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<document id="AD4FACAB1D9BB8EC36668D9FA2079CD8" ID-DOI="10.5252/zoosystema2018v40a7" ID-GBIF-Dataset="26ac6a51-9d0a-4cb0-8502-230b45cf66e6" ID-ISSN="1638-9387" ID-Zenodo-Dep="3738245" ID-ZooBank="urn:lsid:zoobank.org:pub:7652DEC7-3C6C-414F-AF2C-7C396D78F6F6" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1585839839409" checkinUser="felipe" docAuthor="Taylor, John D. &amp; Glover, Emily A." docDate="2018" docId="03858788FFC1F17AFC32FD724912FA9C" docLanguage="en" docName="zoosystema.40.7.123-142.pdf.imf" docOrigin="Zoosystema 40 (7)" docStyle="DocumentStyle:AFAF64E709DD7C8340B70A24A5804402.4:Zoosystema.2018-2019.journal_article" docStyleId="AFAF64E709DD7C8340B70A24A5804402" docStyleName="Zoosystema.2018-2019.journal_article" docStyleVersion="4" docTitle="Gibbolucina Cossmann 1904" docType="treatment" docVersion="6" lastPageNumber="127" masterDocId="FFBCFFF0FFC5F17CFF95FFEA4845FFF3" masterDocTitle="Hanging on - lucinid bivalve survivors from the Paleocene and Eocene in the western Indian Ocean (Bivalvia: Lucinidae)" masterLastPageNumber="142" masterPageNumber="123" pageNumber="125" updateTime="1698735025685" updateUser="plazi" zenodo-license-document="CC0-1.0" zenodo-license-figures="CC0-1.0" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="B9DBC8CBD2C32158C8CA68910968EA47">Hanging on - lucinid bivalve survivors from the Paleocene and Eocene in the western Indian Ocean (Bivalvia: Lucinidae)</mods:title>
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<mods:namePart id="96D1BA4A489A908FC1CBFA84ACA9680B">Taylor, John D.</mods:namePart>
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<mods:namePart id="18A174A3B575BC1FF410E4B94448E7D7">Glover, Emily A.</mods:namePart>
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<mods:title id="B7B753341E2161DBBE8B11C86F3A5F2C">Zoosystema</mods:title>
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<treatment id="03858788FFC1F17AFC32FD724912FA9C" ID-DOI="http://doi.org/10.5281/zenodo.3811345" ID-GBIF-Taxon="163421444" ID-Zenodo-Dep="3811345" LSID="urn:lsid:plazi:treatment:03858788FFC1F17AFC32FD724912FA9C" httpUri="http://treatment.plazi.org/id/03858788FFC1F17AFC32FD724912FA9C" lastPageId="6" lastPageNumber="127" pageId="4" pageNumber="125">
<subSubSection id="C3366515FFC1F178FC32FD724D71FD41" box="[935,1332,664,690]" pageId="4" pageNumber="125" type="nomenclature">
<paragraph id="8B93369EFFC1F178FC32FD724D71FD41" blockId="4.[935,1332,664,690]" box="[935,1332,664,690]" pageId="4" pageNumber="125">
<heading id="D0DB81F2FFC1F178FC32FD724D71FD41" box="[935,1332,664,690]" centered="true" fontSize="11" level="2" pageId="4" pageNumber="125" reason="2">
Genus
<taxonomicName id="4C2C4D1DFFC1F178FC61FD724D71FD41" ID-CoL="7P49V" authority="Cossmann, 1904" authorityName="Cossmann" authorityYear="1904" box="[1012,1332,664,690]" class="Bivalvia" family="Lucinidae" genus="Gibbolucina" higherTaxonomySource="CoL" kingdom="Animalia" order="Lucinida" pageId="4" pageNumber="125" phylum="Mollusca" rank="genus">
<emphasis id="B958EA8CFFC1F178FC61FD724C30FD41" box="[1012,1141,664,690]" italics="true" pageId="4" pageNumber="125">Gibbolucina</emphasis>
<bibRefCitation id="EFBD4B6FFFC1F178FBE9FD724D71FD41" author="COSSMANN M." box="[1148,1332,664,690]" pageId="4" pageNumber="125" pagination="149 - 213" refId="ref13229" refString="COSSMANN M. 1904. - Mollusques eoceniques de la Loire-Inferieure. Tome III, fasc. 1. Bulletin de la Societe des Sciences naturelles de l'Ouest de la France, 2 e ser. 4: 149 - 213." type="book chapter" year="1904">Cossmann, 1904</bibRefCitation>
</taxonomicName>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C3366515FFC1F178FCB8FD334DEAFD01" box="[813,1455,729,754]" pageId="4" pageNumber="125" type="reference_group">
<paragraph id="8B93369EFFC1F178FCB8FD334DEAFD01" blockId="4.[813,1455,729,754]" box="[813,1455,729,754]" pageId="4" pageNumber="125">
<taxonomicName id="4C2C4D1DFFC1F178FCB8FD334DEEFD01" authority="Cossmann in Cossmann &amp; Peyrot, 1904: 13" authorityName="Cossmann in Cossmann &amp; Peyrot" authorityPageNumber="13" authorityYear="1904" box="[813,1451,729,754]" class="Bivalvia" family="Lucinidae" genus="Phacoides" kingdom="Animalia" order="Lucinoida" pageId="4" pageNumber="125" phylum="Mollusca" rank="subGenus" subGenus="Gibbolucina">
<emphasis id="B958EA8CFFC1F178FCB8FD334BC1FD02" box="[813,900,729,753]" italics="true" pageId="4" pageNumber="125">Phacoides</emphasis>
(
<emphasis id="B958EA8CFFC1F178FC05FD334C44FD02" box="[912,1025,729,753]" italics="true" pageId="4" pageNumber="125">Gibbolucina</emphasis>
) Cossmann
<emphasis id="B958EA8CFFC1F178FBE3FD304CCCFD02" box="[1142,1161,730,753]" italics="true" pageId="4" pageNumber="125">in</emphasis>
Cossmann &amp; Peyrot, 1904: 13
</taxonomicName>
.
</paragraph>
</subSubSection>
<subSubSection id="C3366515FFC1F178FCB8FCF84C43FCB6" pageId="4" pageNumber="125" type="type_taxon">
<paragraph id="8B93369EFFC1F178FCB8FCF84C43FCB6" blockId="4.[813,1455,786,837]" pageId="4" pageNumber="125">
<typeStatus id="5497883CFFC1F178FCB8FCF84B18FCD4" box="[813,861,786,810]" pageId="4" pageNumber="125">TYPE</typeStatus>
SPECIES. —
<taxonomicName id="4C2C4D1DFFC1F178FC48FCF94CBEFCD9" authority="Lamarck, 1806" authorityName="Lamarck" authorityYear="1806" box="[989,1275,786,810]" class="Bivalvia" family="Veneridae" genus="Venus" kingdom="Animalia" order="Veneroida" pageId="4" pageNumber="125" phylum="Mollusca" rank="species" species="callosa">
<emphasis id="B958EA8CFFC1F178FC48FCF94C1CFCD9" box="[989,1113,786,810]" italics="true" pageId="4" pageNumber="125">Venus callosa</emphasis>
<bibRefCitation id="EFBD4B6FFFC1F178FBF4FCF84CBEFCD9" author="Lamarck" box="[1121,1275,786,810]" firstAuthor="Lamarck" pageId="4" pageNumber="125" pagination="130 - 139" refId="ref14871" refString="LAMARCK J. B. 1806. - Memoires sur les fossils des environs de Paris (suite 6). Annales du Museum d'Histoire naturelle 7: 130 - 139." type="journal article" year="1806">Lamarck, 1806</bibRefCitation>
</taxonomicName>
: Eocene, Lutetian (original designation).
</paragraph>
</subSubSection>
<subSubSection id="C3366515FFC1F178FCB8FC8F4C2CFBA2" pageId="4" pageNumber="125" type="diagnosis">
<paragraph id="8B93369EFFC1F178FCB8FC8F4C2CFBA2" blockId="4.[813,1456,869,1105]" pageId="4" pageNumber="125">
DIAGNOSIS. — Shell small L to
<quantity id="4CD49B7BFFC1F178FBC4FC8F4CDDFC8E" box="[1105,1176,869,893]" metricMagnitude="-2" metricUnit="m" metricValue="1.5" pageId="4" pageNumber="125" unit="mm" value="15.0">15 mm</quantity>
, subtrigonal, ventrally round- ed, umbones prominent. Shallow sulcus defining posterior dorsal area in most species. Lunule inset, long. Sculpture of irregular low commarginal lamellae. Hinge with two cardinal teeth in left valve and single, often bifid, cardinal in right valve, lateral teeth absent. Ligament short, in shallow resilifer. Anterior adductor muscle scar short, narrow, detached for half to 2/3 of length, pallial line entire, inner shell margin smooth, interior often thickened, with pallial blood vessel scar in deep groove.
</paragraph>
</subSubSection>
<subSubSection id="C3366515FFC1F178FCB8FB9B4C25F8D1" pageId="4" pageNumber="125" type="discussion">
<paragraph id="8B93369EFFC1F178FCB8FB9B4BCCFB4C" blockId="4.[813,1455,1137,1215]" pageId="4" pageNumber="125">
GEOLOGICAL RANGE.
<emphasis id="B958EA8CFFC1F178FB91FB984C5BFB7A" box="[1028,1054,1138,1161]" italics="true" pageId="4" pageNumber="125"></emphasis>
Eocene (Lutetian) to Recent. The fossil record of
<taxonomicName id="4C2C4D1DFFC1F178FC1FFB664BBAFB57" authorityName="Cossmann" authorityYear="1904" box="[906,1023,1164,1188]" class="Bivalvia" family="Lucinidae" genus="Gibbolucina" higherTaxonomySource="CoL" kingdom="Animalia" order="Lucinida" pageId="4" pageNumber="125" phylum="Mollusca" rank="genus">
<emphasis id="B958EA8CFFC1F178FC1FFB664BBAFB57" box="[906,1023,1164,1188]" italics="true" pageId="4" pageNumber="125">Gibbolucina</emphasis>
</taxonomicName>
species extends from the early Eocene to the Miocene.
</paragraph>
<paragraph id="8B93369EFFC1F178FCB8FB354D7CFAE1" blockId="4.[813,1456,1247,1827]" pageId="4" pageNumber="125">
INCLUDED SPECIES. —
<emphasis id="B958EA8CFFC1F178FC6EFB354C7AFB04" bold="true" box="[1019,1087,1247,1271]" pageId="4" pageNumber="125">Eocene</emphasis>
. Lutetian:
<taxonomicName id="4C2C4D1DFFC1F178FB34FB354B22FAE1" authority="(Lamarck, 1806)" baseAuthorityName="Lamarck" baseAuthorityYear="1806" class="Bivalvia" family="Lucinidae" genus="Gibbolucina" higherTaxonomySource="CoL" kingdom="Animalia" order="Lucinida" pageId="4" pageNumber="125" phylum="Mollusca" rank="species" species="callosa">
<emphasis id="B958EA8CFFC1F178FB34FB354D08FB04" box="[1185,1357,1247,1271]" italics="true" pageId="4" pageNumber="125">Gibbolucina callosa</emphasis>
(
<bibRefCitation id="EFBD4B6FFFC1F178FAC2FB354B24FAE1" author="Lamarck" firstAuthor="Lamarck" pageId="4" pageNumber="125" pagination="130 - 139" refId="ref14871" refString="LAMARCK J. B. 1806. - Memoires sur les fossils des environs de Paris (suite 6). Annales du Museum d'Histoire naturelle 7: 130 - 139." type="journal article" year="1806">Lamarck, 1806</bibRefCitation>
)
</taxonomicName>
(
<figureCitation id="13172A1BFFC1F178FCE0FB104B9FFAE1" box="[885,986,1274,1298]" captionStart="FIG" captionStartId="5.[132,143,1851,1869]" captionTargetBox="[132,1455,215,1692]" captionTargetId="figure@5.[604,1078,675,1138]" captionTargetPageId="5" captionText="FIG. 1. — Gibbolucina Cossmann, 1904 fossil species: A-G, Gibbolucina callosa (Lamarck, 1806), Eocene, Lutetian, Calcaire Grossier, Grignon, France, NHMUK Earth Science L 14106; A, B, exterior and interior of left valve, L 11.7 mm; C, D, exterior and interior of right valve, L 10.3 mm; E, interior of right valve, L 11.2 mm; F, G, detail of hinge teeth of right (E) and left (B) valves; H, I, Gibbolucina axinoides (Dufour, 1881) exterior and interior of right valve, Eo- cene, Bartonian, Saint-Aignan-Grandlieu, Pierre-Aiguë, Loire-Atlantique, France, (MNHN.F.R53986), L 12 mm; J, K, Gibbolucina lefevrei (Cossmann, 1887) interior and exterior of right valve, Eocene, Bartonian, Bezu le Guery, France (MNHN), L 25 mm; L, Gibbolucina trigonula (Deshayes, 1830) interior of right valve, Miocene, Aquitanian, Villandraut, Gironde, France (MNHN), L 22 mm; M, N, Gibbolucina trigonula (Deshayes, 1830) Miocene, Burdigalian, Corbleu (Moulin de Carro), Landes, France. Images Pierre Lozouet, L 31 mm; O, P, Gibbolucina cf trigonula interior and exterior of right valve, locality as M, L 10 mm. Scale bar: F, G, 1.0 mm." figureDoi="http://doi.org/10.5281/zenodo.3738248" httpUri="https://zenodo.org/record/3738248/files/figure.png" pageId="4" pageNumber="125">Fig. 1A-G</figureCitation>
) and
<taxonomicName id="4C2C4D1DFFC1F178FB87FB104D73FAE1" authority="(Lamarck, 1806)" baseAuthorityName="Lamarck" baseAuthorityYear="1806" box="[1042,1334,1274,1298]" class="Bivalvia" family="Lucinidae" genus="Gibbolucina" higherTaxonomySource="CoL" kingdom="Animalia" order="Lucinida" pageId="4" pageNumber="125" phylum="Mollusca" rank="species" species="gibbosula">
<emphasis id="B958EA8CFFC1F178FB87FB104CC2FAE1" box="[1042,1159,1274,1298]" italics="true" pageId="4" pageNumber="125">G. gibbosula</emphasis>
(
<bibRefCitation id="EFBD4B6FFFC1F178FB01FB104D6BFAE1" author="Lamarck" box="[1172,1326,1274,1298]" firstAuthor="Lamarck" pageId="4" pageNumber="125" pagination="130 - 139" refId="ref14871" refString="LAMARCK J. B. 1806. - Memoires sur les fossils des environs de Paris (suite 6). Annales du Museum d'Histoire naturelle 7: 130 - 139." type="journal article" year="1806">Lamarck, 1806</bibRefCitation>
)
</taxonomicName>
.
</paragraph>
<paragraph id="8B93369EFFC1F178FCB8FAFE4C79FA8F" blockId="4.[813,1456,1247,1827]" pageId="4" pageNumber="125">
<emphasis id="B958EA8CFFC1F178FCB8FAFE4BDFFADF" bold="true" box="[813,922,1300,1324]" pageId="4" pageNumber="125">Bartonian.</emphasis>
<taxonomicName id="4C2C4D1DFFC1F178FC37FAFE4D6EFADF" authority="(Cossmann, 1887)" baseAuthorityName="Cossmann" baseAuthorityYear="1887" box="[930,1323,1300,1324]" class="Bivalvia" family="Lucinidae" genus="Gibbolucina" higherTaxonomySource="CoL" kingdom="Animalia" order="Lucinida" pageId="4" pageNumber="125" phylum="Mollusca" rank="species" species="lefevrei">
<emphasis id="B958EA8CFFC1F178FC37FAFE4C23FADF" box="[930,1126,1300,1324]" italics="true" pageId="4" pageNumber="125">Gibbolucina lefevrei</emphasis>
(Cossmann, 1887)
</taxonomicName>
(
<figureCitation id="13172A1BFFC1F178FAAEFAFE4DE6FADF" box="[1339,1443,1300,1324]" captionStart="FIG" captionStartId="5.[132,143,1851,1869]" captionTargetBox="[132,1455,215,1692]" captionTargetId="figure@5.[604,1078,675,1138]" captionTargetPageId="5" captionText="FIG. 1. — Gibbolucina Cossmann, 1904 fossil species: A-G, Gibbolucina callosa (Lamarck, 1806), Eocene, Lutetian, Calcaire Grossier, Grignon, France, NHMUK Earth Science L 14106; A, B, exterior and interior of left valve, L 11.7 mm; C, D, exterior and interior of right valve, L 10.3 mm; E, interior of right valve, L 11.2 mm; F, G, detail of hinge teeth of right (E) and left (B) valves; H, I, Gibbolucina axinoides (Dufour, 1881) exterior and interior of right valve, Eo- cene, Bartonian, Saint-Aignan-Grandlieu, Pierre-Aiguë, Loire-Atlantique, France, (MNHN.F.R53986), L 12 mm; J, K, Gibbolucina lefevrei (Cossmann, 1887) interior and exterior of right valve, Eocene, Bartonian, Bezu le Guery, France (MNHN), L 25 mm; L, Gibbolucina trigonula (Deshayes, 1830) interior of right valve, Miocene, Aquitanian, Villandraut, Gironde, France (MNHN), L 22 mm; M, N, Gibbolucina trigonula (Deshayes, 1830) Miocene, Burdigalian, Corbleu (Moulin de Carro), Landes, France. Images Pierre Lozouet, L 31 mm; O, P, Gibbolucina cf trigonula interior and exterior of right valve, locality as M, L 10 mm. Scale bar: F, G, 1.0 mm." figureDoi="http://doi.org/10.5281/zenodo.3738248" httpUri="https://zenodo.org/record/3738248/files/figure.png" pageId="4" pageNumber="125">Fig. 1J, K</figureCitation>
),
<taxonomicName id="4C2C4D1DFFC1F178FCB8FAC54C6AFAB4" authority="(Dufour, 1881)" baseAuthorityName="Dufour" baseAuthorityYear="1881" box="[813,1071,1327,1351]" class="Bivalvia" family="Lucinidae" genus="Gibbolucina" higherTaxonomySource="CoL" kingdom="Animalia" order="Lucinida" pageId="4" pageNumber="125" phylum="Mollusca" rank="species" species="axinoides">
<emphasis id="B958EA8CFFC1F178FCB8FAC54BDEFAB4" box="[813,923,1327,1351]" italics="true" pageId="4" pageNumber="125">G. axinoides</emphasis>
(Dufour, 1881)
</taxonomicName>
(
<figureCitation id="13172A1BFFC1F178FBAFFAC54CD3FAB4" box="[1082,1174,1327,1351]" captionStart="FIG" captionStartId="5.[132,143,1851,1869]" captionTargetBox="[132,1455,215,1692]" captionTargetId="figure@5.[604,1078,675,1138]" captionTargetPageId="5" captionText="FIG. 1. — Gibbolucina Cossmann, 1904 fossil species: A-G, Gibbolucina callosa (Lamarck, 1806), Eocene, Lutetian, Calcaire Grossier, Grignon, France, NHMUK Earth Science L 14106; A, B, exterior and interior of left valve, L 11.7 mm; C, D, exterior and interior of right valve, L 10.3 mm; E, interior of right valve, L 11.2 mm; F, G, detail of hinge teeth of right (E) and left (B) valves; H, I, Gibbolucina axinoides (Dufour, 1881) exterior and interior of right valve, Eo- cene, Bartonian, Saint-Aignan-Grandlieu, Pierre-Aiguë, Loire-Atlantique, France, (MNHN.F.R53986), L 12 mm; J, K, Gibbolucina lefevrei (Cossmann, 1887) interior and exterior of right valve, Eocene, Bartonian, Bezu le Guery, France (MNHN), L 25 mm; L, Gibbolucina trigonula (Deshayes, 1830) interior of right valve, Miocene, Aquitanian, Villandraut, Gironde, France (MNHN), L 22 mm; M, N, Gibbolucina trigonula (Deshayes, 1830) Miocene, Burdigalian, Corbleu (Moulin de Carro), Landes, France. Images Pierre Lozouet, L 31 mm; O, P, Gibbolucina cf trigonula interior and exterior of right valve, locality as M, L 10 mm. Scale bar: F, G, 1.0 mm." figureDoi="http://doi.org/10.5281/zenodo.3738248" httpUri="https://zenodo.org/record/3738248/files/figure.png" pageId="4" pageNumber="125">Fig. 1H, I</figureCitation>
),
<taxonomicName id="4C2C4D1DFFC1F178FB32FAC54DEEFAB4" authority="(Dufour, 1881)" baseAuthorityName="Dufour" baseAuthorityYear="1881" box="[1191,1451,1327,1351]" class="Bivalvia" family="Lucinidae" genus="Gibbolucina" higherTaxonomySource="CoL" kingdom="Animalia" order="Lucinida" pageId="4" pageNumber="125" phylum="Mollusca" rank="species" species="profunda">
<emphasis id="B958EA8CFFC1F178FB32FAC54D50FAB4" box="[1191,1301,1327,1351]" italics="true" pageId="4" pageNumber="125">G. profunda</emphasis>
(Dufour, 1881)
</taxonomicName>
.
<emphasis id="B958EA8CFFC1F178FCB8FAA34BB0FA92" bold="true" box="[813,1013,1353,1377]" pageId="4" pageNumber="125">Priabonian (Ludien)</emphasis>
.
<taxonomicName id="4C2C4D1DFFC1F178FB94FAA34DEAFA92" authority="(von Koenen, 1893)" baseAuthorityName="von Koenen" baseAuthorityYear="1893" box="[1025,1455,1353,1377]" class="Bivalvia" family="Lucinidae" genus="Gibbolucina" higherTaxonomySource="CoL" kingdom="Animalia" order="Lucinida" pageId="4" pageNumber="125" phylum="Mollusca" rank="species" species="incomposita">
<emphasis id="B958EA8CFFC1F178FB94FAA34CADFA92" box="[1025,1256,1353,1377]" italics="true" pageId="4" pageNumber="125">Gibbolucina incomposita</emphasis>
(von Koenen, 1893)
</taxonomicName>
see
<bibRefCitation id="EFBD4B6FFFC1F178FCDAFA8E4C6BFA8F" author="Pacaud &amp; Ledon" box="[847,1070,1380,1404]" firstAuthor="Pacaud" pageId="4" pageNumber="125" pagination="7 - 25" refId="ref15473" refString="PACAUD J. - M. &amp; LEDON D. 2007. - Sur les especes de mollusques du Ludien (Priabonien, Eocene superieur) du bassin de Paris introduites par Perier en 1941. Cossmanniana 11: 7 - 25." type="journal article" year="2007">Pacaud &amp; Ledon 2007</bibRefCitation>
).
</paragraph>
<paragraph id="8B93369EFFC1F178FCB8FA944C61FA38" blockId="4.[813,1456,1247,1827]" pageId="4" pageNumber="125">
<emphasis id="B958EA8CFFC1F178FCB8FA944BBCFA65" bold="true" box="[813,1017,1406,1430]" pageId="4" pageNumber="125">Miocene Aquitanian</emphasis>
.
<taxonomicName id="4C2C4D1DFFC1F178FB92FA944B2DFA42" authority="(Cossmann &amp; Peyrot, 1912)" baseAuthorityName="Cossmann &amp; Peyrot" baseAuthorityYear="1912" class="Bivalvia" family="Lucinidae" genus="Gibbolucina" higherTaxonomySource="CoL" kingdom="Animalia" order="Lucinida" pageId="4" pageNumber="125" phylum="Mollusca" rank="species" species="avitensis">
<emphasis id="B958EA8CFFC1F178FB92FA944C94FA65" box="[1031,1233,1406,1430]" italics="true" pageId="4" pageNumber="125">Gibbolucina avitensis</emphasis>
(
<bibRefCitation id="EFBD4B6FFFC1F178FB4AFA944B27FA42" author="Cossmann &amp; Peyrot" firstAuthor="Cossmann" pageId="4" pageNumber="125" pagination="179 - 333" refId="ref13346" refString="COSSMANN M. &amp; PEYROT A. 1912. - Conchologie neogenique de l'Aquitaine. Actes de la Societe linneenne de Bordeaux 65 (4): 179 - 333." type="journal article" year="1912">Cossmann &amp; Peyrot, 1912</bibRefCitation>
)
</taxonomicName>
(1912: 271-273, pl. 27, figs 14-17). Saint Avit, Landes,
<collectingRegion id="49E8F87CFFC1F178FAEDFA724B18FA38" country="France" name="Aquitaine" pageId="4" pageNumber="125">Aquitaine</collectingRegion>
(MNHN.F.06430).
</paragraph>
<paragraph id="8B93369EFFC1F178FCB8FA274B8DF9E9" blockId="4.[813,1456,1247,1827]" pageId="4" pageNumber="125">
<emphasis id="B958EA8CFFC1F178FCB8FA274BEFFA16" bold="true" box="[813,938,1485,1509]" pageId="4" pageNumber="125">Burdigalian.</emphasis>
<taxonomicName id="4C2C4D1DFFC1F178FC27FA274BD3F9F3" authority="(Deshayes, 1830) Moulin de Gamachot" authorityName="Moulin de Gamachot" baseAuthorityName="Deshayes" baseAuthorityYear="1830" class="Bivalvia" family="Lucinidae" genus="Gibbolucina" higherTaxonomySource="CoL" kingdom="Animalia" order="Lucinida" pageId="4" pageNumber="125" phylum="Mollusca" rank="species" species="trigonula">
<emphasis id="B958EA8CFFC1F178FC27FA274CC2FA16" box="[946,1159,1485,1509]" italics="true" pageId="4" pageNumber="125">Gibbolucina trigonula</emphasis>
(Deshayes, 1830) Moulin de Gamachot
</taxonomicName>
,
<collectingRegion id="49E8F87CFFC1F178FC35FA024C45F9F3" box="[928,1024,1512,1536]" country="France" name="Aquitaine" pageId="4" pageNumber="125">Aquitaine</collectingRegion>
(
<bibRefCitation id="EFBD4B6FFFC1F178FB9AFA024D54F9F3" author="Cossmann &amp; Peyrot" box="[1039,1297,1512,1536]" firstAuthor="Cossmann" pageId="4" pageNumber="125" pagination="179 - 333" refId="ref13346" refString="COSSMANN M. &amp; PEYROT A. 1912. - Conchologie neogenique de l'Aquitaine. Actes de la Societe linneenne de Bordeaux 65 (4): 179 - 333." type="journal article" year="1912">Cossmann &amp; Peyrot 1912</bibRefCitation>
: pl. 26, figs 70- 73) (
<figureCitation id="13172A1BFFC1F178FCCEF9E84BF9F9E9" box="[859,956,1538,1562]" captionStart="FIG" captionStartId="5.[132,143,1851,1869]" captionTargetBox="[132,1455,215,1692]" captionTargetId="figure@5.[604,1078,675,1138]" captionTargetPageId="5" captionText="FIG. 1. — Gibbolucina Cossmann, 1904 fossil species: A-G, Gibbolucina callosa (Lamarck, 1806), Eocene, Lutetian, Calcaire Grossier, Grignon, France, NHMUK Earth Science L 14106; A, B, exterior and interior of left valve, L 11.7 mm; C, D, exterior and interior of right valve, L 10.3 mm; E, interior of right valve, L 11.2 mm; F, G, detail of hinge teeth of right (E) and left (B) valves; H, I, Gibbolucina axinoides (Dufour, 1881) exterior and interior of right valve, Eo- cene, Bartonian, Saint-Aignan-Grandlieu, Pierre-Aiguë, Loire-Atlantique, France, (MNHN.F.R53986), L 12 mm; J, K, Gibbolucina lefevrei (Cossmann, 1887) interior and exterior of right valve, Eocene, Bartonian, Bezu le Guery, France (MNHN), L 25 mm; L, Gibbolucina trigonula (Deshayes, 1830) interior of right valve, Miocene, Aquitanian, Villandraut, Gironde, France (MNHN), L 22 mm; M, N, Gibbolucina trigonula (Deshayes, 1830) Miocene, Burdigalian, Corbleu (Moulin de Carro), Landes, France. Images Pierre Lozouet, L 31 mm; O, P, Gibbolucina cf trigonula interior and exterior of right valve, locality as M, L 10 mm. Scale bar: F, G, 1.0 mm." figureDoi="http://doi.org/10.5281/zenodo.3738248" httpUri="https://zenodo.org/record/3738248/files/figure.png" pageId="4" pageNumber="125">Fig. 1L-P</figureCitation>
).
</paragraph>
<paragraph id="8B93369EFFC1F178FCB8F9F64DEDF8FB" blockId="4.[813,1456,1247,1827]" pageId="4" pageNumber="125">
<emphasis id="B958EA8CFFC1F178FCB8F9F64BCCF9C7" bold="true" box="[813,905,1564,1588]" pageId="4" pageNumber="125">Pliocene.</emphasis>
A Late Pliocene-early Pleistocene species,
<taxonomicName id="4C2C4D1DFFC1F178FAADF9F74C51F9BC" authority="(Woods, 1931)" baseAuthorityName="Woods" baseAuthorityYear="1931" class="Bivalvia" family="Lucinidae" genus="Gibbolucina" higherTaxonomySource="CoL" kingdom="Animalia" order="Lucinida" pageId="4" pageNumber="125" phylum="Mollusca" rank="species" species="salebrosa">
<emphasis id="B958EA8CFFC1F178FAADF9F74B38F9BC" italics="true" pageId="4" pageNumber="125">Gibbolucina salebrosa</emphasis>
(Woods, 1931)
</taxonomicName>
, was described from southwestern
<collectingCountry id="F33B760EFFC1F178FACFF9DD4DEAF9BC" box="[1370,1455,1591,1615]" name="Australia" pageId="4" pageNumber="125">Australia</collectingCountry>
(see
<bibRefCitation id="EFBD4B6FFFC1F178FCC2F9B84BB4F999" author="Ludbrook" box="[855,1009,1618,1642]" firstAuthor="Ludbrook" pageId="4" pageNumber="125" pagination="5 - 286" refId="ref14970" refString="LUDBROOK N. H. 1978. - Quaternary molluscs of the western part of the Eucla Basin. Bulletin Geological Survey of Western Australia 125: 5 - 286." type="journal article" year="1978">Ludbrook 1978</bibRefCitation>
: pl. 3, figs 6-9) but this lacks hinge teeth, and the deeply scooped lunule of
<taxonomicName id="4C2C4D1DFFC1F178FBAAF9864CF7F977" authorityName="Cossmann" authorityYear="1904" box="[1087,1202,1644,1668]" class="Bivalvia" family="Lucinidae" genus="Gibbolucina" higherTaxonomySource="CoL" kingdom="Animalia" order="Lucinida" pageId="4" pageNumber="125" phylum="Mollusca" rank="genus">
<emphasis id="B958EA8CFFC1F178FBAAF9864CF7F977" box="[1087,1202,1644,1668]" italics="true" pageId="4" pageNumber="125">Gibbolucina</emphasis>
</taxonomicName>
and also has widely spaced prominent commarginal lamellae. We regard this species as distinct from
<taxonomicName id="4C2C4D1DFFC1F178FCF4F94B4B93F94A" authorityName="Cossmann" authorityYear="1904" box="[865,982,1697,1721]" class="Bivalvia" family="Lucinidae" genus="Gibbolucina" higherTaxonomySource="CoL" kingdom="Animalia" order="Lucinida" pageId="4" pageNumber="125" phylum="Mollusca" rank="genus">
<emphasis id="B958EA8CFFC1F178FCF4F94B4B93F94A" box="[865,982,1697,1721]" italics="true" pageId="4" pageNumber="125">Gibbolucina</emphasis>
</taxonomicName>
but in a broadly related genus (undescribed). Another Pliocene species,
<taxonomicName id="4C2C4D1DFFC1F178FB9AF9514DE9F920" authority="(Ludbrook, 1955)" baseAuthorityName="Ludbrook" baseAuthorityYear="1955" box="[1039,1452,1723,1748]" class="Bivalvia" family="Lucinidae" genus="Gibbolucina" higherTaxonomySource="CoL" kingdom="Animalia" order="Lucinida" pageId="4" pageNumber="125" phylum="Mollusca" rank="species" species="confirmans">
<emphasis id="B958EA8CFFC1F178FB9AF9514CB4F927" box="[1039,1265,1723,1748]" italics="true" pageId="4" pageNumber="125">Gibbolucina confirmans</emphasis>
(
<bibRefCitation id="EFBD4B6FFFC1F178FB6BF9514DE1F920" author="Ludbrook" box="[1278,1444,1723,1747]" firstAuthor="Ludbrook" pageId="4" pageNumber="125" pagination="18 - 87" refId="ref14931" refString="LUDBROOK N. H. 1955. - The molluscan fauna of the Pliocene strata underlying the Adelaide Plains. Part II - Pelecypoda. Transactions of the Royal Society of South Australia 78: 18 - 87." type="journal article" year="1955">Ludbrook, 1955</bibRefCitation>
)
</taxonomicName>
, was described from two incomplete shells from a borehole near Adelaide,
<collectingRegion id="49E8F87CFFC1F178FC1BF91A4C61F8FB" box="[910,1060,1776,1800]" country="Australia" name="South Australia" pageId="4" pageNumber="125">South Australia</collectingRegion>
but the generic assignment is doubtful.
</paragraph>
<paragraph id="8B93369EFFC1F178FCB8F8E14C25F8D1" blockId="4.[813,1456,1247,1827]" box="[813,1120,1803,1827]" pageId="4" pageNumber="125">
<emphasis id="B958EA8CFFC1F178FCB8F8E14B3DF8D0" bold="true" box="[813,888,1803,1827]" pageId="4" pageNumber="125">Recent.</emphasis>
<taxonomicName id="4C2C4D1DFFC1F178FCEBF8E14C61F8D0" authority="Taylor &amp; Glover, 2018" authorityName="Taylor &amp; Glover" authorityYear="2018" box="[894,1060,1803,1827]" class="Bivalvia" family="Lucinidae" genus="Gibbolucina" higherTaxonomySource="CoL" kingdom="Animalia" order="Lucinida" pageId="4" pageNumber="125" phylum="Mollusca" rank="species" species="zelee" status="sp. nov.">
<emphasis id="B958EA8CFFC1F178FCEBF8E14C61F8D0" box="[894,1060,1803,1827]" italics="true" pageId="4" pageNumber="125">Gibbolucina zelee</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A26B57F7FFC1F178FBBEF8E14C25F8D1" box="[1067,1120,1803,1826]" pageId="4" pageNumber="125" rank="species">n. sp.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection id="C3366515FFC1F17AFCB8F8B94912FA9C" lastPageId="6" lastPageNumber="127" pageId="4" pageNumber="125" type="discussion">
<paragraph id="8B93369EFFC1F178FCB8F8B94CE3F898" blockId="4.[813,1455,1875,2030]" box="[813,1190,1875,1901]" pageId="4" pageNumber="125">COMPARISON WITH OTHER GENERA</paragraph>
<paragraph id="8B93369EFFC1F178FCB8F8994DEAF81E" blockId="4.[813,1455,1875,2030]" pageId="4" pageNumber="125">
Despite
<bibRefCitation id="EFBD4B6FFFC1F178FC1EF8994C71F87D" author="Chavan" box="[907,1076,1907,1934]" firstAuthor="Chavan" pageId="4" pageNumber="125" pagination="518" refId="ref13090" refString="CHAVAN A. 1969. - Superfamily Lucinacea Fleming, 1828, in MOORE R. C. (ed.), Treatise on Invertebrate Paleontology, Part N, Mollusca 6, Bivalvia, volume 2., Geological Society of America and University of Kansas, Boulder, Colorado: N 491 - N 518." type="book chapter" year="1969">Chavan (1969)</bibRefCitation>
and others including
<taxonomicName id="4C2C4D1DFFC1F178FABAF8994DD4F87E" authorityName="Cossmann in Cossmann &amp; Peyrot" authorityYear="1912" box="[1327,1425,1907,1933]" class="Bivalvia" family="Lucinidae" genus="Eomiltha" kingdom="Animalia" order="Lucinoida" pageId="4" pageNumber="125" phylum="Mollusca" rank="genus">
<emphasis id="B958EA8CFFC1F178FABAF8994DD4F87E" box="[1327,1425,1907,1933]" italics="true" pageId="4" pageNumber="125">Eomiltha</emphasis>
</taxonomicName>
as a subgenus of
<taxonomicName id="4C2C4D1DFFC1F178FC41F8794C19F85E" authorityName="Cossmann" authorityYear="1904" box="[980,1116,1939,1965]" class="Bivalvia" family="Lucinidae" genus="Gibbolucina" higherTaxonomySource="CoL" kingdom="Animalia" order="Lucinida" pageId="4" pageNumber="125" phylum="Mollusca" rank="genus">
<emphasis id="B958EA8CFFC1F178FC41F8794C19F85E" box="[980,1116,1939,1965]" italics="true" pageId="4" pageNumber="125">Gibbolucina</emphasis>
</taxonomicName>
or, alternatively,
<taxonomicName id="4C2C4D1DFFC1F178FAB2F8794DEAF85E" authorityName="Cossmann" authorityYear="1904" box="[1319,1455,1939,1965]" class="Bivalvia" family="Lucinidae" genus="Gibbolucina" higherTaxonomySource="CoL" kingdom="Animalia" order="Lucinida" pageId="4" pageNumber="125" phylum="Mollusca" rank="genus">
<emphasis id="B958EA8CFFC1F178FAB2F8794DEAF85E" box="[1319,1455,1939,1965]" italics="true" pageId="4" pageNumber="125">Gibbolucina</emphasis>
</taxonomicName>
as a subgenus of
<taxonomicName id="4C2C4D1DFFC1F178FC7FF8594D50F83D" authority="(Ludbrook 1955)" baseAuthorityName="Ludbrook" baseAuthorityYear="1955" box="[1002,1301,1971,1998]" class="Bivalvia" family="Lucinidae" genus="Eomiltha" kingdom="Animalia" order="Lucinoida" pageId="4" pageNumber="125" phylum="Mollusca" rank="genus">
<emphasis id="B958EA8CFFC1F178FC7FF8594C0EF83E" box="[1002,1099,1971,1997]" italics="true" pageId="4" pageNumber="125">Eomiltha</emphasis>
(
<bibRefCitation id="EFBD4B6FFFC1F178FBC8F8594D49F83D" author="Ludbrook" box="[1117,1292,1971,1998]" firstAuthor="Ludbrook" pageId="4" pageNumber="125" pagination="18 - 87" refId="ref14931" refString="LUDBROOK N. H. 1955. - The molluscan fauna of the Pliocene strata underlying the Adelaide Plains. Part II - Pelecypoda. Transactions of the Royal Society of South Australia 78: 18 - 87." type="journal article" year="1955">Ludbrook 1955</bibRefCitation>
)
</taxonomicName>
, there is little similarity of shell characters (see below) and any relation-
</paragraph>
<caption id="DF536616FFC0F179FF11F8D14911F818" ID-DOI="http://doi.org/10.5281/zenodo.3738248" ID-Zenodo-Dep="3738248" httpUri="https://zenodo.org/record/3738248/files/figure.png" pageId="5" pageNumber="126" startId="5.[132,143,1851,1869]" targetBox="[132,1455,215,1692]" targetPageId="5">
<paragraph id="8B93369EFFC0F179FF11F8D14911F818" blockId="5.[132,1457,1851,2027]" pageId="5" pageNumber="126">
FIG. 1. —
<taxonomicName id="4C2C4D1DFFC0F179FF4FF8D14999F8BE" authority="Cossmann, 1904" authorityName="Cossmann" authorityYear="1904" box="[218,476,1851,1869]" class="Bivalvia" family="Lucinidae" genus="Gibbolucina" higherTaxonomySource="CoL" kingdom="Animalia" order="Lucinida" pageId="5" pageNumber="126" phylum="Mollusca" rank="genus">
<emphasis id="B958EA8CFFC0F179FF4FF8D14907F8BE" box="[218,322,1851,1869]" italics="true" pageId="5" pageNumber="126">Gibbolucina</emphasis>
<bibRefCitation id="EFBD4B6FFFC0F179FEDDF8D14999F8BE" author="COSSMANN M." box="[328,476,1851,1869]" pageId="5" pageNumber="126" pagination="149 - 213" refId="ref13229" refString="COSSMANN M. 1904. - Mollusques eoceniques de la Loire-Inferieure. Tome III, fasc. 1. Bulletin de la Societe des Sciences naturelles de l'Ouest de la France, 2 e ser. 4: 149 - 213." type="book chapter" year="1904">Cossmann, 1904</bibRefCitation>
</taxonomicName>
fossil species:
<emphasis id="B958EA8CFFC0F179FDF0F8D14ACCF8BE" bold="true" box="[613,649,1851,1869]" pageId="5" pageNumber="126">A -G</emphasis>
,
<taxonomicName id="4C2C4D1DFFC0F179FD00F8D14B91F8BE" authority="(Lamarck, 1806)" baseAuthorityName="Lamarck" baseAuthorityYear="1806" box="[661,980,1851,1869]" class="Bivalvia" family="Lucinidae" genus="Gibbolucina" higherTaxonomySource="CoL" kingdom="Animalia" order="Lucinida" pageId="5" pageNumber="126" phylum="Mollusca" rank="species" species="callosa">
<emphasis id="B958EA8CFFC0F179FD00F8D14B7AF8BE" box="[661,831,1851,1869]" italics="true" pageId="5" pageNumber="126">Gibbolucina callosa</emphasis>
(
<bibRefCitation id="EFBD4B6FFFC0F179FCDEF8D14B88F8BE" author="Lamarck" box="[843,973,1851,1869]" firstAuthor="Lamarck" pageId="5" pageNumber="126" pagination="130 - 139" refId="ref14871" refString="LAMARCK J. B. 1806. - Memoires sur les fossils des environs de Paris (suite 6). Annales du Museum d'Histoire naturelle 7: 130 - 139." type="journal article" year="1806">Lamarck, 1806</bibRefCitation>
)
</taxonomicName>
, Eocene, Lutetian, Calcaire Grossier, Grignon, France, NHMUK Earth Science L 14106;
<emphasis id="B958EA8CFFC0F179FE35F8B849E8F897" bold="true" box="[416,429,1874,1892]" pageId="5" pageNumber="126">A</emphasis>
,
<emphasis id="B958EA8CFFC0F179FE2CF8B84982F897" bold="true" box="[441,455,1874,1892]" pageId="5" pageNumber="126">B</emphasis>
, exterior and interior of left valve, L 11.7 mm;
<emphasis id="B958EA8CFFC0F179FCC3F8BB4B21F890" bold="true" box="[854,868,1873,1891]" pageId="5" pageNumber="126">C</emphasis>
,
<emphasis id="B958EA8CFFC0F179FCFAF8B84B38F897" bold="true" box="[879,893,1874,1892]" pageId="5" pageNumber="126">D</emphasis>
, exterior and interior of right valve, L 10.3 mm;
<emphasis id="B958EA8CFFC0F179FA8CF8B84D60F897" bold="true" box="[1305,1317,1874,1892]" pageId="5" pageNumber="126">E</emphasis>
, interior of right valve, L 11.2 mm;
<emphasis id="B958EA8CFFC0F179FEB7F8824968F889" bold="true" box="[290,301,1896,1914]" pageId="5" pageNumber="126">F</emphasis>
,
<emphasis id="B958EA8CFFC0F179FEADF8824902F889" bold="true" box="[312,327,1896,1914]" pageId="5" pageNumber="126">G</emphasis>
, detail of hinge teeth of right (
<emphasis id="B958EA8CFFC0F179FDDDF8824A11F889" bold="true" box="[584,596,1896,1914]" pageId="5" pageNumber="126">E</emphasis>
) and left (
<emphasis id="B958EA8CFFC0F179FD3CF8824AF2F889" bold="true" box="[681,695,1896,1914]" pageId="5" pageNumber="126">B</emphasis>
) valves;
<emphasis id="B958EA8CFFC0F179FC97F8824B55F889" bold="true" box="[770,784,1896,1914]" pageId="5" pageNumber="126">H</emphasis>
,
<emphasis id="B958EA8CFFC0F179FC8EF8824B64F889" bold="true" box="[795,801,1896,1914]" pageId="5" pageNumber="126">I</emphasis>
,
<taxonomicName id="4C2C4D1DFFC0F179FCBEF8824C23F889" authority="(Dufour, 1881)" baseAuthorityName="Dufour" baseAuthorityYear="1881" box="[811,1126,1896,1914]" class="Bivalvia" family="Lucinidae" genus="Gibbolucina" higherTaxonomySource="CoL" kingdom="Animalia" order="Lucinida" pageId="5" pageNumber="126" phylum="Mollusca" rank="species" species="axinoides">
<emphasis id="B958EA8CFFC0F179FCBEF8824BADF889" box="[811,1000,1896,1914]" italics="true" pageId="5" pageNumber="126">Gibbolucina axinoides</emphasis>
(Dufour, 1881)
</taxonomicName>
exterior and interior of right valve, Eo- cene, Bartonian, Saint-Aignan-Grandlieu, Pierre-Aiguë, Loire-Atlantique, France, (MNHN.F.R53986), L 12 mm;
<emphasis id="B958EA8CFFC0F179FBA3F8954C04F862" bold="true" box="[1078,1089,1919,1937]" pageId="5" pageNumber="126">J</emphasis>
,
<emphasis id="B958EA8CFFC0F179FBDEF8954C1CF862" bold="true" box="[1099,1113,1919,1937]" pageId="5" pageNumber="126">K</emphasis>
,
<taxonomicName id="4C2C4D1DFFC0F179FBF1F8954DF5F862" authority="(Cossmann, 1887)" baseAuthorityName="Cossmann" baseAuthorityYear="1887" box="[1124,1456,1919,1937]" class="Bivalvia" family="Lucinidae" genus="Gibbolucina" higherTaxonomySource="CoL" kingdom="Animalia" order="Lucinida" pageId="5" pageNumber="126" phylum="Mollusca" rank="species" species="lefevrei">
<emphasis id="B958EA8CFFC0F179FBF1F8954D4BF862" box="[1124,1294,1919,1937]" italics="true" pageId="5" pageNumber="126">Gibbolucina lefevrei</emphasis>
(Cossmann, 1887)
</taxonomicName>
interior and exterior of right valve, Eocene, Bartonian, Bezu le Guery, France (MNHN), L 25 mm;
<emphasis id="B958EA8CFFC0F179FC56F87C4B8BF85B" bold="true" box="[963,974,1942,1960]" pageId="5" pageNumber="126">L</emphasis>
,
<taxonomicName id="4C2C4D1DFFC0F179FC4FF87F4D6EF854" authority="(Deshayes, 1830)" authorityName="Moulin de Gamachot" baseAuthorityName="Deshayes" baseAuthorityYear="1830" box="[986,1323,1941,1959]" class="Bivalvia" family="Lucinidae" genus="Gibbolucina" higherTaxonomySource="CoL" kingdom="Animalia" order="Lucinida" pageId="5" pageNumber="126" phylum="Mollusca" rank="species" species="trigonula">
<emphasis id="B958EA8CFFC0F179FC4FF87F4CD5F854" box="[986,1168,1941,1959]" italics="true" pageId="5" pageNumber="126">Gibbolucina trigonula</emphasis>
(Deshayes, 1830)
</taxonomicName>
interior of right valve, Miocene, Aquitanian, Villandraut, Gironde, France (MNHN), L 22 mm;
<emphasis id="B958EA8CFFC0F179FC8CF8464B6FF84D" bold="true" box="[793,810,1964,1982]" pageId="5" pageNumber="126">M</emphasis>
,
<emphasis id="B958EA8CFFC0F179FCA2F8464B00F84D" bold="true" box="[823,837,1964,1982]" pageId="5" pageNumber="126">N</emphasis>
,
<taxonomicName id="4C2C4D1DFFC0F179FCC5F8464DEAF84D" authority="(Deshayes, 1830) Miocene, Burdigalian, Corbleu" authorityName="Miocene, Burdigalian, Corbleu" baseAuthorityName="Deshayes" baseAuthorityYear="1830" box="[848,1455,1964,1982]" class="Bivalvia" family="Lucinidae" genus="Gibbolucina" higherTaxonomySource="CoL" kingdom="Animalia" order="Lucinida" pageId="5" pageNumber="126" phylum="Mollusca" rank="species" species="trigonula">
<emphasis id="B958EA8CFFC0F179FCC5F8464C4DF84D" box="[848,1032,1964,1982]" italics="true" pageId="5" pageNumber="126">Gibbolucina trigonula</emphasis>
(Deshayes, 1830) Miocene, Burdigalian, Corbleu
</taxonomicName>
(Moulin de Carro), Landes, France. Images Pierre Lozouet, L 31 mm;
<emphasis id="B958EA8CFFC0F179FD5EF8294A9FF826" bold="true" box="[715,730,1987,2005]" pageId="5" pageNumber="126">O</emphasis>
,
<emphasis id="B958EA8CFFC0F179FD71F8294AB4F826" bold="true" box="[740,753,1987,2005]" pageId="5" pageNumber="126">P</emphasis>
,
<taxonomicName id="4C2C4D1DFFC0F179FD6EF8294B27F826" authorityName="Cossmann" authorityYear="1904" box="[763,866,1987,2005]" class="Bivalvia" family="Lucinidae" genus="Gibbolucina" higherTaxonomySource="CoL" kingdom="Animalia" order="Lucinida" pageId="5" pageNumber="126" phylum="Mollusca" rank="genus">
<emphasis id="B958EA8CFFC0F179FD6EF8294B27F826" box="[763,866,1987,2005]" italics="true" pageId="5" pageNumber="126">Gibbolucina</emphasis>
</taxonomicName>
cf
<taxonomicName id="4C2C4D1DFFC0F179FCEEF8294B80F826" authorityName="Miocene, Burdigalian, Corbleu" baseAuthorityName="Deshayes" baseAuthorityYear="1830" box="[891,965,1987,2005]" class="Bivalvia" family="Lucinidae" genus="Gibbolucina" higherTaxonomySource="CoL" kingdom="Animalia" order="Lucinida" pageId="5" pageNumber="126" phylum="Mollusca" rank="species" species="trigonula">
<emphasis id="B958EA8CFFC0F179FCEEF8294B80F826" box="[891,965,1987,2005]" italics="true" pageId="5" pageNumber="126">trigonula</emphasis>
</taxonomicName>
interior and exterior of right valve, locality as
<emphasis id="B958EA8CFFC0F179FAD1F8294D10F826" bold="true" box="[1348,1365,1987,2005]" pageId="5" pageNumber="126">M</emphasis>
, L 10 mm. Scale bar: F, G, 1.0 mm.
</paragraph>
</caption>
<paragraph id="8B93369EFFC3F17AFF11FF334AACFE01" blockId="6.[132,776,217,1391]" pageId="6" pageNumber="127">
ship is highly unlikely. In contrast, several described genera have similar characters to
<taxonomicName id="4C2C4D1DFFC3F17AFE0CFF134A5FFEE0" authorityName="Cossmann" authorityYear="1904" box="[409,538,249,275]" class="Bivalvia" family="Lucinidae" genus="Gibbolucina" higherTaxonomySource="CoL" kingdom="Animalia" order="Lucinida" pageId="6" pageNumber="127" phylum="Mollusca" rank="genus">
<emphasis id="B958EA8CFFC3F17AFE0CFF134A5FFEE0" box="[409,538,249,275]" italics="true" pageId="6" pageNumber="127">Gibbolucina</emphasis>
</taxonomicName>
and are likely broadly related. These are
<taxonomicName id="4C2C4D1DFFC3F17AFEDCFEF049FCFEC0" authorityName="Brugnone" authorityYear="1880" box="[329,441,282,307]" class="Bivalvia" family="Lucinidae" genus="Megaxinus" kingdom="Animalia" order="Lucinoida" pageId="6" pageNumber="127" phylum="Mollusca" rank="genus">
<emphasis id="B958EA8CFFC3F17AFEDCFEF049FCFEC0" box="[329,441,282,307]" italics="true" pageId="6" pageNumber="127">Megaxinus</emphasis>
</taxonomicName>
(
<typeStatus id="5497883CFFC3F17AFE5DFEF349BDFEC0" box="[456,504,281,307]" pageId="6" pageNumber="127">type</typeStatus>
species
<taxonomicName id="4C2C4D1DFFC3F17AFDC4FEF04952FEA0" authority="Bronn, 1831" authorityName="Bronn" authorityYear="1831" class="Bivalvia" family="Lucinidae" genus="Lucina" kingdom="Animalia" order="Lucinoida" pageId="6" pageNumber="127" phylum="Mollusca" rank="species" species="transversa">
<emphasis id="B958EA8CFFC3F17AFDC4FEF04B42FEC0" box="[593,775,282,307]" italics="true" pageId="6" pageNumber="127">Lucina transversa</emphasis>
Bronn, 1831
</taxonomicName>
),
<taxonomicName id="4C2C4D1DFFC3F17AFEB8FED04A37FEA0" authority="Taylor &amp; Glover, 2000" authorityName="Taylor &amp; Glover" authorityYear="2000" box="[301,626,313,339]" class="Bivalvia" family="Lucinidae" genus="Rasta" kingdom="Animalia" order="Lucinoida" pageId="6" pageNumber="127" phylum="Mollusca" rank="genus">
<emphasis id="B958EA8CFFC3F17AFEB8FED04922FEA0" box="[301,359,314,339]" italics="true" pageId="6" pageNumber="127">Rasta</emphasis>
<bibRefCitation id="EFBD4B6FFFC3F17AFEE5FED34A37FEA0" author="Taylor &amp; Glover" box="[368,626,313,339]" firstAuthor="Taylor" pageId="6" pageNumber="127" pagination="82" refId="ref16164" refString="TAYLOR J. D. &amp; GLOVER E. A. 2000. - Nomenclatural rectifications for Indo-Pacific Lucinidae. Journal of Conchology 37: 82." type="journal article" year="2000">Taylor &amp; Glover, 2000</bibRefCitation>
</taxonomicName>
(
<typeStatus id="5497883CFFC3F17AFD17FED34AF6FEA0" box="[642,691,313,339]" pageId="6" pageNumber="127">type</typeStatus>
species
<taxonomicName id="4C2C4D1DFFC3F17AFF11FEB34A0CFE80" authority="Taylor &amp; Glover, 1997" authorityName="Taylor &amp; Glover" authorityYear="1997" box="[132,585,345,371]" class="Insecta" family="Baissogryllidae" genus="Rastafaria" kingdom="Animalia" order="Orthoptera" pageId="6" pageNumber="127" phylum="Arthropoda" rank="species" species="thiophila">
<emphasis id="B958EA8CFFC3F17AFF11FEB34914FE80" box="[132,337,345,371]" italics="true" pageId="6" pageNumber="127">Rastafaria thiophila</emphasis>
<bibRefCitation id="EFBD4B6FFFC3F17AFEC3FEB34A0CFE80" author="GLOVER E. A. &amp; TAYLOR J. D." box="[342,585,345,371]" firstAuthor="Taylor" pageId="6" pageNumber="127" pagination="1 - 18" refId="ref13901" refString="GLOVER E. A. &amp; TAYLOR J. D. 1997. - New species and records of Rastafaria and Megaxinus (Bivalvia: Lucinidae) from the Western Indian Ocean and Red Sea, with a reappraisal of Megaxinus. Journal of Conchology 36: 1 - 18." type="journal article" year="1997">Taylor &amp; Glover, 1997</bibRefCitation>
</taxonomicName>
[
<bibRefCitation id="EFBD4B6FFFC3F17AFDC1FEB348F9FE60" author="GLOVER E. A. &amp; TAYLOR J. D." firstAuthor="Taylor" pageId="6" pageNumber="127" pagination="1 - 18" refId="ref13901" refString="GLOVER E. A. &amp; TAYLOR J. D. 1997. - New species and records of Rastafaria and Megaxinus (Bivalvia: Lucinidae) from the Western Indian Ocean and Red Sea, with a reappraisal of Megaxinus. Journal of Conchology 36: 1 - 18." type="journal article" year="1997">Taylor &amp; Glover 1997</bibRefCitation>
,
<bibRefCitation id="EFBD4B6FFFC3F17AFF5FFE924940FE60" author="Taylor &amp; Glover" box="[202,261,376,403]" firstAuthor="Taylor" pageId="6" pageNumber="127" pagination="82" refId="ref16164" refString="TAYLOR J. D. &amp; GLOVER E. A. 2000. - Nomenclatural rectifications for Indo-Pacific Lucinidae. Journal of Conchology 37: 82." type="journal article" year="2000">2000</bibRefCitation>
]), and
<taxonomicName id="4C2C4D1DFFC3F17AFEC4FE924A8CFE60" authority="Glover &amp; Taylor, 2007" authorityName="Glover &amp; Taylor" authorityYear="2007" box="[337,713,376,403]" class="Bivalvia" family="Lucinidae" genus="Parvidontia" kingdom="Animalia" order="Lucinoida" pageId="6" pageNumber="127" phylum="Mollusca" rank="genus">
<emphasis id="B958EA8CFFC3F17AFEC4FE924989FE61" box="[337,460,376,402]" italics="true" pageId="6" pageNumber="127">Parvidontia</emphasis>
<bibRefCitation id="EFBD4B6FFFC3F17AFE46FE934A8CFE60" author="Glover &amp; Taylor" box="[467,713,377,403]" firstAuthor="Glover" pageId="6" pageNumber="127" pagination="109 - 181" refId="ref13952" refString="GLOVER E. A. &amp; TAYLOR J. D. 2007. - Diversity of chemosymbiotic bivalves on coral reefs: Lucinidae (Mollusca, Bivalvia) of New Caledonia and Lifou. Zoosystema 29 (1): 109 - 181." type="journal article" year="2007">Glover &amp; Taylor, 2007</bibRefCitation>
</taxonomicName>
(
<typeStatus id="5497883CFFC3F17AFD42FE934B42FE60" box="[727,775,377,403]" pageId="6" pageNumber="127">type</typeStatus>
species
<taxonomicName id="4C2C4D1DFFC3F17AFF41FE734A62FE40" authority="Glover &amp; Taylor, 2007" authorityName="Glover &amp; Taylor" authorityYear="2007" box="[212,551,408,435]" class="Bivalvia" family="Lucinidae" genus="Parvidontia" kingdom="Animalia" order="Lucinoida" pageId="6" pageNumber="127" phylum="Mollusca" rank="species" species="laevis">
<emphasis id="B958EA8CFFC3F17AFF41FE734960FE41" box="[212,293,408,434]" italics="true" pageId="6" pageNumber="127">P. laevis</emphasis>
<bibRefCitation id="EFBD4B6FFFC3F17AFEB9FE724A62FE40" author="Glover &amp; Taylor" box="[300,551,408,435]" firstAuthor="Glover" pageId="6" pageNumber="127" pagination="109 - 181" refId="ref13952" refString="GLOVER E. A. &amp; TAYLOR J. D. 2007. - Diversity of chemosymbiotic bivalves on coral reefs: Lucinidae (Mollusca, Bivalvia) of New Caledonia and Lifou. Zoosystema 29 (1): 109 - 181." type="journal article" year="2007">Glover &amp; Taylor, 2007</bibRefCitation>
</taxonomicName>
). To date, only
<taxonomicName id="4C2C4D1DFFC3F17AFD5BFE7348FBFE21" baseAuthorityName="Abrard" baseAuthorityYear="1942" class="Bivalvia" family="Lucinidae" genus="Rasta" kingdom="Animalia" order="Lucinoida" pageId="6" pageNumber="127" phylum="Mollusca" rank="species" species="lamyi">
<emphasis id="B958EA8CFFC3F17AFD5BFE7348FBFE21" italics="true" pageId="6" pageNumber="127">Rasta lamyi</emphasis>
</taxonomicName>
has been included in molecular analyses (
<bibRefCitation id="EFBD4B6FFFC3F17AFD12FE5248F9FE01" author="Taylor" etAl="et al." firstAuthor="Taylor" pageId="6" pageNumber="127" pagination="15 - 49" refId="ref16514" refString="TAYLOR J. D., GLOVER E. A., SMITH L., DYAL P. &amp; WILLIAMS S. T. 2011. - Molecular phylogeny and classification of the chemosymbiotic bivalve family Lucinidae (Mollusca: Bivalvia). Zoological Journal of the Linnean Society 163: 15 - 49. https: // doi. org / 10.1111 / j. 1096 - 3642.2011.00700. x" type="journal article" year="2011">
Taylor
<emphasis id="B958EA8CFFC3F17AFD46FE534B42FE21" box="[723,775,440,466]" italics="true" pageId="6" pageNumber="127">et al.</emphasis>
2011
</bibRefCitation>
,
<bibRefCitation id="EFBD4B6FFFC3F17AFF5FFE324947FE01" author="TAYLOR J. D. &amp; GLOVER E. A. &amp; SMITH L. &amp; IKEBE C. &amp; WILIAMS S. T." box="[202,258,472,498]" pageId="6" pageNumber="127" pagination="381 - 398" refId="ref16643" refString="TAYLOR J. D., GLOVER E. A., SMITH L., IKEBE C. &amp; WILIAMS S. T. 2016. - New molecular phylogeny of Lucinidae: increased taxon base with focus on tropical Western Atlantic species (Mollusca: Bivalvia). Zootaxa 4196 (3): 381 - 398. https: // doi. org / 10.11646 / zootaxa. 4196.3.2" type="journal article" year="2016">2016</bibRefCitation>
) where it groups in the subfamily
<taxonomicName id="4C2C4D1DFFC3F17AFDE3FE324AA0FE01" authorityName="Fleming" authorityYear="1828" box="[630,741,472,498]" class="Bivalvia" family="Lucinidae" kingdom="Animalia" order="Lucinoida" pageId="6" pageNumber="127" phylum="Mollusca" rank="subFamily" subFamily="Lucininae">Lucininae</taxonomicName>
.
</paragraph>
<paragraph id="8B93369EFFC3F17AFF0EFE134B42FBE3" blockId="6.[132,776,217,1391]" pageId="6" pageNumber="127">
<taxonomicName id="4C2C4D1DFFC3F17AFF0EFE13494EFDE1" authorityName="Brugnone" authorityYear="1880" box="[155,267,505,530]" class="Bivalvia" family="Lucinidae" genus="Megaxinus" kingdom="Animalia" order="Lucinoida" pageId="6" pageNumber="127" phylum="Mollusca" rank="genus">
<emphasis id="B958EA8CFFC3F17AFF0EFE13494EFDE1" box="[155,267,505,530]" italics="true" pageId="6" pageNumber="127">Megaxinus</emphasis>
</taxonomicName>
species are often similar in shape to
<taxonomicName id="4C2C4D1DFFC3F17AFD13FE124B42FDE1" authorityName="Cossmann" authorityYear="1904" box="[646,775,504,530]" class="Bivalvia" family="Lucinidae" genus="Gibbolucina" higherTaxonomySource="CoL" kingdom="Animalia" order="Lucinida" pageId="6" pageNumber="127" phylum="Mollusca" rank="genus">
<emphasis id="B958EA8CFFC3F17AFD13FE124B42FDE1" box="[646,775,504,530]" italics="true" pageId="6" pageNumber="127">Gibbolucina</emphasis>
</taxonomicName>
but all lack hinge teeth, although there are sometimes irregular folds on the hinge plate. They also exhibit ontogenetic changes in shape, becoming relatively higher and thicker shelled with age (
<bibRefCitation id="EFBD4B6FFFC3F17AFED1FD924A7CFD61" author="TAYLOR J. D. &amp; GLOVER E. A." box="[324,569,632,658]" firstAuthor="Glover" pageId="6" pageNumber="127" pagination="335 - 361" refId="ref16093" refString="TAYLOR J. D. &amp; GLOVER E. A. 1997. - A chemosymbiotic lucinid bivalve (Bivalvia: Lucinoidea) with periostracal pipes; functional morphology and description of a new genus and species, in WELLS F. E. (ed.), The Marine Flora and Fauna of the Houtman Abrolhos Islands, Western Australia. Western Australian Museum: 335 - 361." type="book chapter" year="1997">Glover &amp; Taylor 1997</bibRefCitation>
;
<bibRefCitation id="EFBD4B6FFFC3F17AFDDCFD9248F8FD41" author="Cosel &amp; Bouchet" firstAuthor="Cosel" pageId="6" pageNumber="127" pagination="115 - 213" refId="ref13149" refString="COSEL R. VON &amp; BOUCHET P. 2008. - Tropical deep-water lucinids (Mollusca: Bivalvia) from the Indo-Pacific: essentially unknown, but diverse and occasionally gigantic, in HEROS V., COWIE R. &amp; BOUCHET P. (eds) Tropical Deep Sea Benthos, volume 25. Museum national d'Histoire naturelle, Paris, 806 p. (Memoires du Museum national d'Histoire naturelle; 196): 115 - 213." type="book chapter" year="2008">Cosel &amp; Bouchet 2008</bibRefCitation>
). Furthermore, the anterior adductor muscle scar is longer and detached from pallial line for about 2/3 of length rather than about half of length in most
<taxonomicName id="4C2C4D1DFFC3F17AFDA5FD3D4AF4FD02" authorityName="Cossmann" authorityYear="1904" box="[560,689,727,753]" class="Bivalvia" family="Lucinidae" genus="Gibbolucina" higherTaxonomySource="CoL" kingdom="Animalia" order="Lucinida" pageId="6" pageNumber="127" phylum="Mollusca" rank="genus">
<emphasis id="B958EA8CFFC3F17AFDA5FD3D4AF4FD02" box="[560,689,727,753]" italics="true" pageId="6" pageNumber="127">Gibbolucina</emphasis>
</taxonomicName>
species.
<taxonomicName id="4C2C4D1DFFC3F17AFF11FD1248F9FCE2" authorityName="Taylor &amp; Glover" authorityYear="2000" box="[132,188,760,785]" class="Bivalvia" family="Lucinidae" genus="Rasta" kingdom="Animalia" order="Lucinoida" pageId="6" pageNumber="127" phylum="Mollusca" rank="genus">
<emphasis id="B958EA8CFFC3F17AFF11FD1248F9FCE2" box="[132,188,760,785]" italics="true" pageId="6" pageNumber="127">Rasta</emphasis>
</taxonomicName>
species also similarly lack hinge teeth but have a subtrigonal shape, higher than long, with prominent umbones and the two known species,
<taxonomicName id="4C2C4D1DFFC3F17AFE38FCD24A63FCA2" authorityName="Taylor &amp; Glover" authorityYear="1997" box="[429,550,823,849]" class="Insecta" family="Baissogryllidae" genus="Rastafaria" kingdom="Animalia" order="Orthoptera" pageId="6" pageNumber="127" phylum="Arthropoda" rank="species" species="thiophila">
<emphasis id="B958EA8CFFC3F17AFE38FCD24A63FCA2" box="[429,550,823,849]" italics="true" pageId="6" pageNumber="127">R. thiophila</emphasis>
</taxonomicName>
and
<taxonomicName id="4C2C4D1DFFC3F17AFDCCFCD24AF5FCA2" baseAuthorityName="Abrard" baseAuthorityYear="1942" box="[601,688,823,849]" class="Bivalvia" family="Lucinidae" genus="Rasta" kingdom="Animalia" order="Lucinoida" pageId="6" pageNumber="127" phylum="Mollusca" rank="species" species="lamyi">
<emphasis id="B958EA8CFFC3F17AFDCCFCD24AF5FCA2" box="[601,688,823,849]" italics="true" pageId="6" pageNumber="127">R. lamyi</emphasis>
</taxonomicName>
, possess in live or fresh shells, distinctive, long periostracal extensions (
<bibRefCitation id="EFBD4B6FFFC3F17AFF18FC9D4938FC62" author="TAYLOR J. D. &amp; GLOVER E. A." box="[141,381,887,913]" firstAuthor="Glover" pageId="6" pageNumber="127" pagination="335 - 361" refId="ref16093" refString="TAYLOR J. D. &amp; GLOVER E. A. 1997. - A chemosymbiotic lucinid bivalve (Bivalvia: Lucinoidea) with periostracal pipes; functional morphology and description of a new genus and species, in WELLS F. E. (ed.), The Marine Flora and Fauna of the Houtman Abrolhos Islands, Western Australia. Western Australian Museum: 335 - 361." type="book chapter" year="1997">Glover &amp; Taylor 1997</bibRefCitation>
;
<bibRefCitation id="EFBD4B6FFFC3F17AFE1FFC9D4A39FC62" author="GLOVER E. A. &amp; TAYLOR J. D." box="[394,636,887,913]" firstAuthor="Taylor" pageId="6" pageNumber="127" pagination="1 - 18" refId="ref13901" refString="GLOVER E. A. &amp; TAYLOR J. D. 1997. - New species and records of Rastafaria and Megaxinus (Bivalvia: Lucinidae) from the Western Indian Ocean and Red Sea, with a reappraisal of Megaxinus. Journal of Conchology 36: 1 - 18." type="journal article" year="1997">Taylor &amp; Glover 1997</bibRefCitation>
;
<bibRefCitation id="EFBD4B6FFFC3F17AFD1DFC9D48F8FC41" author="TAYLOR J. D. &amp; GLOVER E. A." pageId="6" pageNumber="127" pagination="281 - 338" refId="ref16191" refString="TAYLOR J. D. &amp; GLOVER E. A. 2005. - Cryptic diversity of chemosymbiotic bivalves: a systematic revision of worldwide Anodontia (Mollusca: Bivalvia: Lucinidae). Systematics and Biodiversity 3: 281 - 338. https: // doi. org / 10.1017 / S 1477200005001672" type="journal article" year="2005">
Taylor
<emphasis id="B958EA8CFFC3F17AFD41FC924B42FC62" box="[724,775,887,913]" italics="true" pageId="6" pageNumber="127">et al.</emphasis>
2005
</bibRefCitation>
). An earlier
<emphasis id="B958EA8CFFC3F17AFEDBFC7D49D4FC43" box="[334,401,919,944]" italics="true" pageId="6" pageNumber="127">Rasta-</emphasis>
like species is
<taxonomicName id="4C2C4D1DFFC3F17AFDBAFC7D49C8FC22" authority="Sacco, 1901" authorityName="Sacco" authorityYear="1901" class="Bivalvia" family="Lucinidae" genus="Megaxinus" kingdom="Animalia" order="Lucinoida" pageId="6" pageNumber="127" phylum="Mollusca" rank="variety" species="ellipticus" variety="trigona">
<emphasis id="B958EA8CFFC3F17AFDBAFC7D4B42FC42" box="[559,775,919,945]" italics="true" pageId="6" pageNumber="127">Megaxinus ellipticus</emphasis>
var.
<emphasis id="B958EA8CFFC3F17AFF26FC5D48BBFC23" box="[179,254,951,976]" italics="true" pageId="6" pageNumber="127">trigona</emphasis>
<bibRefCitation id="EFBD4B6FFFC3F17AFE92FC5D49C8FC22" author="Sacco" box="[263,397,951,977]" firstAuthor="Sacco" pageId="6" pageNumber="127" refId="ref15842" refString="SACCO F. 1901. - I molluschi dei terreni terziarii del Piemonte e della Liguria. Parte 29, Clausen Torino, 216 p." type="book" year="1901">Sacco, 1901</bibRefCitation>
</taxonomicName>
described from the early Pliocene of northern
<collectingCountry id="F33B760EFFC3F17AFE99FC3C4979FC03" box="[268,316,982,1008]" name="Italy" pageId="6" pageNumber="127">Italy</collectingCountry>
(MRSN BS154.02.006) and which has a similar higher than long shape, with sharp, curved umbones.
</paragraph>
<paragraph id="8B93369EFFC3F17AFF0EFBFC4912FA9C" blockId="6.[132,776,217,1391]" pageId="6" pageNumber="127">
Another similar genus,
<taxonomicName id="4C2C4D1DFFC3F17AFE17FBFC49B3FBC3" authorityName="Glover &amp; Taylor" authorityYear="2007" box="[386,502,1046,1072]" class="Bivalvia" family="Lucinidae" genus="Parvidontia" kingdom="Animalia" order="Lucinoida" pageId="6" pageNumber="127" phylum="Mollusca" rank="genus">
<emphasis id="B958EA8CFFC3F17AFE17FBFC49B3FBC3" box="[386,502,1046,1072]" italics="true" pageId="6" pageNumber="127">Parvidontia</emphasis>
</taxonomicName>
, was introduced (
<bibRefCitation id="EFBD4B6FFFC3F17AFD32FBFC4942FBA3" author="Glover &amp; Taylor" firstAuthor="Glover" pageId="6" pageNumber="127" pagination="109 - 181" refId="ref13952" refString="GLOVER E. A. &amp; TAYLOR J. D. 2007. - Diversity of chemosymbiotic bivalves on coral reefs: Lucinidae (Mollusca, Bivalvia) of New Caledonia and Lifou. Zoosystema 29 (1): 109 - 181." type="journal article" year="2007">Glover &amp; Taylor 2007</bibRefCitation>
) based on
<taxonomicName id="4C2C4D1DFFC3F17AFEEFFBDD498CFBA3" authorityName="Glover &amp; Taylor" authorityYear="2007" box="[378,457,1078,1104]" class="Bivalvia" family="Lucinidae" genus="Parvidontia" kingdom="Animalia" order="Lucinoida" pageId="6" pageNumber="127" phylum="Mollusca" rank="species" species="laevis">
<emphasis id="B958EA8CFFC3F17AFEEFFBDD498CFBA3" box="[378,457,1078,1104]" italics="true" pageId="6" pageNumber="127">P. laevis</emphasis>
</taxonomicName>
from
<collectingCountry id="F33B760EFFC3F17AFD9FFBDD4AF6FBA3" box="[522,691,1078,1105]" name="New Caledonia" pageId="6" pageNumber="127">New Caledonia</collectingCountry>
, a small species with sub-circular, thin shells and small cardinal teeth. Subsequently,
<bibRefCitation id="EFBD4B6FFFC3F17AFEB6FB9C4A68FB62" author="GLOVER E. A. &amp; TAYLOR J. D." box="[291,557,1142,1169]" pageId="6" pageNumber="127" pagination="65 - 234" refId="ref13996" refString="GLOVER E. A. &amp; TAYLOR J. D. 2016. - Lucinidae of the Philippines: highest known diversity and ubiquity of chemosymbiotic bivalves from intertidal to bathyal depths (Mollusca: Bivalvia). in HEROS V., STRONG E. &amp; BOUCHET P. (eds), Tropical Deep- Sea Benthos 29. Museum national d'Histoire naturelle, Paris, 463 p. (Memoires du Museum national d'Histoire naturelle; 208): 65 - 234." type="book chapter" year="2016">Glover &amp; Taylor (2016)</bibRefCitation>
concluded that the
<taxonomicName id="4C2C4D1DFFC3F17AFF11FB7D4891FB43" authorityName="Glover &amp; Taylor" authorityYear="2007" box="[132,212,1174,1200]" class="Bivalvia" family="Lucinidae" genus="Parvidontia" kingdom="Animalia" order="Lucinoida" pageId="6" pageNumber="127" phylum="Mollusca" rank="species" species="laevis">
<emphasis id="B958EA8CFFC3F17AFF11FB7D4891FB43" box="[132,212,1174,1200]" italics="true" pageId="6" pageNumber="127">P. laevis</emphasis>
</taxonomicName>
specimens were likely juvenile shells and described a second species,
<taxonomicName id="4C2C4D1DFFC3F17AFEBFFB5C4AE5FB23" authority="Glover &amp; Taylor, 2016" authorityName="Glover &amp; Taylor" authorityYear="2016" box="[298,672,1206,1232]" class="Bivalvia" family="Lucinidae" genus="Parvidontia" kingdom="Animalia" order="Lucinoida" pageId="6" pageNumber="127" phylum="Mollusca" rank="species" species="mutabilis">
<emphasis id="B958EA8CFFC3F17AFEBFFB5C49E1FB23" box="[298,420,1206,1232]" italics="true" pageId="6" pageNumber="127">P. mutabilis</emphasis>
<bibRefCitation id="EFBD4B6FFFC3F17AFE3CFB5C4AE5FB23" author="GLOVER E. A. &amp; TAYLOR J. D." box="[425,672,1206,1232]" pageId="6" pageNumber="127" pagination="65 - 234" refId="ref13996" refString="GLOVER E. A. &amp; TAYLOR J. D. 2016. - Lucinidae of the Philippines: highest known diversity and ubiquity of chemosymbiotic bivalves from intertidal to bathyal depths (Mollusca: Bivalvia). in HEROS V., STRONG E. &amp; BOUCHET P. (eds), Tropical Deep- Sea Benthos 29. Museum national d'Histoire naturelle, Paris, 463 p. (Memoires du Museum national d'Histoire naturelle; 208): 65 - 234." type="book chapter" year="2016">Glover &amp; Taylor, 2016</bibRefCitation>
</taxonomicName>
, from the
<collectingCountry id="F33B760EFFC3F17AFF11FB3C48B8FB03" box="[132,253,1238,1264]" name="Philippines" pageId="6" pageNumber="127">Philippines</collectingCountry>
that, in larger individuals, has the general shell form of
<taxonomicName id="4C2C4D1DFFC3F17AFF4FFB1C490FFAFC" authorityName="Brugnone" authorityYear="1880" box="[218,330,1270,1295]" class="Bivalvia" family="Lucinidae" genus="Megaxinus" kingdom="Animalia" order="Lucinoida" pageId="6" pageNumber="127" phylum="Mollusca" rank="genus">
<emphasis id="B958EA8CFFC3F17AFF4FFB1C490FFAFC" box="[218,330,1270,1295]" italics="true" pageId="6" pageNumber="127">Megaxinus</emphasis>
</taxonomicName>
but with small cardinal teeth.
<taxonomicName id="4C2C4D1DFFC3F17AFD19FB1F4B42FAFC" authorityName="Glover &amp; Taylor" authorityYear="2007" box="[652,775,1269,1295]" class="Bivalvia" family="Lucinidae" genus="Parvidontia" kingdom="Animalia" order="Lucinoida" pageId="6" pageNumber="127" phylum="Mollusca" rank="genus">
<emphasis id="B958EA8CFFC3F17AFD19FB1F4B42FAFC" box="[652,775,1269,1295]" italics="true" pageId="6" pageNumber="127">Parvidontia</emphasis>
</taxonomicName>
is similar to
<taxonomicName id="4C2C4D1DFFC3F17AFE9EFAFF49C9FADC" authorityName="Cossmann" authorityYear="1904" box="[267,396,1301,1327]" class="Bivalvia" family="Lucinidae" genus="Gibbolucina" higherTaxonomySource="CoL" kingdom="Animalia" order="Lucinida" pageId="6" pageNumber="127" phylum="Mollusca" rank="genus">
<emphasis id="B958EA8CFFC3F17AFE9EFAFF49C9FADC" box="[267,396,1301,1327]" italics="true" pageId="6" pageNumber="127">Gibbolucina</emphasis>
</taxonomicName>
in shape but has a very thin hinge plate, a sculpture of fine commarginal lamellae and lacks a thick periostracum.
</paragraph>
</subSubSection>
</treatment>
</document>