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146 lines
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<document id="BC1D60BB5FC7C1863E455919073B2609" 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="039087D7C005463CFF68FBDFFD7335D7" 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 (Palaeogyra) Mirkamalov 1963" 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="29" updateTime="1698566318747" updateUser="plazi">
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<mods:title id="5189300C1BCFB7884CCA4841EEB4043A">Revision of the Bivalvia from the Upper Jurassic Reuchenette Formation, Northwest Switzerland — Ostreoidea</mods:title>
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<mods:namePart id="DEA493D482F264C640EEDBB0D7F3FD1B">Koppka, Jens</mods:namePart>
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<mods:typeOfResource id="E20481C831071BCC9D3D478CD42B93B6">text</mods:typeOfResource>
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<mods:title id="F6EC6121E96B700F0D3B84D3801CC218">Zootaxa</mods:title>
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<mods:date id="F0420B5E34D7FAB0C4EB63406BDDDF76">2015</mods:date>
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<mods:detail id="8A909B806C4364E478DE2215B2531E75" type="volume">
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<mods:number id="612F44DC516637B5BFDBAA30B3402928">3927</mods:number>
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<mods:identifier id="1788B5C78507F8974251758E4D7B05BA" type="DOI">10.11646/zootaxa.3927.1.1</mods:identifier>
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<mods:identifier id="A6EB9CCDE713E39CE79F0E5E163FACC7" type="ISSN">1175-5326</mods:identifier>
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<treatment id="039087D7C005463CFF68FBDFFD7335D7" ID-DOI="http://doi.org/10.5281/zenodo.6102696" ID-GBIF-Taxon="119599565" ID-Zenodo-Dep="6102696" LSID="urn:lsid:plazi:treatment:039087D7C005463CFF68FBDFFD7335D7" httpUri="http://treatment.plazi.org/id/039087D7C005463CFF68FBDFFD7335D7" lastPageNumber="29" pageId="28" pageNumber="29">
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<subSubSection id="C323654AC005463CFF68FBDFFCED3735" box="[151,798,1052,1078]" pageId="28" pageNumber="29" type="nomenclature">
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<paragraph id="8B8636C1C005463CFF68FBDFFCED3735" blockId="28.[151,798,1052,1078]" box="[151,798,1052,1078]" pageId="28" pageNumber="29">
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<heading id="D0CE81ADC005463CFF68FBDFFCED3735" bold="true" box="[151,798,1052,1078]" fontSize="11" level="1" pageId="28" pageNumber="29" reason="1">
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<emphasis id="B94DEAD3C005463CFF68FBDFFCED3735" bold="true" box="[151,798,1052,1078]" pageId="28" pageNumber="29">
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Subgenus
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<taxonomicName id="4C394D42C005463CFEE8FBDFFCED3735" authority="Mirkamalov, 1963" authorityName="Mirkamalov" authorityYear="1963" box="[279,798,1052,1078]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="28" pageNumber="29" phylum="Mollusca" rank="subGenus" subGenus="Palaeogyra">
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<emphasis id="B94DEAD3C005463CFEE8FBDFFE7C3735" bold="true" box="[279,399,1052,1078]" italics="true" pageId="28" pageNumber="29">Nanogyra</emphasis>
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(
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<emphasis id="B94DEAD3C005463CFE5FFBDFFDDA3735" bold="true" box="[416,553,1052,1078]" italics="true" pageId="28" pageNumber="29">Palaeogyra</emphasis>
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)
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<bibRefCitation id="EFA84B30C005463CFDC5FBDFFCED3735" author="Mirkamalov" box="[570,798,1052,1078]" pageId="28" pageNumber="29" refString="Mirkamalov, K. K. (1963) Klassifikatsiya ekzogir (Classification of the exogyras). Byulleten' Moskovskogo Obshchestvo Ispytateley Prirody (Bulletin of the Moscow Society of Naturalists), Novaya Seriya (new series), v. 68, Otdel Geologicheskiy (geological branch), 38 (5), 152 - 153. [in Russian]" type="journal article" year="1963">Mirkamalov, 1963</bibRefCitation>
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</taxonomicName>
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</emphasis>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="C323654AC005463CFF68FBA1FD993794" pageId="28" pageNumber="29" type="materials_examined">
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<paragraph id="8B8636C1C005463CFF68FBA1FD993794" blockId="28.[151,1436,1122,1175]" pageId="28" pageNumber="29">
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<emphasis id="B94DEAD3C005463CFF68FBA1FEED377B" bold="true" box="[151,286,1122,1144]" pageId="28" pageNumber="29">
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<typeStatus id="54828863C005463CFF68FBA1FF3F377B" box="[151,204,1122,1144]" pageId="28" pageNumber="29">Type</typeStatus>
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species
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</emphasis>
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.
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<taxonomicName id="4C394D42C005463CFED3FBA0FD97377B" authority="Goldfuss, 1833" authorityName="Goldfuss" authorityYear="1833" box="[300,612,1122,1144]" class="Bivalvia" family="Ostreidae" genus="Ostrea" kingdom="Animalia" order="Ostreoida" pageId="28" pageNumber="29" phylum="Mollusca" rank="species" species="virgula">
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<emphasis id="B94DEAD3C005463CFED3FBA0FE4C377B" box="[300,447,1122,1144]" italics="true" pageId="28" pageNumber="29">Ostrea virgula</emphasis>
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Goldfuss, 1833
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</taxonomicName>
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(b) [=
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<taxonomicName id="4C394D42C005463CFD59FBA0FBEA377B" authority="Deshayes, 1831" authorityName="Deshayes" authorityYear="1831" box="[678,1049,1122,1144]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="28" pageNumber="29" phylum="Mollusca" rank="species" species="virgula">
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<emphasis id="B94DEAD3C005463CFD59FBA0FCA8377B" box="[678,859,1122,1144]" italics="true" pageId="28" pageNumber="29">Nanogyra virgula</emphasis>
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(
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<bibRefCitation id="EFA84B30C005463CFC95FBA1FBE2377B" author="Deshayes" box="[874,1041,1122,1144]" pageId="28" pageNumber="29" refString="Deshayes, G. P. (1831) Description des coquilles caracteristiques des terrains. F. G. Levrault, Strasbourg, 264 pp." type="book" year="1831">Deshayes, 1831</bibRefCitation>
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)
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</taxonomicName>
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], original designation by
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<bibRefCitation id="EFA84B30C005463CFAE0FBA1FEAA3794" author="Mirkamalov" pageId="28" pageNumber="29" refString="Mirkamalov, K. K. (1963) Klassifikatsiya ekzogir (Classification of the exogyras). Byulleten' Moskovskogo Obshchestvo Ispytateley Prirody (Bulletin of the Moscow Society of Naturalists), Novaya Seriya (new series), v. 68, Otdel Geologicheskiy (geological branch), 38 (5), 152 - 153. [in Russian]" type="journal article" year="1963" yearSuffix="p">Mirkamalov (1963, p. 152)</bibRefCitation>
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; Upper Jurassic,
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<collectingCountry id="F32E7651C005463CFDF9FB42FD953794" box="[518,614,1153,1175]" name="Germany" pageId="28" pageNumber="29">Germany</collectingCountry>
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.
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</paragraph>
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</subSubSection>
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<subSubSection id="C323654AC005463CFF68FB07FD7335D7" pageId="28" pageNumber="29" type="discussion">
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<paragraph id="8B8636C1C005463CFF68FB07FD54366E" blockId="28.[151,1437,1220,1749]" pageId="28" pageNumber="29">
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<emphasis id="B94DEAD3C005463CFF68FB07FEF737DE" bold="true" box="[151,260,1220,1245]" pageId="28" pageNumber="29">Remarks</emphasis>
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.
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<bibRefCitation id="EFA84B30C005463CFEE4FB07FE0C37DE" author="Mirkamalov" box="[283,511,1220,1245]" pageId="28" pageNumber="29" refString="Mirkamalov, K. K. (1963) Klassifikatsiya ekzogir (Classification of the exogyras). Byulleten' Moskovskogo Obshchestvo Ispytateley Prirody (Bulletin of the Moscow Society of Naturalists), Novaya Seriya (new series), v. 68, Otdel Geologicheskiy (geological branch), 38 (5), 152 - 153. [in Russian]" type="journal article" year="1963">Mirkamalov (1963)</bibRefCitation>
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introduced
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<emphasis id="B94DEAD3C005463CFD68FB07FCE937DE" box="[663,794,1220,1245]" italics="true" pageId="28" pageNumber="29">Palaeogyra</emphasis>
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as a genus, unaware of
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<taxonomicName id="4C394D42C005463CFBA4FB06FA6B37DE" authority="Beurlen, 1958" authorityName="Beurlen" authorityYear="1958" box="[1115,1432,1220,1245]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="28" pageNumber="29" phylum="Mollusca" rank="genus">
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<emphasis id="B94DEAD3C005463CFBA4FB06FB3837DF" box="[1115,1227,1221,1244]" italics="true" pageId="28" pageNumber="29">Nanogyra</emphasis>
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(
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<bibRefCitation id="EFA84B30C005463CFB1CFB07FA6337DE" author="Beurlen" box="[1251,1424,1220,1245]" pageId="28" pageNumber="29" refString="Beurlen, K. (1958) Die Exogyren. Ein Beitrag zur phylogenetischen Morphogenese der Austern. Neues Jahrbuch fur Geologie und Palaontologie, Monatshefte, 5, 197 - 217." type="journal article" year="1958">Beurlen, 1958</bibRefCitation>
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)
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</taxonomicName>
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. Subsequently,
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<bibRefCitation id="EFA84B30C005463CFEC4FB24FE283603" author="Stenzel" box="[315,475,1255,1280]" pageId="28" pageNumber="29" refString="Stenzel, H. B. (1971) Oysters. In: Moore, R. C. (Eds.), Treatise on Invertebrate Paleontology. Part N, Mollusca 6 (Bivalvia). Vol. 3. Geological Society of America, University of Kansas, Boulder, pp. N 953 - N 1124." type="journal article" year="1971">Stenzel (1971</bibRefCitation>
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: N1121) regarded
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<emphasis id="B94DEAD3C005463CFD53FB24FCDC3603" box="[684,815,1255,1280]" italics="true" pageId="28" pageNumber="29">Palaeogyra</emphasis>
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as a junior synonym of
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<taxonomicName id="4C394D42C005463CFBBBFB2AFB473603" box="[1092,1204,1257,1280]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="28" pageNumber="29" phylum="Mollusca" rank="genus">
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<emphasis id="B94DEAD3C005463CFBBBFB2AFB473603" box="[1092,1204,1257,1280]" italics="true" pageId="28" pageNumber="29">Nanogyra</emphasis>
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</taxonomicName>
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. That view does not reflect the morphologic differences (ornamentation, chomata) within Jurassic
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<taxonomicName id="4C394D42C005463CFBFDFACFFB703626" box="[1026,1155,1292,1317]" class="Bivalvia" family="Gryphaeidae" kingdom="Animalia" order="Ostreoida" pageId="28" pageNumber="29" phylum="Mollusca" rank="subFamily" subFamily="Exogyrinae">Exogyrinae</taxonomicName>
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which diverged into two distinct lineages during the Middle and Upper Jurassic.
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<taxonomicName id="4C394D42C005463CFCFCFAF2FBFC364B" authority="Palaeogyra" authorityName="Palaeogyra" box="[771,1039,1327,1352]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="28" pageNumber="29" phylum="Mollusca" rank="genus">
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<emphasis id="B94DEAD3C005463CFCFCFAF2FBFC364B" box="[771,1039,1327,1352]" italics="true" pageId="28" pageNumber="29">Nanogyra (Palaeogyra)</emphasis>
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</taxonomicName>
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is here considered as a subgenus of
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<taxonomicName id="4C394D42C005463CFF68FA96FEF4366F" box="[151,263,1365,1388]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="28" pageNumber="29" phylum="Mollusca" rank="genus">
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<emphasis id="B94DEAD3C005463CFF68FA96FEF4366F" box="[151,263,1365,1388]" italics="true" pageId="28" pageNumber="29">Nanogyra</emphasis>
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</taxonomicName>
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for species with developed chomata.
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</paragraph>
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<paragraph id="8B8636C1C005463CFF38FAB4FDAD36DB" blockId="28.[151,1437,1220,1749]" pageId="28" pageNumber="29">
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<emphasis id="B94DEAD3C005463CFF38FAB4FE573693" bold="true" box="[199,420,1399,1424]" pageId="28" pageNumber="29">Original diagnosis</emphasis>
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. "Elongated bivalves, frequently curved, thin-shelled, lower shell with radial striations, upper shell smooth, plain. Upper Jurassic of Western Europe and the European part of
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<collectingCountry id="F32E7651C005463CFBA0FA5FFB4336B6" box="[1119,1200,1436,1461]" name="Russia" pageId="28" pageNumber="29">Russia</collectingCountry>
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." (
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<bibRefCitation id="EFA84B30C005463CFB35FA5FFF2D36DB" author="Mirkamalov" pageId="28" pageNumber="29" refString="Mirkamalov, K. K. (1963) Klassifikatsiya ekzogir (Classification of the exogyras). Byulleten' Moskovskogo Obshchestvo Ispytateley Prirody (Bulletin of the Moscow Society of Naturalists), Novaya Seriya (new series), v. 68, Otdel Geologicheskiy (geological branch), 38 (5), 152 - 153. [in Russian]" type="journal article" year="1963" yearSuffix="p">Mirkamalov 1963, p. 152</bibRefCitation>
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) (translated herein from Russian).
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</paragraph>
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<paragraph id="8B8636C1C005463CFF38FA27FD7335D7" blockId="28.[151,1437,1220,1749]" pageId="28" pageNumber="29">
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<emphasis id="B94DEAD3C005463CFF38FA27FE4936FE" bold="true" box="[199,442,1508,1533]" pageId="28" pageNumber="29">Emended diagnosis</emphasis>
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. Inequivalve,
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<taxonomicName id="4C394D42C005463CFD8CFA27FD3236FE" box="[627,705,1508,1533]" class="Bivalvia" family="Ostreidae" genus="Actinostreon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="28" pageNumber="29" phylum="Mollusca" rank="species" species="outline">outline</taxonomicName>
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virguliform or sickle-shaped (occasionally posteroventrally bilobate), oval or triangular; always opisthogyrate; degree of spirality variable but usually moderate; ligament area exogyroid, small and narrow, as for the genus; shell thin; microstructure as for the genus (
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<bibRefCitation id="EFA84B30C005463CFB82F9EFFAE43547" author="Siewert" box="[1149,1303,1580,1605]" pageId="28" pageNumber="29" 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>
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). Left valve flat to moderately convex; smooth or covered with fine antimarginal riblets or anteriorly with few antimarginal plicae; RV flat, nearly smooth, but antimarginals present; anterior carina absent, weak or distinctly developed; chomata always present in both valves. Species usually smaller than
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<quantity id="4CC19B24C005463CFC3BF95BFC0C35AC" box="[964,1023,1688,1712]" metricMagnitude="-2" metricUnit="m" metricValue="3.0" pageId="28" pageNumber="29" unit="cm" value="3.0">3 cm</quantity>
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(diagnosis based on
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<emphasis id="B94DEAD3C005463CFB04F95AFE4E35D7" italics="true" pageId="28" pageNumber="29">
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<taxonomicName id="4C394D42C005463CFB04F95AFA8035B3" box="[1275,1395,1687,1712]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="28" pageNumber="29" phylum="Mollusca" rank="species" species="virgula">N. virgula</taxonomicName>
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,
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<taxonomicName id="4C394D42C005463CFA7DF95AFEED35D6" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="28" pageNumber="29" phylum="Mollusca" rank="species" species="catalaunica">N. catalaunica</taxonomicName>
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,
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<taxonomicName id="4C394D42C005463CFED6F97EFE4E35D7" box="[297,445,1724,1748]" class="Bivalvia" family="Gryphaeidae" genus="Exogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ostreoida" pageId="28" pageNumber="29" phylum="Mollusca" rank="species" species="reniformis">N. reniformis</taxonomicName>
|
||
|
|
</emphasis>
|
||
|
|
, and
|
||
|
|
<taxonomicName id="4C394D42C005463CFE04F97EFD8335D6" box="[507,624,1724,1749]" class="Bivalvia" family="Gryphaeidae" genus="Nanogyra" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pterioida" pageId="28" pageNumber="29" phylum="Mollusca" rank="species" species="welschi">
|
||
|
|
<emphasis id="B94DEAD3C005463CFE04F97EFD8335D6" box="[507,624,1724,1749]" italics="true" pageId="28" pageNumber="29">N. welschi</emphasis>
|
||
|
|
</taxonomicName>
|
||
|
|
).
|
||
|
|
</paragraph>
|
||
|
|
</subSubSection>
|
||
|
|
</treatment>
|
||
|
|
</document>
|