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<document id="5F28C0548630A5491F75677FAC0BAEFC" ID-DOI="10.4202/app.00554.2018" ID-ISSN="1732-2421" ID-Zenodo-Dep="10980900" IM.bibliography_approvedBy="valdenar" IM.illustrations_approvedBy="valdenar" IM.materialsCitations_approvedBy="valdenar" IM.metadata_approvedBy="felipe" IM.tables_approvedBy="valdenar" IM.taxonomicNames_approvedBy="valdenar" IM.treatmentCitations_approvedBy="valdenar" IM.treatments_approvedBy="valdenar" checkinTime="1713284217429" checkinUser="felipe" docAuthor="Hryniewicz, Krzysztof, Amano, Kazutaka, Bitner, Maria Aleksandra, Hagström, Jonas, Kiel, Steffen, Klompmaker, Adiël A., Mörs, Thomas, Robins, Cristina M. &amp; Kaim, Andrzej" docDate="2019" docId="320C87F44653FFC6FCA5FB04FAD2DCFC" docLanguage="en" docName="ActaPalaeontolPol.64.1.101-141.pdf" docOrigin="Acta Palaeontologica Polonica 64 (1)" docSource="http://dx.doi.org/10.4202/app.00554.2018" docStyle="DocumentStyle:E4780F6D34569985EDF9CACFB9BC780E.2:ActaPalaeontolPol.2015-.journal_article" docStyleId="E4780F6D34569985EDF9CACFB9BC780E" docStyleName="ActaPalaeontolPol.2015-.journal_article" docStyleVersion="2" docTitle="Yoldiella spitsbergensis Amano 2019, sp. nov." docType="treatment" docVersion="3" lastPageNumber="112" masterDocId="CE35FF8C465AFFCDFF8DFFFEFFA8DF58" masterDocTitle="A late Paleocene fauna from shallow-water chemosynthesis-based ecosystems, Spitsbergen, Svalbard" masterLastPageNumber="141" masterPageNumber="101" pageNumber="110" updateTime="1713358443740" updateUser="valdenar" zenodo-license-document="CC-BY-4.0">
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<mods:title id="6E4D6968EFB56B35397CFD24199064B8">A late Paleocene fauna from shallow-water chemosynthesis-based ecosystems, Spitsbergen, Svalbard</mods:title>
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<mods:namePart id="38858575E5332527F2397C08B46C83EC">Klompmaker, Adiël A.</mods:namePart>
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<treatment id="320C87F44653FFC6FCA5FB04FAD2DCFC" LSID="urn:lsid:zoobank.org:act:994EA500-2375-482E-AC28-450F0DD0DA11" httpUri="http://treatment.plazi.org/id/320C87F44653FFC6FCA5FB04FAD2DCFC" lastPageId="11" lastPageNumber="112" pageId="9" pageNumber="110">
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<heading id="E152818E4653FFC4FCA5FB04FA8CDA4E" box="[808,1316,1274,1303]" fontSize="12" level="2" pageId="9" pageNumber="110" reason="2">
<taxonomicName id="7DA54D614653FFC4FCA5FB04FB11DA4F" ID-CoL="7TNPZ" authority="Amano" authorityName="Amano" authorityYear="2019" box="[808,1209,1274,1303]" class="Bivalvia" family="Yoldiidae" genus="Yoldiella" kingdom="Animalia" order="Nuculanida" pageId="9" pageNumber="110" phylum="Mollusca" rank="species" species="spitsbergensis" status="sp. nov.">
<emphasis id="88D1EAF04653FFC4FCA5FB04FBFDDA4F" box="[808,1109,1274,1303]" italics="true" pageId="9" pageNumber="110">Yoldiella spitsbergensis</emphasis>
Amano
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<taxonomicNameLabel id="93E2578B4653FFC4FB4CFB04FA8CDA4E" box="[1217,1316,1274,1302]" pageId="9" pageNumber="110" rank="species">sp. nov.</taxonomicNameLabel>
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<subSubSection id="F2BF65694653FFC4FCA5FAD4FB77DADB" pageId="9" pageNumber="110" type="description">
<paragraph id="BA1A36E24653FFC4FCA5FAD4FC3CDA18" blockId="9.[808,916,1322,1344]" box="[808,916,1322,1344]" pageId="9" pageNumber="110">
<figureCitation id="229E2A674653FFC4FCA5FAD4FC38DA18" box="[808,912,1322,1344]" captionStart="Fig" captionStartId="10.[151,184,1768,1790]" captionTargetBox="[152,1532,160,1744]" captionTargetId="figure-9@10.[152,1532,160,1744]" captionTargetPageId="10" captionText="Fig. 7. Non-chemosymbiotic protobranch bivalves from the upper Paleocene, Basilika Formation, Fossildalen (AE, G, IK) and Zachariassendalen (F, H), Spitsbergen,Svalbard.A.?Nucula sp., ZPAL V.48/10,internal mold of right valve.B.?Malletia sp., ZPAL V.48/11, right valve.C, D.Neilonella sp.C. ZPAL V.48/12, left valve sculptured by fine commarginal ribs. D. ZPAL V.48/13, partial shell, right valve (D1), dorsal view of both valves (D2). EK. Yoldiella spitsbergensis Amano sp. nov. E. Holotype, ZPAL V.48/17, internal mold, right valve (E1), hinge part (E2). F. Paratype, NRM-PZ Mo 186241, silicified shell, hinge part (F1), outer surface (F2). G. Paratype, ZPAL V.48/18, internal mold, right valve (G1), hinge part (G2). H. Paratype, NRM-PZ Mo 186242, silicified shell, right valve. I. ZPAL V.48/19, internal mold, left valve. J. ZPAL V.48/20, partial shell, left valve. K. ZPAL V.48/21, partial shell, partly preserved outer surface, left valve." figureDoi="http://doi.org/10.5281/zenodo.10980916" httpUri="https://zenodo.org/record/10980916/files/figure.png" pageId="9" pageNumber="110">Fig. 7EK</figureCitation>
.
</paragraph>
<paragraph id="BA1A36E24653FFC4FCA5FAAFFB76DA3E" blockId="9.[808,1481,1361,1496]" box="[808,1246,1361,1383]" pageId="9" pageNumber="110">
1925
<taxonomicName id="7DA54D614653FFC4FCD3FAAFFC58DA3E" box="[862,1008,1361,1382]" class="Bivalvia" family="Nuculanidae" genus="Nuculana" kingdom="Animalia" order="Nuculanida" pageId="9" pageNumber="110" phylum="Mollusca" rank="species" species="undefined-1">
<emphasis id="88D1EAF04653FFC4FCD3FAAFFC13DA3E" box="[862,955,1361,1382]" italics="true" pageId="9" pageNumber="110">Nuculana</emphasis>
sp. 1
</taxonomicName>
;
<bibRefCitation id="DE344B134653FFC4FC76FAAFFBC1DA3F" author="Hagg, R." box="[1019,1129,1361,1383]" pageId="9" pageNumber="110" pagination="39 - 55" refId="ref29069" refString="Hagg, R. 1925. A new Tertiary fauna from Spitsbergen. Bulletin of the Geological Institution of the University of Uppsala 20: 39 - 55." type="journal article" year="1925">Hägg 1925</bibRefCitation>
: pl. 3: 6a, 7.
</paragraph>
<paragraph id="BA1A36E24653FFC4FCA5FA93FB77DADB" blockId="9.[808,1481,1361,1496]" box="[808,1247,1389,1411]" pageId="9" pageNumber="110">
1925
<taxonomicName id="7DA54D614653FFC4FCD3FA93FC59DADA" box="[862,1009,1389,1411]" class="Bivalvia" family="Nuculanidae" genus="Nuculana" kingdom="Animalia" order="Nuculanida" pageId="9" pageNumber="110" phylum="Mollusca" rank="species" species="undefined-2">
<emphasis id="88D1EAF04653FFC4FCD3FA93FC13DADA" box="[862,955,1389,1410]" italics="true" pageId="9" pageNumber="110">Nuculana</emphasis>
sp. 2
</taxonomicName>
;
<bibRefCitation id="DE344B134653FFC4FC76FA90FBC1DADB" author="Hagg, R." box="[1019,1129,1389,1411]" pageId="9" pageNumber="110" pagination="39 - 55" refId="ref29069" refString="Hagg, R. 1925. A new Tertiary fauna from Spitsbergen. Bulletin of the Geological Institution of the University of Uppsala 20: 39 - 55." type="journal article" year="1925">Hägg 1925</bibRefCitation>
: pl. 3: 8a, b.
</paragraph>
</subSubSection>
<subSubSection id="F2BF65694653FFC4FCA5FA74FC54DA80" pageId="9" pageNumber="110" type="reference_group">
<paragraph id="BA1A36E24653FFC4FCA5FA74FB25DAC7" blockId="9.[808,1481,1361,1496]" box="[808,1165,1417,1439]" pageId="9" pageNumber="110">
<treatmentCitationGroup id="9AB511CC4653FFC4FCA5FA74FB25DAC7" box="[808,1165,1417,1439]" pageId="9" pageNumber="110">
1927
<taxonomicName id="7DA54D614653FFC4FCD3FA77FC42DAC7" box="[862,1002,1417,1439]" class="Bivalvia" family="Yoldiidae" genus="Portlandia" kingdom="Animalia" order="Nuculanida" pageId="9" pageNumber="110" phylum="Mollusca" rank="species" species="undetermined">
<emphasis id="88D1EAF04653FFC4FCD3FA77FC6EDAC6" box="[862,966,1417,1438]" italics="true" pageId="9" pageNumber="110">Portlandia</emphasis>
sp.
</taxonomicName>
;
<treatmentCitation id="3B0410F34653FFC4FC79FA77FB22DAC7" author="Gripp, K." box="[1012,1162,1417,1439]" page="31" pageId="9" pageNumber="110" year="1927">
<bibRefCitation id="DE344B134653FFC4FC79FA77FB22DAC7" author="Gripp, K." box="[1012,1162,1417,1439]" pageId="9" pageNumber="110" pagination="3 - 38" refId="ref28977" refString="Gripp, K. 1927. Beitrage zur Geologie von Spitzbergen. Abhandlungen des Naturwissenschaftlichen Vereins zu Hamburg 21: 3 - 38." type="journal article" year="1927">Gripp 1927: 31</bibRefCitation>
</treatmentCitation>
.
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</paragraph>
<paragraph id="BA1A36E24653FFC4FCA5FA58FC54DA80" blockId="9.[808,1481,1361,1496]" pageId="9" pageNumber="110">
1970
<taxonomicName id="7DA54D614653FFC4FCEDFA58FBDCDAE3" authority="Hryniewicz &amp; Amano &amp; Bitner &amp; Hagström &amp; Kiel &amp; Klompmaker &amp; Mörs &amp; Robins &amp; Kaim, 2019" authorityName="Hryniewicz &amp; Amano &amp; Bitner &amp; Hagström &amp; Kiel &amp; Klompmaker &amp; Mörs &amp; Robins &amp; Kaim" authorityYear="2019" box="[864,1140,1446,1467]" class="Bivalvia" family="Nuculanidae" genus="Nuculana" kingdom="Animalia" order="Nuculanida" pageId="9" pageNumber="110" phylum="Mollusca" rank="species" species="haeggi" status="sp. nov." subGenus="Jupiteria">
<emphasis id="88D1EAF04653FFC4FCEDFA58FC15DAE3" box="[864,957,1446,1467]" italics="true" pageId="9" pageNumber="110">Nuculana</emphasis>
(
<emphasis id="88D1EAF04653FFC4FC40FA58FB8CDAE3" box="[973,1060,1446,1467]" italics="true" pageId="9" pageNumber="110">Jupiteria</emphasis>
)
<emphasis id="88D1EAF04653FFC4FBBEFA58FBDCDAE3" box="[1075,1140,1446,1467]" italics="true" pageId="9" pageNumber="110">haeggi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="93E2578B4653FFC4FBF1FA58FB1BDAE3" box="[1148,1203,1446,1467]" pageId="9" pageNumber="110" rank="species">n. sp.</taxonomicNameLabel>
;
<bibRefCitation id="DE344B134653FFC4FB33FA58FAFFDAE3" author="Anderson, H. - J." box="[1214,1367,1446,1468]" pageId="9" pageNumber="110" pagination="89 - 101" refId="ref25056" refString="Anderson, H. - J. 1970. Pelecypoda. In: K. Vonderbank (ed.), Geologie und Fauna der tertiaren Ablagerungen Zentral-Spitzbergens. Norsk Polarinstituts Skrifter 153: 89 - 101." type="journal article" year="1970">Anderson 1970</bibRefCitation>
: pl. 9: 2ac (not pl. 9: 1ac).
</paragraph>
</subSubSection>
<subSubSection id="F2BF65694653FFC4FCA5FA1DFBFED9C9" pageId="9" pageNumber="110" type="description">
<paragraph id="BA1A36E24653FFC4FCA5FA1DFC63D94E" blockId="9.[808,1481,1507,1558]" pageId="9" pageNumber="110">
<emphasis id="88D1EAF04653FFC4FCA5FA1DFC1DDAA1" box="[808,949,1507,1529]" italics="true" pageId="9" pageNumber="110">ZooBank LSID</emphasis>
:
<uri id="CE343AE04653FFC4FC4DFA1DFC63D94E" pageId="9" pageNumber="110">
urn:lsid:zoobank.org:act:
<uuid id="CE030C374653FFC4FB29FA1DFC63D94E" pageId="9" pageNumber="110">994EA500-2375-482E-AC28- 450F0DD0DA11</uuid>
</uri>
</paragraph>
<paragraph id="BA1A36E24653FFC4FCA5F9DFFB11D96F" blockId="9.[808,1209,1569,1591]" box="[808,1209,1569,1591]" pageId="9" pageNumber="110">
<emphasis id="88D1EAF04653FFC4FCA5F9DFFC27D96E" box="[808,911,1569,1590]" italics="true" pageId="9" pageNumber="110">Etymology</emphasis>
: Named after the
<typeStatus id="651E88404653FFC4FBB1F9DCFBCDD96F" box="[1084,1125,1570,1591]" pageId="9" pageNumber="110">type</typeStatus>
locality.
</paragraph>
<paragraph id="BA1A36E24653FFC4FCA5F9BDFBFED9C9" blockId="9.[808,1481,1603,1681]" pageId="9" pageNumber="110">
<emphasis id="88D1EAF04653FFC4FCA5F9BDFC03D900" box="[808,939,1603,1624]" italics="true" pageId="9" pageNumber="110">Type material</emphasis>
:
<materialsCitation id="0ACD3CBF4653FFC4FC3AF9BDFA26D900" box="[951,1422,1603,1625]" collectionCode="ZPAL" pageId="9" pageNumber="110" specimenCount="1" typeStatus="holotype">
<typeStatus id="651E88404653FFC4FC3AF9BDFBBCD901" box="[951,1044,1603,1625]" pageId="9" pageNumber="110" type="holotype">Holotype</typeStatus>
:
<collectionCode id="DCB4AE274653FFC4FB91F9BDFBFDD900" box="[1052,1109,1603,1624]" country="Poland" httpUri="http://grbio.org/cool/yd4q-n37a" name="Zoological Institute of Paleobiology, Polish Academy of Sciences" pageId="9" pageNumber="110">ZPAL</collectionCode>
V.48/17, internal mold (
<figureCitation id="229E2A674653FFC4FAB1F9BDFA2ED900" box="[1340,1414,1603,1625]" captionStart="Fig" captionStartId="10.[151,184,1768,1790]" captionTargetBox="[152,1532,160,1744]" captionTargetId="figure-9@10.[152,1532,160,1744]" captionTargetPageId="10" captionText="Fig. 7. Non-chemosymbiotic protobranch bivalves from the upper Paleocene, Basilika Formation, Fossildalen (AE, G, IK) and Zachariassendalen (F, H), Spitsbergen,Svalbard.A.?Nucula sp., ZPAL V.48/10,internal mold of right valve.B.?Malletia sp., ZPAL V.48/11, right valve.C, D.Neilonella sp.C. ZPAL V.48/12, left valve sculptured by fine commarginal ribs. D. ZPAL V.48/13, partial shell, right valve (D1), dorsal view of both valves (D2). EK. Yoldiella spitsbergensis Amano sp. nov. E. Holotype, ZPAL V.48/17, internal mold, right valve (E1), hinge part (E2). F. Paratype, NRM-PZ Mo 186241, silicified shell, hinge part (F1), outer surface (F2). G. Paratype, ZPAL V.48/18, internal mold, right valve (G1), hinge part (G2). H. Paratype, NRM-PZ Mo 186242, silicified shell, right valve. I. ZPAL V.48/19, internal mold, left valve. J. ZPAL V.48/20, partial shell, left valve. K. ZPAL V.48/21, partial shell, partly preserved outer surface, left valve." figureDoi="http://doi.org/10.5281/zenodo.10980916" httpUri="https://zenodo.org/record/10980916/files/figure.png" pageId="9" pageNumber="110">Fig. 7E</figureCitation>
)
</materialsCitation>
.
<materialsCitation id="0ACD3CBF4653FFC4FA1BF9BDFBFAD9C9" collectionCode="ZPAL" pageId="9" pageNumber="110" specimenCount="1" typeStatus="paratype">
<typeStatus id="651E88404653FFC4FA1BF9BDFCF6D92C" pageId="9" pageNumber="110" type="paratype">Paratypes</typeStatus>
: NRM-PZ Mo 186241186242, silicified shells,
<collectionCode id="DCB4AE274653FFC4FABEF9A1FAC4D92C" box="[1331,1388,1631,1652]" country="Poland" httpUri="http://grbio.org/cool/yd4q-n37a" name="Zoological Institute of Paleobiology, Polish Academy of Sciences" pageId="9" pageNumber="110">ZPAL</collectionCode>
V.48/18 21, internal molds (
<figureCitation id="229E2A674653FFC4FC6EF985FBE3D9C9" box="[995,1099,1659,1681]" captionStart="Fig" captionStartId="10.[151,184,1768,1790]" captionTargetBox="[152,1532,160,1744]" captionTargetId="figure-9@10.[152,1532,160,1744]" captionTargetPageId="10" captionText="Fig. 7. Non-chemosymbiotic protobranch bivalves from the upper Paleocene, Basilika Formation, Fossildalen (AE, G, IK) and Zachariassendalen (F, H), Spitsbergen,Svalbard.A.?Nucula sp., ZPAL V.48/10,internal mold of right valve.B.?Malletia sp., ZPAL V.48/11, right valve.C, D.Neilonella sp.C. ZPAL V.48/12, left valve sculptured by fine commarginal ribs. D. ZPAL V.48/13, partial shell, right valve (D1), dorsal view of both valves (D2). EK. Yoldiella spitsbergensis Amano sp. nov. E. Holotype, ZPAL V.48/17, internal mold, right valve (E1), hinge part (E2). F. Paratype, NRM-PZ Mo 186241, silicified shell, hinge part (F1), outer surface (F2). G. Paratype, ZPAL V.48/18, internal mold, right valve (G1), hinge part (G2). H. Paratype, NRM-PZ Mo 186242, silicified shell, right valve. I. ZPAL V.48/19, internal mold, left valve. J. ZPAL V.48/20, partial shell, left valve. K. ZPAL V.48/21, partial shell, partly preserved outer surface, left valve." figureDoi="http://doi.org/10.5281/zenodo.10980916" httpUri="https://zenodo.org/record/10980916/files/figure.png" pageId="9" pageNumber="110">Fig. 7FK</figureCitation>
)
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="F2BF65694653FFC6FCA5F963FCABDFA1" lastPageId="11" lastPageNumber="112" pageId="9" pageNumber="110" type="materials_examined">
<paragraph id="BA1A36E24653FFC4FCA5F963FAAAD9EB" blockId="9.[808,1282,1693,1715]" box="[808,1282,1693,1715]" pageId="9" pageNumber="110">
<materialsCitation id="0ACD3CBF4653FFC4FCA5F963FB56D9EB" box="[808,1278,1693,1715]" country="Svalbard and Jan Mayen" location="Fossildalen" municipality="Spitsbergen" pageId="9" pageNumber="110" specimenCount="1" typeStatus="holotype">
<emphasis id="88D1EAF04653FFC4FCA5F963FC0BD9EA" box="[808,931,1693,1714]" italics="true" pageId="9" pageNumber="110">
<typeStatus id="651E88404653FFC4FCA5F963FCFDD9EA" box="[808,853,1693,1714]" pageId="9" pageNumber="110">Type</typeStatus>
locality
</emphasis>
:
<location id="BF7A60394653FFC4FC3DF963FB88D9EB" LSID="urn:lsid:plazi:treatment:320C87F44653FFC6FCA5FB04FAD2DCFC:BF7A60394653FFC4FC3DF963FB88D9EB" box="[944,1056,1693,1715]" country="Svalbard and Jan Mayen" municipality="Spitsbergen" name="Fossildalen" pageId="9" pageNumber="110">Fossildalen</location>
,
<collectingMunicipality id="5A7EAC984653FFC4FBA4F963FB34D9EB" box="[1065,1180,1693,1715]" pageId="9" pageNumber="110">Spitsbergen</collectingMunicipality>
,
<collectingCountry id="C2B276724653FFC4FB2BF963FB56D9EB" box="[1190,1278,1693,1715]" name="Svalbard and Jan Mayen" pageId="9" pageNumber="110">Svalbard</collectingCountry>
</materialsCitation>
.
</paragraph>
<paragraph id="BA1A36E24653FFC4FCA5F941FC39D9A9" blockId="9.[808,1481,1726,1777]" pageId="9" pageNumber="110">
<materialsCitation id="0ACD3CBF4653FFC4FCA5F941FC24D9A9" county="upper Paleocene" location="Cold" municipality="Basilika Formation" pageId="9" pageNumber="110" specimenCount="1" typeStatus="holotype">
<emphasis id="88D1EAF04653FFC4FCA5F941FC0AD98B" box="[808,930,1726,1748]" italics="true" pageId="9" pageNumber="110">
<typeStatus id="651E88404653FFC4FCA5F941FCFDD98C" box="[808,853,1727,1748]" pageId="9" pageNumber="110">Type</typeStatus>
horizon
</emphasis>
:
<location id="BF7A60394653FFC4FC23F940FC75D98C" LSID="urn:lsid:plazi:treatment:320C87F44653FFC6FCA5FB04FAD2DCFC:BF7A60394653FFC4FC23F940FC75D98C" box="[942,989,1726,1748]" county="upper Paleocene" municipality="Basilika Formation" name="Cold" pageId="9" pageNumber="110">Cold</location>
seep carbonates from the
<collectingMunicipality id="5A7EAC984653FFC4FB5DF940FA23D98C" box="[1232,1419,1726,1748]" pageId="9" pageNumber="110">Basilika Formation</collectingMunicipality>
,
<collectingCounty id="537B4E6E4653FFC4FA1FF941FC24D9A9" pageId="9" pageNumber="110">upper Paleocene</collectingCounty>
</materialsCitation>
.
</paragraph>
<paragraph id="BA1A36E24653FFC4FCA5F8FCFB1BD824" blockId="9.[808,1481,1794,1916]" pageId="9" pageNumber="110">
<emphasis id="88D1EAF04653FFC4FCA5F8FCFC22D844" box="[808,906,1794,1820]" italics="true" pageId="9" pageNumber="110">Material</emphasis>
.—
<materialsCitation id="0ACD3CBF4653FFC4FC21F8FCFB07D824" collectionCode="ZPAL" country="Svalbard and Jan Mayen" county="Spitsbergen" location="upper Paleocene" municipality="Paleocene of Fossildalen" pageId="9" pageNumber="110" specimenCount="27">
<specimenCount id="ACA3FD6B4653FFC4FC21F8FCFBE3D844" box="[940,1099,1794,1820]" count="27" pageId="9" pageNumber="110" type="generic">27 specimens</specimenCount>
, shells, internal molds and silicified shells, including seven figured (
<collectionCode id="DCB4AE274653FFC4FB60F8DCFA9CD864" box="[1261,1332,1826,1852]" country="Poland" httpUri="http://grbio.org/cool/yd4q-n37a" name="Zoological Institute of Paleobiology, Polish Academy of Sciences" pageId="9" pageNumber="110">ZPAL</collectionCode>
V.48/1418; NRM-PZ Mo 186241186242) from the
<location id="BF7A60394653FFC4FB7DF8BDFA02D804" LSID="urn:lsid:plazi:treatment:320C87F44653FFC6FCA5FB04FAD2DCFC:BF7A60394653FFC4FB7DF8BDFA02D804" box="[1264,1450,1858,1885]" country="Svalbard and Jan Mayen" county="Spitsbergen" municipality="Paleocene of Fossildalen" name="upper Paleocene" pageId="9" pageNumber="110">
upper
<collectingMunicipality id="5A7EAC984653FFC4FAB5F8BCFC02D824" pageId="9" pageNumber="110">Paleocene of Fossildalen</collectingMunicipality>
</location>
,
<collectingCounty id="537B4E6E4653FFC4FC38F89CFB94D824" box="[949,1084,1890,1916]" pageId="9" pageNumber="110">Spitsbergen</collectingCounty>
,
<collectingCountry id="C2B276724653FFC4FBC5F89CFB07D824" box="[1096,1199,1890,1916]" name="Svalbard and Jan Mayen" pageId="9" pageNumber="110">Svalbard</collectingCountry>
</materialsCitation>
.
</paragraph>
<paragraph id="BA1A36E24653FFC6FCA5F870FCABDFA1" blockId="9.[808,1480,1933,1960]" lastBlockId="11.[98,771,158,250]" lastPageId="11" lastPageNumber="112" pageId="9" pageNumber="110">
<emphasis id="88D1EAF04653FFC4FCA5F870FC64D8FF" box="[808,972,1934,1959]" italics="true" pageId="9" pageNumber="110">Measurements</emphasis>
.—The
<typeStatus id="651E88404653FFC4FBACF873FB2CD8FF" box="[1057,1156,1933,1959]" pageId="9" pageNumber="110" type="holotype">holotype</typeStatus>
(
<collectionCode id="DCB4AE274653FFC4FB1FF873FB71D8FF" box="[1170,1241,1933,1959]" country="Poland" httpUri="http://grbio.org/cool/yd4q-n37a" name="Zoological Institute of Paleobiology, Polish Academy of Sciences" pageId="9" pageNumber="110">ZPAL</collectionCode>
V.48/17): L,
<quantity id="7D5D9B074653FFC4FAE6F873FA6DD8F0" box="[1387,1477,1933,1960]" metricMagnitude="-3" metricUnit="m" metricValue="4.9" pageId="9" pageNumber="110" unit="mm" value="4.9">4.9 mm</quantity>
; H,
<quantity id="7D5D9B074651FFC6FF08FF60FF76DFE1" box="[133,222,158,185]" metricMagnitude="-3" metricUnit="m" metricValue="3.6" pageId="11" pageNumber="112" unit="mm" value="3.6">3.6 mm</quantity>
; W,
<quantity id="7D5D9B074651FFC6FE9DFF60FEC2DFE1" box="[272,362,158,185]" metricMagnitude="-3" metricUnit="m" metricValue="3.2" pageId="11" pageNumber="112" unit="mm" value="3.2">3.2 mm</quantity>
. Dimensions range: L,
<quantity id="7D5D9B074651FFC6FDFCFF60FD56DFE1" box="[625,766,158,185]" metricMagnitude="-3" metricUnit="m" metricValue="4.8" metricValueMax="6.3" metricValueMin="3.3" pageId="11" pageNumber="112" unit="mm" value="4.8" valueMax="6.3" valueMin="3.3">3.36.3 mm</quantity>
; H, 2.85.0 mm; W,
<quantity id="7D5D9B074651FFC6FEB1FF41FE6BDF81" box="[316,451,191,217]" metricMagnitude="-3" metricUnit="m" metricValue="2.8" metricValueMax="3.8" metricValueMin="1.8" pageId="11" pageNumber="112" unit="mm" value="2.8" valueMax="3.8" valueMin="1.8">1.83.8 mm</quantity>
; W/L, 0.410.65; H/L, 0.59 0.85; n = 14. See
<tableCitation id="F72703594651FFC6FE92FF21FED8DFA1" box="[287,368,223,249]" captionStart="Table 1" captionStartId="11.[809,862,159,181]" captionTargetId="graphics-779@11.[808,1481,227,732]" captionTargetPageId="11" captionText="Table 1. List of measured specimens of Yoldiella spitsbergensis Amano sp. nov. Abbreviations: H, height; L, lenght; W, width." pageId="11" pageNumber="112">Table 1</tableCitation>
for full list of measured specimens.
</paragraph>
</subSubSection>
<caption id="EEDA666A4650FFC7FF1AF916FE19D8FE" ID-DOI="http://doi.org/10.5281/zenodo.10980916" ID-Zenodo-Dep="10980916" httpUri="https://zenodo.org/record/10980916/files/figure.png" pageId="10" pageNumber="111" startId="10.[151,184,1768,1790]" targetBox="[152,1532,160,1744]" targetPageId="10" targetType="figure">
<paragraph id="BA1A36E24650FFC7FF1AF916FE19D8FE" blockId="10.[151,1535,1768,1958]" pageId="10" pageNumber="111">
Fig. 7. Non-chemosymbiotic protobranch bivalves from the upper Paleocene, Basilika Formation, Fossildalen (AE, G, IK) and Zachariassendalen (F, H), Spitsbergen, Svalbard.
<emphasis id="88D1EAF04650FFC7FEEEF8FAFEDBD841" bold="true" box="[355,371,1796,1817]" pageId="10" pageNumber="111">A</emphasis>
.?
<taxonomicName id="7DA54D614650FFC7FE0AF8FAFE40D842" box="[391,488,1796,1818]" class="Bivalvia" family="Nuculidae" genus="Nucula" kingdom="Animalia" order="Nuculida" pageId="10" pageNumber="111" phylum="Mollusca" rank="species" species="undetermined">
<emphasis id="88D1EAF04650FFC7FE0AF8FAFE60D841" box="[391,456,1796,1817]" italics="true" pageId="10" pageNumber="111">Nucula</emphasis>
sp.
</taxonomicName>
, ZPAL V.48/10, internal mold of right valve.
<emphasis id="88D1EAF04650FFC7FCF9F8FAFC2BD841" bold="true" box="[884,899,1796,1817]" pageId="10" pageNumber="111">B</emphasis>
.?
<taxonomicName id="7DA54D614650FFC7FC1BF8FAFBAAD842" box="[918,1026,1796,1818]" class="Bivalvia" family="Malletiidae" genus="Malletia" kingdom="Animalia" order="Nuculanida" pageId="10" pageNumber="111" phylum="Mollusca" rank="species" species="undetermined">
<emphasis id="88D1EAF04650FFC7FC1BF8FAFC4AD841" box="[918,994,1796,1817]" italics="true" pageId="10" pageNumber="111">Malletia</emphasis>
sp.
</taxonomicName>
, ZPAL V.48/11, right valve.
<emphasis id="88D1EAF04650FFC7FB76F8FAFAA3D842" bold="true" box="[1275,1291,1796,1818]" pageId="10" pageNumber="111">C</emphasis>
,
<emphasis id="88D1EAF04650FFC7FA98F8FAFA8DD841" bold="true" box="[1301,1317,1796,1817]" pageId="10" pageNumber="111">D</emphasis>
.
<taxonomicName id="7DA54D614650FFC7FAA2F8FAFA17D842" box="[1327,1471,1796,1818]" class="Bivalvia" family="Neilonellidae" genus="Neilonella" kingdom="Animalia" order="Nuculanida" pageId="10" pageNumber="111" phylum="Mollusca" rank="species" species="undefined-C">
<emphasis id="88D1EAF04650FFC7FAA2F8FAFA24D841" box="[1327,1420,1796,1817]" italics="true" pageId="10" pageNumber="111">Neilonella</emphasis>
sp.
<emphasis id="88D1EAF04650FFC7FA22F8FAFA17D842" bold="true" box="[1455,1471,1796,1818]" pageId="10" pageNumber="111">C</emphasis>
</taxonomicName>
. ZPAL V.48/12, left valve sculptured by fine commarginal ribs.
<emphasis id="88D1EAF04650FFC7FD1AF8DEFD0FD86D" bold="true" box="[663,679,1824,1845]" pageId="10" pageNumber="111">D</emphasis>
. ZPAL V.48/13, partial shell, right valve (D
<subScript id="262134A74650FFC7FBB8F8D4FB95D860" attach="right" box="[1077,1085,1834,1848]" fontSize="6" pageId="10" pageNumber="111">1</subScript>
), dorsal view of both valves (D
<subScript id="262134A74650FFC7FAD0F8D4FACDD860" attach="left" box="[1373,1381,1834,1848]" fontSize="6" pageId="10" pageNumber="111">2</subScript>
).
<emphasis id="88D1EAF04650FFC7FAF5F8DEFA0CD86D" bold="true" box="[1400,1444,1824,1846]" pageId="10" pageNumber="111">EK</emphasis>
.
<taxonomicName id="7DA54D614650FFC7FA3DF8DEFEF5D809" authority="Amano" authorityName="Amano" authorityYear="2019" class="Bivalvia" family="Yoldiidae" genus="Yoldiella" kingdom="Animalia" order="Nuculanida" pageId="10" pageNumber="111" phylum="Mollusca" rank="species" species="spitsbergensis" status="sp. nov.">
<emphasis id="88D1EAF04650FFC7FA3DF8DEFEBDD809" italics="true" pageId="10" pageNumber="111">Yoldiella spitsbergensis</emphasis>
Amano
</taxonomicName>
<taxonomicNameLabel id="93E2578B4650FFC7FEE9F8C3FE03D80A" box="[356,427,1853,1874]" pageId="10" pageNumber="111" rank="species">sp. nov.</taxonomicNameLabel>
<emphasis id="88D1EAF04650FFC7FE3DF8C2FE17D809" bold="true" box="[432,447,1852,1873]" pageId="10" pageNumber="111">E</emphasis>
. Holotype, ZPAL V.48/17, internal mold, right valve (E
<subScript id="262134A74650FFC7FC31F8B8FC6CD80C" attach="left" box="[956,964,1862,1876]" fontSize="6" pageId="10" pageNumber="111">1</subScript>
), hinge part (E
<subScript id="262134A74650FFC7FBC2F8B8FBFFD80C" attach="left" box="[1103,1111,1862,1876]" fontSize="6" pageId="10" pageNumber="111">2</subScript>
).
<emphasis id="88D1EAF04650FFC7FBE7F8C2FBD0D809" bold="true" box="[1130,1144,1852,1873]" pageId="10" pageNumber="111">F</emphasis>
. Paratype, NRM-PZ Mo 186241, silicified shell, hinge part (F
<subScript id="262134A74650FFC7FECFF89CFEE2D828" attach="left" box="[322,330,1890,1904]" fontSize="6" pageId="10" pageNumber="111">1</subScript>
), outer surface (F
<subScript id="262134A74650FFC7FE61F89CFE5CD828" attach="left" box="[492,500,1890,1904]" fontSize="6" pageId="10" pageNumber="111">2</subScript>
).
<emphasis id="88D1EAF04650FFC7FD8AF8A6FDB1D836" bold="true" box="[519,537,1880,1902]" pageId="10" pageNumber="111">G</emphasis>
. Paratype, ZPAL V.48/18, internal mold, right valve (G
<subScript id="262134A74650FFC7FB82F89CFBBFD828" attach="left" box="[1039,1047,1890,1904]" fontSize="6" pageId="10" pageNumber="111">1</subScript>
), hinge part (G
<subScript id="262134A74650FFC7FB2FF89CFB02D828" attach="left" box="[1186,1194,1890,1904]" fontSize="6" pageId="10" pageNumber="111">2</subScript>
).
<emphasis id="88D1EAF04650FFC7FB30F8A6FB67D835" bold="true" box="[1213,1231,1880,1901]" pageId="10" pageNumber="111">H</emphasis>
. Paratype, NRM-PZ Mo 186242, silicified shell, right valve.
<emphasis id="88D1EAF04650FFC7FE01F88AFE3DD8D1" bold="true" box="[396,405,1908,1929]" pageId="10" pageNumber="111">I</emphasis>
. ZPAL V.48/19, internal mold, left valve.
<emphasis id="88D1EAF04650FFC7FC83F88AFCB1D8D1" bold="true" box="[782,793,1908,1929]" pageId="10" pageNumber="111">J</emphasis>
. ZPAL V.48/20, partial shell, left valve.
<emphasis id="88D1EAF04650FFC7FB09F88AFB3DD8D1" bold="true" box="[1156,1173,1908,1929]" pageId="10" pageNumber="111">K</emphasis>
. ZPAL V.48/21, partial shell, partly preserved outer surface, left valve.
</paragraph>
</caption>
<caption id="EEDA666A4651FFC6FCA4FF61FA9ADF8A" pageId="11" pageNumber="112" startId="11.[809,862,159,181]" targetBox="[816,1463,236,730]" targetIsTable="true" targetPageId="11" targetType="table">
<paragraph id="BA1A36E24651FFC6FCA4FF61FA9ADF8A" blockId="11.[808,1483,159,210]" pageId="11" pageNumber="112">
Table 1. List of measured specimens of
<taxonomicName id="7DA54D614651FFC6FB2DFF61FA63DFEC" authority="Amano" authorityName="Amano" authorityYear="2019" box="[1184,1483,159,180]" class="Bivalvia" family="Yoldiidae" genus="Yoldiella" kingdom="Animalia" order="Nuculanida" pageId="11" pageNumber="112" phylum="Mollusca" rank="species" species="spitsbergensis" status="sp. nov.">
<emphasis id="88D1EAF04651FFC6FB2DFF61FA28DFEC" box="[1184,1408,159,180]" italics="true" pageId="11" pageNumber="112">Yoldiella spitsbergensis</emphasis>
Amano
</taxonomicName>
<taxonomicNameLabel id="93E2578B4651FFC6FCA5FF43FCDBDF8A" box="[808,883,189,210]" pageId="11" pageNumber="112" rank="species">sp. nov.</taxonomicNameLabel>
Abbreviations: H, height; L, lenght; W, width.
</paragraph>
</caption>
<paragraph id="BA1A36E24651FFC6FCF7FF04FA1DDD82" pageId="11" pageNumber="112">
<table id="C8A5C44246510032FCBDFF12FA1FDD82" box="[816,1463,236,730]" colsContinueIn="20.[159,813,1740,1949]" gridcols="6" gridrows="15" pageId="11" pageNumber="112">
<tr id="049534A046510032FCBDFF12FA1FDE46" box="[816,1463,236,286]" gridrow="0" pageId="11" pageNumber="112">
<th id="47445DDC46510032FCBDFF12FB8CDE46" box="[816,1060,236,286]" gridcol="0" gridrow="0" pageId="11" pageNumber="112">Specimen</th>
<th id="47445DDC46510032FBB4FF12FBD5DE46" box="[1081,1149,236,286]" gridcol="1" gridrow="0" pageId="11" pageNumber="112">Length (mm)</th>
<th id="47445DDC46510032FB18FF12FB7EDE46" box="[1173,1238,236,286]" gridcol="2" gridrow="0" pageId="11" pageNumber="112">Height (mm)</th>
<th id="47445DDC46510032FB60FF12FABFDE46" box="[1261,1303,236,286]" gridcol="3" gridrow="0" pageId="11" pageNumber="112">H/L</th>
<th id="47445DDC46510032FABCFF12FAC4DE46" box="[1329,1388,236,286]" gridcol="4" gridrow="0" pageId="11" pageNumber="112">Width (mm)</th>
<th id="47445DDC46510032FA06FF12FA1FDE46" box="[1419,1463,236,286]" gridcol="5" gridrow="0" pageId="11" pageNumber="112">W/L</th>
</tr>
<tr id="049534A046510032FCBDFED9FA1FDE65" box="[816,1463,295,317]" gridrow="1" pageId="11" pageNumber="112">
<th id="47445DDC46510032FCBDFED9FB8CDE65" box="[816,1060,295,317]" gridcol="0" gridrow="1" pageId="11" pageNumber="112">ZPAL V.48/17 (holotype)</th>
<td id="47445DDC46510032FBB4FED9FBD5DE65" box="[1081,1149,295,317]" gridcol="1" gridrow="1" pageId="11" pageNumber="112">4.9</td>
<td id="47445DDC46510032FB18FED9FB7EDE65" box="[1173,1238,295,317]" gridcol="2" gridrow="1" pageId="11" pageNumber="112">3.6</td>
<td id="47445DDC46510032FB60FED9FABFDE65" box="[1261,1303,295,317]" gridcol="3" gridrow="1" pageId="11" pageNumber="112">0.73</td>
<td id="47445DDC46510032FABCFED9FAC4DE65" box="[1329,1388,295,317]" gridcol="4" gridrow="1" pageId="11" pageNumber="112">3.2</td>
<td id="47445DDC46510032FA06FED9FA1FDE65" box="[1419,1463,295,317]" gridcol="5" gridrow="1" pageId="11" pageNumber="112">0.65</td>
</tr>
<tr id="049534A046510032FCBDFEB9FA1FDE05" box="[816,1463,327,349]" gridrow="2" pageId="11" pageNumber="112">
<th id="47445DDC46510032FCBDFEB9FB8CDE05" box="[816,1060,327,349]" gridcol="0" gridrow="2" pageId="11" pageNumber="112">ZPAL V.48/18 (paratype)</th>
<td id="47445DDC46510032FBB4FEB9FBD5DE05" box="[1081,1149,327,349]" gridcol="1" gridrow="2" pageId="11" pageNumber="112">3.3</td>
<td id="47445DDC46510032FB18FEB9FB7EDE05" box="[1173,1238,327,349]" gridcol="2" gridrow="2" pageId="11" pageNumber="112">2.8</td>
<td id="47445DDC46510032FB60FEB9FABFDE05" box="[1261,1303,327,349]" gridcol="3" gridrow="2" pageId="11" pageNumber="112">0.85</td>
<td id="47445DDC46510032FABCFEB9FAC4DE05" box="[1329,1388,327,349]" gridcol="4" gridrow="2" pageId="11" pageNumber="112">1.8</td>
<td id="47445DDC46510032FA06FEB9FA1FDE05" box="[1419,1463,327,349]" gridcol="5" gridrow="2" pageId="11" pageNumber="112">0.55</td>
</tr>
<tr id="049534A046510032FCBDFE99FA1FDE25" box="[816,1463,359,381]" gridrow="3" pageId="11" pageNumber="112">
<th id="47445DDC46510032FCBDFE99FB8CDE25" box="[816,1060,359,381]" gridcol="0" gridrow="3" pageId="11" pageNumber="112">ZPAL V.48/19 (paratype)</th>
<td id="47445DDC46510032FBB4FE99FBD5DE25" box="[1081,1149,359,381]" gridcol="1" gridrow="3" pageId="11" pageNumber="112">5.3</td>
<td id="47445DDC46510032FB18FE99FB7EDE25" box="[1173,1238,359,381]" gridcol="2" gridrow="3" pageId="11" pageNumber="112">3.9</td>
<td id="47445DDC46510032FB60FE99FABFDE25" box="[1261,1303,359,381]" gridcol="3" gridrow="3" pageId="11" pageNumber="112">0.74</td>
<td id="47445DDC46510032FABCFE99FAC4DE25" box="[1329,1388,359,381]" gridcol="4" gridrow="3" pageId="11" pageNumber="112"></td>
<td id="47445DDC46510032FA06FE99FA1FDE25" box="[1419,1463,359,381]" gridcol="5" gridrow="3" pageId="11" pageNumber="112"></td>
</tr>
<tr id="049534A046510032FCBDFE79FA1FDEC5" box="[816,1463,391,413]" gridrow="4" pageId="11" pageNumber="112">
<th id="47445DDC46510032FCBDFE79FB8CDEC5" box="[816,1060,391,413]" gridcol="0" gridrow="4" pageId="11" pageNumber="112">ZPAL V.48/20 (paratype)</th>
<td id="47445DDC46510032FBB4FE79FBD5DEC5" box="[1081,1149,391,413]" gridcol="1" gridrow="4" pageId="11" pageNumber="112">3.8</td>
<td id="47445DDC46510032FB18FE79FB7EDEC5" box="[1173,1238,391,413]" gridcol="2" gridrow="4" pageId="11" pageNumber="112">2.7</td>
<td id="47445DDC46510032FB60FE79FABFDEC5" box="[1261,1303,391,413]" gridcol="3" gridrow="4" pageId="11" pageNumber="112">0.71</td>
<td id="47445DDC46510032FABCFE79FAC4DEC5" box="[1329,1388,391,413]" gridcol="4" gridrow="4" pageId="11" pageNumber="112">2.1</td>
<td id="47445DDC46510032FA06FE79FA1FDEC5" box="[1419,1463,391,413]" gridcol="5" gridrow="4" pageId="11" pageNumber="112">0.55</td>
</tr>
<tr id="049534A046510032FCBDFE58FA1FDEE5" box="[816,1463,422,445]" gridrow="5" pageId="11" pageNumber="112">
<th id="47445DDC46510032FCBDFE58FB8CDEE5" box="[816,1060,422,445]" gridcol="0" gridrow="5" pageId="11" pageNumber="112">ZPAL V.48/21 (paratype)</th>
<td id="47445DDC46510032FBB4FE58FBD5DEE5" box="[1081,1149,422,445]" gridcol="1" gridrow="5" pageId="11" pageNumber="112">3.5</td>
<td id="47445DDC46510032FB18FE58FB7EDEE5" box="[1173,1238,422,445]" gridcol="2" gridrow="5" pageId="11" pageNumber="112">2.7</td>
<td id="47445DDC46510032FB60FE58FABFDEE5" box="[1261,1303,422,445]" gridcol="3" gridrow="5" pageId="11" pageNumber="112">0.77</td>
<td id="47445DDC46510032FABCFE58FAC4DEE5" box="[1329,1388,422,445]" gridcol="4" gridrow="5" pageId="11" pageNumber="112">2.1</td>
<td id="47445DDC46510032FA06FE58FA1FDEE5" box="[1419,1463,422,445]" gridcol="5" gridrow="5" pageId="11" pageNumber="112">0.60</td>
</tr>
<tr id="049534A046510032FCBDFE38FA1FDE84" box="[816,1463,454,476]" gridrow="6" pageId="11" pageNumber="112">
<th id="47445DDC46510032FCBDFE38FB8CDE84" box="[816,1060,454,476]" gridcol="0" gridrow="6" pageId="11" pageNumber="112">ZPAL V.48/22</th>
<td id="47445DDC46510032FBB4FE38FBD5DE84" box="[1081,1149,454,476]" gridcol="1" gridrow="6" pageId="11" pageNumber="112">3.9</td>
<td id="47445DDC46510032FB18FE38FB7EDE84" box="[1173,1238,454,476]" gridcol="2" gridrow="6" pageId="11" pageNumber="112">2.3</td>
<td id="47445DDC46510032FB60FE38FABFDE84" box="[1261,1303,454,476]" gridcol="3" gridrow="6" pageId="11" pageNumber="112">0.59</td>
<td id="47445DDC46510032FABCFE38FAC4DE84" box="[1329,1388,454,476]" gridcol="4" gridrow="6" pageId="11" pageNumber="112">2.1</td>
<td id="47445DDC46510032FA06FE38FA1FDE84" box="[1419,1463,454,476]" gridcol="5" gridrow="6" pageId="11" pageNumber="112">0.54</td>
</tr>
<tr id="049534A046510032FCBDFE18FA1FDEA4" box="[816,1463,486,508]" gridrow="7" pageId="11" pageNumber="112">
<th id="47445DDC46510032FCBDFE18FB8CDEA4" box="[816,1060,486,508]" gridcol="0" gridrow="7" pageId="11" pageNumber="112">ZPAL V.48/23</th>
<td id="47445DDC46510032FBB4FE18FBD5DEA4" box="[1081,1149,486,508]" gridcol="1" gridrow="7" pageId="11" pageNumber="112">4.2</td>
<td id="47445DDC46510032FB18FE18FB7EDEA4" box="[1173,1238,486,508]" gridcol="2" gridrow="7" pageId="11" pageNumber="112">3.0</td>
<td id="47445DDC46510032FB60FE18FABFDEA4" box="[1261,1303,486,508]" gridcol="3" gridrow="7" pageId="11" pageNumber="112">0.71</td>
<td id="47445DDC46510032FABCFE18FAC4DEA4" box="[1329,1388,486,508]" gridcol="4" gridrow="7" pageId="11" pageNumber="112">2.4</td>
<td id="47445DDC46510032FA06FE18FA1FDEA4" box="[1419,1463,486,508]" gridcol="5" gridrow="7" pageId="11" pageNumber="112">0.57</td>
</tr>
<tr id="049534A046510032FCBDFDF8FA1FDD44" box="[816,1463,518,540]" gridrow="8" pageId="11" pageNumber="112">
<th id="47445DDC46510032FCBDFDF8FB8CDD44" box="[816,1060,518,540]" gridcol="0" gridrow="8" pageId="11" pageNumber="112">ZPAL V.48/24</th>
<td id="47445DDC46510032FBB4FDF8FBD5DD44" box="[1081,1149,518,540]" gridcol="1" gridrow="8" pageId="11" pageNumber="112">4.1</td>
<td id="47445DDC46510032FB18FDF8FB7EDD44" box="[1173,1238,518,540]" gridcol="2" gridrow="8" pageId="11" pageNumber="112">2.7</td>
<td id="47445DDC46510032FB60FDF8FABFDD44" box="[1261,1303,518,540]" gridcol="3" gridrow="8" pageId="11" pageNumber="112">0.66</td>
<td id="47445DDC46510032FABCFDF8FAC4DD44" box="[1329,1388,518,540]" gridcol="4" gridrow="8" pageId="11" pageNumber="112">1.7</td>
<td id="47445DDC46510032FA06FDF8FA1FDD44" box="[1419,1463,518,540]" gridcol="5" gridrow="8" pageId="11" pageNumber="112">0.41</td>
</tr>
<tr id="049534A046510032FCBDFDDBFA1FDD63" box="[816,1463,549,571]" gridrow="9" pageId="11" pageNumber="112">
<th id="47445DDC46510032FCBDFDDBFB8CDD63" box="[816,1060,549,571]" gridcol="0" gridrow="9" pageId="11" pageNumber="112">ZPAL V.48/25</th>
<td id="47445DDC46510032FBB4FDDBFBD5DD63" box="[1081,1149,549,571]" gridcol="1" gridrow="9" pageId="11" pageNumber="112">6.3</td>
<td id="47445DDC46510032FB18FDDBFB7EDD63" box="[1173,1238,549,571]" gridcol="2" gridrow="9" pageId="11" pageNumber="112">5.0</td>
<td id="47445DDC46510032FB60FDDBFABFDD63" box="[1261,1303,549,571]" gridcol="3" gridrow="9" pageId="11" pageNumber="112">0.79</td>
<td id="47445DDC46510032FABCFDDBFAC4DD63" box="[1329,1388,549,571]" gridcol="4" gridrow="9" pageId="11" pageNumber="112">3.8</td>
<td id="47445DDC46510032FA06FDDBFA1FDD63" box="[1419,1463,549,571]" gridcol="5" gridrow="9" pageId="11" pageNumber="112">0.60</td>
</tr>
<tr id="049534A046510032FCBDFDBBFA1FDD03" box="[816,1463,581,603]" gridrow="10" pageId="11" pageNumber="112">
<th id="47445DDC46510032FCBDFDBBFB8CDD03" box="[816,1060,581,603]" gridcol="0" gridrow="10" pageId="11" pageNumber="112">ZPAL V.48/26</th>
<td id="47445DDC46510032FBB4FDBBFBD5DD03" box="[1081,1149,581,603]" gridcol="1" gridrow="10" pageId="11" pageNumber="112">4.4</td>
<td id="47445DDC46510032FB18FDBBFB7EDD03" box="[1173,1238,581,603]" gridcol="2" gridrow="10" pageId="11" pageNumber="112">3.1</td>
<td id="47445DDC46510032FB60FDBBFABFDD03" box="[1261,1303,581,603]" gridcol="3" gridrow="10" pageId="11" pageNumber="112">0.70</td>
<td id="47445DDC46510032FABCFDBBFAC4DD03" box="[1329,1388,581,603]" gridcol="4" gridrow="10" pageId="11" pageNumber="112">2.4</td>
<td id="47445DDC46510032FA06FDBBFA1FDD03" box="[1419,1463,581,603]" gridcol="5" gridrow="10" pageId="11" pageNumber="112">0.55</td>
</tr>
<tr id="049534A046510032FCBDFD9BFA1FDD22" box="[816,1463,613,634]" gridrow="11" pageId="11" pageNumber="112">
<th id="47445DDC46510032FCBDFD9BFB8CDD22" box="[816,1060,613,634]" gridcol="0" gridrow="11" pageId="11" pageNumber="112">ZPAL V.48/27</th>
<td id="47445DDC46510032FBB4FD9BFBD5DD22" box="[1081,1149,613,634]" gridcol="1" gridrow="11" pageId="11" pageNumber="112">3.9</td>
<td id="47445DDC46510032FB18FD9BFB7EDD22" box="[1173,1238,613,634]" gridcol="2" gridrow="11" pageId="11" pageNumber="112">3.0</td>
<td id="47445DDC46510032FB60FD9BFABFDD22" box="[1261,1303,613,634]" gridcol="3" gridrow="11" pageId="11" pageNumber="112">0.77</td>
<td id="47445DDC46510032FABCFD9BFAC4DD22" box="[1329,1388,613,634]" gridcol="4" gridrow="11" pageId="11" pageNumber="112">1.9</td>
<td id="47445DDC46510032FA06FD9BFA1FDD22" box="[1419,1463,613,634]" gridcol="5" gridrow="11" pageId="11" pageNumber="112">0.49</td>
</tr>
<tr id="049534A046510032FCBDFD7BFA1FDDC3" box="[816,1463,645,667]" gridrow="12" pageId="11" pageNumber="112">
<th id="47445DDC46510032FCBDFD7BFB8CDDC3" box="[816,1060,645,667]" gridcol="0" gridrow="12" pageId="11" pageNumber="112">ZPAL V.48/28</th>
<td id="47445DDC46510032FBB4FD7BFBD5DDC3" box="[1081,1149,645,667]" gridcol="1" gridrow="12" pageId="11" pageNumber="112">4.0</td>
<td id="47445DDC46510032FB18FD7BFB7EDDC3" box="[1173,1238,645,667]" gridcol="2" gridrow="12" pageId="11" pageNumber="112">3.0</td>
<td id="47445DDC46510032FB60FD7BFABFDDC3" box="[1261,1303,645,667]" gridcol="3" gridrow="12" pageId="11" pageNumber="112">0.75</td>
<td id="47445DDC46510032FABCFD7BFAC4DDC3" box="[1329,1388,645,667]" gridcol="4" gridrow="12" pageId="11" pageNumber="112">2.3</td>
<td id="47445DDC46510032FA06FD7BFA1FDDC3" box="[1419,1463,645,667]" gridcol="5" gridrow="12" pageId="11" pageNumber="112">0.58</td>
</tr>
<tr id="049534A046510032FCBDFD5AFA1FDDE2" box="[816,1463,676,698]" gridrow="13" pageId="11" pageNumber="112">
<th id="47445DDC46510032FCBDFD5AFB8CDDE2" box="[816,1060,676,698]" gridcol="0" gridrow="13" pageId="11" pageNumber="112">ZPAL V.48/29</th>
<td id="47445DDC46510032FBB4FD5AFBD5DDE2" box="[1081,1149,676,698]" gridcol="1" gridrow="13" pageId="11" pageNumber="112">3.7</td>
<td id="47445DDC46510032FB18FD5AFB7EDDE2" box="[1173,1238,676,698]" gridcol="2" gridrow="13" pageId="11" pageNumber="112">2.9</td>
<td id="47445DDC46510032FB60FD5AFABFDDE2" box="[1261,1303,676,698]" gridcol="3" gridrow="13" pageId="11" pageNumber="112">0.78</td>
<td id="47445DDC46510032FABCFD5AFAC4DDE2" box="[1329,1388,676,698]" gridcol="4" gridrow="13" pageId="11" pageNumber="112">2.3</td>
<td id="47445DDC46510032FA06FD5AFA1FDDE2" box="[1419,1463,676,698]" gridcol="5" gridrow="13" pageId="11" pageNumber="112">0.62</td>
</tr>
<tr id="049534A046510032FCBDFD3AFA1FDD82" box="[816,1463,708,730]" gridrow="14" pageId="11" pageNumber="112">
<th id="47445DDC46510032FCBDFD3AFB8CDD82" box="[816,1060,708,730]" gridcol="0" gridrow="14" pageId="11" pageNumber="112">ZPAL V.48/30</th>
<td id="47445DDC46510032FBB4FD3AFBD5DD82" box="[1081,1149,708,730]" gridcol="1" gridrow="14" pageId="11" pageNumber="112">4.1</td>
<td id="47445DDC46510032FB18FD3AFB7EDD82" box="[1173,1238,708,730]" gridcol="2" gridrow="14" pageId="11" pageNumber="112">3.1</td>
<td id="47445DDC46510032FB60FD3AFABFDD82" box="[1261,1303,708,730]" gridcol="3" gridrow="14" pageId="11" pageNumber="112">0.76</td>
<td id="47445DDC46510032FABCFD3AFAC4DD82" box="[1329,1388,708,730]" gridcol="4" gridrow="14" pageId="11" pageNumber="112">2.1</td>
<td id="47445DDC46510032FA06FD3AFA1FDD82" box="[1419,1463,708,730]" gridcol="5" gridrow="14" pageId="11" pageNumber="112">0.51</td>
</tr>
</table>
</paragraph>
<subSubSection id="F2BF65694651FFC6FFEFFEF5FDB9DEFD" pageId="11" pageNumber="112" type="diagnosis">
<paragraph id="BA1A36E24651FFC6FFEFFEF5FDB9DEFD" blockId="11.[97,771,266,421]" pageId="11" pageNumber="112">
<emphasis id="88D1EAF04651FFC6FFEFFEF5FF7DDE7C" box="[98,213,267,292]" italics="true" pageId="11" pageNumber="112">Diagnosis</emphasis>
.—Small
<taxonomicName id="7DA54D614651FFC6FECAFEF4FE03DE7C" authorityName="Verrill and Bush" authorityYear="1897" box="[327,427,266,292]" class="Bivalvia" family="Yoldiidae" genus="Yoldiella" kingdom="Animalia" order="Nuculanida" pageId="11" pageNumber="112" phylum="Mollusca" rank="genus">
<emphasis id="88D1EAF04651FFC6FECAFEF4FE03DE7C" box="[327,427,266,292]" italics="true" pageId="11" pageNumber="112">Yoldiella</emphasis>
</taxonomicName>
with concave postero-dorsal margin, prominent, centrally located beak, taxodont teeth interrupted by rather wide resilifer, ten teeth anteriorly and nine teeth posteriorly, and narrow and very shallow pallial sinus in front of posterior muscle scar.
</paragraph>
</subSubSection>
<subSubSection id="F2BF65694651FFC6FFECFE49FAD2DCFC" pageId="11" pageNumber="112" type="description">
<paragraph id="BA1A36E24651FFC6FFECFE49FE11DCCC" blockId="11.[97,770,438,916]" pageId="11" pageNumber="112">
<emphasis id="88D1EAF04651FFC6FFECFE49FF58DE88" box="[97,240,439,464]" italics="true" pageId="11" pageNumber="112">Description.</emphasis>
—Shell small, moderately inflated, elongate-ovate, equivalve, inequilateral. Surface partly preserved, smooth apart from fine growth lines. Antero-dorsal margin nearly straight, passing into narrowly rounded anterior margin; postero-dorsal margin slightly concave, passing into acutely rounded posterior end; ventral margin broadly arcuate. Two fine, weak internal ridges extending from beak to posterior corner, forming shallow depressed area on internal mold between ridges. Beak prominent, swollen, prosogyrate, situated centrally. Hinge with two series of small teeth, interrupted by rather wide resilifer; anterior series consisting of ten teeth; posterior one with nine teeth. Pallial sinus narrow, very shallow, anterior to posterior muscle scar. Anterior adductor scar elongate-subquadrate; posterior adductor scar small, pyriform.
</paragraph>
<paragraph id="BA1A36E24651FFC6FFECFC5BFD4FDA1B" blockId="11.[97,772,933,1960]" pageId="11" pageNumber="112">
<emphasis id="88D1EAF04651FFC6FFECFC5BFF63DCE7" box="[97,203,933,959]" italics="true" pageId="11" pageNumber="112">Remarks.</emphasis>
<bibRefCitation id="DE344B134651FFC6FF65FC5BFEDADC98" author="Hagg, R." box="[232,370,933,960]" pageId="11" pageNumber="112" pagination="39 - 55" refId="ref29069" refString="Hagg, R. 1925. A new Tertiary fauna from Spitsbergen. Bulletin of the Geological Institution of the University of Uppsala 20: 39 - 55." type="journal article" year="1925">Hägg (1925)</bibRefCitation>
described and illustrated
<taxonomicName id="7DA54D614651FFC6FD18FC5BFF3FDC87" class="Bivalvia" family="Nuculanidae" genus="Nuculana" kingdom="Animalia" order="Nuculanida" pageId="11" pageNumber="112" phylum="Mollusca" rank="species" species="undefined-1">
<emphasis id="88D1EAF04651FFC6FD18FC5BFCAADCE7" box="[661,770,933,959]" italics="true" pageId="11" pageNumber="112">Nuculana</emphasis>
sp. 1
</taxonomicName>
and
<emphasis id="88D1EAF04651FFC6FF5FFC38FF44DC87" box="[210,236,966,991]" italics="true" pageId="11" pageNumber="112">N.</emphasis>
sp. 2 from the Cenozoic of Spitsbergen.
<bibRefCitation id="DE344B134651FFC6FD4DFC3BFF08DCA7" author="Gripp, K." pageId="11" pageNumber="112" pagination="3 - 38" refId="ref28977" refString="Gripp, K. 1927. Beitrage zur Geologie von Spitzbergen. Abhandlungen des Naturwissenschaftlichen Vereins zu Hamburg 21: 3 - 38." type="journal article" year="1927">Gripp 1927</bibRefCitation>
) referred to them as
<taxonomicName id="7DA54D614651FFC6FE15FC1BFD92DB58" box="[408,570,997,1024]" class="Bivalvia" family="Yoldiidae" genus="Portlandia" kingdom="Animalia" order="Nuculanida" pageId="11" pageNumber="112" phylum="Mollusca" rank="species" species="undetermined">
<emphasis id="88D1EAF04651FFC6FE15FC1BFDB9DCA7" box="[408,529,997,1023]" italics="true" pageId="11" pageNumber="112">Portlandia</emphasis>
sp.
</taxonomicName>
without explanation.
<bibRefCitation id="DE344B134651FFC6FF17FBF8FEFBDB78" author="Anderson, H. - J." box="[154,339,1030,1056]" pageId="11" pageNumber="112" pagination="89 - 101" refId="ref25056" refString="Anderson, H. - J. 1970. Pelecypoda. In: K. Vonderbank (ed.), Geologie und Fauna der tertiaren Ablagerungen Zentral-Spitzbergens. Norsk Polarinstituts Skrifter 153: 89 - 101." type="journal article" year="1970">Anderson (1970)</bibRefCitation>
proposed
<taxonomicName id="7DA54D614651FFC6FE4AFBF8FCABDB78" authorityName="Hryniewicz &amp; Amano &amp; Bitner &amp; Hagström &amp; Kiel &amp; Klompmaker &amp; Mörs &amp; Robins &amp; Kaim" authorityYear="2019" box="[455,771,1030,1056]" class="Bivalvia" family="Nuculanidae" genus="Nuculana" kingdom="Animalia" order="Nuculanida" pageId="11" pageNumber="112" phylum="Mollusca" rank="species" species="haeggi" subGenus="Jupiteria">
<emphasis id="88D1EAF04651FFC6FE4AFBF8FD9CDB78" box="[455,564,1030,1056]" italics="true" pageId="11" pageNumber="112">Nuculana</emphasis>
(
<emphasis id="88D1EAF04651FFC6FDCFFBF8FD0DDB47" box="[578,677,1030,1055]" italics="true" pageId="11" pageNumber="112">Jupiteria</emphasis>
)
<emphasis id="88D1EAF04651FFC6FD3BFBF8FCABDB78" box="[694,771,1030,1056]" italics="true" pageId="11" pageNumber="112">haeggi</emphasis>
</taxonomicName>
based on
<specimenCount id="ACA3FD6B4651FFC6FF47FBD8FEDBDB18" box="[202,371,1062,1088]" count="2" pageId="11" pageNumber="112" type="generic">two specimens</specimenCount>
, of which the
<typeStatus id="651E88404651FFC6FD83FBD8FDD8DB18" box="[526,624,1062,1088]" pageId="11" pageNumber="112" type="holotype">holotype</typeStatus>
(
<collectionCode id="DCB4AE274651FFC6FDF3FBD8FD63DB18" box="[638,715,1062,1088]" pageId="11" pageNumber="112">GPIBo</collectionCode>
150) has a shape resembling that of
<taxonomicName id="7DA54D614651FFC6FE4AFBB8FDB0DB38" authorityName="Lamarck" authorityYear="1799" box="[455,536,1094,1120]" class="Bivalvia" family="Nuculidae" genus="Nucula" kingdom="Animalia" order="Nuculida" pageId="11" pageNumber="112" phylum="Mollusca" rank="genus">
<emphasis id="88D1EAF04651FFC6FE4AFBB8FDB0DB38" box="[455,536,1094,1120]" italics="true" pageId="11" pageNumber="112">Nucula</emphasis>
</taxonomicName>
, unlike the shape of
<bibRefCitation id="DE344B134651FFC6FFEFFB99FEABDBD9" author="Hagg, R." box="[98,259,1126,1153]" pageId="11" pageNumber="112" pagination="39 - 55" refId="ref29069" refString="Hagg, R. 1925. A new Tertiary fauna from Spitsbergen. Bulletin of the Geological Institution of the University of Uppsala 20: 39 - 55." type="journal article" year="1925">Häggs (1925)</bibRefCitation>
<taxonomicName id="7DA54D614651FFC6FE82FB98FE78DBD9" box="[271,464,1126,1153]" class="Bivalvia" family="Nuculanidae" genus="Nuculana" kingdom="Animalia" order="Nuculanida" pageId="11" pageNumber="112" phylum="Mollusca" rank="species" species="undefined-1">
<emphasis id="88D1EAF04651FFC6FE82FB98FED4DBD8" box="[271,380,1126,1152]" italics="true" pageId="11" pageNumber="112">Nuculana</emphasis>
spp. 1
</taxonomicName>
and 2.
<bibRefCitation id="DE344B134651FFC6FDBFFB98FCAADBD9" author="Anderson, H. - J." box="[562,770,1126,1153]" pageId="11" pageNumber="112" pagination="89 - 101" refId="ref25056" refString="Anderson, H. - J. 1970. Pelecypoda. In: K. Vonderbank (ed.), Geologie und Fauna der tertiaren Ablagerungen Zentral-Spitzbergens. Norsk Polarinstituts Skrifter 153: 89 - 101." type="journal article" year="1970">Andersons (1970)</bibRefCitation>
<typeStatus id="651E88404651FFC6FFEFFB79FF6CDBF9" box="[98,196,1159,1185]" pageId="11" pageNumber="112" type="paratype">paratype</typeStatus>
specimen of
<taxonomicName id="7DA54D614651FFC6FEEFFB79FD0CDBF9" authorityName="Hryniewicz &amp; Amano &amp; Bitner &amp; Hagström &amp; Kiel &amp; Klompmaker &amp; Mörs &amp; Robins &amp; Kaim" authorityYear="2019" box="[354,676,1159,1185]" class="Bivalvia" family="Nuculanidae" genus="Nuculana" kingdom="Animalia" order="Nuculanida" pageId="11" pageNumber="112" phylum="Mollusca" rank="species" species="haeggi" subGenus="Jupiteria">
<emphasis id="88D1EAF04651FFC6FEEFFB79FE67DBF9" box="[354,463,1159,1185]" italics="true" pageId="11" pageNumber="112">Nuculana</emphasis>
(
<emphasis id="88D1EAF04651FFC6FE6CFB76FDECDBF9" box="[481,580,1160,1185]" italics="true" pageId="11" pageNumber="112">Jupiteria</emphasis>
)
<emphasis id="88D1EAF04651FFC6FDDAFB79FD0CDBF9" box="[599,676,1159,1185]" italics="true" pageId="11" pageNumber="112">haeggi</emphasis>
</taxonomicName>
(
<collectionCode id="DCB4AE274651FFC6FD38FB79FCACDBF9" box="[693,772,1159,1185]" pageId="11" pageNumber="112">GPIBo</collectionCode>
151), however, is very similar to both species of
<taxonomicName id="7DA54D614651FFC6FD18FB59FCAADB99" authorityName="Link" authorityYear="1807" box="[661,770,1191,1217]" class="Bivalvia" family="Nuculanidae" genus="Nuculana" kingdom="Animalia" order="Nuculanida" pageId="11" pageNumber="112" phylum="Mollusca" rank="genus">
<emphasis id="88D1EAF04651FFC6FD18FB59FCAADB99" box="[661,770,1191,1217]" italics="true" pageId="11" pageNumber="112">Nuculana</emphasis>
</taxonomicName>
figured by
<bibRefCitation id="DE344B134651FFC6FF7CFB36FE21DBBA" author="Hagg, R." box="[241,393,1223,1250]" pageId="11" pageNumber="112" pagination="39 - 55" refId="ref29069" refString="Hagg, R. 1925. A new Tertiary fauna from Spitsbergen. Bulletin of the Geological Institution of the University of Uppsala 20: 39 - 55." type="journal article" year="1925">Hägg (1925)</bibRefCitation>
. Thus,
<taxonomicName id="7DA54D614651FFC6FE60FB39FF1DDA5A" authority="Amano" authorityName="Amano" authorityYear="2019" class="Bivalvia" family="Yoldiidae" genus="Yoldiella" kingdom="Animalia" order="Nuculanida" pageId="11" pageNumber="112" phylum="Mollusca" rank="species" species="spitsbergensis" status="sp. nov.">
<emphasis id="88D1EAF04651FFC6FE60FB39FCAADBB9" box="[493,770,1223,1249]" italics="true" pageId="11" pageNumber="112">Yoldiella spitsbergensis</emphasis>
Amano
</taxonomicName>
<taxonomicNameLabel id="93E2578B4651FFC6FF36FB16FEB8DA5A" box="[187,272,1256,1282]" pageId="11" pageNumber="112" rank="species">sp. nov.</taxonomicNameLabel>
is proposed here, based on the new material,
<bibRefCitation id="DE344B134651FFC6FFEFFAF6FF57DA7B" author="Hagg, R." box="[98,255,1288,1315]" pageId="11" pageNumber="112" pagination="39 - 55" refId="ref29069" refString="Hagg, R. 1925. A new Tertiary fauna from Spitsbergen. Bulletin of the Geological Institution of the University of Uppsala 20: 39 - 55." type="journal article" year="1925">Häggs (1925)</bibRefCitation>
<taxonomicName id="7DA54D614651FFC6FE8AFAF6FE1ADA7A" box="[263,434,1288,1314]" class="Bivalvia" family="Nuculanidae" genus="Nuculana" kingdom="Animalia" order="Nuculanida" pageId="11" pageNumber="112" phylum="Mollusca" rank="species" species="undefined-1">
<emphasis id="88D1EAF04651FFC6FE8AFAF6FEDCDA7A" box="[263,372,1288,1314]" italics="true" pageId="11" pageNumber="112">Nuculana</emphasis>
sp. 1
</taxonomicName>
and
<emphasis id="88D1EAF04651FFC6FE61FAF7FDAEDA7A" box="[492,518,1289,1314]" italics="true" pageId="11" pageNumber="112">N.</emphasis>
sp. 2, and
<bibRefCitation id="DE344B134651FFC6FD09FAF6FF08DA1A" author="Anderson, H. - J." pageId="11" pageNumber="112" pagination="89 - 101" refId="ref25056" refString="Anderson, H. - J. 1970. Pelecypoda. In: K. Vonderbank (ed.), Geologie und Fauna der tertiaren Ablagerungen Zentral-Spitzbergens. Norsk Polarinstituts Skrifter 153: 89 - 101." type="journal article" year="1970">Andersons 1970</bibRefCitation>
)
<typeStatus id="651E88404651FFC6FF23FAD7FEB8DA1B" box="[174,272,1321,1347]" pageId="11" pageNumber="112" type="paratype">paratype</typeStatus>
specimen of
<taxonomicName id="7DA54D614651FFC6FE28FAD6FD48DA1A" authorityName="Hryniewicz &amp; Amano &amp; Bitner &amp; Hagström &amp; Kiel &amp; Klompmaker &amp; Mörs &amp; Robins &amp; Kaim" authorityYear="2019" box="[421,736,1320,1347]" class="Bivalvia" family="Nuculanidae" genus="Nuculana" kingdom="Animalia" order="Nuculanida" pageId="11" pageNumber="112" phylum="Mollusca" rank="species" species="haeggi" subGenus="Jupiteria">
<emphasis id="88D1EAF04651FFC6FE28FAD6FDBADA1A" box="[421,530,1320,1346]" italics="true" pageId="11" pageNumber="112">Nuculana</emphasis>
(
<emphasis id="88D1EAF04651FFC6FDACFAD7FD2CDA1A" box="[545,644,1321,1346]" italics="true" pageId="11" pageNumber="112">Jupiteria</emphasis>
)
<emphasis id="88D1EAF04651FFC6FD19FAD6FD48DA1A" box="[660,736,1320,1346]" italics="true" pageId="11" pageNumber="112">haeggi</emphasis>
</taxonomicName>
.
</paragraph>
<paragraph id="BA1A36E24651FFC6FF0AFAB6FAC6DC61" blockId="11.[97,772,933,1960]" lastBlockId="11.[808,1481,766,825]" pageId="11" pageNumber="112">
<taxonomicName id="7DA54D614651FFC6FF0AFAB6FDB6DA3B" ID-CoL="5CS88" authority="(Nyst, 1843)" baseAuthorityName="Nyst" baseAuthorityYear="1843" box="[135,542,1352,1379]" class="Bivalvia" family="Yoldiidae" genus="Yoldiella" kingdom="Animalia" order="Nuculanida" pageId="11" pageNumber="112" phylum="Mollusca" rank="species" species="philippiana">
<emphasis id="88D1EAF04651FFC6FF0AFAB6FED4DA3A" box="[135,380,1352,1378]" italics="true" pageId="11" pageNumber="112">Yoldiella philippiana</emphasis>
(
<bibRefCitation id="DE344B134651FFC6FE1FFAB7FDBDDA3B" author="Nyst, P. - H." box="[402,533,1353,1379]" pageId="11" pageNumber="112" refId="ref33606" refString="Nyst, P. - H. 1843. Description des coquilles et des polypiers fossils des terrains Tertiaries de la Belgique. 676 pp. M. Hayes, Bruxelles." type="book" year="1843">Nyst, 1843</bibRefCitation>
)
</taxonomicName>
, now living in the northern Atlantic, Mediterranean Sea and around
<collectingCountry id="C2B276724651FFC6FD2DFA97FD4BDADB" box="[672,739,1385,1411]" name="Japan" pageId="11" pageNumber="112">Japan</collectingCountry>
, is the most similar species in its size and outline to
<taxonomicName id="7DA54D614651FFC6FD09FA74FF00DA9B" ID-CoL="7TNPZ" authorityName="Amano" authorityYear="2019" class="Bivalvia" family="Yoldiidae" genus="Yoldiella" kingdom="Animalia" order="Nuculanida" pageId="11" pageNumber="112" phylum="Mollusca" rank="species" species="spitsbergensis">
<emphasis id="88D1EAF04651FFC6FD09FA74FF00DA9B" italics="true" pageId="11" pageNumber="112">Y. spitsbergensis</emphasis>
</taxonomicName>
. However,
<taxonomicName id="7DA54D614651FFC6FEA3FA54FDE4DA9B" ID-CoL="7TNPZ" authority="Amano" authorityName="Amano" authorityYear="2019" box="[302,588,1449,1475]" class="Bivalvia" family="Yoldiidae" genus="Yoldiella" kingdom="Animalia" order="Nuculanida" pageId="11" pageNumber="112" phylum="Mollusca" rank="species" species="spitsbergensis" status="sp. nov.">
<emphasis id="88D1EAF04651FFC6FEA3FA54FE45DA9B" box="[302,493,1449,1475]" italics="true" pageId="11" pageNumber="112">Y. spitsbergensis</emphasis>
Amano
</taxonomicName>
<taxonomicNameLabel id="93E2578B4651FFC6FDDBFA54FD06DA9C" box="[598,686,1450,1476]" pageId="11" pageNumber="112" rank="species">sp. nov.</taxonomicNameLabel>
differs slightly from
<taxonomicName id="7DA54D614651FFC6FF70FA34FE35DABB" ID-CoL="5CS88" baseAuthorityName="Nyst" baseAuthorityYear="1843" box="[253,413,1481,1507]" class="Bivalvia" family="Yoldiidae" genus="Yoldiella" kingdom="Animalia" order="Nuculanida" pageId="11" pageNumber="112" phylum="Mollusca" rank="species" species="philippiana">
<emphasis id="88D1EAF04651FFC6FF70FA34FE35DABB" box="[253,413,1481,1507]" italics="true" pageId="11" pageNumber="112">Y. philippiana</emphasis>
</taxonomicName>
by its larger teeth, larger resilifer, and more obtuse posterior end.
<taxonomicName id="7DA54D614651FFC6FD85FA14FD65D95C" box="[520,717,1514,1540]" class="Bivalvia" family="Yoldiidae" genus="Yoldiella" kingdom="Animalia" order="Nuculanida" pageId="11" pageNumber="112" phylum="Mollusca" rank="species" species="nielseni">
<emphasis id="88D1EAF04651FFC6FD85FA14FD65D95C" box="[520,717,1514,1540]" italics="true" pageId="11" pageNumber="112">Yoldiella nielseni</emphasis>
</taxonomicName>
was proposed under the genus
<taxonomicName id="7DA54D614651FFC6FE04F9F4FD3FD97D" ID-CoL="7PD6L" authority="Morch, 1857" authorityName="Morch" authorityYear="1857" box="[393,663,1546,1573]" class="Bivalvia" family="Yoldiidae" genus="Portlandia" kingdom="Animalia" order="Nuculanida" pageId="11" pageNumber="112" phylum="Mollusca" rank="genus">
<emphasis id="88D1EAF04651FFC6FE04F9F4FDABD97C" box="[393,515,1546,1572]" italics="true" pageId="11" pageNumber="112">Portlandia</emphasis>
<bibRefCitation id="DE344B134651FFC6FD84F9F4FD3FD97D" author="Morch, O. A. L." box="[521,663,1546,1573]" pageId="11" pageNumber="112" pagination="75 - 100" refId="ref32986" refString="Morch, O. A. L. 1857. Fortegnelse over Gronlands Bloddyr. In: H. Rink (ed.), GrOnland, geographisk og statisk beskrevet, 75 - 100. A. F. Host, Kobenhavn." type="book chapter" year="1857">Mörch, 1857</bibRefCitation>
</taxonomicName>
, from the Selandian (middle Paleocene) of Copenhagen,
<collectingCountry id="C2B276724651FFC6FDE3F9D4FD74D91C" box="[622,732,1578,1604]" name="Denmark" pageId="11" pageNumber="112">Denmark</collectingCountry>
, by
<bibRefCitation id="DE344B134651FFC6FFEFF9B5FEB5D93D" author="Schnetler, K. I." box="[98,285,1611,1637]" pageId="11" pageNumber="112" pagination="1 - 85" refId="ref35194" refString="Schnetler, K. I. 2001. The Selandian (Paleocene) mollusc fauna from Copenhagen, Denmark: the Poul Harder 1920 collection. Geological Survey of Denmark Bulletin 37: 1 - 85." type="journal article" year="2001">Schnetler (2001)</bibRefCitation>
. This species is similar to
<taxonomicName id="7DA54D614651FFC6FDCBF9B5FCAAD93D" ID-CoL="7TNPZ" authorityName="Amano" authorityYear="2019" box="[582,770,1611,1637]" class="Bivalvia" family="Yoldiidae" genus="Yoldiella" kingdom="Animalia" order="Nuculanida" pageId="11" pageNumber="112" phylum="Mollusca" rank="species" species="spitsbergensis">
<emphasis id="88D1EAF04651FFC6FDCBF9B5FCAAD93D" box="[582,770,1611,1637]" italics="true" pageId="11" pageNumber="112">Y. spitsbergensis</emphasis>
</taxonomicName>
in its small size (L up to
<quantity id="7D5D9B074651FFC6FE01F995FE4CD9DE" box="[396,484,1643,1670]" metricMagnitude="-3" metricUnit="m" metricValue="3.6" pageId="11" pageNumber="112" unit="mm" value="3.6">3.6 mm</quantity>
) and numerous taxodont teeth (
<quantity id="7D5D9B074651FFC6FF27F975FF4BD9FD" box="[170,227,1675,1701]" metricMagnitude="-1" metricUnit="m" metricValue="3.048" pageId="11" pageNumber="112" unit="in" value="12.0">12 in</quantity>
both anterior and posterior series of teeth), but differs by having a shorter rostrum and a more obtuse posterior end. Moreover, the very small resilifer of
<taxonomicName id="7DA54D614651FFC6FD01F933FCABD9BE" box="[652,771,1740,1766]" class="Bivalvia" family="Yoldiidae" genus="Yoldiella" kingdom="Animalia" order="Nuculanida" pageId="11" pageNumber="112" phylum="Mollusca" rank="species" species="nielseni">
<emphasis id="88D1EAF04651FFC6FD01F933FCABD9BE" box="[652,771,1740,1766]" italics="true" pageId="11" pageNumber="112">Y. nielseni</emphasis>
</taxonomicName>
enables us to separate it from the new species.
<taxonomicName id="7DA54D614651FFC6FD12F912FEC6D87F" authority="Heinberg, 1989" authorityName="Heinberg" authorityYear="1989" class="Bivalvia" family="Yoldiidae" genus="Yoldiella" kingdom="Animalia" order="Nuculanida" pageId="11" pageNumber="112" phylum="Mollusca" rank="species" species="dortea">
<emphasis id="88D1EAF04651FFC6FD12F912FF04D87E" italics="true" pageId="11" pageNumber="112">Yoldiella dortea</emphasis>
<bibRefCitation id="DE344B134651FFC6FF34F8F2FEC6D87F" author="Heinberg, C." box="[185,366,1804,1831]" pageId="11" pageNumber="112" pagination="227 - 236" refId="ref29238" refString="Heinberg, C. 1989. Bivalves from the white chalk (Maastrichtian) of Denmark, IV: Nuculoida. Bulletin of the Geological Society of Denmark 37: 227 - 236." type="journal article" year="1989">Heinberg, 1989</bibRefCitation>
</taxonomicName>
, from the upper Maastrichtian of Copenhagen,
<collectingCountry id="C2B276724651FFC6FF73F8D3FEC4D81F" box="[254,364,1837,1863]" name="Denmark" pageId="11" pageNumber="112">Denmark</collectingCountry>
, is another species that is similar to
<taxonomicName id="7DA54D614651FFC6FFEFF8B0FE88D83F" ID-CoL="7TNPZ" authorityName="Amano" authorityYear="2019" box="[98,288,1869,1895]" class="Bivalvia" family="Yoldiidae" genus="Yoldiella" kingdom="Animalia" order="Nuculanida" pageId="11" pageNumber="112" phylum="Mollusca" rank="species" species="spitsbergensis">
<emphasis id="88D1EAF04651FFC6FFEFF8B0FE88D83F" box="[98,288,1869,1895]" italics="true" pageId="11" pageNumber="112">Y. spitsbergensis</emphasis>
</taxonomicName>
in having an ovate shell and a prominent umbo. However, the Cretaceous species can be distinguished from
<taxonomicName id="7DA54D614651FFC6FF2CF870FEF6D8FF" ID-CoL="7TNPZ" authorityName="Amano" authorityYear="2019" box="[161,350,1933,1959]" class="Bivalvia" family="Yoldiidae" genus="Yoldiella" kingdom="Animalia" order="Nuculanida" pageId="11" pageNumber="112" phylum="Mollusca" rank="species" species="spitsbergensis">
<emphasis id="88D1EAF04651FFC6FF2CF870FEF6D8FF" box="[161,350,1933,1959]" italics="true" pageId="11" pageNumber="112">Y. spitsbergensis</emphasis>
</taxonomicName>
by its much smaller size (L
<quantity id="7D5D9B074651FFC6FD2EF873FD53D8F0" box="[675,763,1933,1960]" metricMagnitude="-3" metricUnit="m" metricValue="2.5" pageId="11" pageNumber="112" unit="mm" value="2.5">2.5 mm</quantity>
) and the low commarginal ribs on its surface, in contrast to fine commarginal growth lines in
<taxonomicName id="7DA54D614651FFC6FB21FCE1FACEDC61" ID-CoL="7TNPZ" authorityName="Amano" authorityYear="2019" box="[1196,1382,799,825]" class="Bivalvia" family="Yoldiidae" genus="Yoldiella" kingdom="Animalia" order="Nuculanida" pageId="11" pageNumber="112" phylum="Mollusca" rank="species" species="spitsbergensis">
<emphasis id="88D1EAF04651FFC6FB21FCE1FB11DC60" box="[1196,1209,799,824]" italics="true" pageId="11" pageNumber="112">Y</emphasis>
.
<emphasis id="88D1EAF04651FFC6FB4AFCE1FACEDC61" box="[1223,1382,799,825]" italics="true" pageId="11" pageNumber="112">spitsbergensis</emphasis>
</taxonomicName>
.
</paragraph>
<paragraph id="BA1A36E24651FFC6FCA5FCB7FAD2DCFC" blockId="11.[808,1481,841,932]" pageId="11" pageNumber="112">
<emphasis id="88D1EAF04651FFC6FCA5FCB7FB74DC3B" box="[808,1244,841,867]" italics="true" pageId="11" pageNumber="112">Stratigraphic and geographic range</emphasis>
.—Upper Paleocene cold seep carbonates from the Basilika Formation, Fossildalen and Zachariassendalen, Spitsbergen,
<collectingCountry id="C2B276724651FFC6FA82FC74FADEDCFC" box="[1295,1398,906,932]" name="Svalbard and Jan Mayen" pageId="11" pageNumber="112">Svalbard</collectingCountry>
.
</paragraph>
</subSubSection>
</treatment>
</document>