treatments-xml/data/03/90/87/039087D7C00C463CFF68FAC9FC0630C4.xml

<document id="B6F0B9F5B2923FB9DC6D240BCA304BE7" ID-DOI="10.11646/zootaxa.3927.1.1" ID-GBIF-Dataset="c9f96009-d3d4-4977-9cd5-6004214d1036" ID-ISSN="1175-5326" ID-Zenodo-Dep="288034" ID-ZooBank="42B56D11-9B18-4FCC-B632-30A46AB0205C" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1461008886271" checkinUser="plazi" docAuthor="Koppka, Jens" docDate="2015" docId="039087D7C00C463CFF68FAC9FC0630C4" docLanguage="en" docName="zt03927p117.pdf" docOrigin="Zootaxa 3927 (1)" docStyle="DocumentStyle:5EBBA59367AD13919D70D935FA04F6A3.14:Zootaxa.2013-.monograph" docStyleId="5EBBA59367AD13919D70D935FA04F6A3" docStyleName="Zootaxa.2013-.monograph" docStyleVersion="14" docTitle="Nanogyra (Nanogyra) nana J. Sowerby 1822, sp. nov." docType="treatment" docVersion="7" lastPageNumber="29" masterDocId="FFA9FFAFC0194620FFFFFFC3FFF33303" masterDocTitle="Revision of the Bivalvia from the Upper Jurassic Reuchenette Formation, Northwest Switzerland — Ostreoidea" masterLastPageNumber="117" masterPageNumber="1" pageNumber="22" updateTime="1698566318747" updateUser="plazi">
<mods:mods id="E1B194DBB46CD2FE9876A88519C90E75" xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo id="F9ED6F16616EDCDD2939AD73829364A3">
<mods:title id="C5FE8982D8BA470CF1461D3136199E7F">Revision of the Bivalvia from the Upper Jurassic Reuchenette Formation, Northwest Switzerland — Ostreoidea</mods:title>
</mods:titleInfo>
<mods:name id="3A2F6409C79D87C5473DA5F84203346D" type="personal">
<mods:role id="75E2A016A740E419C35CDE3282B935E5">
<mods:roleTerm id="B0A172019112E5066C320D230478122F">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="C99E75D63CC5788EB90CA933133D4963">Koppka, Jens</mods:namePart>
</mods:name>
<mods:typeOfResource id="FEAC8881B4DBC7D23F0B3CDB567B9EAF">text</mods:typeOfResource>
<mods:relatedItem id="8FAC86608ECC0B341DF9A33795B5A4DF" type="host">
<mods:titleInfo id="F0BD4301A75C712F90ED4360DA0DDD5F">
<mods:title id="82EFB78A06CA0EE8CDD8809F2785E83A">Zootaxa</mods:title>
</mods:titleInfo>
<mods:part id="404E335B75EA598C46CCC130D205ED96">
<mods:date id="C3076DA27E4942605040D6249F41D522">2015</mods:date>
<mods:detail id="A844DFAA61A651DDEDBDB9BCCDE34791" type="volume">
<mods:number id="2AD3FF188DC32B2893121BC5FE69A90D">3927</mods:number>
</mods:detail>
<mods:detail id="B51360996CB9153B6BCCBEB62C2E72C5" type="issue">
<mods:number id="4A961C94789A4E75A16F12E1CB83EDE5">1</mods:number>
</mods:detail>
<mods:extent id="09200407DEA064526FF643AD3818D8DB" unit="page">
<mods:start id="DB23DDE75F8B5311ED8C5ED8DDC76308">1</mods:start>
<mods:end id="E62E450CE1E0DD6645D0F14CDE351B32">117</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:classification id="F03778430421EBA72819A34F26CBE541">journal article</mods:classification>
<mods:identifier id="A9FA407502297E34CF9A140303F04C1C" type="DOI">10.11646/zootaxa.3927.1.1</mods:identifier>
<mods:identifier id="A7C1EAF8AE23C2F05B6372833F908CBD" type="GBIF-Dataset">c9f96009-d3d4-4977-9cd5-6004214d1036</mods:identifier>
<mods:identifier id="D551387212DF2A1F23921918C25E87C7" type="ISSN">1175-5326</mods:identifier>
<mods:identifier id="5CDB0AF1927DEAFD582EBD4980535F36" type="Zenodo-Dep">288034</mods:identifier>
<mods:identifier id="4C20901AF9A644D57D8F9DCF325DE5F4" type="ZooBank">42B56D11-9B18-4FCC-B632-30A46AB0205C</mods:identifier>
</mods:mods>
<treatment id="039087D7C00C463CFF68FAC9FC0630C4" ID-DOI="http://doi.org/10.5281/zenodo.6102694" ID-GBIF-Taxon="119599515" ID-Zenodo-Dep="6102694" LSID="urn:lsid:plazi:treatment:039087D7C00C463CFF68FAC9FC0630C4" httpUri="http://treatment.plazi.org/id/039087D7C00C463CFF68FAC9FC0630C4" lastPageId="28" lastPageNumber="29" pageId="21" pageNumber="22">
<subSubSection id="C323654AC00C4637FF68FAC9FB9B35EF" lastPageId="23" lastPageNumber="24" pageId="21" pageNumber="22" type="nomenclature">
<paragraph id="8B8636C1C00C4635FF68FAC9FD273626" blockId="21.[151,767,1290,1350]" box="[151,724,1290,1317]" pageId="21" pageNumber="22">
<heading id="D0CE81ADC00C4635FF68FAC9FD273626" bold="true" box="[151,724,1290,1317]" fontSize="11" level="1" pageId="21" pageNumber="22" reason="1">
<taxonomicName id="4C394D42C00C4635FF68FAC9FD273626" authority="J. Sowerby, 1822" authorityName="J. Sowerby" authorityYear="1822" box="[151,724,1290,1317]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="21" pageNumber="22" phylum="Mollusca" rank="species" species="nana" subGenus="Nanogyra">
<emphasis id="B94DEAD3C00C4635FF68FAC9FD273626" bold="true" box="[151,724,1290,1317]" pageId="21" pageNumber="22">
<emphasis id="B94DEAD3C00C4635FF68FAC9FE1B3627" bold="true" box="[151,488,1290,1316]" italics="true" pageId="21" pageNumber="22">Nanogyra (Nanogyra) nana</emphasis>
(J. Sowerby, 1822)
</emphasis>
</taxonomicName>
</heading>
</paragraph>
<paragraph id="8B8636C1C00C4635FF68FAEEFCB036C7" blockId="21.[151,767,1290,1350]" lastBlockId="21.[159,1217,1413,2014]" pageId="21" pageNumber="22">
Fig. 9.3; 
<figureCitation id="13022A44C00C4635FF03FAEEFEBD3645" box="[252,334,1325,1350]" captionStart="FIGURE 10" captionStartId="24.[151,250,1603,1625]" captionTargetBox="[199,1388,1130,1574]" captionTargetId="figure@24.[194,1392,1124,1581]" captionTargetPageId="24" captionText="FIGURE 10. Nanogyra (Nanogyra) nana (J. Sowerby, 1822). 1, LV, interior, VTT 001 - 3214; scale x 2. 2 – 3. Articulated valves, VTT 001 - 3210; scale x 3: 2, LV, RV lateral; 3, LV lateral, posterior xenomorphic; Vâ Tche Tchâ, Banné Marls, Lower Kimmeridgian." httpUri="https://zenodo.org/record/288044/files/figure.png" pageId="21" pageNumber="22">Fig. 10</figureCitation>
; Pl. 5.1–8; Pl. 6.1–4; Pl. 16.2a,b, 4, 6b * 1822 
<taxonomicName id="4C394D42C00C4635FE9DFA46FDF33698" box="[354,512,1413,1435]" class="Bivalvia" family="Gryphaeidae" genus="Gryphaea" higherTaxonomySource="CoL" kingdom="Animalia" order="Ostreida" pageId="21" pageNumber="22" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C00C4635FE9DFA46FDF33698" box="[354,512,1413,1435]" italics="true" pageId="21" pageNumber="22">Gryphaea nana</emphasis>
</taxonomicName>
. sp. nov.—J. Sowerby: p. 114, pl. 383, fig. 3. 1829 
<taxonomicName id="4C394D42C00C4635FE9DFA6DFDF636C6" box="[354,517,1454,1477]" class="Bivalvia" family="Gryphaeidae" genus="Gryphaea" higherTaxonomySource="CoL" kingdom="Animalia" order="Ostreida" pageId="21" pageNumber="22" phylum="Mollusca" rank="species" species="mima" status="sp. nov.">
<emphasis id="B94DEAD3C00C4635FE9DFA6DFDF636C6" box="[354,517,1454,1477]" italics="true" pageId="21" pageNumber="22">Gryphaea mima</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A27E57A8C00C4635FDF3FA6CFDA936C7" box="[524,602,1454,1476]" pageId="21" pageNumber="22" rank="species">sp. nov.</taxonomicNameLabel>
—Phillips: pl. 4, fig. 6.
</paragraph>
<paragraph id="8B8636C1C00C4635FF60FA1AFC403543" blockId="21.[159,1217,1413,2014]" pageId="21" pageNumber="22">
v 1832 
<taxonomicName id="4C394D42C00C4635FE9DFA1AFDC836ED" authority="Bruntrutana" authorityName="Bruntrutana" box="[354,571,1497,1518]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="21" pageNumber="22" phylum="Mollusca" rank="genus">
<emphasis id="B94DEAD3C00C4635FE9DFA1AFDC836ED" box="[354,571,1497,1518]" italics="true" pageId="21" pageNumber="22">Exogyra Bruntrutana</emphasis>
</taxonomicName>
, nob.—Thurmann: p.13 (nomen nudum). 1833b 
<taxonomicName id="4C394D42C00C4635FE9DF9C1FDDA3514" box="[354,553,1537,1559]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="21" pageNumber="22" phylum="Mollusca" rank="species" species="auriformis">
<emphasis id="B94DEAD3C00C4635FE9DF9C1FDDA3514" box="[354,553,1537,1559]" italics="true" pageId="21" pageNumber="22">Exogyra auriformis</emphasis>
</taxonomicName>
nobis—Goldfuss: p. 33, pl. 86, figs. 5a,b. 1833b 
<taxonomicName id="4C394D42C00C4635FE9DF9E8FDF93543" box="[354,522,1578,1600]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="21" pageNumber="22" phylum="Mollusca" rank="species" species="spiralis">
<emphasis id="B94DEAD3C00C4635FE9DF9E8FDF93543" box="[354,522,1578,1600]" italics="true" pageId="21" pageNumber="22">Exogyra spiralis</emphasis>
</taxonomicName>
nobis—Goldfuss: p. 33, pl. 86, figs. 4a,b.
</paragraph>
<paragraph id="8B8636C1C00C4635FF27F997FCF13569" blockId="21.[159,1217,1413,2014]" box="[216,770,1620,1642]" pageId="21" pageNumber="22">
1835 
<taxonomicName id="4C394D42C00C4635FE9DF996FDA23569" authority="Goldf." authorityName="Goldf." box="[354,593,1620,1642]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="21" pageNumber="22" phylum="Mollusca" rank="species" species="spiralis">
<emphasis id="B94DEAD3C00C4635FE9DF996FDF93569" box="[354,522,1620,1642]" italics="true" pageId="21" pageNumber="22">Exogyra spiralis</emphasis>
Goldf.
</taxonomicName>
—Roemer: p. 65.
</paragraph>
<paragraph id="8B8636C1C00C4635FF60F9BDFC5635E5" blockId="21.[159,1217,1413,2014]" pageId="21" pageNumber="22">
n 1839 
<emphasis id="B94DEAD3C00C4635FE9DF9BDFDD13590" box="[354,546,1661,1683]" italics="true" pageId="21" pageNumber="22">
<taxonomicName id="4C394D42C00C4635FE9DF9BDFDFE3590" box="[354,525,1661,1683]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="21" pageNumber="22" phylum="Mollusca" rank="species" species="spiralis">Exogyra spiralis</taxonomicName>
. β
</emphasis>
—Roemer: p. 59, pl. 18, fig. 18 [= 
<taxonomicName id="4C394D42C00C4635FC7AF9BDFB443590" authority="Jourdy, 1924" authorityName="Jourdy" authorityYear="1924" box="[901,1207,1661,1683]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="21" pageNumber="22" phylum="Mollusca" rank="species" species="welschi" subGenus="Palaeogyra">
<emphasis id="B94DEAD3C00C4635FC7AF9BDFC6E3590" box="[901,925,1662,1683]" italics="true" pageId="21" pageNumber="22">N.</emphasis>
(
<emphasis id="B94DEAD3C00C4635FC54F9BDFC4F3590" box="[939,956,1662,1683]" italics="true" pageId="21" pageNumber="22">P.</emphasis>
) 
<emphasis id="B94DEAD3C00C4635FC33F9BEFBEB3590" box="[972,1048,1661,1683]" italics="true" pageId="21" pageNumber="22">welschi</emphasis>
(
<bibRefCitation id="EFA84B30C00C4635FBDAF9BEFB5C3590" author="Jourdy" box="[1061,1199,1661,1683]" pageId="21" pageNumber="22" refString="Jourdy, E. (1924) Histoire naturelle des Exogyres. Annales de Paleontologie, 13, 1 - 104." type="journal article" year="1924">Jourdy, 1924</bibRefCitation>
)
</taxonomicName>
]. 1845 
<taxonomicName id="4C394D42C00C4635FE9DF96BFDD535BF" box="[354,550,1702,1725]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="21" pageNumber="22" phylum="Mollusca" rank="species" species="reniformis">
<emphasis id="B94DEAD3C00C4635FE9DF96BFDD535BF" box="[354,550,1702,1725]" italics="true" pageId="21" pageNumber="22">Exogyra reniformis</emphasis>
</taxonomicName>
. (Goldfuss.)—d’Orbigny: p. 479, pl. 42, fig. 9, 10. 1846 
<taxonomicName id="4C394D42C00C4635FE9DF912FCD535E5" authority="Thurmann-Leymerie" authorityName="Thurmann-Leymerie" box="[354,806,1744,1766]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="21" pageNumber="22" phylum="Mollusca" rank="species" species="bruntrutana">
<emphasis id="B94DEAD3C00C4635FE9DF912FDCA35E5" box="[354,569,1744,1766]" italics="true" pageId="21" pageNumber="22">Exogyra bruntrutana</emphasis>
Thurmann—Leymerie
</taxonomicName>
: pl. 9, fig. 7.
</paragraph>
<paragraph id="8B8636C1C00C4635FF27F93AFC49343B" blockId="21.[159,1217,1413,2014]" pageId="21" pageNumber="22">
1850 
<taxonomicName id="4C394D42C00C4635FE9DF939FD85340C" authority="d'Orb. 1847" authorityName="d'Orb." authorityYear="1847" box="[354,630,1785,1807]" class="Bivalvia" family="Ostreidae" genus="Ostrea" kingdom="Animalia" order="Ostreoida" pageId="21" pageNumber="22" phylum="Mollusca" rank="species" species="spiralis">
<emphasis id="B94DEAD3C00C4635FE9DF939FE0B340C" box="[354,504,1785,1807]" italics="true" pageId="21" pageNumber="22">Ostrea spiralis</emphasis>
d'Orb. 1847
</taxonomicName>
—d’Orbigny: vol. 2, p. 23, no. 380. 1851b 
<taxonomicName id="4C394D42C00C4635FE9DF8E0FDA2343B" authority="Goldf." authorityName="Goldf." box="[354,593,1826,1848]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="21" pageNumber="22" phylum="Mollusca" rank="species" species="spiralis">
<emphasis id="B94DEAD3C00C4635FE9DF8E0FDF9343B" box="[354,522,1826,1848]" italics="true" pageId="21" pageNumber="22">Exogyra spiralis</emphasis>
Goldf.
</taxonomicName>
—Quenstedt: p. 503, pl. 40, fig. 35.
</paragraph>
<paragraph id="8B8636C1C00C4635FF27F88FFBF73488" blockId="21.[159,1217,1413,2014]" pageId="21" pageNumber="22">
1853 
<taxonomicName id="4C394D42C00C4635FE9DF88EFCBF3461" authority="Goldfuss-Morris &amp; Lycett" authorityName="Goldfuss-Morris &amp; Lycett" box="[354,844,1868,1890]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="21" pageNumber="22" phylum="Mollusca" rank="species" species="auriformis">
<emphasis id="B94DEAD3C00C4635FE9DF88EFDDA3461" box="[354,553,1868,1890]" italics="true" pageId="21" pageNumber="22">Exogyra auriformis</emphasis>
Goldfuss—Morris &amp; Lycett
</taxonomicName>
: p. 5, pl. 1, fig. 7. 1857b 
<taxonomicName id="4C394D42C00C4635FE9DF8B5FD1C3488" authority="Goldfuss-Quenstedt" authorityName="Goldfuss-Quenstedt" box="[354,751,1909,1931]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="21" pageNumber="22" phylum="Mollusca" rank="species" species="spiralis">
<emphasis id="B94DEAD3C00C4635FE9DF8B5FDF93488" box="[354,522,1909,1931]" italics="true" pageId="21" pageNumber="22">Exogyra spiralis</emphasis>
Goldfuss—Quenstedt
</taxonomicName>
: p. 752, pl. 91, figs. 31, 32.
</paragraph>
<paragraph id="8B8636C1C00C4635FF60F85CFC4534B7" blockId="21.[159,1217,1413,2014]" box="[159,950,1950,1973]" pageId="21" pageNumber="22">
<date id="FF871001C00C4635FF60F85CFEF934B7" box="[159,266,1950,1972]" pageId="21" pageNumber="22" value="1859-05">v 1859</date>
<taxonomicName id="4C394D42C00C4635FE9DF85CFD4C34B7" authority="Bruntrutana Th." authorityName="Bruntrutana Th." box="[354,703,1950,1973]" class="Bivalvia" family="Ostreidae" genus="Ostrea" kingdom="Animalia" order="Ostreoida" pageId="21" pageNumber="22" phylum="Mollusca" rank="subGenus" subGenus="Exogyra">
<emphasis id="B94DEAD3C00C4635FE9DF85CFE5534B7" box="[354,422,1951,1972]" italics="true" pageId="21" pageNumber="22">Ostrea</emphasis>
(
<emphasis id="B94DEAD3C00C4635FE4BF863FDF934B6" box="[436,522,1952,1973]" italics="true" pageId="21" pageNumber="22">Exogyra</emphasis>
) 
<emphasis id="B94DEAD3C00C4635FDE6F863FD6534B6" box="[537,662,1952,1973]" italics="true" pageId="21" pageNumber="22">Bruntrutana</emphasis>
Th.
</taxonomicName>
sp.—Contejean: p. 322.
</paragraph>
<paragraph id="8B8636C1C00C4635FF27F80BFC1234DD" blockId="21.[159,1217,1413,2014]" box="[216,993,1992,2014]" pageId="21" pageNumber="22">
1859 
<taxonomicName id="4C394D42C00C4635FE9DF80AFDB734DD" authority="Gldf." authorityName="Gldf." box="[354,580,1992,2014]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="21" pageNumber="22" phylum="Mollusca" rank="species" species="spiralis">
<emphasis id="B94DEAD3C00C4635FE9DF80AFDF934DD" box="[354,522,1992,2014]" italics="true" pageId="21" pageNumber="22">Exogyra spiralis</emphasis>
Gldf.
</taxonomicName>
—Trautschold: p. 115, pl. 2, figs. 12–13.
</paragraph>
<paragraph id="8B8636C1C00F4636FF27FF63FC8333B5" blockId="22.[159,1386,160,1990]" box="[216,880,160,182]" pageId="22" pageNumber="23">
1861 
<taxonomicName id="4C394D42C00F4636FE9DFF62FDCF33B5" authority="d'Orb." authorityName="d'Orb." box="[354,572,160,182]" class="Bivalvia" family="Ostreidae" genus="Ostrea" kingdom="Animalia" order="Ostreoida" pageId="22" pageNumber="23" phylum="Mollusca" rank="species" species="spiralis">
<emphasis id="B94DEAD3C00F4636FE9DFF62FE0B33B5" box="[354,504,160,182]" italics="true" pageId="22" pageNumber="23">Ostrea spiralis</emphasis>
d'Orb.
</taxonomicName>
—Thurmann &amp; Etallon: p. 53.
</paragraph>
<paragraph id="8B8636C1C00F4636FF60FF09FC003258" blockId="22.[159,1386,160,1990]" pageId="22" pageNumber="23">
<date id="FF871001C00F4636FF60FF09FEF933DC" box="[159,266,201,223]" pageId="22" pageNumber="23" value="1862-05">v 1862</date>
<taxonomicName id="4C394D42C00F4636FE9DFF09FDB333DC" authority="Ctj." authorityName="Ctj." box="[354,576,201,223]" class="Bivalvia" family="Ostreidae" genus="Ostrea" kingdom="Animalia" order="Ostreoida" pageId="22" pageNumber="23" phylum="Mollusca" rank="species" species="auriformis">
<emphasis id="B94DEAD3C00F4636FE9DFF09FDE433DC" box="[354,535,201,223]" italics="true" pageId="22" pageNumber="23">Ostrea auriformis</emphasis>
Ctj.
</taxonomicName>
—Thurmann &amp; Etallon: p. 273, pl. 38, fig. 9. 1862 
<taxonomicName id="4C394D42C00F4636FE9DFF30FDCF320B" authority="d'Orb." authorityName="d'Orb." box="[354,572,242,264]" class="Bivalvia" family="Ostreidae" genus="Ostrea" kingdom="Animalia" order="Ostreoida" pageId="22" pageNumber="23" phylum="Mollusca" rank="species" species="spiralis">
<emphasis id="B94DEAD3C00F4636FE9DFF30FE0B320B" box="[354,504,242,264]" italics="true" pageId="22" pageNumber="23">Ostrea spiralis</emphasis>
d'Orb.
</taxonomicName>
—Thurmann &amp; Etallon: p. 274, pl. 39, fig. 3. n 1862 
<taxonomicName id="4C394D42C00F4636FE9DFEDFFDF33231" authority="Et." authorityName="Et." box="[354,512,284,306]" class="Bivalvia" family="Ostreidae" genus="Ostrea" kingdom="Animalia" order="Ostreoida" pageId="22" pageNumber="23" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C00F4636FE9DFEDFFE2C3231" box="[354,479,284,306]" italics="true" pageId="22" pageNumber="23">Ostrea nana</emphasis>
Et.
</taxonomicName>
—Thurmann &amp; Etallon: p. 275, pl. 39, fig. 7 (= 
<taxonomicName id="4C394D42C00F4636FC19FEDEFB9A3231" box="[998,1129,285,306]" class="Bivalvia" family="Gryphaeidae" genus="Praeexogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="22" pageNumber="23" phylum="Mollusca" rank="genus">
<emphasis id="B94DEAD3C00F4636FC19FEDEFB9A3231" box="[998,1129,285,306]" italics="true" pageId="22" pageNumber="23">Praeexogyra</emphasis>
</taxonomicName>
sp.).? 1862 
<taxonomicName id="4C394D42C00F4636FE9DFE85FDD93258" authority="Et." authorityName="Et." box="[354,554,325,347]" class="Bivalvia" family="Ostreidae" genus="Ostrea" kingdom="Animalia" order="Ostreoida" pageId="22" pageNumber="23" phylum="Mollusca" rank="species" species="quadrata">
<emphasis id="B94DEAD3C00F4636FE9DFE85FDFA3258" box="[354,521,325,347]" italics="true" pageId="22" pageNumber="23">Ostrea quadrata</emphasis>
Et.
</taxonomicName>
—Thurmann &amp; Etallon: p. 277, pl. 39, fig. 8.
</paragraph>
<paragraph id="8B8636C1C00F4636FF27FEADFC1E3287" blockId="22.[159,1386,160,1990]" box="[216,1005,366,388]" pageId="22" pageNumber="23">
1862 
<taxonomicName id="4C394D42C00F4636FE9DFEACFDD03287" authority="Et." authorityName="Et." box="[354,547,366,388]" class="Bivalvia" family="Ostreidae" genus="Ostrea" kingdom="Animalia" order="Ostreoida" pageId="22" pageNumber="23" phylum="Mollusca" rank="species" species="subnana">
<emphasis id="B94DEAD3C00F4636FE9DFEACFDF13287" box="[354,514,366,388]" italics="true" pageId="22" pageNumber="23">Ostrea subnana</emphasis>
Et.
</taxonomicName>
—Thurmann &amp; Etallon: p. 276, pl. 39, fig. 4.
</paragraph>
<paragraph id="8B8636C1C00F4636FF27FE5BFCE332D4" blockId="22.[159,1386,160,1990]" pageId="22" pageNumber="23">
1863 
<taxonomicName id="4C394D42C00F4636FE9DFE5AFD5932AD" authority="Thurmann" authorityName="Thurmann" box="[354,682,408,430]" class="Bivalvia" family="Ostreidae" genus="Ostrea" kingdom="Animalia" order="Ostreoida" pageId="22" pageNumber="23" phylum="Mollusca" rank="species" species="bruntrutana">
<emphasis id="B94DEAD3C00F4636FE9DFE5AFDD432AD" box="[354,551,408,430]" italics="true" pageId="22" pageNumber="23">Ostrea bruntrutana</emphasis>
(Thurmann)
</taxonomicName>
.—Dollfus: p. 87, pl. 27, figs. 
<date id="FF871001C00F4636FC27FE5BFEF932D4" pageId="22" pageNumber="23" value="1864-09-07">7–9. 1864</date>
<taxonomicName id="4C394D42C00F4636FE9DFE01FDA232D4" authority="Goldf." authorityName="Goldf." box="[354,593,449,471]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="22" pageNumber="23" phylum="Mollusca" rank="species" species="spiralis">
<emphasis id="B94DEAD3C00F4636FE9DFE01FDF932D4" box="[354,522,449,471]" italics="true" pageId="22" pageNumber="23">Exogyra spiralis</emphasis>
Goldf.
</taxonomicName>
—Credner: p. 229.
</paragraph>
<paragraph id="8B8636C1C00F4636FF27FE29FCA93129" blockId="22.[159,1386,160,1990]" pageId="22" pageNumber="23">
1866 
<taxonomicName id="4C394D42C00F4636FE9DFE28FD503103" authority="Thurmann." authorityName="Thurmann." box="[354,675,490,512]" class="Bivalvia" family="Ostreidae" genus="Ostrea" kingdom="Animalia" order="Ostreoida" pageId="22" pageNumber="23" phylum="Mollusca" rank="species" species="bruntrutana">
<emphasis id="B94DEAD3C00F4636FE9DFE28FDD53103" box="[354,550,490,512]" italics="true" pageId="22" pageNumber="23">Ostrea bruntrutana</emphasis>
, Thurmann.
</taxonomicName>
—de Loriol in de Loriol &amp; Pellat: p. 113 (Portlandian records). 1871 
<taxonomicName id="4C394D42C00F4636FE9DFDD6FCF93129" authority="Voltz-Struckmann" authorityName="Voltz-Struckmann" box="[354,778,532,554]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="22" pageNumber="23" phylum="Mollusca" rank="species" species="bruntrutana">
<emphasis id="B94DEAD3C00F4636FE9DFDD6FDCB3129" box="[354,568,532,554]" italics="true" pageId="22" pageNumber="23">Exogyra bruntrutana</emphasis>
Voltz—Struckmann
</taxonomicName>
: p. 217.
</paragraph>
<paragraph id="8B8636C1C00F4636FF27FDFEFCAA31A5" blockId="22.[159,1386,160,1990]" pageId="22" pageNumber="23">
1872 
<taxonomicName id="4C394D42C00F4636FE9DFDFDFD883150" authority="Bruntrutana Thurm." authorityName="Bruntrutana Thurm." box="[354,635,573,595]" class="Bivalvia" family="Ostreidae" genus="Ostrea" kingdom="Animalia" order="Ostreoida" pageId="22" pageNumber="23" phylum="Mollusca" rank="genus">
<emphasis id="B94DEAD3C00F4636FE9DFDFDFDDA3150" box="[354,553,574,595]" italics="true" pageId="22" pageNumber="23">Ostrea Bruntrutana</emphasis>
Thurm.
</taxonomicName>
—de Loriol, Royer &amp; Tombeck: p. 399, pl. 24, figs. 
<date id="FF871001C00F4636FB73FDFEFEF9317F" pageId="22" pageNumber="23" value="1872-07-18">7–18. 1872</date>
<taxonomicName id="4C394D42C00F4636FE9DFDA4FDFF317F" box="[354,524,614,636]" class="Bivalvia" family="Ostreidae" genus="Ostrea" kingdom="Animalia" order="Ostreoida" pageId="22" pageNumber="23" phylum="Mollusca" rank="species" species="dubiensis">
<emphasis id="B94DEAD3C00F4636FE9DFDA4FDFF317F" box="[354,524,614,636]" italics="true" pageId="22" pageNumber="23">Ostrea dubiensis</emphasis>
</taxonomicName>
Contejean—de Loriol, Royer &amp; Tombeck: p. 407, pl. 24, figs. 19–25. 1877 
<taxonomicName id="4C394D42C00F4636FE9DFD52FDD431A5" authority="Sow." authorityName="Sow." box="[354,551,656,678]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="22" pageNumber="23" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C00F4636FE9DFD52FE0331A5" box="[354,496,657,678]" italics="true" pageId="22" pageNumber="23">Exogyra nana</emphasis>
Sow.
</taxonomicName>
—Blake &amp; Hudleston: p. 265.
</paragraph>
<paragraph id="8B8636C1C00F4636FF27FD7AFC8631CC" blockId="22.[159,1386,160,1990]" box="[216,885,697,719]" pageId="22" pageNumber="23">
1877 
<taxonomicName id="4C394D42C00F4636FE9DFD79FDB731CC" authority="Gldf." authorityName="Gldf." box="[354,580,697,719]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="22" pageNumber="23" phylum="Mollusca" rank="species" species="spiralis">
<emphasis id="B94DEAD3C00F4636FE9DFD79FDF931CC" box="[354,522,697,719]" italics="true" pageId="22" pageNumber="23">Exogyra spiralis</emphasis>
Gldf.
</taxonomicName>
—Blake &amp; Hudleston: p. 263.
</paragraph>
<paragraph id="8B8636C1C00F4636FF27FD21FC1C3077" blockId="22.[159,1386,160,1990]" pageId="22" pageNumber="23">
1878 
<taxonomicName id="4C394D42C00F4636FE9DFD20FDB731FB" authority="Gldf." authorityName="Gldf." box="[354,580,738,760]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="22" pageNumber="23" phylum="Mollusca" rank="species" species="spiralis">
<emphasis id="B94DEAD3C00F4636FE9DFD20FDF931FB" box="[354,522,738,760]" italics="true" pageId="22" pageNumber="23">Exogyra spiralis</emphasis>
Gldf.
</taxonomicName>
—Trautschold: p. 254, 259, 262, pl. 3, figs. 4a–f. 1892 
<taxonomicName id="4C394D42C00F4636FE9DFCCFFD223021" authority="Etallon." authorityName="Etallon." box="[354,721,780,802]" class="Bivalvia" family="Ostreidae" genus="Ostrea" kingdom="Animalia" order="Ostreoida" pageId="22" pageNumber="23" phylum="Mollusca" rank="species" species="quadrata" subGenus="Exogyra">
<emphasis id="B94DEAD3C00F4636FE9DFCCFFE553022" box="[354,422,780,801]" italics="true" pageId="22" pageNumber="23">Ostrea</emphasis>
(
<emphasis id="B94DEAD3C00F4636FE4BFCCEFDF93021" box="[436,522,781,802]" italics="true" pageId="22" pageNumber="23">Exogyra</emphasis>
) 
<emphasis id="B94DEAD3C00F4636FDE6FCCFFD863021" box="[537,629,780,802]" italics="true" pageId="22" pageNumber="23">quadrata</emphasis>
, Etallon.
</taxonomicName>
—de Loriol: p. 347, pl. 36, figs. 9–11.? 1892 
<taxonomicName id="4C394D42C00F4636FE9DFCF5FD563048" box="[354,677,821,843]" class="Bivalvia" family="Ostreidae" genus="Ostrea" kingdom="Animalia" order="Ostreoida" pageId="22" pageNumber="23" phylum="Mollusca" rank="species" species="subreniformis" status="sp. nov." subGenus="Exogyra">
<emphasis id="B94DEAD3C00F4636FE9DFCF5FE553048" box="[354,422,822,843]" italics="true" pageId="22" pageNumber="23">Ostrea</emphasis>
(
<emphasis id="B94DEAD3C00F4636FE4BFCF5FDF93048" box="[436,522,822,843]" italics="true" pageId="22" pageNumber="23">Exogyra</emphasis>
) 
<emphasis id="B94DEAD3C00F4636FDE6FCF6FD563048" box="[537,677,821,843]" italics="true" pageId="22" pageNumber="23">subreniformis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A27E57A8C00F4636FD54FCF5FD2C3048" box="[683,735,821,843]" pageId="22" pageNumber="23" rank="species">n. sp.</taxonomicNameLabel>
—de Loriol: p. 347, pl. 36, figs. 
<date id="FF871001C00F4636FBD5FCF6FEF93077" pageId="22" pageNumber="23" value="1893-12-14">12–14. 1893</date>
<taxonomicName id="4C394D42C00F4636FE9DFCA3FD7F3077" authority="Bruntrutana Thurm." authorityName="Bruntrutana Thurm." box="[354,652,862,885]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="22" pageNumber="23" phylum="Mollusca" rank="genus">
<emphasis id="B94DEAD3C00F4636FE9DFCA3FDC83076" box="[354,571,864,885]" italics="true" pageId="22" pageNumber="23">Exogyra Bruntrutana</emphasis>
Thurm.
</taxonomicName>
—Fiebelkorn: p. 397, pl. 14, fig. 4.
</paragraph>
<paragraph id="8B8636C1C00F4636FF27FC4BFC0030F3" blockId="22.[159,1386,160,1990]" pageId="22" pageNumber="23">
1893 
<taxonomicName id="4C394D42C00F4636FE9DFC4AFDD4309D" box="[354,551,904,926]" class="Bivalvia" family="Ostreidae" genus="Ostrea" kingdom="Animalia" order="Ostreoida" pageId="22" pageNumber="23" phylum="Mollusca" rank="species" species="bruntrutana">
<emphasis id="B94DEAD3C00F4636FE9DFC4AFDD4309D" box="[354,551,904,926]" italics="true" pageId="22" pageNumber="23">Ostrea bruntrutana</emphasis>
</taxonomicName>
Thurmann—É. Greppin: p. 90, pl. 6, figs. 12, 14, 20. 1893 
<taxonomicName id="4C394D42C00F4636FE9DFC71FD8530C4" box="[354,630,945,967]" class="Bivalvia" family="Ostreidae" genus="Ostrea" kingdom="Animalia" order="Ostreoida" pageId="22" pageNumber="23" phylum="Mollusca" rank="species" species="quadrata" subGenus="Exogyra">
<emphasis id="B94DEAD3C00F4636FE9DFC71FE5530C4" box="[354,422,946,967]" italics="true" pageId="22" pageNumber="23">Ostrea</emphasis>
(
<emphasis id="B94DEAD3C00F4636FE4BFC71FDF930C4" box="[436,522,946,967]" italics="true" pageId="22" pageNumber="23">Exogyra</emphasis>
) 
<emphasis id="B94DEAD3C00F4636FDE6FC72FD8530C4" box="[537,630,945,967]" italics="true" pageId="22" pageNumber="23">quadrata</emphasis>
</taxonomicName>
Etallon— É. Greppin: p. 91, pl. 6, figs. 9, 11, 13. 1897 
<taxonomicName id="4C394D42C00F4636FE9DFC18FD7930F3" authority="Thurm." authorityName="Thurm." box="[354,650,986,1008]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="22" pageNumber="23" phylum="Mollusca" rank="species" species="bruntrutana">
<emphasis id="B94DEAD3C00F4636FE9DFC18FDCA30F3" box="[354,569,986,1008]" italics="true" pageId="22" pageNumber="23">Exogyra bruntrutana</emphasis>
Thurm.
</taxonomicName>
—Futterer: p. 582, pl. 19, fig. 1, 1a.
</paragraph>
<paragraph id="8B8636C1C00F4636FF27FBC7FC063740" blockId="22.[159,1386,160,1990]" pageId="22" pageNumber="23">
1900 
<taxonomicName id="4C394D42C00F4636FE9DFBC7FD603719" box="[354,659,1028,1050]" class="Bivalvia" family="Ostreidae" genus="Ostrea" kingdom="Animalia" order="Ostreoida" pageId="22" pageNumber="23" phylum="Mollusca" rank="species" species="bruntrutana" subGenus="Exogyra">
<emphasis id="B94DEAD3C00F4636FE9DFBC7FE55371A" box="[354,422,1028,1049]" italics="true" pageId="22" pageNumber="23">Ostrea</emphasis>
(
<emphasis id="B94DEAD3C00F4636FE4BFBC6FDF93719" box="[436,522,1029,1050]" italics="true" pageId="22" pageNumber="23">Exogyra</emphasis>
) 
<emphasis id="B94DEAD3C00F4636FDE6FBC7FD603719" box="[537,659,1028,1050]" italics="true" pageId="22" pageNumber="23">bruntrutana</emphasis>
</taxonomicName>
Thurmann—de Loriol: p. 135, pl. 17, fig. 
<date id="FF871001C00F4636FBBDFBC7FEF93740" pageId="22" pageNumber="23" value="1900-08-05">5–8. 1900</date>
<taxonomicName id="4C394D42C00F4636FE9DFBEDFD783740" authority="Thurm." authorityName="Thurm." box="[354,651,1069,1091]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="22" pageNumber="23" phylum="Mollusca" rank="species" species="bruntrutana">
<emphasis id="B94DEAD3C00F4636FE9DFBEDFDCA3740" box="[354,569,1069,1091]" italics="true" pageId="22" pageNumber="23">Exogyra bruntrutana</emphasis>
Thurm.
</taxonomicName>
—Müller: p. 532, pl. 18, fig. 11, 12.
</paragraph>
<paragraph id="8B8636C1C00F4636FF60FB95FCF43795" blockId="22.[159,1386,160,1990]" pageId="22" pageNumber="23">
? 1907 
<taxonomicName id="4C394D42C00F4636FE9DFB94FD7B376F" authority="Sow." authorityName="Sow." box="[354,648,1110,1133]" class="Bivalvia" family="Ostreidae" genus="Ostrea" kingdom="Animalia" order="Ostreoida" pageId="22" pageNumber="23" phylum="Mollusca" rank="species" species="nana" subGenus="Exogyra">
<emphasis id="B94DEAD3C00F4636FE9DFB94FE55376F" box="[354,422,1111,1132]" italics="true" pageId="22" pageNumber="23">Ostrea</emphasis>
(
<emphasis id="B94DEAD3C00F4636FE4BFB9BFDF9376E" box="[436,522,1112,1133]" italics="true" pageId="22" pageNumber="23">Exogyra</emphasis>
) 
<emphasis id="B94DEAD3C00F4636FDE6FB9BFDB8376E" box="[537,587,1112,1133]" italics="true" pageId="22" pageNumber="23">nana</emphasis>
, Sow.
</taxonomicName>
—Thiéry &amp; Cossmann: p. 29, pl. 3, fig. 22–23. 1916 
<taxonomicName id="4C394D42C00F4636FE9DFB42FDDB3795" authority="Sow." authorityName="Sow." box="[354,552,1152,1174]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="22" pageNumber="23" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C00F4636FE9DFB42FE033795" box="[354,496,1153,1174]" italics="true" pageId="22" pageNumber="23">Exogyra nana</emphasis>
Sow.
</taxonomicName>
—Douvillé: p. 57, 77.
</paragraph>
<paragraph id="8B8636C1C00F4636FF27FB6AFC1F37BC" blockId="22.[159,1386,160,1990]" box="[216,1004,1193,1215]" pageId="22" pageNumber="23">
1921 
<taxonomicName id="4C394D42C00F4636FE9DFB69FCE637BC" authority="Thurmann-Newton" authorityName="Thurmann-Newton" box="[354,789,1193,1215]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="22" pageNumber="23" phylum="Mollusca" rank="species" species="bruntrutana">
<emphasis id="B94DEAD3C00F4636FE9DFB69FDCA37BC" box="[354,569,1193,1215]" italics="true" pageId="22" pageNumber="23">Exogyra bruntrutana</emphasis>
Thurmann—Newton
</taxonomicName>
: p. 394, pl. 11, fig. 6.
</paragraph>
<paragraph id="8B8636C1C00F4636FF27FB11FC0437EB" blockId="22.[159,1386,160,1990]" box="[216,1015,1234,1256]" pageId="22" pageNumber="23">
1923 
<taxonomicName id="4C394D42C00F4636FE9DFB10FCD537EB" authority="Bruntrutana Thurmann-Lewinski" authorityName="Bruntrutana Thurmann-Lewinski" box="[354,806,1234,1256]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="22" pageNumber="23" phylum="Mollusca" rank="genus">
<emphasis id="B94DEAD3C00F4636FE9DFB10FDC837EB" box="[354,571,1235,1256]" italics="true" pageId="22" pageNumber="23">Exogyra Bruntrutana</emphasis>
Thurmann—Lewinski
</taxonomicName>
: p. 65, pl. 3, fig. 4,5.
</paragraph>
<paragraph id="8B8636C1C00F4636FF27FB3FFA993611" blockId="22.[159,1386,160,1990]" box="[216,1386,1276,1298]" pageId="22" pageNumber="23">
1924 
<taxonomicName id="4C394D42C00F4636FE9DFB3EFDC53611" authority="Sow." authorityName="Sow." box="[354,566,1276,1298]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="22" pageNumber="23" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C00F4636FE9DFB3EFE023611" box="[354,497,1277,1298]" italics="true" pageId="22" pageNumber="23">Exogyra nana</emphasis>
(Sow.)
</taxonomicName>
—Jourdy: p. 58, pl. 2, fig. C, P, R, pl. 5, fig. 2–4, 7, 9–11, pl. 6, fig. 1–3, 5, pl. 7,
</paragraph>
<paragraph id="8B8636C1C00F4636FE9DFAD9FD5D3633" blockId="22.[159,1386,160,1990]" box="[354,686,1306,1328]" pageId="22" pageNumber="23">fig. 6, pl. 8, fig. 7, 8, pl. 9, fig. 1.</paragraph>
<paragraph id="8B8636C1C00F4636FF27FA87FC0F3680" blockId="22.[159,1386,160,1990]" pageId="22" pageNumber="23">
1924 
<taxonomicName id="4C394D42C00F4636FE9DFA86FDD03659" box="[354,547,1348,1370]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="22" pageNumber="23" phylum="Mollusca" rank="species" species="bathonica">
<emphasis id="B94DEAD3C00F4636FE9DFA86FDD03659" box="[354,547,1348,1370]" italics="true" pageId="22" pageNumber="23">Exogyra bathonica</emphasis>
</taxonomicName>
d´Orb.—Jourdy: p. 54, pl. 2, fig. B, pl. 5, figs. 5a,b, 12 e, f, pl. 7, fig. 5 a–d. 1926 
<taxonomicName id="4C394D42C00F4636FE9DFAADFD003680" authority="Goldfuss-Tutcher" authorityName="Goldfuss-Tutcher" box="[354,755,1389,1411]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="22" pageNumber="23" phylum="Mollusca" rank="species" species="spiralis">
<emphasis id="B94DEAD3C00F4636FE9DFAADFE4B3680" box="[354,440,1390,1411]" italics="true" pageId="22" pageNumber="23">Exogyra</emphasis>
cf. 
<emphasis id="B94DEAD3C00F4636FE21FAAEFDD93680" box="[478,554,1389,1411]" italics="true" pageId="22" pageNumber="23">spiralis</emphasis>
Goldfuss—Tutcher
</taxonomicName>
in Buckman: p. 32, fig. 3.
</paragraph>
<paragraph id="8B8636C1C00F4636FF27FA55FC2D36AF" blockId="22.[159,1386,160,1990]" box="[216,990,1430,1453]" pageId="22" pageNumber="23">
1927 
<taxonomicName id="4C394D42C00F4636FE9DFA5BFD0A36AF" authority="Thurmann-Reed" authorityName="Thurmann-Reed" box="[354,761,1430,1453]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="22" pageNumber="23" phylum="Mollusca" rank="species" species="bruntrutana">
<emphasis id="B94DEAD3C00F4636FE9DFA5BFDCA36AF" box="[354,569,1430,1453]" italics="true" pageId="22" pageNumber="23">Exogyra bruntrutana</emphasis>
Thurmann—Reed
</taxonomicName>
: p. 267, pl. 19, fig. 24.
</paragraph>
<paragraph id="8B8636C1C00F4636FF27FA03FC6736D5" blockId="22.[159,1386,160,1990]" box="[216,916,1472,1494]" pageId="22" pageNumber="23">
1927 
<taxonomicName id="4C394D42C00F4636FE9DFA02FDD136D5" box="[354,546,1473,1494]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="22" pageNumber="23" phylum="Mollusca" rank="species" species="eminensis" status="sp. nov.">
<emphasis id="B94DEAD3C00F4636FE9DFA02FDD136D5" box="[354,546,1473,1494]" italics="true" pageId="22" pageNumber="23">Exogyra eminensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A27E57A8C00F4636FDD7FA02FDAF36D5" box="[552,604,1472,1494]" pageId="22" pageNumber="23" rank="species">n. sp.</taxonomicNameLabel>
—Reed: p. 267, pl. 19, fig. 26.
</paragraph>
<paragraph id="8B8636C1C00F4636FF27FA2AFCC236FC" blockId="22.[159,1386,160,1990]" box="[216,817,1513,1535]" pageId="22" pageNumber="23">
1928 
<taxonomicName id="4C394D42C00F4636FE9DFA29FDDB36FC" authority="Sow." authorityName="Sow." box="[354,552,1513,1535]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="22" pageNumber="23" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C00F4636FE9DFA29FE0336FC" box="[354,496,1514,1535]" italics="true" pageId="22" pageNumber="23">Exogyra nana</emphasis>
Sow.
</taxonomicName>
—Arkell: pl. 21, fig. b.11.
</paragraph>
<paragraph id="8B8636C1C00F4636FF27F9D1FC55352B" blockId="22.[159,1386,160,1990]" box="[216,934,1554,1576]" pageId="22" pageNumber="23">
1929 
<taxonomicName id="4C394D42C00F4636FE9DF9D0FD95352B" authority="Sow. 1822" authorityName="Sow." authorityYear="1822" box="[354,614,1554,1576]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="22" pageNumber="23" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C00F4636FE9DF9D0FE03352B" box="[354,496,1555,1576]" italics="true" pageId="22" pageNumber="23">Exogyra nana</emphasis>
, Sow. 1822
</taxonomicName>
—Weir: p. 20, pl. 1, fig. 11–13.
</paragraph>
<paragraph id="8B8636C1C00F4636FF27F9FFFCD33551" blockId="22.[159,1386,160,1990]" box="[216,800,1596,1618]" pageId="22" pageNumber="23">
1929 
<taxonomicName id="4C394D42C00F4636FE9DF9FEFD783551" authority="Thurm." authorityName="Thurm." box="[354,651,1596,1618]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="22" pageNumber="23" phylum="Mollusca" rank="species" species="bruntrutana">
<emphasis id="B94DEAD3C00F4636FE9DF9FEFDCA3551" box="[354,569,1596,1618]" italics="true" pageId="22" pageNumber="23">Exogyra bruntrutana</emphasis>
Thurm.
</taxonomicName>
—Cox: p. 151.
</paragraph>
<paragraph id="8B8636C1C00F4636FF27F9A6FC7C3578" blockId="22.[159,1386,160,1990]" box="[216,911,1637,1659]" pageId="22" pageNumber="23">
1930 
<taxonomicName id="4C394D42C00F4636FE9DF9A5FDC63578" authority="Sow." authorityName="Sow." box="[354,565,1637,1659]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="22" pageNumber="23" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C00F4636FE9DF9A5FE033578" box="[354,496,1638,1659]" italics="true" pageId="22" pageNumber="23">Exogyra nana</emphasis>
(Sow.)
</taxonomicName>
—Weir: p. 85, pl. 10, figs. 27–29.
</paragraph>
<paragraph id="8B8636C1C00F4636FF27F94DFC5A35F4" blockId="22.[159,1386,160,1990]" pageId="22" pageNumber="23">
1930 
<taxonomicName id="4C394D42C00F4636FE9DF953FD8135A7" authority="Th." authorityName="Th." box="[354,626,1678,1701]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="22" pageNumber="23" phylum="Mollusca" rank="species" species="bruntrutana">
<emphasis id="B94DEAD3C00F4636FE9DF953FDCA35A7" box="[354,569,1678,1701]" italics="true" pageId="22" pageNumber="23">Exogyra bruntrutana</emphasis>
(Th.)
</taxonomicName>
de Loriol—Basse: p. 120, pl. 4, fig. 11a–c. 1931 
<taxonomicName id="4C394D42C00F4636FE9DF97AFDE035CD" authority="Vinassai" authorityName="Vinassai" box="[354,531,1721,1742]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="22" pageNumber="23" phylum="Mollusca" rank="genus">
<emphasis id="B94DEAD3C00F4636FE9DF97AFDE035CD" box="[354,531,1721,1742]" italics="true" pageId="22" pageNumber="23">Exogyra Vinassai</emphasis>
</taxonomicName>
n. sp.—Diaz–Romero: p. 35, pl. 2, figs. 17–20, pl. 3, figs. 
<date id="FF871001C00F4636FB97F97BFEF935F4" pageId="22" pageNumber="23" value="1931-02-01">1–2. 1931</date>
<taxonomicName id="4C394D42C00F4636FE9DF921FD4335F4" authority="Thurmann." authorityName="Thurmann." box="[354,688,1761,1783]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="22" pageNumber="23" phylum="Mollusca" rank="species" species="bruntrutana">
<emphasis id="B94DEAD3C00F4636FE9DF921FDCA35F4" box="[354,569,1761,1783]" italics="true" pageId="22" pageNumber="23">Exogyra bruntrutana</emphasis>
Thurmann.
</taxonomicName>
—Dreyfuss: p. 297, 306.
</paragraph>
<paragraph id="8B8636C1C00F4636FF27F8C9FC1E3449" blockId="22.[159,1386,160,1990]" pageId="22" pageNumber="23">
1932 
<taxonomicName id="4C394D42C00F4636FE9DF8C8FDC53423" authority="Sow." authorityName="Sow." box="[354,566,1802,1824]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="22" pageNumber="23" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C00F4636FE9DF8C8FE033423" box="[354,496,1803,1824]" italics="true" pageId="22" pageNumber="23">Exogyra nana</emphasis>
(Sow.)
</taxonomicName>
—Arkell: p. 175, pl. 17, figs. 2–21, pl. 18, figs. 3–11, pl. 19, figs. 4, 4a, Fig. 48. n 1932 
<taxonomicName id="4C394D42C00F4636FE9DF8F6FDA23449" authority="Sowerby" authorityName="Sowerby" box="[354,593,1844,1866]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="22" pageNumber="23" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C00F4636FE9DF8F6FE033449" box="[354,496,1845,1866]" italics="true" pageId="22" pageNumber="23">Exogyra nana</emphasis>
Sowerby
</taxonomicName>
sp.—Corroy: p. 194, pl. 27, figs. 12–13.
</paragraph>
<paragraph id="8B8636C1C00F4636FF27F89EFC1A3470" blockId="22.[159,1386,160,1990]" box="[216,1001,1885,1907]" pageId="22" pageNumber="23">
1933 
<taxonomicName id="4C394D42C00F4636FE9DF89DFDC43470" authority="Sow." authorityName="Sow." box="[354,567,1885,1907]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="22" pageNumber="23" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C00F4636FE9DF89DFE033470" box="[354,496,1886,1907]" italics="true" pageId="22" pageNumber="23">Exogyra nana</emphasis>
(Sow.)
</taxonomicName>
—Oria: p. 40, pl. 4, fig. 10, Text– 
<figureCitation id="13022A44C00F4636FC6EF89EFC163470" box="[913,997,1885,1907]" captionStart-0="FIGURE 8" captionStart-1="FIGURE 9" captionStartId-0="19.[151,250,1805,1827]" captionStartId-1="24.[151,250,929,951]" captionTargetBox-0="[160,1427,747,1777]" captionTargetBox-1="[174,1413,564,904]" captionTargetId-0="figure@19.[151,1435,735,1783]" captionTargetId-1="figure@24.[169,1418,555,908]" captionTargetPageId-0="19" captionTargetPageId-1="24" captionText-0="FIGURE 8. Circunula n. gen. cotyledon (Contejean, 1859). Group of juvenile LVs attached interior, of a bivalved Trichites (CGN-ALO 009 - 1, largest oyster specimens labelled from I-IV, see also Fig. 6), close to its ventral margin; Alombre aux Vaches (Canton Jura), Lower Kimmeridgian, Banné Marls. Scale x 1.5." captionText-1="FIGURE 9. Comparison of juvenile RVs of Gryphaea, Nanogyra, and Actinostreon. 1. Gryphaea ferruginea Terquem, 1855, Aalenian, Poland (redrawn after Pugaczewska 1971 b, fig. 1). 2. Nanogyra (Palaeogyra) virgula (Deshayes, 1831), Upper Kimmeridgian, Switzerland. 3. Nanogyra (N.) nana (J. Sowerby, 1822), Lower Kimmeridgian, Switzerland. 4. Actinostreon marshii (J. Sowerby, 1814), Callovian, Lithuania." httpUri-0="https://zenodo.org/record/288042/files/figure.png" httpUri-1="https://zenodo.org/record/288043/files/figure.png" pageId="22" pageNumber="23">Fig. 8–9</figureCitation>
.
</paragraph>
<paragraph id="8B8636C1C00F4636FF27F845FC70349F" blockId="22.[159,1386,160,1990]" box="[216,899,1926,1949]" pageId="22" pageNumber="23">
1935 
<taxonomicName id="4C394D42C00F4636FE9DF84BFDC4349F" authority="Sow." authorityName="Sow." box="[354,567,1926,1949]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="22" pageNumber="23" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C00F4636FE9DF84BFE03349E" box="[354,496,1928,1949]" italics="true" pageId="22" pageNumber="23">Exogyra nana</emphasis>
(Sow.)
</taxonomicName>
—Cox: p. 175, pl. 17, fig. 16a,b.
</paragraph>
<paragraph id="8B8636C1C00F4636FF27F873FABD34C5" blockId="22.[159,1386,160,1990]" box="[216,1358,1968,1990]" pageId="22" pageNumber="23">
1939 
<emphasis id="B94DEAD3C00F4636FE9DF872FDFC34C5" box="[354,527,1969,1990]" italics="true" pageId="22" pageNumber="23">Exogira Vinassai</emphasis>
Diaz–Rom.—Stefanini: p. 205, pl. 22, fig. 18, pl. 23, figs. 1–11, text–figs. 16–18.
</paragraph>
<paragraph id="8B8636C1C00E4637FF27FF63FC3733DC" blockId="23.[159,1386,160,1773]" pageId="23" pageNumber="24">
1946 
<taxonomicName id="4C394D42C00E4637FE9DFF62FDD033B5" box="[354,547,160,182]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="23" pageNumber="24" phylum="Mollusca" rank="species" species="bathonica">
<emphasis id="B94DEAD3C00E4637FE9DFF62FDD033B5" box="[354,547,160,182]" italics="true" pageId="23" pageNumber="24">Exogyra bathonica</emphasis>
</taxonomicName>
d´Orbigny—Gardet &amp; Gerard: p. 43, pl. 7, fig. 24–25. 1947 
<taxonomicName id="4C394D42C00E4637FE9DFF09FD9233DC" authority="Sowerby" authorityName="Sowerby" box="[354,609,201,223]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="23" pageNumber="24" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C00E4637FE9DFF09FE0333DC" box="[354,496,202,223]" italics="true" pageId="23" pageNumber="24">Exogyra nana</emphasis>
(Sowerby)
</taxonomicName>
—Arkell: p. 80, text–fig. 11, fig. 1.
</paragraph>
<paragraph id="8B8636C1C00E4637FF27FF31FC90320B" blockId="23.[159,1386,160,1773]" box="[216,867,242,264]" pageId="23" pageNumber="24">
1948 
<taxonomicName id="4C394D42C00E4637FE9DFF30FD84320B" authority="J. Sowerby" authorityName="J. Sowerby" box="[354,631,242,264]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="23" pageNumber="24" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C00E4637FE9DFF30FE03320B" box="[354,496,243,264]" italics="true" pageId="23" pageNumber="24">Exogyra nana</emphasis>
(J. Sowerby)
</taxonomicName>
—Cox &amp; Arkell: p. 20.
</paragraph>
<paragraph id="8B8636C1C00E4637FF27FEDFFC5D3231" blockId="23.[159,1386,160,1773]" box="[216,942,284,306]" pageId="23" pageNumber="24">
1952 
<taxonomicName id="4C394D42C00E4637FE9DFEDEFD8A3231" authority="J. Sowerby" authorityName="J. Sowerby" box="[354,633,284,306]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="23" pageNumber="24" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C00E4637FE9DFEDEFE033231" box="[354,496,285,306]" italics="true" pageId="23" pageNumber="24">Exogyra nana</emphasis>
(J. Sowerby)
</taxonomicName>
—Cox: p. 92, pl. 10, figs. 2–4.
</paragraph>
<paragraph id="8B8636C1C00E4637FF27FE86FC353258" blockId="23.[159,1386,160,1773]" box="[216,966,325,347]" pageId="23" pageNumber="24">
1955 
<taxonomicName id="4C394D42C00E4637FE9DFE85FDC63258" authority="Sow." authorityName="Sow." box="[354,565,325,347]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="23" pageNumber="24" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C00E4637FE9DFE85FE033258" box="[354,496,326,347]" italics="true" pageId="23" pageNumber="24">Exogyra nana</emphasis>
(Sow.)
</taxonomicName>
—Basse 
<emphasis id="B94DEAD3C00E4637FD6BFE85FD333258" box="[660,704,325,347]" italics="true" pageId="23" pageNumber="24">et al</emphasis>
.: p. 664, pl. 27, fig. 3a–c.
</paragraph>
<paragraph id="8B8636C1C00E4637FF27FEADFC303287" blockId="23.[159,1386,160,1773]" box="[216,963,366,389]" pageId="23" pageNumber="24">
1955 
<taxonomicName id="4C394D42C00E4637FE9DFEB3FDC63287" authority="Sow." authorityName="Sow." box="[354,565,366,389]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="23" pageNumber="24" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C00E4637FE9DFEB3FE033286" box="[354,496,368,389]" italics="true" pageId="23" pageNumber="24">Exogyra nana</emphasis>
(Sow.)
</taxonomicName>
—Gerasimov: p. 131, pl. 30, fig. 1–14.
</paragraph>
<paragraph id="8B8636C1C00E4637FF27FE5BFC0F32AD" blockId="23.[159,1386,160,1773]" box="[216,1020,408,430]" pageId="23" pageNumber="24">
1955 
<taxonomicName id="4C394D42C00E4637FE9DFE5AFCC232AD" authority="Bruntrutana Thurmann-Schirardin" authorityName="Bruntrutana Thurmann-Schirardin" box="[354,817,408,430]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="23" pageNumber="24" phylum="Mollusca" rank="genus">
<emphasis id="B94DEAD3C00E4637FE9DFE5AFDC832AD" box="[354,571,409,430]" italics="true" pageId="23" pageNumber="24">Exogyra Bruntrutana</emphasis>
Thurmann—Schirardin
</taxonomicName>
: p. 46, pl. 2, fig. 13.
</paragraph>
<paragraph id="8B8636C1C00E4637FF27FE02FC2C32D4" blockId="23.[159,1386,160,1773]" box="[216,991,449,471]" pageId="23" pageNumber="24">
1958 
<taxonomicName id="4C394D42C00E4637FE9DFE01FDB632D4" authority="Sow." authorityName="Sow." box="[354,581,449,471]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="23" pageNumber="24" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C00E4637FE9DFE01FDF332D4" box="[354,512,450,471]" italics="true" pageId="23" pageNumber="24">Nanogyra nana</emphasis>
(Sow.)
</taxonomicName>
—Beurlen: p. 205, 206, 207, 209, fig. 2.
</paragraph>
<paragraph id="8B8636C1C00E4637FF27FE29FCDD3103" blockId="23.[159,1386,160,1773]" box="[216,814,490,512]" pageId="23" pageNumber="24">
1959 
<taxonomicName id="4C394D42C00E4637FE9DFE28FDB73103" authority="Sow." authorityName="Sow." box="[354,580,490,512]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="23" pageNumber="24" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C00E4637FE9DFE28FDF33103" box="[354,512,491,512]" italics="true" pageId="23" pageNumber="24">Nanogyra nana</emphasis>
(Sow.)
</taxonomicName>
—Van de Poel: p. 222.
</paragraph>
<paragraph id="8B8636C1C00E4637FF27FDD7FCA23129" blockId="23.[159,1386,160,1773]" box="[216,849,532,554]" pageId="23" pageNumber="24">
1959 
<taxonomicName id="4C394D42C00E4637FE9DFDD6FDC53129" authority="Sow." authorityName="Sow." box="[354,566,532,554]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="23" pageNumber="24" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C00E4637FE9DFDD6FE033129" box="[354,496,533,554]" italics="true" pageId="23" pageNumber="24">Exogyra nana</emphasis>
(Sow.)
</taxonomicName>
—Jaboli: p. 38, pl. 5, fig. 5.
</paragraph>
<paragraph id="8B8636C1C00E4637FF27FDFEFC3831A5" blockId="23.[159,1386,160,1773]" pageId="23" pageNumber="24">
1960 
<taxonomicName id="4C394D42C00E4637FE9DFDFDFDC63150" authority="Sow." authorityName="Sow." box="[354,565,573,595]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="23" pageNumber="24" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C00E4637FE9DFDFDFE033150" box="[354,496,574,595]" italics="true" pageId="23" pageNumber="24">Exogyra nana</emphasis>
(Sow.)
</taxonomicName>
—Rossi Ronchetti in Desio 
<emphasis id="B94DEAD3C00E4637FCAAFDFDFC713150" box="[853,898,573,595]" italics="true" pageId="23" pageNumber="24">et al</emphasis>
.: p. 95, pl. 11, fig. 
<date id="FF871001C00E4637FBBDFDFEFEF9317F" pageId="23" pageNumber="24" value="1964-08-06">6–8. 1964</date>
<taxonomicName id="4C394D42C00E4637FE9DFDABFD6A317F" authority="(Sowerby) 1822" authorityName="Sowerby" baseAuthorityName="Sowerby" baseAuthorityYear="1822" box="[354,665,614,637]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="23" pageNumber="24" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C00E4637FE9DFDABFE03317E" box="[354,496,616,637]" italics="true" pageId="23" pageNumber="24">Exogyra nana</emphasis>
(Sowerby) 1822
</taxonomicName>
—Wellnhofer: p. 52, pl. 3, figs. 8–11, fig. 33. 1965 
<taxonomicName id="4C394D42C00E4637FE9DFD52FD8A31A5" authority="J. Sowerby" authorityName="J. Sowerby" box="[354,633,656,678]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="23" pageNumber="24" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C00E4637FE9DFD52FE0331A5" box="[354,496,657,678]" italics="true" pageId="23" pageNumber="24">Exogyra nana</emphasis>
(J. Sowerby)
</taxonomicName>
—Cox: p. 73, pl. 11, figs. 5, 6a,b.
</paragraph>
<paragraph id="8B8636C1C00E4637FF27FD7AFC1731CC" blockId="23.[159,1386,160,1773]" box="[216,996,697,719]" pageId="23" pageNumber="24">
1965 
<taxonomicName id="4C394D42C00E4637FE9DFD79FD8331CC" authority="Sowerby" authorityName="Sowerby" box="[354,624,697,719]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="23" pageNumber="24" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C00E4637FE9DFD79FDF331CC" box="[354,512,698,719]" italics="true" pageId="23" pageNumber="24">Nanogyra nana</emphasis>
(Sowerby)
</taxonomicName>
—Freneix: p. 41 (89), pl. 5, fig. 2–6.
</paragraph>
<paragraph id="8B8636C1C00E4637FF27FD21FCA13021" blockId="23.[159,1386,160,1773]" pageId="23" pageNumber="24">
1969 
<taxonomicName id="4C394D42C00E4637FE9DFD20FD7531FB" authority="J. Sowerby" authorityName="J. Sowerby" box="[354,646,738,760]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="23" pageNumber="24" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C00E4637FE9DFD20FDF331FB" box="[354,512,739,760]" italics="true" pageId="23" pageNumber="24">Nanogyra nana</emphasis>
(J. Sowerby)
</taxonomicName>
—Fischer, J.–C.: p. 96, pl. 10, fig. 17–20. 1969 
<taxonomicName id="4C394D42C00E4637FE9DFCCEFE033021" box="[354,496,781,802]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="23" pageNumber="24" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C00E4637FE9DFCCEFE033021" box="[354,496,781,802]" italics="true" pageId="23" pageNumber="24">Exogyra nana</emphasis>
</taxonomicName>
—Ziegler: pl. 6, figs. 1, 2, 4, 9–10.
</paragraph>
<paragraph id="8B8636C1C00E4637FF27FCF6FC233048" blockId="23.[159,1386,160,1773]" box="[216,976,821,843]" pageId="23" pageNumber="24">
1971 
<taxonomicName id="4C394D42C00E4637FE9DFCF5FD6B3048" authority="J. Sowerby" authorityName="J. Sowerby" box="[354,664,821,843]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="23" pageNumber="24" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C00E4637FE9DFCF5FE4B3048" box="[354,440,822,843]" italics="true" pageId="23" pageNumber="24">Exogyra</emphasis>
cf. 
<emphasis id="B94DEAD3C00E4637FE21FCF5FDE33048" box="[478,528,822,843]" italics="true" pageId="23" pageNumber="24">nana</emphasis>
(J. Sowerby)
</taxonomicName>
— 
<collectingCountry id="F32E7651C00E4637FD4CFCF6FD0A3048" box="[691,761,821,843]" name="Jordan" pageId="23" pageNumber="24">Jordan</collectingCountry>
: p. 155, pl. 18, fig. 3.
</paragraph>
<paragraph id="8B8636C1C00E4637FF27FC9DFA993077" blockId="23.[159,1386,160,1773]" box="[216,1386,862,885]" pageId="23" pageNumber="24">
1971 
<taxonomicName id="4C394D42C00E4637FE9DFCA3FD7F3077" authority="J. Sowerby" authorityName="J. Sowerby" box="[354,652,862,885]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="23" pageNumber="24" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C00E4637FE9DFCA3FDF13076" box="[354,514,864,885]" italics="true" pageId="23" pageNumber="24">Nanogyra nana</emphasis>
(J. Sowerby)
</taxonomicName>
—Pugaczewska: p. 281, pl. 1, figs. 3–5, 7, pl. 2, figs. 1–4, pl. 24, figs.
</paragraph>
<paragraph id="8B8636C1C00E4637FE9DFCBEFC623090" blockId="23.[159,1386,160,1773]" box="[354,913,893,915]" pageId="23" pageNumber="24">1–6, pl. 25, figs. 1–7, pl. 26, figs. 1–6, pl. 27, figs. 1–6.</paragraph>
<paragraph id="8B8636C1C00E4637FF27FC65FA99370C" blockId="23.[159,1386,160,1773]" pageId="23" pageNumber="24">
1971 
<taxonomicName id="4C394D42C00E4637FE9DFC6BFD4F30BF" authority="Sowerby, 1822" authorityName="Sowerby" authorityYear="1822" box="[354,700,934,957]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="23" pageNumber="24" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C00E4637FE9DFC6BFE4B30BE" box="[354,440,936,957]" italics="true" pageId="23" pageNumber="24">Exogyra</emphasis>
cf. 
<emphasis id="B94DEAD3C00E4637FE21FC6BFDE330BE" box="[478,528,936,957]" italics="true" pageId="23" pageNumber="24">nana</emphasis>
(Sowerby, 1822)
</taxonomicName>
—Wisniewska–Zelichowska: p. 48, pl. 29, figs. 
<date id="FF871001C00E4637FB58FC65FEF930E5" pageId="23" pageNumber="24" value="1976-10-08">8–10. 1976</date>
<taxonomicName id="4C394D42C00E4637FE9DFC12FD5E30E5" authority="Sowerby, 1822" authorityName="Sowerby" authorityYear="1822" box="[354,685,976,998]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="23" pageNumber="24" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C00E4637FE9DFC12FDF330E5" box="[354,512,977,998]" italics="true" pageId="23" pageNumber="24">Nanogyra nana</emphasis>
(Sowerby, 1822)
</taxonomicName>
—Romanov: p. 110, pl. 5, figs. 
<date id="FF871001C00E4637FC10FC13FEF9370C" pageId="23" pageNumber="24" value="1977-01-15">1–15. 1977</date>
<taxonomicName id="4C394D42C00E4637FE9DFC39FDF7370C" box="[354,516,1018,1039]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="23" pageNumber="24" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C00E4637FE9DFC39FDF7370C" box="[354,516,1018,1039]" italics="true" pageId="23" pageNumber="24">Nanogyra nana</emphasis>
</taxonomicName>
—Fürsich: p. 342, 344, 345, 348, 349, 354, 356, figs. 5, 9, 10, 12–18, 20, 22–24,
</paragraph>
<paragraph id="8B8636C1C00E4637FE9DFBDBFE5B372D" blockId="23.[159,1386,160,1773]" box="[354,424,1048,1070]" pageId="23" pageNumber="24">26–28.</paragraph>
<paragraph id="8B8636C1C00E4637FF27FB82FC003754" blockId="23.[159,1386,160,1773]" box="[216,1011,1089,1111]" pageId="23" pageNumber="24">
1978 
<taxonomicName id="4C394D42C00E4637FE9DFB81FD303754" authority="J. Sowerby, 1822" authorityName="J. Sowerby" authorityYear="1822" box="[354,707,1089,1111]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="23" pageNumber="24" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C00E4637FE9DFB81FDF33754" box="[354,512,1090,1111]" italics="true" pageId="23" pageNumber="24">Nanogyra nana</emphasis>
(J. Sowerby, 1822)
</taxonomicName>
—Duff: p. 84, pl. 9, figs. 2–5.
</paragraph>
<paragraph id="8B8636C1C00E4637FF27FBA9FBF53783" blockId="23.[159,1386,160,1773]" box="[216,1030,1130,1152]" pageId="23" pageNumber="24">
1981 
<taxonomicName id="4C394D42C00E4637FE9DFBA8FD5B3783" authority="Sowerby 1822" authorityName="Sowerby" authorityYear="1822" box="[354,680,1130,1152]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="23" pageNumber="24" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C00E4637FE9DFBA8FDF33783" box="[354,512,1131,1152]" italics="true" pageId="23" pageNumber="24">Nanogyra nana</emphasis>
(Sowerby 1822)
</taxonomicName>
—Parnes: p. 33, pl. 4, figs. 26–27.
</paragraph>
<paragraph id="8B8636C1C00E4637FF27FB57FC3837FF" blockId="23.[159,1386,160,1773]" pageId="23" pageNumber="24">
1984 
<taxonomicName id="4C394D42C00E4637FE9DFB56FD7437A9" authority="J. Sowerby" authorityName="J. Sowerby" box="[354,647,1172,1194]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="23" pageNumber="24" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C00E4637FE9DFB56FDF337A9" box="[354,512,1173,1194]" italics="true" pageId="23" pageNumber="24">Nanogyra nana</emphasis>
(J. Sowerby)
</taxonomicName>
—Gu Zhi-wei, Chen Jin-hua &amp; Sha Jin-geng: p. 137, pl. 28, figs. 
<date id="FF871001C00E4637FADAFB57FEF937D0" pageId="23" pageNumber="24" value="1984-07-22">7–22. 1984</date>
<taxonomicName id="4C394D42C00E4637FE9DFB7DFD3737D0" authority="J. Sowerby, 1822" authorityName="J. Sowerby" authorityYear="1822" box="[354,708,1213,1235]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="23" pageNumber="24" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C00E4637FE9DFB7DFDF337D0" box="[354,512,1214,1235]" italics="true" pageId="23" pageNumber="24">Nanogyra nana</emphasis>
(J. Sowerby, 1822)
</taxonomicName>
—Kelly: p. 49, pl. 7, fig. 1–7, 9–3, Text–fig. 33. 1986 
<taxonomicName id="4C394D42C00E4637FE9DFB2BFD9337FF" authority="Sowerby" authorityName="Sowerby" box="[354,608,1254,1277]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="23" pageNumber="24" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C00E4637FE9DFB2BFE0337FE" box="[354,496,1256,1277]" italics="true" pageId="23" pageNumber="24">Exogyra nana</emphasis>
(Sowerby)
</taxonomicName>
—Li Xiao-chi: p. 482, pl. 3, fig. 11.
</paragraph>
<paragraph id="8B8636C1C00E4637FF60FAD2FC153544" blockId="23.[159,1386,160,1773]" pageId="23" pageNumber="24">
n 1990 
<taxonomicName id="4C394D42C00E4637FE9DFAD2FD4D3625" authority="J. Sowerby 1822" authorityName="J. Sowerby" authorityYear="1822" box="[354,702,1296,1318]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="23" pageNumber="24" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C00E4637FE9DFAD2FDF33625" box="[354,512,1297,1318]" italics="true" pageId="23" pageNumber="24">Nanogyra nana</emphasis>
(J. Sowerby 1822)
</taxonomicName>
—Clausen &amp; Wignall: p. 123, pl. 6, fig. 3 (= 
<taxonomicName id="4C394D42C00E4637FB77FAD2FB1E3625" box="[1160,1261,1296,1318]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="23" pageNumber="24" phylum="Mollusca" rank="species" species="virgula">
<emphasis id="B94DEAD3C00E4637FB77FAD2FB1E3625" box="[1160,1261,1296,1318]" italics="true" pageId="23" pageNumber="24">N. virgula</emphasis>
</taxonomicName>
, RV). 1990 
<taxonomicName id="4C394D42C00E4637FE9DFAF9FDAD364C" authority="Sowerby" authorityName="Sowerby" box="[354,606,1337,1359]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="23" pageNumber="24" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C00E4637FE9DFAF9FE03364C" box="[354,496,1338,1359]" italics="true" pageId="23" pageNumber="24">Exogyra nana</emphasis>
(Sowerby)
</taxonomicName>
—Turbina &amp; Zakharov: p. 74, pl. 39, figs. 
<date id="FF871001C00E4637FBEEFAFAFEF9367B" pageId="23" pageNumber="24" value="1994-11-07">7–11. 1994</date>
<taxonomicName id="4C394D42C00E4637FE9DFAA0FD7B367B" authority="J. Sowerby" authorityName="J. Sowerby" box="[354,648,1378,1400]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="23" pageNumber="24" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C00E4637FE9DFAA0FDF3367B" box="[354,512,1379,1400]" italics="true" pageId="23" pageNumber="24">Nanogyra nana</emphasis>
(J. Sowerby)
</taxonomicName>
—Duff in Martill &amp; Hudson: p. 103, pl. 6, figs. 
<date id="FF871001C00E4637FB8EFAA1FEF936A1" pageId="23" pageNumber="24" value="1995-05-04">4–5. 1995</date>
<taxonomicName id="4C394D42C00E4637FE9DFA4EFD9C36A1" authority="Sowerby" authorityName="Sowerby" box="[354,623,1420,1442]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="23" pageNumber="24" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C00E4637FE9DFA4EFDF336A1" box="[354,512,1421,1442]" italics="true" pageId="23" pageNumber="24">Nanogyra nana</emphasis>
(Sowerby)
</taxonomicName>
—Jaitly, Fürsich &amp; Heinze: p. 189, pl. 16, figs. 13–15, pl. 7, figs. 
<date id="FF871001C00E4637FAF5FA4FFEF936C8" pageId="23" pageNumber="24" value="1996-02-01">1–2. 1996</date>
<taxonomicName id="4C394D42C00E4637FE9DFA75FD5F36C8" authority="Sowerby, 1822" authorityName="Sowerby" authorityYear="1822" box="[354,684,1461,1483]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="23" pageNumber="24" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C00E4637FE9DFA75FDF336C8" box="[354,512,1462,1483]" italics="true" pageId="23" pageNumber="24">Nanogyra nana</emphasis>
(Sowerby, 1822)
</taxonomicName>
—Gerasimov 
<emphasis id="B94DEAD3C00E4637FCC2FA75FC9936C8" box="[829,874,1461,1483]" italics="true" pageId="23" pageNumber="24">et al</emphasis>
.: pl. 19, figs. 
<date id="FF871001C00E4637FC09FA76FEF936F7" pageId="23" pageNumber="24" value="1998-04-01">1–4. 1998</date>
<taxonomicName id="4C394D42C00E4637FE9DFA23FD4C36F7" authority="J. Sowerby 1822" authorityName="J. Sowerby" authorityYear="1822" box="[354,703,1502,1525]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="23" pageNumber="24" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C00E4637FE9DFA23FDF336F6" box="[354,512,1504,1525]" italics="true" pageId="23" pageNumber="24">Nanogyra nana</emphasis>
(J. Sowerby 1822)
</taxonomicName>
—Holzapfel: p. 108, pl. 6, figs. 
<date id="FF871001C00E4637FBFCFA1DFEF9351D" pageId="23" pageNumber="24" value="1998-07-06">6–7. 1998</date>
<taxonomicName id="4C394D42C00E4637FE9DF9CAFDF3351D" box="[354,512,1545,1566]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="23" pageNumber="24" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C00E4637FE9DF9CAFDF3351D" box="[354,512,1545,1566]" italics="true" pageId="23" pageNumber="24">Nanogyra nana</emphasis>
</taxonomicName>
(J. de C. Sowerby)—Radley 
<emphasis id="B94DEAD3C00E4637FCD4F9CAFCA4351D" box="[811,855,1544,1566]" italics="true" pageId="23" pageNumber="24">et al</emphasis>
.: p. 84, fig. 3h–3k. 1999 
<taxonomicName id="4C394D42C00E4637FE9DF9F1FD4C3544" authority="J. Sowerby 1822" authorityName="J. Sowerby" authorityYear="1822" box="[354,703,1585,1607]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="23" pageNumber="24" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C00E4637FE9DF9F1FDF33544" box="[354,512,1586,1607]" italics="true" pageId="23" pageNumber="24">Nanogyra nana</emphasis>
(J. Sowerby 1822)
</taxonomicName>
—Ahmad: p. 18, pl. 3, fig. 3.
</paragraph>
<paragraph id="8B8636C1C00E4637FF27F999FB173573" blockId="23.[159,1386,160,1773]" box="[216,1252,1626,1648]" pageId="23" pageNumber="24">
2002 
<taxonomicName id="4C394D42C00E4637FE9DF998FD373573" authority="J. Sowerby, 1822" authorityName="J. Sowerby" authorityYear="1822" box="[354,708,1626,1648]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="23" pageNumber="24" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C00E4637FE9DF998FDF33573" box="[354,512,1627,1648]" italics="true" pageId="23" pageNumber="24">Nanogyra nana</emphasis>
(J. Sowerby, 1822)
</taxonomicName>
—Sha, Smith &amp; Fürsich: p. 440, figs. 11, 12.1–12.29.
</paragraph>
<paragraph id="8B8636C1C00E4637FF60F946FD683599" blockId="23.[159,1386,160,1773]" box="[159,667,1668,1690]" pageId="23" pageNumber="24">
<date id="FF871001C00E4637FF60F946FEF93599" box="[159,266,1668,1690]" pageId="23" pageNumber="24" value="2006-05">v 2006</date>
<taxonomicName id="4C394D42C00E4637FE9DF946FDF33599" box="[354,512,1669,1690]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="23" pageNumber="24" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C00E4637FE9DF946FDF33599" box="[354,512,1669,1690]" italics="true" pageId="23" pageNumber="24">Nanogyra nana</emphasis>
</taxonomicName>
—Hicks: p. 36.
</paragraph>
<paragraph id="8B8636C1C00E4637FF60F96DFC6235C0" blockId="23.[159,1386,160,1773]" box="[159,913,1709,1731]" pageId="23" pageNumber="24">
<date id="FF871001C00E4637FF60F96DFEF935C0" box="[159,266,1709,1731]" pageId="23" pageNumber="24" value="2006-05">v 2006</date>
<taxonomicName id="4C394D42C00E4637FE9DF96DFD4D35C0" authority="J. Sowerby 1822" authorityName="J. Sowerby" authorityYear="1822" box="[354,702,1709,1731]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="23" pageNumber="24" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C00E4637FE9DF96DFDF335C0" box="[354,512,1710,1731]" italics="true" pageId="23" pageNumber="24">Nanogyra nana</emphasis>
(J. Sowerby 1822)
</taxonomicName>
—Richardt: p. 9, 18.
</paragraph>
<paragraph id="8B8636C1C00E4637FF60F914FB9B35EF" blockId="23.[159,1386,160,1773]" box="[159,1128,1750,1773]" pageId="23" pageNumber="24">
n 2011 
<taxonomicName id="4C394D42C00E4637FE9DF91BFD7535EF" authority="J. Sowerby" authorityName="J. Sowerby" box="[354,646,1750,1773]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="23" pageNumber="24" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C00E4637FE9DF91BFDF335EE" box="[354,512,1752,1773]" italics="true" pageId="23" pageNumber="24">Nanogyra nana</emphasis>
(J. Sowerby)
</taxonomicName>
—Kiessling 
<emphasis id="B94DEAD3C00E4637FCF8F91BFCC035EF" box="[775,819,1750,1773]" italics="true" pageId="23" pageNumber="24">et al</emphasis>
.: p. 210, text-fig. 13, figs. I–J.
</paragraph>
</subSubSection>
<subSubSection id="C323654AC00E4638FF68F8EFFEDF32F6" lastPageId="24" lastPageNumber="25" pageId="23" pageNumber="24" type="materials_examined">
<paragraph id="8B8636C1C00E4637FF68F8EFFC6A34B3" blockId="23.[151,1437,1836,2005]" pageId="23" pageNumber="24">
<emphasis id="B94DEAD3C00E4637FF68F8EFFE523446" bold="true" box="[151,417,1836,1861]" pageId="23" pageNumber="24">
<typeStatus id="54828863C00E4637FF68F8EFFF213446" box="[151,210,1836,1861]" pageId="23" pageNumber="24">Type</typeStatus>
series (not seen).
</emphasis>
Lectotype— 
<taxonomicName id="4C394D42C00E4637FDCAF8EFFC403447" authority="J. Sowerby, 1822" authorityName="J. Sowerby" authorityYear="1822" box="[565,947,1836,1861]" class="Bivalvia" family="Gryphaeidae" genus="Gryphaea" higherTaxonomySource="CoL" kingdom="Animalia" order="Ostreida" pageId="23" pageNumber="24" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C00E4637FDCAF8EFFD163447" box="[565,741,1836,1861]" italics="true" pageId="23" pageNumber="24">Gryphaea nana</emphasis>
J. Sowerby, 1822
</taxonomicName>
, pl. 383, fig. 3 (left figure), BM 43340c, J. Sowerby Collection, Natural History Museum London (
<collectionCode id="ED28AE04C00E4637FCF5F893FC89346B" LSID="urn:lsid:biocol.org:col:34665" box="[778,890,1872,1896]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34665" name="Natural History Museum, London" pageId="23" pageNumber="24">NHMUK</collectionCode>
), designated by Arkell 1932, p. 180; refigured in 
<bibRefCitation id="EFA84B30C00E4637FF68F8B7FED2348F" author="Duff" box="[151,289,1908,1933]" pageId="23" pageNumber="24" refString="Duff, K. L. (1978) Bivalvia from the English Lower Oxford Clay (Middle Jurassic). Monograph of the Palaeontographical Society London, 132, 1 - 137." type="journal article" year="1978">Duff (1978</bibRefCitation>
, pl. 9, fig. 4a,b), Kimmeridge Clay of Shotover Hill, near Oxford, 
<collectingCountry id="F32E7651C00E4637FB64F8B7FB0F348E" box="[1179,1276,1908,1933]" name="United Kingdom" pageId="23" pageNumber="24">England</collectingCountry>
; coordinates: 
<geoCoordinate id="EE0D5006C00E4637FF68F854FECD34B3" box="[151,318,1943,1968]" direction="north" orientation="latitude" pageId="23" pageNumber="24" precision="1" value="51.75318">51°45'11.46''N</geoCoordinate>
, 
<geoCoordinate id="EE0D5006C00E4637FEB6F854FE1534B3" box="[329,486,1943,1968]" direction="west" orientation="longitude" pageId="23" pageNumber="24" precision="1" value="-1.1948833">1°11'41.58''W</geoCoordinate>
(centre of Shotover Hill, Headington).
</paragraph>
<paragraph id="8B8636C1C00E4638FF38F87FFD6B33D6" blockId="23.[151,1437,1836,2005]" lastBlockId="24.[151,1436,151,501]" lastPageId="24" lastPageNumber="25" pageId="23" pageNumber="24">
<typeStatus id="54828863C00E4637FF38F87FFE9734D6" box="[199,356,1980,2005]" pageId="23" pageNumber="24" type="paralectotype">Paralectotype</typeStatus>
(s)—The bivalved specimen figured in J. Sowerby (1822, pl. 383, fig. 3, right figure). The numeration of the 
<typeStatus id="54828863C0014638FE9CFF54FE3933B3" box="[355,458,151,176]" pageId="24" pageNumber="25" type="lectotype">lectotype</typeStatus>
as BM 43340c suggests the presence of more material (at least three specimens), but no further data are obtainable from the literature.
</paragraph>
<paragraph id="8B8636C1C0014638FF38FF1CFBCC328B" blockId="24.[151,1436,151,501]" pageId="24" pageNumber="25">
<emphasis id="B94DEAD3C0014638FF38FF1CFEC533FB" bold="true" box="[199,310,223,248]" pageId="24" pageNumber="25">Material.</emphasis>
Several 
<specimenCount id="9D3FFD48C0014638FE65FF23FDB133FB" box="[410,578,223,248]" pageId="24" pageNumber="25" type="generic">100 specimens</specimenCount>
from the Banné Marls (
<emphasis id="B94DEAD3C0014638FCA9FF1CFC3533FB" box="[854,966,223,248]" italics="true" pageId="24" pageNumber="25">cymodoce</emphasis>
Zone, Lower Kimmeridgian) of Vâ Tche Tchâ (
<collectionCode id="ED28AE04C0014638FF20FEC7FEE9321F" box="[223,282,260,284]" httpUri="http://grbio.org/cool/mm8z-8ppw" name="VTT Biotechnology, Culture Collection" pageId="24" pageNumber="25">VTT</collectionCode>
), “Tunnel le Banné” (TLB) at Porrentruy, Alombre aux Vaches near Courgenay (ALO). Additional younger material comes from a hardground at the top of the 
<emphasis id="B94DEAD3C0014638FCA7FEE4FC333243" box="[856,960,295,320]" italics="true" pageId="24" pageNumber="25">mutabilis</emphasis>
Zone (layer 4000, 
<emphasis id="B94DEAD3C0014638FB5FFEE4FAD83243" box="[1184,1323,295,320]" italics="true" pageId="24" pageNumber="25">lallierianum</emphasis>
Subzone, Upper Kimmeridgian) and the “Lower 
<taxonomicName id="4C394D42C0014638FDB4FE8FFD6C3266" box="[587,671,332,357]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="24" pageNumber="92" phylum="Mollusca" rank="species" species="virgula">Virgula</taxonomicName>
Marls” (layer 4500, 
<taxonomicName id="4C394D42C0014638FC78FE8FFBD73267" authority="Zone" authorityName="Zone" box="[903,1060,332,357]" class="Cephalopoda" family="Aulacostephanidae" genus="Aulacostephanus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ammonitida" pageId="24" pageNumber="25" phylum="Mollusca" rank="species" species="eudoxus">
<emphasis id="B94DEAD3C0014638FC78FE8FFC103266" box="[903,995,332,357]" italics="true" pageId="24" pageNumber="25">eudoxus</emphasis>
Zone
</taxonomicName>
) of Sur Combe Ronde (SCR) and Bois de Sylleux (BSY) near Courtedoux. For measurements see Appendix, 
<tableCitation id="C6BB037AC0014638FC1AFEACFBC8328B" box="[997,1083,367,392]" captionStart="TABLE 2" captionStartId="70.[151,239,152,175]" captionTargetBox="[159,1356,202,844]" captionTargetPageId="70" captionText="TABLE 2. Nanogyra (Nanogyra) nana (J. Sowerby, 1822)." httpUri="http://table.plazi.org/id/DF466649C05F4666FF68FF5BFCE233AC" pageId="24" pageNumber="25" tableUuid="DF466649C05F4666FF68FF5BFCE233AC">Table 2</tableCitation>
.
</paragraph>
<paragraph id="8B8636C1C0014638FF68FE57FEDF32F6" blockId="24.[151,1436,151,501]" pageId="24" pageNumber="25">
Several large RVs on the original label identified as “ 
<taxonomicName id="4C394D42C0014638FCFFFE56FC2F32AE" box="[768,988,404,429]" class="Bivalvia" family="Ostreidae" genus="Ostrea" kingdom="Animalia" order="Ostreoida" pageId="24" pageNumber="25" phylum="Mollusca" rank="species" species="bruntrutana">
<emphasis id="B94DEAD3C0014638FCFFFE56FC2F32AE" box="[768,988,404,429]" italics="true" pageId="24" pageNumber="25">Ostrea bruntrutana</emphasis>
</taxonomicName>
<taxonomicName id="4C394D42C0014638FC1AFE56FAE832AE" authority="Thurmann" authorityName="Thurmann" box="[997,1307,404,429]" pageId="24" pageNumber="25" rank="variety" variety="portlandica">
var. 
<emphasis id="B94DEAD3C0014638FBE7FE57FB6832AE" box="[1048,1179,404,429]" italics="true" pageId="24" pageNumber="25">portlandica</emphasis>
Thurmann
</taxonomicName>
” (= 
<taxonomicName id="4C394D42C0014638FAAEFE56FEB832D3" authority="Ctj." authorityName="Ctj." class="Bivalvia" family="Ostreidae" genus="Ostrea" kingdom="Animalia" order="Ostreoida" pageId="24" pageNumber="25" phylum="Mollusca" rank="species" species="auriformis">
<emphasis id="B94DEAD3C0014638FAAEFE56FEFE32D3" italics="true" pageId="24" pageNumber="25">Ostrea auriformis</emphasis>
, Ctj.
</taxonomicName>
, in Thurmann &amp; 
<bibRefCitation id="EFA84B30C0014638FDE3FE74FD4132D3" author="Etallon" box="[540,690,439,464]" pageId="24" pageNumber="25" refString="Etallon, A. (1862) Etudes paleontologique sur le Haut-Jura. Memoires de la Societe d'Emulation du Departement du Doubs, Serie 3., 6, 53 - 260." type="journal article" year="1862">Etallon 1862</bibRefCitation>
, p. 273) from the Banné hill (Collection number 
<collectionCode id="ED28AE04C0014638FB04FE7BFAB132D3" box="[1275,1346,440,464]" pageId="24" pageNumber="25">MJSN</collectionCode>
S1067, A.2.16.4.06).
</paragraph>
</subSubSection>
<caption id="DF466649C0014638FF68FC62FD7E3710" httpUri="https://zenodo.org/record/288043/files/figure.png" pageId="24" pageNumber="25" targetBox="[174,1413,564,904]" targetPageId="24">
<paragraph id="8B8636C1C0014638FF68FC62FD7E3710" blockId="24.[151,1436,929,1043]" pageId="24" pageNumber="25">
<emphasis id="B94DEAD3C0014638FF68FC62FEFD30B4" bold="true" box="[151,270,929,951]" pageId="24" pageNumber="25">FIGURE 9</emphasis>
. Comparison of juvenile RVs of 
<taxonomicName id="4C394D42C0014638FD9DFC62FD3430B4" box="[610,711,929,951]" class="Bivalvia" family="Gryphaeidae" genus="Gryphaea" higherTaxonomySource="CoL" kingdom="Animalia" order="Ostreida" pageId="24" pageNumber="25" phylum="Mollusca" rank="genus">
<emphasis id="B94DEAD3C0014638FD9DFC62FD3430B4" box="[610,711,929,951]" italics="true" pageId="24" pageNumber="25">Gryphaea</emphasis>
</taxonomicName>
, 
<emphasis id="B94DEAD3C0014638FD2AFC61FCB230B4" box="[725,833,930,951]" italics="true" pageId="24" pageNumber="25">
<taxonomicName id="4C394D42C0014638FD2AFC61FCCE30B4" box="[725,829,930,951]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="24" pageNumber="25" phylum="Mollusca" rank="genus">Nanogyra</taxonomicName>
,
</emphasis>
and 
<taxonomicName id="4C394D42C0014638FC8BFC61FC0730B4" box="[884,1012,930,951]" class="Bivalvia" family="Ostreidae" genus="Actinostreon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="24" pageNumber="25" phylum="Mollusca" rank="genus">
<emphasis id="B94DEAD3C0014638FC8BFC61FC0730B4" box="[884,1012,930,951]" italics="true" pageId="24" pageNumber="25">Actinostreon</emphasis>
</taxonomicName>
. 
<emphasis id="B94DEAD3C0014638FBFDFC62FBFC30B4" bold="true" box="[1026,1039,929,951]" pageId="24" pageNumber="25">1</emphasis>
. 
<taxonomicName id="4C394D42C0014638FBE2FC62FA6B30B4" authority="Terquem, 1855" authorityName="Terquem" authorityYear="1855" box="[1053,1432,929,951]" class="Bivalvia" family="Gryphaeidae" genus="Gryphaea" higherTaxonomySource="CoL" kingdom="Animalia" order="Ostreida" pageId="24" pageNumber="25" phylum="Mollusca" rank="species" species="ferruginea">
<emphasis id="B94DEAD3C0014638FBE2FC62FB0730B4" box="[1053,1268,929,951]" italics="true" pageId="24" pageNumber="25">Gryphaea ferruginea</emphasis>
Terquem, 1855
</taxonomicName>
, Aalenian, Poland (redrawn after Pugaczewska 1971b, fig. 1). 
<emphasis id="B94DEAD3C0014638FCD9FC03FCC030D5" bold="true" box="[806,819,960,982]" pageId="24" pageNumber="25">2</emphasis>
. 
<taxonomicName id="4C394D42C0014638FCBBFC02FABD30D5" authority="Deshayes, 1831" authorityName="Deshayes" authorityYear="1831" box="[836,1358,960,982]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="24" pageNumber="25" phylum="Mollusca" rank="species" species="virgula" subGenus="Palaeogyra">
<emphasis id="B94DEAD3C0014638FCBBFC02FB7F30D5" box="[836,1164,960,982]" italics="true" pageId="24" pageNumber="25">Nanogyra (Palaeogyra) virgula</emphasis>
(Deshayes, 1831)
</taxonomicName>
, Upper Kimmeridgian, Switzerland. 
<emphasis id="B94DEAD3C0014638FE3EFC1CFE3D30F6" bold="true" box="[449,462,991,1013]" pageId="24" pageNumber="25">3</emphasis>
. 
<taxonomicName id="4C394D42C0014638FE22FC23FC8E30F6" authority="J. Sowerby, 1822" authorityName="J. Sowerby" authorityYear="1822" box="[477,893,991,1013]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="24" pageNumber="25" phylum="Mollusca" rank="species" species="nana" subGenus="Nanogyra">
<emphasis id="B94DEAD3C0014638FE22FC23FD5C30F6" box="[477,687,992,1013]" italics="true" pageId="24" pageNumber="25">Nanogyra (N.) nana</emphasis>
(J. Sowerby, 1822)
</taxonomicName>
, Lower Kimmeridgian, Switzerland. 
<emphasis id="B94DEAD3C0014638FAFFFC1CFAFE30F6" bold="true" box="[1280,1293,991,1013]" pageId="24" pageNumber="25">4</emphasis>
. 
<taxonomicName id="4C394D42C0014638FAE3FC23FE583710" authority="J. Sowerby, 1814" authorityName="J. Sowerby" authorityYear="1814" class="Bivalvia" family="Ostreidae" genus="Actinostreon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="24" pageNumber="25" phylum="Mollusca" rank="species" species="marshii">
<emphasis id="B94DEAD3C0014638FAE3FC23FF173710" italics="true" pageId="24" pageNumber="25">Actinostreon marshii</emphasis>
(J. Sowerby, 1814)
</taxonomicName>
, Callovian, Lithuania.
</paragraph>
</caption>
<caption id="DF466649C0014638FF68F980FEC13595" httpUri="https://zenodo.org/record/288044/files/figure.png" pageId="24" pageNumber="25" targetBox="[199,1388,1130,1574]" targetPageId="24">
<paragraph id="8B8636C1C0014638FF68F980FEC13595" blockId="24.[151,1436,1603,1686]" pageId="24" pageNumber="25">
<emphasis id="B94DEAD3C0014638FF68F980FEEA355A" bold="true" box="[151,281,1603,1625]" pageId="24" pageNumber="25">FIGURE 10</emphasis>
. 
<taxonomicName id="4C394D42C0014638FED9F987FCFB355A" authority="J. Sowerby, 1822" authorityName="J. Sowerby" authorityYear="1822" box="[294,776,1603,1625]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="24" pageNumber="25" phylum="Mollusca" rank="species" species="nana" subGenus="Nanogyra">
<emphasis id="B94DEAD3C0014638FED9F987FDB2355A" box="[294,577,1603,1625]" italics="true" pageId="24" pageNumber="25">Nanogyra (Nanogyra) nana</emphasis>
(J. Sowerby, 1822)
</taxonomicName>
. 
<emphasis id="B94DEAD3C0014638FCECF980FCD3355A" bold="true" box="[787,800,1603,1625]" pageId="24" pageNumber="25">1</emphasis>
, LV, interior, VTT001-3214; scale x2. 
<emphasis id="B94DEAD3C0014638FB55F980FB23355A" bold="true" box="[1194,1232,1603,1625]" pageId="24" pageNumber="25">2–3</emphasis>
. Articulated valves, VTT001-3210; scale x3: 
<emphasis id="B94DEAD3C0014638FE57F9A2FE463574" bold="true" box="[424,437,1633,1655]" pageId="24" pageNumber="25">2</emphasis>
, LV, RV lateral; 
<emphasis id="B94DEAD3C0014638FD88F9A2FD773574" bold="true" box="[631,644,1633,1655]" pageId="24" pageNumber="25">3</emphasis>
, LV lateral, posterior xenomorphic; Vâ Tche Tchâ, Banné Marls, Lower Kimmeridgian.
</paragraph>
</caption>
<subSubSection id="C323654AC001463AFF38F97EFD23340C" lastPageId="26" lastPageNumber="27" pageId="24" pageNumber="25" type="description">
<paragraph id="8B8636C1C0014638FF38F97EFE243465" blockId="24.[151,1437,1725,2038]" pageId="24" pageNumber="25">
<emphasis id="B94DEAD3C0014638FF38F97EFEA235D5" bold="true" box="[199,337,1725,1750]" pageId="24" pageNumber="25">Description</emphasis>
. Shape, Size—LV capacious, globular or cup-shaped, 
<taxonomicName id="4C394D42C0014638FC4BF97EFBF135D5" box="[948,1026,1725,1750]" class="Bivalvia" family="Ostreidae" genus="Actinostreon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="24" pageNumber="25" phylum="Mollusca" rank="species" species="outline">outline</taxonomicName>
usually auriform but varies between ovate, suborbicular and subtrigonal; umbo rounded; maximal convexity along the anteroventral margin; RV flat to weakly concave (convex-concave 
<typeStatus id="54828863C0014638FDDCF8C5FDA4341D" box="[547,599,1798,1822]" pageId="24" pageNumber="25">type</typeStatus>
), in adults usually with an anterior, spirally coiled carina, separating an oblique downwards directed and partly concave anterior margin. Examined specimens less than 
<quantity id="4CC19B24C0014638FB2FF8E9FA903442" box="[1232,1379,1834,1858]" metricMagnitude="-2" metricUnit="m" metricValue="1.25" metricValueMax="2.4" metricValueMin="0.1" pageId="24" pageNumber="25" unit="cm" value="1.25" valueMax="2.4" valueMin="0.1">0.1 to 2.4 cm</quantity>
high (Pl. 6.4; Appendix, 
<tableCitation id="C6BB037AC0014638FE8BF88EFE3A3465" box="[372,457,1869,1894]" captionStart="TABLE 2" captionStartId="70.[151,239,152,175]" captionTargetBox="[159,1356,202,844]" captionTargetPageId="70" captionText="TABLE 2. Nanogyra (Nanogyra) nana (J. Sowerby, 1822)." httpUri="http://table.plazi.org/id/DF466649C05F4666FF68FF5BFCE233AC" pageId="24" pageNumber="25" tableUuid="DF466649C05F4666FF68FF5BFCE233AC">Table 2</tableCitation>
).
</paragraph>
<paragraph id="8B8636C1C0014638FF38F8B2FD7934F5" blockId="24.[151,1437,1725,2038]" pageId="24" pageNumber="25">Sculpture—LV attachment scar often large, dependant on available substrate; free surface with concentric growth lines, antimarginal furrows rare, close to attachment scar (perhaps related to xenomorphic growth) (Pl. 5.1c, 4c). RV with faint concentric growth lines and mostly regularly spaced commarginal, weakly squamous growth lamellae; antimarginal riblets always absent.</paragraph>
<paragraph id="8B8636C1C0004639FF38FF54FC413219" blockId="25.[151,1437,151,845]" pageId="25" pageNumber="26">
Ligament area—Narrow, exogyroid, prosodetic, deeply sunken; juvenile ligament area becoming overgrown by posterodorsal shell margin during spiral growth (Fig. 10.1–2; Pl. 5.1–7, Pl. 6.2–4). LV resilifer slightly concave, equal to or slightly broader than anterior bourrelet; posterior bourrelet narrow and mostly hidden under posterodorsal margin or “ligament ledge” (
<bibRefCitation id="EFA84B30C0004639FD89FEC2FC553219" author="Pugaczewska" box="[630,934,257,282]" pageId="25" pageNumber="26" refString="Pugaczewska, H. (1971) Jurassic Ostreidae of Poland. Acta Palaeontologica Polonica, 16 (3), 195 - 311." type="journal article" year="1971" yearSuffix="p">Pugaczewska 1971, p. 222</bibRefCitation>
).
</paragraph>
<paragraph id="8B8636C1C0004639FF38FEE7FB8A32C9" blockId="25.[151,1437,151,845]" pageId="25" pageNumber="26">Internal shell characters—Umbonal cavity small to moderate (Pl. 5.2a–b); adductor scar posterocentral, oval, dorsolateral borders often slightly biconcave, weakly impressed in depositional surface, ventrally elevated (buttressed) (LV: Fig. 10.1, RV: Pl. 5.3c) (Pl. 5.2a–b, 3c; small and weakly inserted Quenstedt scar present in RV (observed only in two specimens: VTT001-7427, VTT001-144), situated at the posterior lower end of the hinge margin (Pl. 5.3c). Commissural shelf weak and restricted to dorsal half. Chomata absent.</paragraph>
<paragraph id="8B8636C1C0004639FF38FE17FBAB3113" blockId="25.[151,1437,151,845]" pageId="25" pageNumber="26">
Microstructure—Regular foliated without chambers (
<bibRefCitation id="EFA84B30C0004639FCDBFE17FC3332EE" author="Siewert" box="[804,960,468,493]" pageId="25" pageNumber="26" refString="Siewert, W. (1972) Schalenbau und Stammesgeschichte der Austern. Stuttgarter Beitrage zur Naturkunde, B, 1, 1 - 57." type="journal article" year="1972">Siewert 1972</bibRefCitation>
). RV with relatively thick outer prismatic layer, observable along the upturned growth crests of the anterior margin (Pl. 6.2a–b).
</paragraph>
<paragraph id="8B8636C1C0004639FF38FDD8FC1F3179" blockId="25.[151,1437,151,845]" pageId="25" pageNumber="26">Prodissoconch, juvenile—Incomplete prodissoconch moulds visible on two RVs (Pl. 6.3a–b, and 4b–c); upper part and umbo with P1 lost (top of shell appearing flat, therefore); length of 2 measured moulds 325–344 µm, height 394 µm suggesting a prodissoconch size in the order of 350–400 µm.</paragraph>
<paragraph id="8B8636C1C0004639FF38FD47FCEE304E" blockId="25.[151,1437,151,845]" pageId="25" pageNumber="26">
Postlarval RV smooth, suboval, with straight truncated dorsal margin beyond prodissoconch (P) and a somewhat protruding posteroventral margin. First opisthogyrate torsion between ventral margin of the P and postlarval shell around 45°; strong torsion of 90° and first commarginal growth crests at ca. 
<quantity id="4CC19B24C0004639FB42FD08FAB531E0" box="[1213,1350,715,739]" metricMagnitude="-4" metricUnit="m" metricValue="9.5" metricValueMax="12.0" metricValueMin="7.0" pageId="25" pageNumber="26" unit="mm" value="0.95" valueMax="1.2" valueMin="0.7">0.7–1.2 mm</quantity>
height; shell prolongation shifted towards the former posterior margin (Pl. 6.3a and 4b,c); 2nd 90° turn between 
<quantity id="4CC19B24C0004639FAB7FD2DFF36302A" metricMagnitude="-3" metricUnit="m" metricValue="2.1" metricValueMax="2.5" metricValueMin="1.7" pageId="25" pageNumber="26" unit="mm" value="2.1" valueMax="2.5" valueMin="1.7">1.7–2.5 mm</quantity>
, 3rd 90° turn between 
<quantity id="4CC19B24C0004639FE2AFCD2FDAB302A" box="[469,600,785,810]" metricMagnitude="-3" metricUnit="m" metricValue="6.25" metricValueMax="10.0" metricValueMin="2.5" pageId="25" pageNumber="26" unit="mm" value="6.25" valueMax="10.0" valueMin="2.5">2.5–10 mm</quantity>
and a final turn of 45° between 
<quantity id="4CC19B24C0004639FC22FCD1FBDC302A" box="[989,1071,786,810]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="25" pageNumber="26" unit="mm" value="10.0">10 mm</quantity>
and adult height; altogether an opisthogyrate coiling of around 360° for adult specimens.
</paragraph>
<caption id="DF466649C0004639FF68F8E7FC5034F1" httpUri="https://zenodo.org/record/288045/files/figure.png" pageId="25" pageNumber="26" targetBox="[151,1436,900,1806]" targetPageId="25">
<paragraph id="8B8636C1C0004639FF68F8E7FC5034F1" blockId="25.[151,1436,1828,2034]" pageId="25" pageNumber="26">
<emphasis id="B94DEAD3C0004639FF68F8E7FEEA3439" bold="true" box="[151,281,1828,1850]" pageId="25" pageNumber="26">FIGURE 11</emphasis>
. 
<taxonomicName id="4C394D42C0004639FED9F8E6FD723439" box="[294,641,1828,1850]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="25" pageNumber="26" phylum="Mollusca" rank="species" species="auricularis" subGenus="Nanogyra">
<emphasis id="B94DEAD3C0004639FED9F8E6FE783439" box="[294,395,1829,1850]" italics="true" pageId="25" pageNumber="26">Nanogyra</emphasis>
(
<emphasis id="B94DEAD3C0004639FE64F8E6FDF33439" box="[411,512,1829,1850]" italics="true" pageId="25" pageNumber="26">Nanogyra</emphasis>
) 
<emphasis id="B94DEAD3C0004639FDEFF8E7FD723439" box="[528,641,1828,1850]" italics="true" pageId="25" pageNumber="26">auricularis</emphasis>
</taxonomicName>
(Münster in Goldfuss, 1833)(b) and 
<taxonomicName id="4C394D42C0004639FC03F8E6FB583439" box="[1020,1195,1828,1850]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="25" pageNumber="26" phylum="Mollusca" rank="species" species="rivelensis" subGenus="Nanogyra">
<emphasis id="B94DEAD3C0004639FC03F8E6FBE73439" box="[1020,1044,1829,1850]" italics="true" pageId="25" pageNumber="26">N.</emphasis>
(
<emphasis id="B94DEAD3C0004639FBDCF8E6FBC83439" box="[1059,1083,1829,1850]" italics="true" pageId="25" pageNumber="26">N.</emphasis>
) 
<emphasis id="B94DEAD3C0004639FBB5F8E7FB583439" box="[1098,1195,1828,1850]" italics="true" pageId="25" pageNumber="26">rivelensis</emphasis>
</taxonomicName>
(de Loriol, 1904). 
<emphasis id="B94DEAD3C0004639FA8FF8E7FA663439" bold="true" box="[1392,1429,1828,1850]" pageId="25" pageNumber="26">1–2</emphasis>
. 
<taxonomicName id="4C394D42C0004639FF68F887FDC1345A" authority="Amberg, Hettangian" authorityName="Amberg, Hettangian" box="[151,562,1859,1881]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="25" pageNumber="26" phylum="Mollusca" rank="species" species="auricularis" subGenus="Nanogyra">
<emphasis id="B94DEAD3C0004639FF68F887FF5C345A" box="[151,175,1860,1881]" italics="true" pageId="25" pageNumber="26">N.</emphasis>
(
<emphasis id="B94DEAD3C0004639FF42F887FF26345A" box="[189,213,1860,1881]" italics="true" pageId="25" pageNumber="26">N.</emphasis>
) 
<emphasis id="B94DEAD3C0004639FF1CF880FEA7345A" box="[227,340,1859,1881]" italics="true" pageId="25" pageNumber="26">auricularis</emphasis>
, Amberg, Hettangian
</taxonomicName>
, Lower Lias. 
<emphasis id="B94DEAD3C0004639FD43F880FD3A345A" bold="true" box="[700,713,1859,1881]" pageId="25" pageNumber="26">1</emphasis>
. LV lateral, reversely? (mirrored) drawn original in Goldfuss (1833(b), pl. 79, fig. 7a). 
<emphasis id="B94DEAD3C0004639FECAF8A1FEB1347B" bold="true" box="[309,322,1890,1912]" pageId="25" pageNumber="26">2</emphasis>
. RV lateral (original, pl. 79, fig. 7b). 
<emphasis id="B94DEAD3C0004639FD3EF8A1FD14347B" bold="true" box="[705,743,1890,1912]" pageId="25" pageNumber="26">3–8</emphasis>
. 
<taxonomicName id="4C394D42C0004639FD0BF8A0FC03347B" box="[756,1008,1890,1912]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="25" pageNumber="26" phylum="Mollusca" rank="species" species="rivelensis" subGenus="Nanogyra">
<emphasis id="B94DEAD3C0004639FD0BF8A0FCAA347B" box="[756,857,1891,1912]" italics="true" pageId="25" pageNumber="26">Nanogyra</emphasis>
(
<emphasis id="B94DEAD3C0004639FC96F8A0FC72347B" box="[873,897,1891,1912]" italics="true" pageId="25" pageNumber="26">N.</emphasis>
) 
<emphasis id="B94DEAD3C0004639FC70F8A1FC03347B" box="[911,1008,1890,1912]" italics="true" pageId="25" pageNumber="26">rivelensis</emphasis>
</taxonomicName>
. 
<emphasis id="B94DEAD3C0004639FC02F8A1FBD0347B" bold="true" box="[1021,1059,1890,1912]" pageId="25" pageNumber="26">3–5</emphasis>
. 
<taxonomicName id="4C394D42C0004639FBCEF8A1FAEB347B" authority="Munster" authorityName="Munster" box="[1073,1304,1890,1912]" class="Bivalvia" family="Ostreidae" genus="Ostrea" kingdom="Animalia" order="Ostreoida" pageId="25" pageNumber="26" phylum="Mollusca" rank="species" species="striata">
<emphasis id="B94DEAD3C0004639FBCEF8A1FB4D347B" box="[1073,1214,1890,1912]" italics="true" pageId="25" pageNumber="26">Ostrea striata</emphasis>
Münster
</taxonomicName>
in Goldfuss, 1833(b) (pl. 80, figs. 7a–c), senior synonym. 
<emphasis id="B94DEAD3C0004639FD99F843FD813495" bold="true" box="[614,626,1920,1942]" pageId="25" pageNumber="26">3</emphasis>
. RV lateral (pl. 80, fig. 7b), Streitberg, Germany, Oxfordian. 
<emphasis id="B94DEAD3C0004639FB19F843FB003495" bold="true" box="[1254,1267,1920,1942]" pageId="25" pageNumber="26">4</emphasis>
. RV interior (pl. 80, fig. 7c). 
<emphasis id="B94DEAD3C0004639FEEBF85CFED234B6" bold="true" box="[276,289,1951,1973]" pageId="25" pageNumber="26">5</emphasis>
. LV lateral (pl. 80, fig. 7a). 
<emphasis id="B94DEAD3C0004639FDBCF85CFDA334B6" bold="true" box="[579,592,1951,1973]" pageId="25" pageNumber="26">6</emphasis>
. “ 
<taxonomicName id="4C394D42C0004639FD97F863FD5F34B6" box="[616,684,1952,1973]" class="Bivalvia" family="Ostreidae" genus="Ostrea" kingdom="Animalia" order="Ostreoida" pageId="25" pageNumber="26" phylum="Mollusca" rank="genus">
<emphasis id="B94DEAD3C0004639FD97F863FD5F34B6" box="[616,684,1952,1973]" italics="true" pageId="25" pageNumber="26">Ostrea</emphasis>
</taxonomicName>
” 
<taxonomicName id="4C394D42C0004639FD41F85CFCEC34B6" box="[702,799,1951,1973]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="25" pageNumber="26" phylum="Mollusca" rank="species" species="rivelensis">
<emphasis id="B94DEAD3C0004639FD41F85CFCEC34B6" box="[702,799,1951,1973]" italics="true" pageId="25" pageNumber="26">rivelensis</emphasis>
</taxonomicName>
; RV lateral, original figure in de Loriol (1904, pl. 25, fig. 11), Mont Rivel, Oxfordian. 
<emphasis id="B94DEAD3C0004639FE6EF87EFE6D34D0" bold="true" box="[401,414,1981,2003]" pageId="25" pageNumber="26">7</emphasis>
. 
<taxonomicName id="4C394D42C0004639FE53F87CFDAE34D0" box="[428,605,1981,2004]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="25" pageNumber="26" phylum="Mollusca" rank="species" species="rivelensis" subGenus="Nanogyra">
<emphasis id="B94DEAD3C0004639FE53F87CFE3634D7" box="[428,453,1983,2004]" italics="true" pageId="25" pageNumber="26">N.</emphasis>
(
<emphasis id="B94DEAD3C0004639FE2BF87CFE1F34D7" box="[468,492,1983,2004]" italics="true" pageId="25" pageNumber="26">N.</emphasis>
) 
<emphasis id="B94DEAD3C0004639FE03F87EFDAE34D0" box="[508,605,1981,2003]" italics="true" pageId="25" pageNumber="26">rivelensis</emphasis>
</taxonomicName>
. RV lateral, FPJ 750, Vue des Alps, Canton Neuchâtel, Switzerland, 
<emphasis id="B94DEAD3C0004639FAD3F87EFA6F34D0" box="[1324,1436,1981,2003]" italics="true" pageId="25" pageNumber="26">antecedens</emphasis>
Subzone, Middle Oxfordian. 
<emphasis id="B94DEAD3C0004639FE40F81FFE3834F1" bold="true" box="[447,459,2012,2034]" pageId="25" pageNumber="26">8</emphasis>
. RV interior, same as 7. All scale bars 10 mm.
</paragraph>
</caption>
<paragraph id="8B8636C1C003463AFF38FF54FAC13266" blockId="26.[151,1437,151,1990]" pageId="26" pageNumber="27">
<emphasis id="B94DEAD3C003463AFF38FF54FEAC33B3" bold="true" box="[199,351,151,176]" pageId="26" pageNumber="27">Paleoecology</emphasis>
. In the low-energy marl facies of the middle Banné Member (Pl. 6.1a–c, Pl. 19.2a–d), 
<taxonomicName id="4C394D42C003463AFA7DFF5AFEAE33D7" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="26" pageNumber="27" phylum="Mollusca" rank="species" species="nana" subGenus="Nanogyra">
<emphasis id="B94DEAD3C003463AFA7DFF5AFA6E33B3" box="[1410,1437,153,176]" italics="true" pageId="26" pageNumber="27">N.</emphasis>
(
<emphasis id="B94DEAD3C003463AFF5FFF7EFEE333D7" box="[160,272,189,212]" italics="true" pageId="26" pageNumber="27">Nanogyra</emphasis>
) 
<emphasis id="B94DEAD3C003463AFEDAFF7EFEAE33D7" box="[293,349,189,212]" italics="true" pageId="26" pageNumber="27">nana</emphasis>
</taxonomicName>
settled preferentially on biogenic hard substrates, e.g. 
<taxonomicName id="4C394D42C003463AFC1AFF7FFA9033D6" authority="Rollier, 1915" authorityName="Rollier" authorityYear="1915" box="[997,1379,188,213]" class="Bivalvia" family="Pinnidae" genus="Trichites" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="26" pageNumber="27" phylum="Mollusca" rank="species" species="matheyi">
<emphasis id="B94DEAD3C003463AFC1AFF7FFB5F33D6" box="[997,1196,188,213]" italics="true" pageId="26" pageNumber="27">Trichites matheyi</emphasis>
(Rollier, 1915)
</taxonomicName>
, and occasionally also on the interior of dead shells of exposed infaunal bivalves such as 
<taxonomicName id="4C394D42C003463AFBA5FF22FB2433FB" box="[1114,1239,225,248]" class="Bivalvia" family="Ceratomyidae" genus="Ceratomya" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pholadomyoida" pageId="26" pageNumber="27" phylum="Mollusca" rank="genus">
<emphasis id="B94DEAD3C003463AFBA5FF22FB2433FB" box="[1114,1239,225,248]" italics="true" pageId="26" pageNumber="27">Ceratomya</emphasis>
</taxonomicName>
(Pl. 19.1a,b) and 
<taxonomicName id="4C394D42C003463AFF68FEC7FEB3321E" box="[151,320,260,285]" class="Bivalvia" family="Cardiidae" genus="Integricardium" higherTaxonomySource="GBIF" kingdom="Animalia" order="Veneroida" pageId="26" pageNumber="27" phylum="Mollusca" rank="genus">
<emphasis id="B94DEAD3C003463AFF68FEC7FEB3321E" box="[151,320,260,285]" italics="true" pageId="26" pageNumber="27">Integricardium</emphasis>
</taxonomicName>
. In higher energy environments, it settled on stems of 
<taxonomicName id="4C394D42C003463AFC3EFEC7FA9A321E" authority="F.A. Roemer" authorityName="F.A. Roemer" box="[961,1385,260,285]" class="Ulvophyceae" family="Dasycladaceae" genus="Goniolina" higherTaxonomySource="GBIF" kingdom="Plantae" order="Dasycladales" pageId="26" pageNumber="27" phylum="Chlorophyta" rank="species" species="geometrica">
<emphasis id="B94DEAD3C003463AFC3EFEC7FB48321F" box="[961,1211,260,285]" italics="true" pageId="26" pageNumber="27">Goniolina geometrica</emphasis>
(F.A. Roemer)
</taxonomicName>
and other dasycladacean algae (beds 70 and 300 of section VTT, Banné Marls). These 
<taxonomicName id="4C394D42C003463AFBA4FEE9FB383242" box="[1115,1227,298,321]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="26" pageNumber="27" phylum="Mollusca" rank="genus">
<emphasis id="B94DEAD3C003463AFBA4FEE9FB383242" box="[1115,1227,298,321]" italics="true" pageId="26" pageNumber="27">Nanogyra</emphasis>
</taxonomicName>
specimens are all smaller than 
<quantity id="4CC19B24C003463AFED8FE8DFE913266" box="[295,354,334,358]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="26" pageNumber="27" unit="cm" value="1.0">1 cm</quantity>
, perhaps indicating a correlation with the bending strength of the dasycladacean stems.
</paragraph>
<paragraph id="8B8636C1C003463AFF38FEB2FD80313C" blockId="26.[151,1437,151,1990]" pageId="26" pageNumber="27">
The species also occurs as patch reef builder together with the crinoid 
<taxonomicName id="4C394D42C003463AFC07FEB1FA883289" authority="d'Orbigny" authorityName="d'Orbigny" box="[1016,1403,369,394]" class="Crinoidea" family="Apiocrinitidae" genus="Apiocrinites" higherTaxonomySource="GBIF" kingdom="Animalia" order="Millericrinida" pageId="26" pageNumber="27" phylum="Echinodermata" rank="species" species="roissyanus">
<emphasis id="B94DEAD3C003463AFC07FEB1FAF1328A" box="[1016,1282,370,393]" italics="true" pageId="26" pageNumber="27">Apiocrinites roissyanus</emphasis>
d'Orbigny
</taxonomicName>
as found along the Transjurane Highway close to Boncourt (locality Queue au Loup, BON-QLP, Upper Oxfordian). The reef of up to one meter height and several meters length contains millions of 
<taxonomicName id="4C394D42C003463AFBD8FE78FB8C32D1" box="[1063,1151,443,466]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="26" pageNumber="27" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C003463AFBD8FE78FB8C32D1" box="[1063,1151,443,466]" italics="true" pageId="26" pageNumber="27">N. nana</emphasis>
</taxonomicName>
specimens forming up to 
<quantity id="4CC19B24C003463AFF68FE1CFF1032F5" box="[151,227,479,503]" metricMagnitude="-1" metricUnit="m" metricValue="1.0" pageId="26" pageNumber="27" unit="cm" value="10.0">10 cm</quantity>
thick layers. The preservation of complete, articulated crinoid crowns indicates a rather low-energy environment. Some round, bolder-shaped oyster accumulations, built by some thousand specimens of 
<taxonomicName id="4C394D42C003463AFAD3FDC7FF3C313C" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="26" pageNumber="27" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C003463AFAD3FDC7FF3C313C" italics="true" pageId="26" pageNumber="27">Nanogyra nana</emphasis>
</taxonomicName>
, were found nearby in the soft marls.
</paragraph>
<paragraph id="8B8636C1C003463AFF38FD88FADE31AF" blockId="26.[151,1437,151,1990]" pageId="26" pageNumber="27">
<bibRefCitation id="EFA84B30C003463AFF38FD88FDAB3167" author="Fursich" box="[199,600,587,612]" pageId="26" pageNumber="27" refString="Fursich, F. T. &amp; Hautmann, M. (2005) Bivalve reefs from the upper Triassic of Iran. Annali dell' Universita di Ferrara, sezione Museologia Scientifica e Naturalistica. Special volume in honour of Carmela Loriga, 13 - 23." type="book chapter" year="2005" yearSuffix="p">Fürsich &amp; Hautmann (2005, p. 15)</bibRefCitation>
reported similar lenticular patch reefs (0,2–0,3 m high) at several levels within the Kamar-e-Mehdi Formation (Middle Callovian–Lower Kimmeridgian) in east-central 
<collectingCountry id="F32E7651C003463AFB22FDB3FAFE3184" box="[1245,1293,624,647]" name="Iran" pageId="26" pageNumber="27">Iran</collectingCountry>
. These reefs were found in a low energy shelf lagoon associated with sponges and bivalves (
<taxonomicName id="4C394D42C003463AFBEDFD50FAEF31AF" authority="Radulopecten" authorityName="Radulopecten" box="[1042,1308,659,684]" class="Bivalvia" family="Pinnidae" genus="Trichites" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="26" pageNumber="27" phylum="Mollusca" rank="genus">
<emphasis id="B94DEAD3C003463AFBEDFD50FAEF31AF" box="[1042,1308,659,684]" italics="true" pageId="26" pageNumber="27">Trichites, Radulopecten</emphasis>
</taxonomicName>
).
</paragraph>
<paragraph id="8B8636C1C003463AFF38FD74FB0E303F" blockId="26.[151,1437,151,1990]" pageId="26" pageNumber="27">
<emphasis id="B94DEAD3C003463AFF38FD74FEA031D3" bold="true" box="[199,339,695,720]" pageId="26" pageNumber="27">Occurrence</emphasis>
. In 
<collectingCountry id="F32E7651C003463AFE7CFD74FDFA31D3" box="[387,521,695,720]" name="Switzerland" pageId="26" pageNumber="27">Switzerland</collectingCountry>
and 
<collectingCountry id="F32E7651C003463AFDBCFD7BFD7C31CC" box="[579,655,696,719]" name="France" pageId="26" pageNumber="27">France</collectingCountry>
the species is restricted to the Upper Jurassic (
<bibRefCitation id="EFA84B30C003463AFB53FD74FACD31D3" author="Jourdy" box="[1196,1342,695,720]" pageId="26" pageNumber="27" refString="Jourdy, E. (1924) Histoire naturelle des Exogyres. Annales de Paleontologie, 13, 1 - 104." type="journal article" year="1924">Jourdy 1924</bibRefCitation>
, 
<bibRefCitation id="EFA84B30C003463AFAB4FD74FF2031F6" author="Ziegler" pageId="26" pageNumber="27" refString="Ziegler, B. (1969) Uber Exogyra virgula (Lamellibranchiata, Oberjura). Eclogae Geologicae Helvetiae, 62 (2), 685 - 696." type="journal article" year="1969">Ziegler 1969</bibRefCitation>
). Elsewhere, it occurs from Bajocian rocks in 
<collectingCountry id="F32E7651C003463AFD2CFD1FFCC331F6" box="[723,816,732,757]" name="United Kingdom" pageId="26" pageNumber="27">England</collectingCountry>
(Arkell 1932) and 
<collectingCountry id="F32E7651C003463AFBFAFD1FFBB031F6" box="[1029,1091,732,757]" name="Israel" pageId="26" pageNumber="27">Israel</collectingCountry>
(
<bibRefCitation id="EFA84B30C003463AFBAEFD1EFB2E31F6" author="Parnes" box="[1105,1245,733,757]" pageId="26" pageNumber="27" refString="Parnes, A. (1981) Biostratigraphy of the Mahmal Formation (Middle and Upper Bajocian) in Makhtesh Ramon (Negev, Southern Israel). Bulletin - Geological Survey of Israel, 74, 1 - 55." type="journal article" year="1981">Parnes 1981</bibRefCitation>
) up to the Lower Cretaceous of the Spilsby Sandstone of 
<collectingCountry id="F32E7651C003463AFD6FFCC3FD02301A" box="[656,753,768,793]" name="United Kingdom" pageId="26" pageNumber="27">England</collectingCountry>
. This latter occurrence includes 
<taxonomicName id="4C394D42C003463AFB73FCC2FE91303E" authority="d'Orbigny, 1847" authorityName="d'Orbigny" authorityYear="1847" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="26" pageNumber="27" phylum="Mollusca" rank="species" species="tombeckiana">
<emphasis id="B94DEAD3C003463AFB73FCC2FA68301A" box="[1164,1435,768,793]" italics="true" pageId="26" pageNumber="27">Nanogyra tombeckiana</emphasis>
(d’Orbigny, 1847)
</taxonomicName>
(in d’Orbigny 
<date id="FF871001C003463AFDF4FCE6FD7F303E" box="[523,652,805,829]" pageId="26" pageNumber="27" value="1843" valueMax="1847">1843–1847</date>
), which Kelly (1984, p. 46) synonymized with 
<taxonomicName id="4C394D42C003463AFB62FCE5FB05303E" box="[1181,1270,806,829]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="26" pageNumber="27" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C003463AFB62FCE5FB05303E" box="[1181,1270,806,829]" italics="true" pageId="26" pageNumber="27">N. nana</emphasis>
</taxonomicName>
.
</paragraph>
<paragraph id="8B8636C1C003463AFF38FC8AFCFD30CD" blockId="26.[151,1437,151,1990]" pageId="26" pageNumber="27">
<emphasis id="B94DEAD3C003463AFF38FC8AFE963061" bold="true" box="[199,357,841,866]" pageId="26" pageNumber="27">Comparisons</emphasis>
. Larval shells of the present material of 
<taxonomicName id="4C394D42C003463AFCB6FC89FC563062" box="[841,933,842,865]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="26" pageNumber="27" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C003463AFCB6FC89FC563062" box="[841,933,842,865]" italics="true" pageId="26" pageNumber="27">N. nana</emphasis>
</taxonomicName>
(Pl. 6.3a,b, and 4b,c) are comparable with Jurassic liostreine, Cretaceous flemingostreine and Tertiary to Recent crassostreine larval shells. The phylogenetic significance of this observation is currently unclear. See 
<bibRefCitation id="EFA84B30C003463AFCF3FC52FC3330A9" author="Malchus" box="[780,960,913,938]" pageId="26" pageNumber="27" refString="Malchus, N. (1995) Larval shells of Tertiary Cubitostrea Sacco 1897, with a review of larval shell characters in the subfamilies Ostreinae and Crassostreinae (Ostreoidea, Bivalvia). Bulletin de l'Institut royal des Sciences naturelles de Belgique, Sciences de la Terre, 65, 187 - 239." type="journal article" year="1995">Malchus (1995)</bibRefCitation>
, 
<bibRefCitation id="EFA84B30C003463AFC34FC52FB9F30A9" author="Palmer" box="[971,1132,913,938]" pageId="26" pageNumber="27" refString="Palmer, C. P. (1989) Larval shells of four Jurassic bivalve molluscs. Bulletin of the British Museum of Natural History (Geology), 45 (1), 57 - 69." type="journal article" year="1989">Palmer (1989)</bibRefCitation>
and Plates 6.5 and 10.2–3a for comparisons of various fossil oyster prodissoconchs.
</paragraph>
<paragraph id="8B8636C1C003463AFF38FC19FD1637AB" blockId="26.[151,1437,151,1990]" pageId="26" pageNumber="27">
The following exogyrine species described by Thurmann &amp; 
<bibRefCitation id="EFA84B30C003463AFC86FC19FBED30F0" box="[889,1054,986,1011]" pageId="26" pageNumber="27" refString="Etallon, A. (1862) Etudes paleontologique sur le Haut-Jura. Memoires de la Societe d'Emulation du Departement du Doubs, Serie 3., 6, 53 - 260." type="journal article">Etallon (1862)</bibRefCitation>
(bivalve volume of 
<bibRefCitation id="EFA84B30C003463AFAF6FC19FEC23714" author="Thurmann" pageId="26" pageNumber="27" refString="Thurmann, J. &amp; Etallon, A. (1861 - 1864), Lethea Bruntrutana ou Etudes paleontologiques et stratigraphiques sur le Jura Bernois et en particulier les environs de Porrentruy. Denkschriften der Schweizerischen Naturforschenden Gesellschaft, 18 - 20, 1 - 146 (1861), 147 - 354 (1862), 355 - 500 (1864)." type="journal article" year="1861">
Thurmann &amp; Etallon, 
<date id="FF871001C003463AFF05FC3DFEC23714" box="[250,305,1022,1047]" pageId="26" pageNumber="27" value="1861" valueMax="1864">1861</date>
</bibRefCitation>
–1864) are considered synonymous with 
<taxonomicName id="4C394D42C003463AFCEBFC3CFC5B3715" box="[788,936,1023,1047]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="26" pageNumber="27" phylum="Mollusca" rank="species" species="nana" subGenus="Nanogyra">
<emphasis id="B94DEAD3C003463AFCEBFC3CFCDD3715" box="[788,814,1023,1046]" italics="true" pageId="26" pageNumber="27">N.</emphasis>
(
<emphasis id="B94DEAD3C003463AFCBDFC3CFCAF3715" box="[834,860,1023,1046]" italics="true" pageId="26" pageNumber="27">N.</emphasis>
) 
<emphasis id="B94DEAD3C003463AFC8FFC3CFC5B3715" box="[880,936,1023,1046]" italics="true" pageId="26" pageNumber="27">nana</emphasis>
</taxonomicName>
: 
<taxonomicName id="4C394D42C003463AFC44FC3CFA6B3714" authority="Thurmann &amp; Etallon" authorityName="Thurmann &amp; Etallon" box="[955,1432,1022,1047]" class="Bivalvia" family="Ostreidae" genus="Ostrea" kingdom="Animalia" order="Ostreoida" pageId="26" pageNumber="27" phylum="Mollusca" rank="species" species="bruntrutana">
<emphasis id="B94DEAD3C003463AFC44FC3CFB6B3714" box="[955,1176,1022,1047]" italics="true" pageId="26" pageNumber="27">Ostrea bruntrutana</emphasis>
Thurmann &amp; Etallon
</taxonomicName>
, 
<taxonomicName id="4C394D42C003463AFF68FBE0FE833738" box="[151,368,1058,1083]" class="Bivalvia" family="Ostreidae" genus="Ostrea" kingdom="Animalia" order="Ostreoida" pageId="26" pageNumber="27" phylum="Mollusca" rank="species" species="bruntrutana">
<emphasis id="B94DEAD3C003463AFF68FBE0FE833738" box="[151,368,1058,1083]" italics="true" pageId="26" pageNumber="27">Ostrea bruntrutana</emphasis>
</taxonomicName>
<taxonomicName id="4C394D42C003463AFE88FBE0FD563738" authority="Thurmann" authorityName="Thurmann" box="[375,677,1058,1083]" pageId="26" pageNumber="27" rank="variety" variety="portlandica">
var. 
<emphasis id="B94DEAD3C003463AFE58FBE1FDD93738" box="[423,554,1058,1083]" italics="true" pageId="26" pageNumber="27">portlandica</emphasis>
Thurmann
</taxonomicName>
(= “ 
<taxonomicName id="4C394D42C003463AFD26FBE0FC2F3738" authority="Ctj." authorityName="Ctj." box="[729,988,1058,1083]" class="Bivalvia" family="Ostreidae" genus="Ostrea" kingdom="Animalia" order="Ostreoida" pageId="26" pageNumber="27" phylum="Mollusca" rank="species" species="auriformis">
<emphasis id="B94DEAD3C003463AFD26FBE0FC523738" box="[729,929,1059,1083]" italics="true" pageId="26" pageNumber="27">Ostrea auriformis</emphasis>
, Ctj.
</taxonomicName>
”, in Thurmann &amp; 
<bibRefCitation id="EFA84B30C003463AFB57FBE1FAC83738" author="Etallon" box="[1192,1339,1058,1083]" pageId="26" pageNumber="27" refString="Etallon, A. (1862) Etudes paleontologique sur le Haut-Jura. Memoires de la Societe d'Emulation du Departement du Doubs, Serie 3., 6, 53 - 260." type="journal article" year="1862">Etallon 1862</bibRefCitation>
, p. 273), “ 
<taxonomicName id="4C394D42C003463AFF5CFB84FF1D375D" box="[163,238,1095,1118]" class="Bivalvia" family="Ostreidae" genus="Ostrea" kingdom="Animalia" order="Ostreoida" pageId="26" pageNumber="27" phylum="Mollusca" rank="genus">
<emphasis id="B94DEAD3C003463AFF5CFB84FF1D375D" box="[163,238,1095,1118]" italics="true" pageId="26" pageNumber="27">Ostrea</emphasis>
</taxonomicName>
” 
<taxonomicName id="4C394D42C003463AFEFBFB85FDFC375C" authority="Goldfuss, 1833" authorityName="Goldfuss" authorityYear="1833" box="[260,527,1094,1119]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="26" pageNumber="27" phylum="Mollusca" rank="species" species="spiralis">
<emphasis id="B94DEAD3C003463AFEFBFB85FEAB375C" box="[260,344,1094,1119]" italics="true" pageId="26" pageNumber="27">spiralis</emphasis>
Goldfuss, 1833
</taxonomicName>
(b) and 
<taxonomicName id="4C394D42C003463AFD98FB84FCB0375C" authority="Etallon" authorityName="Etallon" box="[615,835,1094,1119]" class="Bivalvia" family="Ostreidae" genus="Ostrea" kingdom="Animalia" order="Ostreoida" pageId="26" pageNumber="27" phylum="Mollusca" rank="species" species="subnana">
<collectingCountry id="F32E7651C003463AFD98FB84FD88375D" box="[615,635,1095,1118]" name="Iceland" pageId="26" pageNumber="27">
<emphasis id="B94DEAD3C003463AFD98FB84FD88375D" box="[615,635,1095,1118]" italics="true" pageId="26" pageNumber="27">O</emphasis>
</collectingCountry>
. 
<emphasis id="B94DEAD3C003463AFD74FB85FD19375C" box="[651,746,1094,1119]" italics="true" pageId="26" pageNumber="27">subnana</emphasis>
Etallon
</taxonomicName>
in Thurmann &amp; 
<bibRefCitation id="EFA84B30C003463AFBFAFB85FB68375C" author="Etallon" box="[1029,1179,1094,1119]" pageId="26" pageNumber="27" refString="Etallon, A. (1862) Etudes paleontologique sur le Haut-Jura. Memoires de la Societe d'Emulation du Departement du Doubs, Serie 3., 6, 53 - 260." type="journal article" year="1862">Etallon 1862</bibRefCitation>
. Of these, only 
<taxonomicName id="4C394D42C003463AFAAEFB84FEED3787" class="Bivalvia" family="Ostreidae" genus="Ostrea" kingdom="Animalia" order="Ostreoida" pageId="26" pageNumber="27" phylum="Mollusca" rank="species" species="bruntrutana">
<emphasis id="B94DEAD3C003463AFAAEFB84FEED3787" italics="true" pageId="26" pageNumber="27">Ostrea bruntrutana</emphasis>
</taxonomicName>
<taxonomicName id="4C394D42C003463AFEDAFBAFFE2A3787" box="[293,473,1131,1156]" pageId="26" pageNumber="27" rank="variety" variety="portlandica">
var. 
<emphasis id="B94DEAD3C003463AFEA9FBA8FE2A3787" box="[342,473,1131,1156]" italics="true" pageId="26" pageNumber="27">portlandica</emphasis>
</taxonomicName>
is preserved in the collection of the MJSN (S1067). For a comparable specimen from the “Lower 
<taxonomicName id="4C394D42C003463AFEE2FB4CFE8337AB" box="[285,368,1167,1192]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="26" pageNumber="92" phylum="Mollusca" rank="species" species="virgula">Virgula</taxonomicName>
Marl” of Courtedoux see Pl. 5.6.
</paragraph>
<paragraph id="8B8636C1C003463AFF38FB77FF05365F" blockId="26.[151,1437,151,1990]" pageId="26" pageNumber="27">
In addition, 
<taxonomicName id="4C394D42C003463AFEA3FB76FCA337CF" authority="Douville &amp; Jourdy, 1874" authorityName="Douville &amp; Jourdy" authorityYear="1874" box="[348,848,1203,1228]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="26" pageNumber="27" phylum="Mollusca" rank="species" species="praevirgula">
<emphasis id="B94DEAD3C003463AFEA3FB76FDF537CF" box="[348,518,1203,1228]" italics="true" pageId="26" pageNumber="27">N. praevirgula</emphasis>
(
<bibRefCitation id="EFA84B30C003463AFDE4FB70FCBB37CF" author="Douville" box="[539,840,1203,1228]" pageId="26" pageNumber="27" refString="Douville, H. &amp; Jourdy, E. (1874) Note sur le partie moyenne du terrain jurassique dans le Berry (1). Bulletin de la Societe geologique de France, Serie 3, 3, 97 - 133." type="journal article" year="1874">Douvillé &amp; Jourdy, 1874</bibRefCitation>
)
</taxonomicName>
appears to be a xenomorphic 
<taxonomicName id="4C394D42C003463AFB38FB76FAD437CF" box="[1223,1319,1205,1228]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="26" pageNumber="27" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C003463AFB38FB76FAD437CF" box="[1223,1319,1205,1228]" italics="true" pageId="26" pageNumber="27">N. nana</emphasis>
</taxonomicName>
[see also comparisons under 
<taxonomicName id="4C394D42C003463AFE8BFB1AFDE637F3" box="[372,533,1239,1264]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="26" pageNumber="27" phylum="Mollusca" rank="species" species="virgula" subGenus="Palaeogyra">
<emphasis id="B94DEAD3C003463AFE8BFB1AFE7D37F3" box="[372,398,1241,1264]" italics="true" pageId="26" pageNumber="27">N.</emphasis>
(
<emphasis id="B94DEAD3C003463AFE60FB1AFE4137F3" box="[415,434,1241,1264]" italics="true" pageId="26" pageNumber="27">P.</emphasis>
) 
<emphasis id="B94DEAD3C003463AFE3AFB14FDE637F3" box="[453,533,1239,1264]" italics="true" pageId="26" pageNumber="27">virgula</emphasis>
</taxonomicName>
]. For detailed discussions of the synonymy and variability of adult 
<taxonomicName id="4C394D42C003463AFAE9FB1AFA8337F3" box="[1302,1392,1241,1264]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="26" pageNumber="27" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C003463AFAE9FB1AFA8337F3" box="[1302,1392,1241,1264]" italics="true" pageId="26" pageNumber="27">N. nana</emphasis>
</taxonomicName>
see Arkell (1932), 
<bibRefCitation id="EFA84B30C003463AFEB9FB3EFE3E3616" author="Cox" box="[326,461,1276,1301]" pageId="26" pageNumber="27" refString="Cox, L. R. (1952) The Jurassic lamellibranch fauna of Cutch (Kachh). No. 3, Families Pectinidae, Amusiidae, Plicatulidae, Limidae, Ostreidae and Trigoniidae (Supplement). Memoirs of the Geological Survey of India, Palaeontologica Indica, Series 9, 3 (4), 1 - 128." type="journal article" year="1952">Cox (1952)</bibRefCitation>
, 
<bibRefCitation id="EFA84B30C003463AFE22FB3FFD9A3616" author="Duff" box="[477,617,1276,1301]" pageId="26" pageNumber="27" refString="Duff, K. L. (1978) Bivalvia from the English Lower Oxford Clay (Middle Jurassic). Monograph of the Palaeontographical Society London, 132, 1 - 137." type="journal article" year="1978">Duff (1978)</bibRefCitation>
, Gautret (1982), 
<bibRefCitation id="EFA84B30C003463AFCCAFB3FFC2A3616" author="Jourdy" box="[821,985,1276,1301]" pageId="26" pageNumber="27" refString="Jourdy, E. (1924) Histoire naturelle des Exogyres. Annales de Paleontologie, 13, 1 - 104." type="journal article" year="1924">Jourdy (1924)</bibRefCitation>
, Kelly (1984), 
<bibRefCitation id="EFA84B30C003463AFB70FB3FFA643616" box="[1167,1431,1276,1301]" pageId="26" pageNumber="27" refString="Kiessling, W. Pandey, D. K., Schemm-Gregory, M., Mewis, H. &amp; Aberhan, M. (2011) Marine benthic invertebrates from the Upper Jurassic of northern Ethiopia and their biogeographic affinities. Journal of African Earth Sciences, 59, 195 - 214. http: // dx. doi. org / 10.1016 / j. jafrearsci. 2010.10.006" type="journal article">
Kiessling 
<emphasis id="B94DEAD3C003463AFAFBFB3EFAB33616" box="[1284,1344,1276,1301]" italics="true" pageId="26" pageNumber="27">et al.</emphasis>
(2011)
</bibRefCitation>
, 
<bibRefCitation id="EFA84B30C003463AFF68FAE3FE8C363A" author="Pugaczewska" box="[151,383,1312,1337]" pageId="26" pageNumber="27" refString="Pugaczewska, H. (1971) Jurassic Ostreidae of Poland. Acta Palaeontologica Polonica, 16 (3), 195 - 311." type="journal article" year="1971">Pugaczewska (1971)</bibRefCitation>
and 
<bibRefCitation id="EFA84B30C003463AFE48FAE3FD85363A" box="[439,630,1312,1337]" pageId="26" pageNumber="27" refString="Sha, J., Smith, P. L. &amp; Fursich, F. T. (2002) Jurassic Ostreoida (Bivalvia) from China (Tanggula Mountains, Qinghai-Xizang plateau) and their paleobiogeographic context. Journal of Paleontology, 76 (3), 431 - 446. http: // dx. doi. org / 10.1666 / 0022 - 3360 (2002) 076 &lt;0431: JOBFCT&gt; 2.0. CO; 2" type="journal article">
Sha 
<emphasis id="B94DEAD3C003463AFE17FAE2FDD2363A" box="[488,545,1312,1337]" italics="true" pageId="26" pageNumber="27">et al.</emphasis>
(2002)
</bibRefCitation>
. The following taxa, listed alphabetically, are considered different from 
<taxonomicName id="4C394D42C003463AFF68FA85FF1C365E" box="[151,239,1350,1373]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="26" pageNumber="27" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C003463AFF68FA85FF1C365E" box="[151,239,1350,1373]" italics="true" pageId="26" pageNumber="27">N. nana</emphasis>
</taxonomicName>
.
</paragraph>
<paragraph id="8B8636C1C003463AFF38FAA9FDE43558" blockId="26.[151,1437,151,1990]" pageId="26" pageNumber="27">
<taxonomicName id="4C394D42C003463AFF38FAA9FE6B3681" box="[199,408,1385,1410]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="26" pageNumber="27" phylum="Mollusca" rank="species" species="auricularis" subGenus="Nanogyra">
<emphasis id="B94DEAD3C003463AFF38FAA9FF123682" box="[199,225,1386,1409]" italics="true" pageId="26" pageNumber="27">N.</emphasis>
(
<emphasis id="B94DEAD3C003463AFF0EFAA9FEF83682" box="[241,267,1386,1409]" italics="true" pageId="26" pageNumber="27">N.</emphasis>
) 
<emphasis id="B94DEAD3C003463AFEE4FAAAFE6B3681" box="[283,408,1385,1410]" italics="true" pageId="26" pageNumber="27">auricularis</emphasis>
</taxonomicName>
(Münster in Goldfuss, 1833)(b) (p. 20, pl. 79, fig.7a–b)—Münster and Goldfuss based their description of the new species on a single articulated shell (possibly 
<typeStatus id="54828863C003463AFC6BFA4EFC0536A5" box="[916,1014,1421,1446]" pageId="26" pageNumber="27" type="holotype">holotype</typeStatus>
by monotypy, see ICZN 73.1.2) from the Liassic of Amberg (Franconia, 
<collectingCountry id="F32E7651C003463AFDE4FA71FD7A36C9" box="[539,649,1458,1482]" name="Germany" pageId="26" pageNumber="27">Germany</collectingCountry>
). According to 
<bibRefCitation id="EFA84B30C003463AFCCCFA72FC0A36C9" author="Kuhn" box="[819,1017,1457,1482]" pageId="26" pageNumber="27" refString="Kuhn, O. (1934) Die Tier- und Pflanzenreste der Schlotheimia-Stufe (Lias a 2) bei Bamberg. Abhandlungen der Geologischen Landesuntersuchung am Bayerischen Oberbergamt, 13, 3 - 52." type="journal article" year="1934" yearSuffix="p">Kuhn (1934, p. 6)</bibRefCitation>
the species appears to be restricted to the Lower Jurassic (Hettangian) in its 
<typeStatus id="54828863C003463AFDA4FA14FD7836EC" box="[603,651,1495,1519]" pageId="26" pageNumber="27">type</typeStatus>
region. For comparison see also Jourdy’s (1924, p. 53, pl. 1, figs. 1.1–1.5, pl. 7, fig. 3) specimen(s) from the Toarcian of 
<collectingCountry id="F32E7651C003463AFCF2FA38FCAF3511" box="[781,860,1531,1554]" name="France" pageId="26" pageNumber="27">France</collectingCountry>
, and a single RV of 
<taxonomicName id="4C394D42C003463AFBB9FA38FA673510" box="[1094,1428,1530,1555]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="26" pageNumber="27" phylum="Mollusca" rank="species" species="auricularis" subGenus="Nanogyra">
<emphasis id="B94DEAD3C003463AFBB9FA38FB453511" box="[1094,1206,1531,1554]" italics="true" pageId="26" pageNumber="27">Nanogyra</emphasis>
(
<emphasis id="B94DEAD3C003463AFB37FA38FB113511" box="[1224,1250,1531,1554]" italics="true" pageId="26" pageNumber="27">N.</emphasis>
) cf. 
<emphasis id="B94DEAD3C003463AFAE7FA39FA673510" box="[1304,1428,1530,1555]" italics="true" pageId="26" pageNumber="27">auricularis</emphasis>
</taxonomicName>
, with the mould of the rarely preserved prodissoconch, from the Upper Hettangian of Stuttgart-Vaihingen from the collection of the SMNS (Pl. 10.2).
</paragraph>
<paragraph id="8B8636C1C003463AFF38F9A5FD23340C" blockId="26.[151,1437,151,1990]" pageId="26" pageNumber="27">
The original figure in Goldfuss (here reproduced in Fig. 11.1–2) has an oval shape and a weakly twisted, apparently prosogyrate rather than opisthogyrate umbo, which is here interpreted as a technical error during the preparation of the lithographic plate. The figured specimen can be distinguished from 
<taxonomicName id="4C394D42C003463AFB89F973FAD435C4" box="[1142,1319,1712,1735]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="26" pageNumber="27" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C003463AFB89F973FAD435C4" box="[1142,1319,1712,1735]" italics="true" pageId="26" pageNumber="27">Nanogyra nana</emphasis>
</taxonomicName>
, by a less coiled umbo, the weakly upraised ventral margin and a much smoother RV with only few growth interruptions. The height of 
<quantity id="4CC19B24C003463AFEFDF93BFEBD340C" box="[258,334,1784,1808]" metricMagnitude="-2" metricUnit="m" metricValue="4.8" pageId="26" pageNumber="27" unit="cm" value="4.8">4.8 cm</quantity>
is relatively large for a 
<taxonomicName id="4C394D42C003463AFDA6F93AFD3A3413" box="[601,713,1785,1808]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="26" pageNumber="27" phylum="Mollusca" rank="genus">
<emphasis id="B94DEAD3C003463AFDA6F93AFD3A3413" box="[601,713,1785,1808]" italics="true" pageId="26" pageNumber="27">Nanogyra</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
<subSubSection id="C323654AC003463CFF38F8DEFC0630C4" lastPageId="28" lastPageNumber="29" pageId="26" pageNumber="27" type="reference_group">
<paragraph id="8B8636C1C003463AFF38F8DEFBCF34C5" blockId="26.[151,1437,151,1990]" pageId="26" pageNumber="27">
<taxonomicName id="4C394D42C003463AFF38F8DEFD633436" authority="W. Smith, 1819" authorityName="W. Smith" authorityYear="1819" box="[199,656,1820,1845]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="26" pageNumber="27" phylum="Mollusca" rank="species" species="crassa" subGenus="Nanogyra">
<emphasis id="B94DEAD3C003463AFF38F8DEFEC43437" box="[199,311,1821,1844]" italics="true" pageId="26" pageNumber="27">Nanogyra</emphasis>
(
<emphasis id="B94DEAD3C003463AFEB5F8DEFE973437" box="[330,356,1821,1844]" italics="true" pageId="26" pageNumber="27">N.</emphasis>
) 
<emphasis id="B94DEAD3C003463AFE88F8DEFE333437" box="[375,448,1821,1844]" italics="true" pageId="26" pageNumber="27">crassa</emphasis>
(W. Smith, 1819)
</taxonomicName>
(p. 30, fig. 6)—This species was first described from the Bradford Clay (Bathonian) of Bradford-on-Avon in Wiltshire, 
<collectingCountry id="F32E7651C003463AFD13F883FCBA345A" box="[748,841,1856,1881]" name="United Kingdom" pageId="26" pageNumber="27">England</collectingCountry>
(
<bibRefCitation id="EFA84B30C003463AFCA6F882FBC9345A" author="Cox" box="[857,1082,1856,1881]" pageId="26" pageNumber="27" refString="Cox, L. R. &amp; Arkell, W. J. (1948) A survey of the Mollusca of the British Great Oolite Series: primarily a nomenclatorial revision of the monographs by Morris and Lycett (1851 - 55), Lycett (1863) and Blake (1905 - 07), Part 1, revised explanation of plates, Morris &amp; Lycett (Bivalves). Monograph of the Palaeontographical Society London, 102 (444), i - xiii, 1 - 48, + 15 pls. explanations." type="journal article" year="1948">Cox &amp; Arkell 1948</bibRefCitation>
, p. 20; 
<bibRefCitation id="EFA84B30C003463AFB70F882FAF3345A" author="Cox" box="[1167,1280,1856,1881]" pageId="26" pageNumber="27" refString="Cox, L. R. (1952) The Jurassic lamellibranch fauna of Cutch (Kachh). No. 3, Families Pectinidae, Amusiidae, Plicatulidae, Limidae, Ostreidae and Trigoniidae (Supplement). Memoirs of the Geological Survey of India, Palaeontologica Indica, Series 9, 3 (4), 1 - 128." type="journal article" year="1952">Cox 1952</bibRefCitation>
, p. 90, pl. 10, fig. 1). “ 
<taxonomicName id="4C394D42C003463AFF05F8A6FD76347E" authority="Thevenin, 1913" authorityName="Thevenin" authorityYear="1913" box="[250,645,1892,1917]" class="Bivalvia" family="Ostreidae" genus="Ostrea" kingdom="Animalia" order="Ostreoida" pageId="26" pageNumber="27" phylum="Mollusca" rank="species" species="bathonica">
<emphasis id="B94DEAD3C003463AFF05F8A6FE4D347E" box="[250,446,1892,1917]" italics="true" pageId="26" pageNumber="27">Ostrea bathonica</emphasis>
” 
<bibRefCitation id="EFA84B30C003463AFE2CF8A7FD76347E" author="Thevenin" box="[467,645,1892,1917]" pageId="26" pageNumber="27" refString="Thevenin, A. (1913) Types du Prodrome de Paleontologie startigraphique universelle d'Alcide d'Orbigny. Annales de paleontologie, 8 (2), 73 - 104 (145 - 176)." type="journal article" year="1913">Thevenin, 1913</bibRefCitation>
</taxonomicName>
(p. 166, pl. 29, figs. 4–6) (ex. d’Orbigny, 1850) is a junior synonym (
<bibRefCitation id="EFA84B30C003463AFF61F84AFDBD34A2" author="Fischer" box="[158,590,1929,1954]" pageId="26" pageNumber="27" refString="Fischer, J. - C. (1969) Geologie, paleontologie et paleoecologie du Bathonien en sud-ouest du Massif Ardennais. Memoires du Museum National d'Histoire Naturelle, Serie C, 20, 1 - 319." type="journal article" year="1969" yearSuffix="p">Fischer 1969, p. 95, pl. 10, fig. 21, 22</bibRefCitation>
). The same may hold true for 
<taxonomicName id="4C394D42C003463AFC5EF849FAF834A1" authority="Roemer, 1835" authorityName="Roemer" authorityYear="1835" box="[929,1291,1929,1954]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="26" pageNumber="27" phylum="Mollusca" rank="species" species="carinata">
<emphasis id="B94DEAD3C003463AFC5EF849FB9534A2" box="[929,1126,1930,1953]" italics="true" pageId="26" pageNumber="27">Exogyra carinata</emphasis>
<bibRefCitation id="EFA84B30C003463AFB92F849FAF834A1" author="Roemer" box="[1133,1291,1929,1954]" pageId="26" pageNumber="27" refString="Roemer, F. A. (1835 - 1839) Die Versteinerungen des norddeutschen Oolithen-Gebirges. Hahn, Hannover, part 1, i - vi, 1 - 74, pls. 1 - 12 (1835); part 2, 75 - 134, pls. 13 - 16 (1836 a), part 3 (new title), 65 - 68 (new), 135 - 218, pls. 1 - 12 (new) (1836 b); Ein Nachtrag (Addendum), i - iv, 1 - 59, pls. 17 - 20, Tab. A (geologic profiles) (1839)." type="journal article" year="1835">Roemer, 1835</bibRefCitation>
</taxonomicName>
(p. 66, pl. 3, fig. 15) from the Portland limestone of the hill Langenberg near Goslar (
<collectingCountry id="F32E7651C003463AFC3EF86DFBC334C5" box="[961,1072,1966,1990]" name="Germany" pageId="26" pageNumber="27">Germany</collectingCountry>
).
</paragraph>
<paragraph id="8B8636C1C002463BFF38FF54FB5433D6" blockId="27.[151,1437,151,1365]" pageId="27" pageNumber="28">
Differences to 
<taxonomicName id="4C394D42C002463BFE87FF5AFE2533B3" box="[376,470,153,176]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="27" pageNumber="28" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C002463BFE87FF5AFE2533B3" box="[376,470,153,176]" italics="true" pageId="27" pageNumber="28">N. nana</emphasis>
</taxonomicName>
are a much larger adult size (occasionally more than 
<quantity id="4CC19B24C002463BFB9BFF54FB5733AC" box="[1124,1188,151,176]" metricMagnitude="-2" metricUnit="m" metricValue="6.0" pageId="27" pageNumber="28" unit="cm" value="6.0">6 cm</quantity>
, the elongate, nearly linguiform 
<taxonomicName id="4C394D42C002463BFEEAFF7FFE9533D6" box="[277,358,188,213]" class="Bivalvia" family="Ostreidae" genus="Actinostreon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="27" pageNumber="28" phylum="Mollusca" rank="species" species="outline">outline</taxonomicName>
, and a less curved umbo, with a well-developed resilifer and a large PAM.
</paragraph>
<paragraph id="8B8636C1C002463BFF38FF22FF0D3266" blockId="27.[151,1437,151,1365]" pageId="27" pageNumber="28">
<taxonomicName id="4C394D42C002463BFF38FF22FE0033FB" box="[199,499,225,249]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="27" pageNumber="28" phylum="Mollusca" rank="species" species="monoptera" subGenus="Nanogyra">
<emphasis id="B94DEAD3C002463BFF38FF22FEC433FB" box="[199,311,225,248]" italics="true" pageId="27" pageNumber="28">Nanogyra</emphasis>
(
<emphasis id="B94DEAD3C002463BFEB4FF22FE9633FB" box="[331,357,225,248]" italics="true" pageId="27" pageNumber="28">N.</emphasis>
) 
<emphasis id="B94DEAD3C002463BFE85FF22FE0033FB" box="[378,499,225,248]" italics="true" pageId="27" pageNumber="28">monoptera</emphasis>
</taxonomicName>
(J.-A. &amp; 
<bibRefCitation id="EFA84B30C002463BFD95FF22FBF333FA" author="Eudes-Deslongchamps" box="[618,1024,224,249]" pageId="27" pageNumber="28" refString="Eudes-Deslongchamps, J. - A. &amp; Eudes-Deslongchamps, J. F. E. (1858) Memoire sur la couche a Leptaena. Intercalee entre le lias moyen et le lias superieur du Calvados. Bulletin de la Societe linneenne de Normandie, 3, 132 - 195." type="journal article" year="1858">J.F.E. Eudes-Deslongchamps, 1858</bibRefCitation>
) (p. 159, pl. 5, figs. 1–4)—This is another early representative of the genus, known from the Toarcian of 
<collectingCountry id="F32E7651C002463BFC51FEC6FC0D321F" box="[942,1022,261,284]" name="France" pageId="27" pageNumber="28">France</collectingCountry>
. The species differs from 
<taxonomicName id="4C394D42C002463BFADFFEC6FA8A321F" box="[1312,1401,261,284]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="27" pageNumber="28" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C002463BFADFFEC6FA8A321F" box="[1312,1401,261,284]" italics="true" pageId="27" pageNumber="28">N. nana</emphasis>
</taxonomicName>
by its sickle-shaped prolongation of the posteroventral margin, the presence of a posterodorsal auricle, and a minor inflation.
</paragraph>
<paragraph id="8B8636C1C002463BFF38FEB2FC393186" blockId="27.[151,1437,151,1365]" pageId="27" pageNumber="28">
<taxonomicName id="4C394D42C002463BFF38FEB2FE10328A" box="[199,483,368,393]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="27" pageNumber="28" phylum="Mollusca" rank="species" species="rivelensis" subGenus="Nanogyra">
<emphasis id="B94DEAD3C002463BFF38FEB2FEC4328B" box="[199,311,369,392]" italics="true" pageId="27" pageNumber="28">Nanogyra</emphasis>
(
<emphasis id="B94DEAD3C002463BFEB5FEB2FE97328B" box="[330,356,369,392]" italics="true" pageId="27" pageNumber="28">N.</emphasis>
) 
<emphasis id="B94DEAD3C002463BFE88FEB3FE10328A" box="[375,483,368,393]" italics="true" pageId="27" pageNumber="28">rivelensis</emphasis>
</taxonomicName>
(de Loriol, 1904) (p. 256, pl. 25, figs. 11–13)—The species is from the Argovian marly sponge facies (“Couche à Birmenstorf”, 
<emphasis id="B94DEAD3C002463BFD4BFE56FCAC32AF" box="[692,863,405,428]" italics="true" pageId="27" pageNumber="28">transversarium</emphasis>
Zone, Middle Oxfordian) of the Mont Rivel near Champagnole (Franche-Comté, Department Jura, 
<collectingCountry id="F32E7651C002463BFD38FE7AFCEB32D2" box="[711,792,441,465]" name="France" pageId="27" pageNumber="28">France</collectingCountry>
), which also exists in the 
<collectingCountry id="F32E7651C002463BFBC8FE7BFB8B32D2" box="[1079,1144,440,465]" name="Switzerland" pageId="27" pageNumber="28">Swiss</collectingCountry>
Jura chains (Fig. 11.7–8). 
<taxonomicName id="4C394D42C002463BFF68FE1EFE6632F7" authority="Munster" authorityName="Munster" box="[151,405,477,500]" class="Bivalvia" family="Ostreidae" genus="Ostrea" kingdom="Animalia" order="Ostreoida" pageId="27" pageNumber="28" phylum="Mollusca" rank="species" species="striata">
<emphasis id="B94DEAD3C002463BFF68FE1EFEC132F7" box="[151,306,477,500]" italics="true" pageId="27" pageNumber="28">Ostrea striata</emphasis>
Münster
</taxonomicName>
in Goldfuss (1833)(b) (p. 22, pl. 80, figs. 3a–d) from the Oxfordian of Southern 
<collectingCountry id="F32E7651C002463BFAE5FE1EFA7132F6" box="[1306,1410,477,501]" name="Germany" pageId="27" pageNumber="28">Germany</collectingCountry>
is a senior synonym (see 
<bibRefCitation id="EFA84B30C002463BFE64FDC3FDCB311A" author="Gumbel" box="[411,568,512,537]" pageId="27" pageNumber="28" refString="Gumbel, C. W. von (1862) Die Streitberger Schwammlager und ihre Foraminiferen-Einschlusse. Jahreshefte des Vereins fur vaterlandische Naturkunde in Wurttemberg, 18, 192 - 238." type="journal article" year="1862">Gümbel 1862</bibRefCitation>
, p. 194–208, for 
<typeStatus id="54828863C002463BFD06FDC2FCDA311A" box="[761,809,513,537]" pageId="27" pageNumber="28">type</typeStatus>
section). The name has rarely been used, however, and should be considered a nomen oblitum. This decision would also avoid confusion with 
<taxonomicName id="4C394D42C002463BFB80FDE7FA65313E" authority="W. Smith" authorityName="W. Smith" box="[1151,1430,548,573]" class="Bivalvia" family="Chamidae" genus="Chama" kingdom="Animalia" order="Veneroida" pageId="27" pageNumber="28" phylum="Mollusca" rank="species" species="striata">
<emphasis id="B94DEAD3C002463BFB80FDE7FAD2313F" box="[1151,1313,548,573]" italics="true" pageId="27" pageNumber="28">Chama striata</emphasis>
W. Smith
</taxonomicName>
, which is itself a suppressed senior synonym of 
<taxonomicName id="4C394D42C002463BFD43FD8AFBCD3162" authority="Deshayes" authorityName="Deshayes" box="[700,1086,584,609]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="27" pageNumber="28" phylum="Mollusca" rank="species" species="virgula" subGenus="Palaeogyra">
<emphasis id="B94DEAD3C002463BFD43FD8AFCDF3163" box="[700,812,585,608]" italics="true" pageId="27" pageNumber="28">Nanogyra</emphasis>
(
<emphasis id="B94DEAD3C002463BFCC0FD8AFCA23163" box="[831,849,585,608]" italics="true" pageId="27" pageNumber="28">P.</emphasis>
) 
<emphasis id="B94DEAD3C002463BFC99FD8BFC453162" box="[870,950,584,609]" italics="true" pageId="27" pageNumber="28">virgula</emphasis>
(Deshayes)
</taxonomicName>
(ICZN opinion 310). Original figures 3a–c in Goldfuss (1833)(b) are here reproduced as Figure 11.3–5.
</paragraph>
<paragraph id="8B8636C1C002463BFF38FD53FE8E305E" blockId="27.[151,1437,151,1365]" pageId="27" pageNumber="28">
Differences to 
<taxonomicName id="4C394D42C002463BFE8DFD52FE3E31AB" box="[370,461,657,680]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="27" pageNumber="28" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C002463BFE8DFD52FE3E31AB" box="[370,461,657,680]" italics="true" pageId="27" pageNumber="28">N. nana</emphasis>
</taxonomicName>
are the much larger height (H 
<quantity id="4CC19B24C002463BFCC9FD53FC7431AA" box="[822,903,656,681]" metricMagnitude="-2" metricUnit="m" metricValue="5.6" pageId="27" pageNumber="28" unit="cm" value="5.6">5.6 cm</quantity>
) and a more subrectangular shape, with a less twisted umbo (thus also a broader and less curved ligament area). The RV is dorsally nearly smooth, plain, occasionally covered by concentrically arranged small pustules, followed ventrally by growth lamellae (Fig. 11.3, 6–7). A well-developed anterior to nearly central carina separates a much broader area of towering commarginal growth laminae (Fig. 11.7). The LV is less inflated than in 
<taxonomicName id="4C394D42C002463BFCAAFCE2FC41303B" box="[853,946,801,824]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="27" pageNumber="28" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C002463BFCAAFCE2FC41303B" box="[853,946,801,824]" italics="true" pageId="27" pageNumber="28">N. nana</emphasis>
</taxonomicName>
and covered by strong concentric growth squamae (Fig. 11.5).
</paragraph>
<paragraph id="8B8636C1C002463BFF38FCAAFDE630EE" blockId="27.[151,1437,151,1365]" pageId="27" pageNumber="28">
<taxonomicName id="4C394D42C002463BFF38FCAAFEC43083" box="[199,311,873,896]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="27" pageNumber="28" phylum="Mollusca" rank="genus">
<emphasis id="B94DEAD3C002463BFF38FCAAFEC43083" box="[199,311,873,896]" italics="true" pageId="27" pageNumber="28">Nanogyra</emphasis>
</taxonomicName>
? 
<taxonomicName id="4C394D42C002463BFEB5FCAAFDD63082" box="[330,549,872,897]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="27" pageNumber="28" phylum="Mollusca" rank="species" species="roederi" subGenus="Nanogyra">
(
<emphasis id="B94DEAD3C002463BFEACFCAAFE303083" box="[339,451,873,896]" italics="true" pageId="27" pageNumber="28">Nanogyra</emphasis>
) 
<emphasis id="B94DEAD3C002463BFE2BFCABFDD63082" box="[468,549,872,897]" italics="true" pageId="27" pageNumber="28">roederi</emphasis>
</taxonomicName>
(de Loriol, 1904) (p. 254, pl. 25, figs. 14–21)— 
<bibRefCitation id="EFA84B30C002463BFBC4FCABFB283082" author="Roeder" box="[1083,1243,872,897]" pageId="27" pageNumber="28" refString="Roeder, H. A. (1882) Beitrag zur Kenntnis des Terrain a Chailles und seiner Zweischaler in der Umgebung von Pfirt im Ober- Elsass. R. Schultz &amp; Comp., Strassburg, 110 pp." type="book" year="1882">Roeder (1882</bibRefCitation>
, p. 36, pl. 1, figs. 3a–d, pl. 2, fig. 1) discovered the species in the “Terrain à Chailles” (Lower Oxfordian) near Ferrette (= Pfirt, Alsace, 
<collectingCountry id="F32E7651C002463BFF0CFC72FEB230CA" box="[243,321,945,969]" name="France" pageId="27" pageNumber="28">France</collectingCountry>
) but identified it as “ 
<taxonomicName id="4C394D42C002463BFDC7FC72FC7430CA" authority="Goldfuss" authorityName="Goldfuss" box="[568,903,944,969]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="27" pageNumber="28" phylum="Mollusca" rank="species" species="reniformis">
<emphasis id="B94DEAD3C002463BFDC7FC72FCE030CA" box="[568,787,945,969]" italics="true" pageId="27" pageNumber="28">Exogyra reniformis</emphasis>
Goldfuss
</taxonomicName>
”. The species is also present in the Lower and Middle Oxfordian of 
<collectingCountry id="F32E7651C002463BFE78FC17FDE230EE" box="[391,529,980,1005]" name="Switzerland" pageId="27" pageNumber="28">Switzerland</collectingCountry>
.
</paragraph>
<paragraph id="8B8636C1C002463BFF38FC3AFDD537C7" blockId="27.[151,1437,151,1365]" pageId="27" pageNumber="28">
<collectingCountry id="F32E7651C002463BFF38FC3AFF1B3713" box="[199,232,1017,1040]" name="South Georgia and the South Sandwich Islands" pageId="27" pageNumber="28">De</collectingCountry>
Loriol’s species is almost homeomorphous to 
<taxonomicName id="4C394D42C002463BFCE0FC3AFC8C3713" box="[799,895,1017,1040]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="27" pageNumber="28" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C002463BFCE0FC3AFC8C3713" box="[799,895,1017,1040]" italics="true" pageId="27" pageNumber="28">N. nana</emphasis>
</taxonomicName>
. However, it differs by a slightly protruding anterodorsal auricle, the lack of commarginal growth crests on the RV where the anterior area with steep towering growth laminae/crests is narrower in 
<taxonomicName id="4C394D42C002463BFDC4FB82FD5E375A" box="[571,685,1088,1113]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="27" pageNumber="28" phylum="Mollusca" rank="species" species="roederi">
<emphasis id="B94DEAD3C002463BFDC4FB82FD5E375A" box="[571,685,1088,1113]" italics="true" pageId="27" pageNumber="28">N. roederi</emphasis>
</taxonomicName>
than in 
<emphasis id="B94DEAD3C002463BFCF4FB82FC9F375B" box="[779,876,1089,1112]" italics="true" pageId="27" pageNumber="28">
<taxonomicName id="4C394D42C002463BFCF4FB82FC9A375B" box="[779,873,1089,1112]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="27" pageNumber="28" phylum="Mollusca" rank="species" species="nana">N. nana</taxonomicName>
.
</emphasis>
The laminae themselves are also thinner and less numerous (
<emphasis id="B94DEAD3C002463BFEE7FBA5FECA377E" box="[280,313,1126,1149]" italics="true" pageId="27" pageNumber="28">ca.</emphasis>
8 for 
<taxonomicName id="4C394D42C002463BFE7CFBA5FE04377E" box="[387,503,1124,1149]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="27" pageNumber="28" phylum="Mollusca" rank="species" species="roederi">
<emphasis id="B94DEAD3C002463BFE7CFBA5FE04377E" box="[387,503,1124,1149]" italics="true" pageId="27" pageNumber="28">N. roederi</emphasis>
</taxonomicName>
versus 10–20 for 
<taxonomicName id="4C394D42C002463BFD35FBA5FCD7377E" box="[714,804,1126,1149]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="27" pageNumber="28" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C002463BFD35FBA5FCD7377E" box="[714,804,1126,1149]" italics="true" pageId="27" pageNumber="28">N. nana</emphasis>
</taxonomicName>
). Further differences are a smaller and more anteriorly located attachment area for 
<taxonomicName id="4C394D42C002463BFE2EFB4AFDB037A2" box="[465,579,1160,1185]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="27" pageNumber="28" phylum="Mollusca" rank="species" species="roederi">
<emphasis id="B94DEAD3C002463BFE2EFB4AFDB037A2" box="[465,579,1160,1185]" italics="true" pageId="27" pageNumber="28">N. roederi</emphasis>
</taxonomicName>
and a larger, more dorsally situated PAM of the RV. Presence or absence of chomata is unknown for 
<taxonomicName id="4C394D42C002463BFE52FB6DFDEC37C6" box="[429,543,1196,1221]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="27" pageNumber="28" phylum="Mollusca" rank="species" species="roederi">
<emphasis id="B94DEAD3C002463BFE52FB6DFDEC37C6" box="[429,543,1196,1221]" italics="true" pageId="27" pageNumber="28">N. roederi</emphasis>
</taxonomicName>
.
</paragraph>
<paragraph id="8B8636C1C002463BFF38FB12FBE0360E" blockId="27.[151,1437,151,1365]" pageId="27" pageNumber="28">
<taxonomicName id="4C394D42C002463BFF38FB12FD7D37EA" authority="Cox, 1952" authorityName="Cox" authorityYear="1952" box="[199,654,1232,1257]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="27" pageNumber="28" phylum="Mollusca" rank="species" species="tramauensis" subGenus="Nanogyra">
<emphasis id="B94DEAD3C002463BFF38FB12FEC437EB" box="[199,311,1233,1256]" italics="true" pageId="27" pageNumber="28">Nanogyra</emphasis>
(
<emphasis id="B94DEAD3C002463BFEB7FB12FE9037EB" box="[328,355,1233,1256]" italics="true" pageId="27" pageNumber="28">N.</emphasis>
) 
<emphasis id="B94DEAD3C002463BFE8BFB12FE0E37EB" box="[372,509,1233,1256]" italics="true" pageId="27" pageNumber="28">tramauensis</emphasis>
(
<bibRefCitation id="EFA84B30C002463BFDF2FB12FD7637EA" author="Cox" box="[525,645,1232,1257]" pageId="27" pageNumber="28" refString="Cox, L. R. (1952) The Jurassic lamellibranch fauna of Cutch (Kachh). No. 3, Families Pectinidae, Amusiidae, Plicatulidae, Limidae, Ostreidae and Trigoniidae (Supplement). Memoirs of the Geological Survey of India, Palaeontologica Indica, Series 9, 3 (4), 1 - 128." type="journal article" year="1952">Cox, 1952</bibRefCitation>
)
</taxonomicName>
(p. 94, pl. 10, figs. 5a–c, 6a–c)—This is a large, auriform species of 
<taxonomicName id="4C394D42C002463BFF68FB35FEF4360E" box="[151,263,1270,1293]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="27" pageNumber="28" phylum="Mollusca" rank="genus">
<emphasis id="B94DEAD3C002463BFF68FB35FEF4360E" box="[151,263,1270,1293]" italics="true" pageId="27" pageNumber="28">Nanogyra</emphasis>
</taxonomicName>
from the Lower Oxfordian of western 
<collectingCountry id="F32E7651C002463BFD44FB37FD06360E" box="[699,757,1268,1293]" name="India" pageId="27" pageNumber="28">India</collectingCountry>
(Tramau, Kutch district).
</paragraph>
<paragraph id="8B8636C1C002463BFF68FADBFAED3656" blockId="27.[151,1437,151,1365]" pageId="27" pageNumber="28">
Differences to 
<taxonomicName id="4C394D42C002463BFEBBFADAFE523633" box="[324,417,1305,1328]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="27" pageNumber="28" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C002463BFEBBFADAFE523633" box="[324,417,1305,1328]" italics="true" pageId="27" pageNumber="28">N. nana</emphasis>
</taxonomicName>
are the more subrectangular shape, a larger adult size (H 
<quantity id="4CC19B24C002463BFBAEFADBFB573633" box="[1105,1188,1304,1329]" metricMagnitude="-2" metricUnit="m" metricValue="5.5" pageId="27" pageNumber="28" unit="cm" value="5.5">5.5 cm</quantity>
, L 
<quantity id="4CC19B24C002463BFB30FADAFAD13633" box="[1231,1314,1305,1329]" metricMagnitude="-2" metricUnit="m" metricValue="4.3" pageId="27" pageNumber="28" unit="cm" value="4.3">4.3 cm</quantity>
, I 
<quantity id="4CC19B24C002463BFABAFADAFA6B3633" box="[1349,1432,1305,1329]" metricMagnitude="-2" metricUnit="m" metricValue="2.4" pageId="27" pageNumber="28" unit="cm" value="2.4">2.4 cm</quantity>
, dimensions of 
<typeStatus id="54828863C002463BFEC3FAFFFE503656" box="[316,419,1340,1365]" pageId="27" pageNumber="28" type="holotype">holotype</typeStatus>
), a less curved umbo and a convex RV without any concentric growth lamellae.
</paragraph>
<caption id="DF466649C002463BFF68F8F8FBEA34C8" httpUri="https://zenodo.org/record/288046/files/figure.png" pageId="27" pageNumber="28" targetBox="[151,1436,1433,1811]" targetPageId="27">
<paragraph id="8B8636C1C002463BFF68F8F8FBEA34C8" blockId="27.[151,1436,1851,1995]" pageId="27" pageNumber="28">
<emphasis id="B94DEAD3C002463BFF68F8F8FEEF3452" bold="true" box="[151,284,1851,1873]" pageId="27" pageNumber="28">FIGURE 12</emphasis>
. 
<taxonomicName id="4C394D42C002463BFED3F8FFFE623452" authority="Palaeogyra" authorityName="Palaeogyra" box="[300,401,1852,1873]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="27" pageNumber="28" phylum="Mollusca" rank="genus">
<emphasis id="B94DEAD3C002463BFED3F8FFFE623452" box="[300,401,1852,1873]" italics="true" pageId="27" pageNumber="28">Nanogyra</emphasis>
</taxonomicName>
? 
<taxonomicName id="4C394D42C002463BFE59F8F8FCB03452" authority="Stefanini, 1925" authorityName="Stefanini" authorityYear="1925" box="[422,835,1851,1873]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="27" pageNumber="28" phylum="Mollusca" rank="species" species="fourtaui" subGenus="Palaeogyra">
(
<emphasis id="B94DEAD3C002463BFE50F8F8FDD63452" box="[431,549,1851,1873]" italics="true" pageId="27" pageNumber="28">Palaeogyra</emphasis>
) 
<emphasis id="B94DEAD3C002463BFDC8F8F8FD7A3452" box="[567,649,1851,1873]" italics="true" pageId="27" pageNumber="28">fourtaui</emphasis>
(Stefanini, 1925)
</taxonomicName>
, Antalo Limestone, Mekele Outlier of northern Ethiopia, Oxfordian. 
<emphasis id="B94DEAD3C002463BFEF0F899FEC63473" bold="true" box="[271,309,1882,1904]" pageId="27" pageNumber="28">1–5</emphasis>
. Refigured after original photographs of Kiessling 
<emphasis id="B94DEAD3C002463BFCA9F898FC7E3473" box="[854,909,1882,1904]" italics="true" pageId="27" pageNumber="28">et al.</emphasis>
2011, determined as 
<taxonomicName id="4C394D42C002463BFB8BF898FAE43473" box="[1140,1303,1883,1904]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="27" pageNumber="28" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C002463BFB8BF898FAE43473" box="[1140,1303,1883,1904]" italics="true" pageId="27" pageNumber="28">Nanogyra nana</emphasis>
</taxonomicName>
: 
<emphasis id="B94DEAD3C002463BFAD7F899FAC73473" bold="true" box="[1320,1332,1882,1904]" pageId="27" pageNumber="28">1</emphasis>
, bivalved specimen, RV lateral (= Kiessling 
<emphasis id="B94DEAD3C002463BFE0BF8BAFDDB348D" box="[500,552,1912,1934]" italics="true" pageId="27" pageNumber="28">et al.</emphasis>
2011, text-fig. 13-I-left), PaleoDB 93860 (MB.M.8125.1); 
<emphasis id="B94DEAD3C002463BFB7BF8BBFB62348D" bold="true" box="[1156,1169,1912,1934]" pageId="27" pageNumber="28">2</emphasis>
, same, LV (= text-fig. 13- I-right); 
<emphasis id="B94DEAD3C002463BFF0FF854FF0E34AE" bold="true" box="[240,253,1943,1965]" pageId="27" pageNumber="28">3</emphasis>
, same, magnified portion of RV; 
<emphasis id="B94DEAD3C002463BFDA2F854FD9934AE" bold="true" box="[605,618,1943,1965]" pageId="27" pageNumber="28">4</emphasis>
, bivalved specimen, RV (= Kiessling 
<emphasis id="B94DEAD3C002463BFC05F85BFBC334AE" box="[1018,1072,1943,1965]" italics="true" pageId="27" pageNumber="28">et al.</emphasis>
2011, text-fig. 13-J-left), PaleoDB 93860 (MB.M.8125.2.); 
<emphasis id="B94DEAD3C002463BFE6EF876FE6D34C8" bold="true" box="[401,414,1973,1995]" pageId="27" pageNumber="28">5</emphasis>
, same, LV (= text-fig. 13-J-right). Scale bars 2 mm and 5 mm.
</paragraph>
</caption>
<paragraph id="8B8636C1C005463CFF38FF5AFB293243" blockId="28.[151,1437,151,968]" pageId="28" pageNumber="29">
<taxonomicName id="4C394D42C005463CFF38FF5AFEC433B3" box="[199,311,153,176]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="28" pageNumber="29" phylum="Mollusca" rank="genus">
<emphasis id="B94DEAD3C005463CFF38FF5AFEC433B3" box="[199,311,153,176]" italics="true" pageId="28" pageNumber="29">Nanogyra</emphasis>
</taxonomicName>
(
<emphasis id="B94DEAD3C005463CFEB7FF54FE3833B3" box="[328,459,151,176]" italics="true" pageId="28" pageNumber="29">Palaeogyra</emphasis>
?) 
<taxonomicName id="4C394D42C005463CFE16FF5BFCF933B3" authority="Stefanini, 1925" authorityName="Stefanini" authorityYear="1925" box="[489,778,151,176]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="28" pageNumber="29" phylum="Mollusca" rank="species" species="fourtaui">
<emphasis id="B94DEAD3C005463CFE16FF5BFDB033B3" box="[489,579,152,176]" italics="true" pageId="28" pageNumber="29">fourtaui</emphasis>
(
<bibRefCitation id="EFA84B30C005463CFDACFF54FCF233B3" author="Stefanini" box="[595,769,151,176]" pageId="28" pageNumber="29" refString="Stefanini, G. (1925) Description of fossils from South Arabia and British Somaliland. In: Little, O. H. (Ed.), The geography and geology of Makalla (South Arabia). Geological Survey of Egypt, pp. 143 - 221." type="book chapter" year="1925">Stefanini, 1925</bibRefCitation>
)
</taxonomicName>
(p. 168, pl. 39, fig. 3)—This small species was originally described from the Callovian and Oxfordian of 
<collectingCountry id="F32E7651C005463CFD42FF7FFCEE33D6" box="[701,797,188,213]" name="Somalia" pageId="28" pageNumber="29">Somalia</collectingCountry>
. The species was recently synonymized with 
<taxonomicName id="4C394D42C005463CFAD3FF7EFEF033FB" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="28" pageNumber="29" phylum="Mollusca" rank="species" species="nana" subGenus="Nanogyra">
<emphasis id="B94DEAD3C005463CFAD3FF7EFA6F33D7" box="[1324,1436,189,212]" italics="true" pageId="28" pageNumber="29">Nanogyra</emphasis>
(
<emphasis id="B94DEAD3C005463CFF5FFF22FF4933FB" box="[160,186,225,248]" italics="true" pageId="28" pageNumber="29">N.</emphasis>
) 
<emphasis id="B94DEAD3C005463CFF34FF22FEF033FB" box="[203,259,225,248]" italics="true" pageId="28" pageNumber="29">nana</emphasis>
</taxonomicName>
(see 
<bibRefCitation id="EFA84B30C005463CFEBFFF1CFDDF33FB" author="Kiessling" box="[320,556,223,248]" pageId="28" pageNumber="29" refString="Kiessling, W. Pandey, D. K., Schemm-Gregory, M., Mewis, H. &amp; Aberhan, M. (2011) Marine benthic invertebrates from the Upper Jurassic of northern Ethiopia and their biogeographic affinities. Journal of African Earth Sciences, 59, 195 - 214. http: // dx. doi. org / 10.1016 / j. jafrearsci. 2010.10.006" type="journal article" year="2011">
Kiessling 
<emphasis id="B94DEAD3C005463CFE4DFF22FE1833FB" box="[434,491,223,248]" italics="true" pageId="28" pageNumber="29">et al.</emphasis>
2011
</bibRefCitation>
, p. 210; text-fig. 13, figs. I–J). However, this view is difficult to hold up after comparing the European 
<taxonomicName id="4C394D42C005463CFE4FFEC6FDFA321F" box="[432,521,261,284]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="28" pageNumber="29" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C005463CFE4FFEC6FDFA321F" box="[432,521,261,284]" italics="true" pageId="28" pageNumber="29">N. nana</emphasis>
</taxonomicName>
with Stefanini’s original figures and with Kiessling 
<emphasis id="B94DEAD3C005463CFBAEFEC6FB72321E" box="[1105,1153,260,285]" italics="true" pageId="28" pageNumber="29">et al</emphasis>
.’s figured images, which were kindly re-photographed at higher magnifications by M. Aberhan (NM Berlin) (Fig. 12.1–5).
</paragraph>
<paragraph id="8B8636C1C005463CFF38FE8FFDF23163" blockId="28.[151,1437,151,968]" pageId="28" pageNumber="29">
The left valve of 
<taxonomicName id="4C394D42C005463CFE73FE8EFDF43267" box="[396,519,332,356]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="28" pageNumber="29" phylum="Mollusca" rank="species" species="fourtaui">
<emphasis id="B94DEAD3C005463CFE73FE8EFDF43267" box="[396,519,332,356]" italics="true" pageId="28" pageNumber="29">N. fourtaui</emphasis>
</taxonomicName>
tends to have a very small attachment scar, a remarkably pointed umbo which is much less opisthogyrate, and a much stronger posterior curvature than 
<taxonomicName id="4C394D42C005463CFC4EFEB2FBF9328B" box="[945,1034,369,392]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="28" pageNumber="29" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C005463CFC4EFEB2FBF9328B" box="[945,1034,369,392]" italics="true" pageId="28" pageNumber="29">N. nana</emphasis>
</taxonomicName>
. Also, the posterior flank of the RV is pronouncedly concave and its surface lacks the shallow terrace-like growth steps of the European species. In addition, the surface shows some widely spaced minute antimarginal riblets on the posteroventral portion which have never been found on any European 
<taxonomicName id="4C394D42C005463CFD9AFE1EFD4D32F7" box="[613,702,477,500]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="28" pageNumber="29" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C005463CFD9AFE1EFD4D32F7" box="[613,702,477,500]" italics="true" pageId="28" pageNumber="29">N. nana</emphasis>
</taxonomicName>
(Fig. 12.3). In fact, both characters would be more typical of the subgenus 
<emphasis id="B94DEAD3C005463CFEF9FDC2FED2311B" box="[262,289,513,536]" italics="true" pageId="28" pageNumber="29">N.</emphasis>
(
<emphasis id="B94DEAD3C005463CFECEFE3CFE47311B" box="[305,436,511,536]" italics="true" pageId="28" pageNumber="29">Palaeogyra</emphasis>
). However, this cannot be ascertained without demonstrating the presence of chomata in the Somalian species. Unfortunately, all published images show tightly articulated shells so that internal characters of this species remain unknown.
</paragraph>
<paragraph id="8B8636C1C005463CFF38FDAEFF2C303B" blockId="28.[151,1437,151,968]" pageId="28" pageNumber="29">
<taxonomicName id="4C394D42C005463CFF38FDAEFD2B3187" authority="Jourdy, 1924" authorityName="Jourdy" authorityYear="1924" box="[199,728,620,645]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="28" pageNumber="29" phylum="Mollusca" rank="species" species="welschi" subGenus="Palaeogyra">
<emphasis id="B94DEAD3C005463CFF38FDAEFEC43187" box="[199,311,621,644]" italics="true" pageId="28" pageNumber="29">Nanogyra</emphasis>
(
<emphasis id="B94DEAD3C005463CFEB8FDAFFE393186" box="[327,458,620,645]" italics="true" pageId="28" pageNumber="29">Palaeogyra</emphasis>
) 
<emphasis id="B94DEAD3C005463CFE25FDAFFDDD3186" box="[474,558,620,645]" italics="true" pageId="28" pageNumber="29">welschi</emphasis>
(
<bibRefCitation id="EFA84B30C005463CFDC3FDAFFD3C3187" author="Jourdy" box="[572,719,620,645]" pageId="28" pageNumber="29" refString="Jourdy, E. (1924) Histoire naturelle des Exogyres. Annales de Paleontologie, 13, 1 - 104." type="journal article" year="1924">Jourdy, 1924</bibRefCitation>
)
</taxonomicName>
(p. 70; pl. 2, fig. V.s.; pl. 6, fig. 7; pl. 8, fig. 11o)—The species was originally described from the Lower Kimmeridgian of Tout-y-Faut (north of Saint-Jean-d’Angély, Charente- Maritime) in 
<collectingCountry id="F32E7651C005463CFEC9FD76FE7531CF" box="[310,390,693,716]" name="France" pageId="28" pageNumber="29">France</collectingCountry>
. Eight 
<typeStatus id="54828863C005463CFE21FD76FDB331CE" box="[478,576,693,717]" pageId="28" pageNumber="29" type="syntype">syntypes</typeStatus>
are preserved in the Muséum national d’Histoire naturelle in Paris (No. MNHN.F.R52857). 
<taxonomicName id="4C394D42C005463CFE83FD1AFCE931F3" authority="Schmidt, 1905" authorityName="Schmidt" authorityYear="1905" box="[380,794,727,752]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="28" pageNumber="29" phylum="Mollusca" rank="species" species="gumprechti">
<emphasis id="B94DEAD3C005463CFE83FD1AFD9631F3" box="[380,613,727,752]" italics="true" pageId="28" pageNumber="29">Exogyra gumprechti</emphasis>
<bibRefCitation id="EFA84B30C005463CFD8EFD14FCE931F3" author="Schmidt" box="[625,794,727,752]" pageId="28" pageNumber="29" refString="Schmidt, M. (1905) Uber Oberen Jura in Pommern. Beitrage zur Stratigraphie und Palaontologie. Abhandlungen der Koniglich Preußischen Geologischen Landesanstalt und Bergakademie, Neue Folge, 41, 1 - 222." type="journal article" year="1905">Schmidt, 1905</bibRefCitation>
</taxonomicName>
(p. 161, pl. 6, figs. 2–5) from the Lower and Middle Kimmeridgian of Pomerania (NW 
<collectingCountry id="F32E7651C005463CFDE4FD3FFD983016" box="[539,619,764,789]" name="Poland" pageId="28" pageNumber="29">Poland</collectingCountry>
) seems to be a widely overlooked senior synonym (
<bibRefCitation id="EFA84B30C005463CFB55FD3FFAB23017" author="Deecke" box="[1194,1345,764,789]" pageId="28" pageNumber="29" refString="Deecke, W. (1907) Geologie von Pommern. Gebruder Borntraeger, Berlin, 302 pp." type="book" year="1907">Deecke 1907</bibRefCitation>
; 
<bibRefCitation id="EFA84B30C005463CFAB2FD3EFF20303B" author="Krause" pageId="28" pageNumber="29" refString="Krause, P. G. (1908) Uber Dilivium, Tertiar, Kreide und Jura in der Heilsberger Tiefbohrung. Jahrbuch der Koniglich Preussischen Geologischen Landesanstalt und Bergakademie zu Berlin, 28, 185 - 326." type="journal article" year="1908">Krause 1908</bibRefCitation>
).
</paragraph>
<paragraph id="8B8636C1C005463CFF38FC87FC0630C4" blockId="28.[151,1437,151,968]" pageId="28" pageNumber="29">
The species is of similar shape and size as 
<taxonomicName id="4C394D42C005463CFD4EFC86FCF8305F" box="[689,779,837,860]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="28" pageNumber="29" phylum="Mollusca" rank="species" species="nana">
<emphasis id="B94DEAD3C005463CFD4EFC86FCF8305F" box="[689,779,837,860]" italics="true" pageId="28" pageNumber="29">N. nana</emphasis>
</taxonomicName>
but possesses chomata (
<bibRefCitation id="EFA84B30C005463CFBDDFC87FD6C3083" author="Pugaczewska" pageId="28" pageNumber="29" refString="Pugaczewska, H. (1971) Jurassic Ostreidae of Poland. Acta Palaeontologica Polonica, 16 (3), 195 - 311." type="journal article" year="1971" yearSuffix="p">Pugaczewska 1971, p. 294; pl. 1, figs. 2, 6; pl. 33, figs. 1–5; pl. 34, figs. 1–3</bibRefCitation>
). It also differs by having a less curved and more pointed umbo, antimarginal riblets and furrows on the LV, and usually a nearly smooth RV with a weakly developed anterior carina and without upturning commarginal growth crests of the anterior area.
</paragraph>
</subSubSection>
</treatment>
</document>