274 lines
35 KiB
XML
274 lines
35 KiB
XML
<document id="9AB9F90999ED2E107A3ADE9F5D79BCB5" ID-CLB-Dataset="2884" ID-DOI="10.5852/ejt.2021.783.1601" ID-GBIF-Dataset="aa9de9bf-dea4-4321-a51d-6c4f1f55032d" ID-ISSN="2118-9773" ID-Zenodo-Dep="5793422" ID-ZooBank="071EAD63-05ED-4D6C-AC45-8719E6D79E0B" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1640009482758" checkinUser="felipe" docAuthor="Kröger, Björn & Pohle, Alexander" docDate="2021" docId="5F4487ACFFBBFFB7FDF07C5CFCE87827" docLanguage="en" docName="ejt-783_1-102.pdf" docOrigin="European Journal of Taxonomy 783 (1)" docSource="http://dx.doi.org/10.5852/ejt.2021.783.1601" docStyle="DocumentStyle:EF2B578F1D15862ADE45B0C07C620911.14:EJT.2018-.journal_article.type1" docStyleId="EF2B578F1D15862ADE45B0C07C620911" docStyleName="EJT.2018-.journal_article.type1" docStyleVersion="14" docTitle="Hinlopoceras tempestatis Kröger & Pohle 2021, gen. et sp. nov." docType="treatment" docUuid="8D1729CE-0726-42C1-85C9-E2AE55BDC1C6" docUuidSource="ZooBank" docVersion="12" lastPageNumber="26" masterDocId="A37DFFD4FFACFFAEFFD67F14FFDE7A64" masterDocTitle="Early-Middle Ordovician cephalopods from Ny Friesland, Spitsbergen - a pelagic fauna with Laurentian affinities" masterLastPageNumber="102" masterPageNumber="1" pageNumber="24" updateTime="1701997144043" updateUser="plazi" zenodo-license-document="CC-BY-4.0" zenodo-license-figures="CC-BY-4.0" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="4114F5053623FFD40B4CAA9E1BF071A3">Early-Middle Ordovician cephalopods from Ny Friesland, Spitsbergen - a pelagic fauna with Laurentian affinities</mods:title>
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<mods:namePart id="5F09D1DA2B0121B720227D4AF821FF8F">Kröger, Björn</mods:namePart>
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<mods:affiliation id="A73134D4C02DCD9BE3FEFB933F82A8B5">Finnish Museum of Natural History, University of Helsinki, PO Box 44, FI- 00014 Helsinki, Finland.</mods:affiliation>
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<mods:nameIdentifier id="FF61C87C1D73D925417942B3C8B38293" type="email">bjorn.kroger@helsinki.fi</mods:nameIdentifier>
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<mods:namePart id="3933A6BCAFAEEFE5DB7BBE4D813F433F">Pohle, Alexander</mods:namePart>
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<mods:affiliation id="82F68E70B93C758CC9823CE508418DE9">Paläontologisches Institut und Museum, University of Zurich, Zurich, Switzerland.</mods:affiliation>
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<mods:nameIdentifier id="484BFA6A73E87A1D88F1CE786A04E251" type="email">alexander.pohle@pim.uzh.ch</mods:nameIdentifier>
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<mods:title id="2F3864008ABD6210E5A1086F23D960DB">European Journal of Taxonomy</mods:title>
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<mods:date id="9DE1F74976E5CF98D0D9BB397A234314">2021</mods:date>
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<treatment id="5F4487ACFFBBFFB7FDF07C5CFCE87827" ID-DOI="http://doi.org/10.5281/zenodo.5793494" ID-GBIF-Taxon="191693626" ID-Zenodo-Dep="5793494" LSID="urn:lsid:zoobank.org:act:8D1729CE-0726-42C1-85C9-E2AE55BDC1C6" httpUri="http://treatment.plazi.org/id/5F4487ACFFBBFFB7FDF07C5CFCE87827" lastPageId="25" lastPageNumber="26" pageId="23" pageNumber="24">
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<paragraph id="D75236BAFFBBFFB9FDF07C5CFBD07907" blockId="23.[363,1224,840,937]" box="[550,1038,840,867]" pageId="23" pageNumber="24">
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<heading id="8C1A81D6FFBBFFB9FDF07C5CFBD07907" box="[550,1038,840,867]" centered="true" fontSize="11" level="2" pageId="23" pageNumber="24" reason="2">
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<taxonomicName id="10ED4D39FFBBFFB9FDF07C5CFC897906" authority="Kröger & Pohle, 2021" authorityName="Kröger & Pohle" authorityYear="2021" box="[550,855,840,867]" class="Cephalopoda" family="Rioceratidae" genus="Hinlopoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tetrabranchia" pageId="23" pageNumber="24" phylum="Mollusca" rank="species" species="tempestatis" status="gen. et sp. nov.">
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<emphasis id="E599EAA8FFBBFFB9FDF07C5CFC897906" bold="true" box="[550,855,840,867]" italics="true" pageId="23" pageNumber="24">Hinlopoceras tempestatis</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="FEAA57D3FFBBFFB9FC8B7C5DFBD07907" box="[861,1038,841,867]" pageId="23" pageNumber="24" rank="species">gen. et sp. nov.</taxonomicNameLabel>
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<subSubSection id="9FF76531FFBBFFB9FEBD7C7FFC7E79CD" pageId="23" pageNumber="24" type="description">
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<paragraph id="D75236BAFFBBFFB9FEBD7C7FFB1679E2" blockId="23.[363,1224,840,937]" box="[363,1224,875,902]" pageId="23" pageNumber="24">
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urn:lsid:zoobank.org:act:
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<uuid id="A34B0C6FFFBBFFB9FD467C7FFB1679E2" box="[656,1224,875,902]" pageId="23" pageNumber="24">8D1729CE-0726-42C1-85C9-E2AE55BDC1C6</uuid>
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</uri>
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<paragraph id="D75236BAFFBBFFB9FD457C9BFC7E79CD" blockId="23.[363,1224,840,937]" box="[659,928,911,937]" pageId="23" pageNumber="24">
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<figureCitation id="4FD62A3FFFBBFFB9FD457C9BFCE979CD" box="[659,823,911,937]" captionStart="Fig" captionStartId="28.[187,230,1565,1591]" captionTargetId="figure-12@27.[208,1380,306,2018]" captionTargetPageId="27" captionText="Fig. 17 (previous page). Rioceratid and orthocerid cephalopods from the Olenidsletta Member, Floian, Ordovician, Profilstranda section, Ny Friesland, Spitsbergen. A-C. Eosomichelinoceras borealis sp. nov., from bed PO 123.3. A. Specimen FMNH-P30278, lateral view with ventral, prosiphuncular side toward left.B. Specimen FMNH-P30279, lateral view with ventral, prosiphuncular side toward left. C. Specimen FMNH-20288, holotype, ventral view. D–F, I. Hinlopoceras tempestatis gen. et sp. nov., from bed PO 07. D. Specimen FMNH-P30359, lateral view with ventral, prosiphuncular side toward right.E. Specimen FMNH-30479, adult(?) body chamber, ventral view, prosiphuncular side.F. Specimen FMNH-P30362, strongly annulated fragment of body chamber. G–H, J. Hinlopoceras venti gen. et sp. nov. G. Specimen FMNH-P30262, from bed PO 07, lateral view with ventral, prosiphuncular side toward left. H. Specimen FMNH-P30266, from bed PO 7.5, lateral view with ventral, prosiphuncular side toward right. I. Specimen FMNH-P30360; note the nearly smooth adapical part of the fragment. J. Specimen FMNH-P30267, from bed PO 7.5, lateral view with ventral, prosiphuncular side toward left. Scale bar = 10 mm for all figures." figureDoi="http://doi.org/10.5281/zenodo.5794313" httpUri="https://zenodo.org/record/5794313/files/figure.png" pageId="23" pageNumber="24">Figs 17D–F, I</figureCitation>
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,
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<figureCitation id="4FD62A3FFFBBFFB9FC957C9BFCBC79CD" box="[835,866,911,937]" captionStart="Fig" captionStartId="29.[189,232,1913,1939]" captionTargetBox="[192,1371,1558,1867]" captionTargetId="figure-253@29.[189,1398,1535,1875]" captionTargetPageId="29" captionText="Fig. 18. Diagrams of relative conch width and angles of expansion of species of Hinlopoceras gen. nov. from the Olenidsletta Member, Floian, Ordovician, Profilstranda section, Ny Friesland, Spitsbergen. See Supp. file 1 for details of measurements." figureDoi="http://doi.org/10.5281/zenodo.5793474" httpUri="https://zenodo.org/record/5793474/files/figure.png" pageId="23" pageNumber="24">18</figureCitation>
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,
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<figureCitation id="4FD62A3FFFBBFFB9FCB97C9BFC7E79CD" box="[879,928,911,937]" captionStart="Fig" captionStartId="30.[188,231,1780,1806]" captionTargetBox="[189,1362,1400,1742]" captionTargetId="figure-388@30.[189,1398,1400,1742]" captionTargetPageId="30" captionText="Fig. 19. Details of the conch surface of rioceratid cephalopods from the Olenidsletta Member, Floian, Ordovician, Profilstranda section, Ny Friesland, Spitsbergen. A. Hinlopoceras venti gen. et sp. nov., FMNH- P30262, from bed PO 07, lateral view with ventral, prosiphuncular side toward left. B. Hinlopoceras tempestatis gen. et sp. nov., FMNH-P30359, from bed PO 07, lateral view with ventral, prosiphuncular side toward right. C. Svalbardoceras skua gen. et sp. nov., FMNH-P30408, from bed PO 123.3. D. Svalbardoceras sterna gen. et sp. nov., FMNH-P30373, from bed PO 7.5. Scale bar = 5 mm for all figures." figureDoi="http://doi.org/10.5281/zenodo.5793478" httpUri="https://zenodo.org/record/5793478/files/figure.png" pageId="23" pageNumber="24">19B</figureCitation>
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</paragraph>
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<subSubSection id="9FF76531FFBBFFB6FF6B7CC4FD1B7B22" lastPageId="24" lastPageNumber="25" pageId="23" pageNumber="24" type="diagnosis">
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<paragraph id="D75236BAFFBBFFB9FF6B7CC4FEE8798E" blockId="23.[189,310,976,1002]" box="[189,310,976,1002]" pageId="23" pageNumber="24">
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<heading id="8C1A81D6FFBBFFB9FF6B7CC4FEE8798E" bold="true" box="[189,310,976,1002]" fontSize="11" level="3" pageId="23" pageNumber="24" reason="3">
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<emphasis id="E599EAA8FFBBFFB9FF6B7CC4FEE8798E" bold="true" box="[189,310,976,1002]" pageId="23" pageNumber="24">Diagnosis</emphasis>
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</heading>
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</paragraph>
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<paragraph id="D75236BAFFBBFFB6FF6B7CEBFD1B7B22" blockId="23.[187,1399,1023,1120]" lastBlockId="24.[189,1399,265,326]" lastPageId="24" lastPageNumber="25" pageId="23" pageNumber="24">
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<taxonomicName id="10ED4D39FFBBFFB9FF6B7CEBFE837E7D" authority="Kröger & Pohle, 2021" authorityName="Kröger & Pohle" authorityYear="2021" box="[189,349,1023,1049]" class="Cephalopoda" family="Rioceratidae" genus="Hinlopoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tetrabranchia" pageId="23" pageNumber="24" phylum="Mollusca" rank="genus" status="gen. nov.">
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<emphasis id="E599EAA8FFBBFFB9FF6B7CEBFE837E7D" box="[189,349,1023,1049]" italics="true" pageId="23" pageNumber="24">Hinlopoceras</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="FEAA57D3FFBBFFB9FEB37CEBFE0F7E7D" box="[357,465,1023,1049]" pageId="23" pageNumber="24" rank="genus">gen. nov.</taxonomicNameLabel>
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with cross section changing from circular in juvenile growth stage to ca
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<quantity id="10159B5FFFBBFFB9FAE57CEBFAA97E7D" box="[1331,1399,1023,1049]" metricMagnitude="-2" metricUnit="m" metricValue="2.286" pageId="23" pageNumber="24" unit="in" value="0.9">0.9 in</quantity>
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adult specimen; angle of expansion decreases during growth from ca 14° to 10°; ornamented with distinct directly transverse, irregularly spaced lirae, 1.5–3 lirae occur per millimeter, and with weak, directly transverse annulations in latest growth stages. Siphuncle narrow with diameter 0.15 of corresponding conch height, strictly marginally positioned.
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</paragraph>
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</subSubSection>
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<caption id="83926632FFBBFFB9FF6B7800FDDC7DBB" ID-DOI="http://doi.org/10.5281/zenodo.5793460" ID-Zenodo-Dep="5793460" httpUri="https://zenodo.org/record/5793460/files/figure.png" pageId="23" pageNumber="24" startId="23.[189,232,1812,1838]" targetBox="[201,1394,1216,1772]" targetPageId="23">
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<paragraph id="D75236BAFFBBFFB9FF6B7800FDDC7DBB" blockId="23.[187,1399,1812,2015]" pageId="23" pageNumber="24">
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<emphasis id="E599EAA8FFBBFFB9FF6B7800FEC07D4A" bold="true" box="[189,286,1812,1838]" pageId="23" pageNumber="24">Fig. 13.</emphasis>
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Details of the conch surface of transversally ornamented orthocones from the Olenidsletta Member, Floian, Ordovician, Profilstranda section, Ny Friesland, Spitsbergen.
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<emphasis id="E599EAA8FFBBFFB9FB65782CFB167D36" bold="true" box="[1203,1224,1848,1874]" pageId="23" pageNumber="24">A</emphasis>
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.
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<taxonomicName id="10ED4D39FFBBFFB9FB34782CFEE27D11" authority="Kröger & Pohle, 2021" authorityName="Kröger & Pohle" authorityYear="2021" class="Cephalopoda" family="Rioceratidae" genus="Ethanoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tetrabranchia" pageId="23" pageNumber="24" phylum="Mollusca" rank="species" species="solitudines" status="gen. et sp. nov.">
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<emphasis id="E599EAA8FFBBFFB9FB34782CFEE27D11" italics="true" pageId="23" pageNumber="24">Ethanoceras solitudines</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="FEAA57D3FFBBFFB9FE947848FE317D12" box="[322,495,1884,1910]" pageId="23" pageNumber="24" rank="species">gen. et sp. nov.</taxonomicNameLabel>
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, FMNH-P30383, holotype, from bed PO 131.
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<emphasis id="E599EAA8FFBBFFB9FBD4784FFBC87D11" bold="true" box="[1026,1046,1883,1909]" pageId="23" pageNumber="24">B</emphasis>
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.
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<taxonomicName id="10ED4D39FFBBFFB9FBF2784FFAA87D11" authority="Kröger & Pohle, 2021" authorityName="Kröger & Pohle" authorityYear="2021" box="[1060,1398,1883,1909]" class="Cephalopoda" family="Baltoceratidae" genus="Eosomichelinoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Orthocerida" pageId="23" pageNumber="24" phylum="Mollusca" rank="species" species="borealis" status="sp. nov.">
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<emphasis id="E599EAA8FFBBFFB9FBF2784FFAA87D11" box="[1060,1398,1883,1909]" italics="true" pageId="23" pageNumber="24">Eosomichelinoceras borealis</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="FEAA57D3FFBBFFB9FF6B786BFEC47DFD" box="[189,282,1919,1945]" pageId="23" pageNumber="24" rank="species">sp. nov.</taxonomicNameLabel>
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, FMNH-P30279, holotype, from bed PO 123.3.
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<emphasis id="E599EAA8FFBBFFB9FC84786AFCB97DFC" bold="true" box="[850,871,1918,1944]" pageId="23" pageNumber="24">C</emphasis>
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.
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<taxonomicName id="10ED4D39FFBBFFB9FCA3786BFAAC7DFD" authority="Aubrechtova, 2015" authorityName="Aubrechtova" authorityYear="2015" box="[885,1394,1918,1945]" class="Cephalopoda" family="Baltoceratidae" genus="Bactroceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Orthocerida" pageId="23" pageNumber="24" phylum="Mollusca" rank="species" species="boliviensis">
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<emphasis id="E599EAA8FFBBFFB9FCA3786BFB567DFC" box="[885,1160,1918,1944]" italics="true" pageId="23" pageNumber="24">Bactroceras boliviensis</emphasis>
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<bibRefCitation id="B37C4B4BFFBBFFB9FB58786AFAAC7DFD" author="Aubrechtova M." box="[1166,1394,1918,1945]" pageId="23" pageNumber="24" pagination="193 - 211" refId="ref45191" refString="Aubrechtova M. 2015. A revision of the Ordovician cephalopod Bactrites sandbergeri Barrande: systematic position and palaeobiogeography of Bactroceras. Geobios 48: 193 - 211. https: // doi. org / 10.1016 / j. geobios. 2015.03.002" type="journal article" year="2015">Aubrechtová, 2015</bibRefCitation>
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</taxonomicName>
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, FMNH-P30232, from bed PO 131, conch section with nearly cyclic spacing of transverse striae. Scale bar = 10 mm for all figures.
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</paragraph>
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</caption>
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<subSubSection id="9FF76531FFB4FFB6FF6B7E7AFAA97BD2" box="[189,1399,366,439]" pageId="24" pageNumber="25" type="etymology">
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<paragraph id="D75236BAFFB4FFB6FF6B7E7AFE9A7BEC" blockId="24.[189,324,366,392]" box="[189,324,366,392]" pageId="24" pageNumber="25">
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<heading id="8C1A81D6FFB4FFB6FF6B7E7AFE9A7BEC" bold="true" box="[189,324,366,392]" fontSize="11" level="3" pageId="24" pageNumber="25" reason="3">
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<emphasis id="E599EAA8FFB4FFB6FF6B7E7AFE9A7BEC" bold="true" box="[189,324,366,392]" pageId="24" pageNumber="25">Etymology</emphasis>
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</heading>
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</paragraph>
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<paragraph id="D75236BAFFB4FFB6FF6B7E89FAA97BD2" blockId="24.[189,1399,412,439]" box="[189,1399,412,439]" pageId="24" pageNumber="25">
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From the Latin ‘
|
||
<emphasis id="E599EAA8FFB4FFB6FEAD7E89FE317BD2" box="[379,495,413,438]" italics="true" pageId="24" pageNumber="25">tempestas</emphasis>
|
||
’, ‘storm’; referring to its wave-like distinct transversely lirate ornamentation.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="9FF76531FFB4FFB6FF6B7ECAFC1F7900" pageId="24" pageNumber="25" type="materials_examined">
|
||
<paragraph id="D75236BAFFB4FFB6FF6B7ECAFEB27B93" blockId="24.[189,364,477,504]" box="[189,364,477,504]" pageId="24" pageNumber="25">
|
||
<heading id="8C1A81D6FFB4FFB6FF6B7ECAFEB27B93" bold="true" box="[189,364,477,504]" fontSize="11" level="3" pageId="24" pageNumber="25" reason="3">
|
||
<emphasis id="E599EAA8FFB4FFB6FF6B7ECAFEB27B93" bold="true" box="[189,364,477,504]" pageId="24" pageNumber="25">Type material</emphasis>
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="D75236BAFFB4FFB6FF3C7D18FE26782D" blockId="24.[189,504,524,585]" pageId="24" pageNumber="25">
|
||
<materialsCitation id="67853CE7FFB4FFB6FF3C7D18FE26782D" ID-GBIF-Occurrence="3421082319" collectionCode="FMNH-P" pageId="24" pageNumber="25" specimenCode="FMNH-P30360" specimenCount="1" typeStatus="holotype">
|
||
<emphasis id="E599EAA8FFB4FFB6FF3C7D18FE827842" bold="true" box="[234,348,524,550]" pageId="24" pageNumber="25">
|
||
<typeStatus id="08568818FFB4FFB6FF3C7D18FE827842" box="[234,348,524,550]" pageId="24" pageNumber="25" type="holotype">Holotype</typeStatus>
|
||
</emphasis>
|
||
<specimenCount id="C1EBFD33FFB4FFB6FF6B7D3BFEEF782D" box="[189,305,559,585]" pageId="24" pageNumber="25" type="generic">Specimen</specimenCount>
|
||
<specimenCode id="874B9EC1FFB4FFB6FEEE7D3BFE2A782D" box="[312,500,559,585]" collectionCode="FMNH-P" pageId="24" pageNumber="25">FMNH-P30360</specimenCode>
|
||
.
|
||
</materialsCitation>
|
||
</paragraph>
|
||
<paragraph id="D75236BAFFB4FFB6FF3C7D65FE3578B5" blockId="24.[189,1399,625,722]" pageId="24" pageNumber="25">
|
||
<materialsCitation id="67853CE7FFB4FFB6FF3C7D65FE3578B5" ID-GBIF-Occurrence="3421082342" collectionCode="P" pageId="24" pageNumber="25" specimenCode="FMNH-P30450, P30357, P30359, P30260, P30269, P30479" specimenCount="1" typeStatus="paratype">
|
||
<emphasis id="E599EAA8FFB4FFB6FF3C7D65FEB978EF" bold="true" box="[234,359,625,651]" pageId="24" pageNumber="25">
|
||
<typeStatus id="08568818FFB4FFB6FF3C7D65FEB978EF" box="[234,359,625,651]" pageId="24" pageNumber="25" type="paratype">Paratypes</typeStatus>
|
||
</emphasis>
|
||
<specimenCount id="C1EBFD33FFB4FFB6FF6B7D80FE4D78CA" box="[189,403,660,686]" pageId="24" pageNumber="25">Fifteen specimens</specimenCount>
|
||
(
|
||
<specimenCode id="874B9EC1FFB4FFB6FE757D80FDBF78CB" box="[419,609,660,687]" pageId="24" pageNumber="25">FMNH-P30450</specimenCode>
|
||
,
|
||
<specimenCode id="874B9EC1FFB4FFB6FDBB7D80FD1978CB" box="[621,711,660,687]" pageId="24" pageNumber="25">P30357</specimenCode>
|
||
to
|
||
<specimenCode id="874B9EC1FFB4FFB6FD397D80FC9278CB" box="[751,844,660,687]" pageId="24" pageNumber="25">P30359</specimenCode>
|
||
,
|
||
<specimenCode id="874B9EC1FFB4FFB6FC8F7D80FC6D78CA" box="[857,947,660,686]" pageId="24" pageNumber="25">P30260</specimenCode>
|
||
to
|
||
<specimenCode id="874B9EC1FFB4FFB6FC0C7D80FBE978CA" box="[986,1079,660,686]" pageId="24" pageNumber="25">P30269</specimenCode>
|
||
,
|
||
<specimenCode id="874B9EC1FFB4FFB6FB927D80FB4178CA" box="[1092,1183,660,686]" pageId="24" pageNumber="25">P30479</specimenCode>
|
||
) all are from type locality and type horizon.
|
||
</materialsCitation>
|
||
</paragraph>
|
||
<paragraph id="D75236BAFFB4FFB6FF6B7DEDFE257976" blockId="24.[189,507,760,787]" box="[189,507,760,787]" pageId="24" pageNumber="25">
|
||
<heading id="8C1A81D6FFB4FFB6FF6B7DEDFE257976" bold="true" box="[189,507,760,787]" fontSize="11" level="3" pageId="24" pageNumber="25" reason="3">
|
||
<emphasis id="E599EAA8FFB4FFB6FF6B7DEDFE257976" bold="true" box="[189,507,760,787]" pageId="24" pageNumber="25">Type locality and horizon</emphasis>
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="D75236BAFFB4FFB6FF6B7C3CFC1F7900" blockId="24.[189,1398,807,869]" pageId="24" pageNumber="25">
|
||
From Profilstranda section, adjacent to Hinlopenstretet, Spistbergen, from bed
|
||
<collectionCode id="B1FCAE7FFFB4FFB6FB827C33FBA77925" box="[1108,1145,807,833]" country="Russia" name="Collection of the Zoological Institute of the Russian Academy of Sciences" pageId="24" pageNumber="25">PO</collectionCode>
|
||
07, 4.0 m above base of Olenidsletta Member,
|
||
<collectionCode id="B1FCAE7FFFB4FFB6FE347C5EFE247900" box="[482,506,842,868]" country="Canada" lsid="urn:lsid:biocol.org:col:13946" name="Royal British Columbia Museum - Herbarium" pageId="24" pageNumber="25" type="Museum">V</collectionCode>
|
||
1a trilobite zone, Blackhillsian, Floian.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="9FF76531FFB4FFB7FF6B7C9FFCE87827" lastPageId="25" lastPageNumber="26" pageId="24" pageNumber="25" type="description">
|
||
<paragraph id="D75236BAFFB4FFB6FF6B7C9FFE9079C1" blockId="24.[189,334,907,933]" box="[189,334,907,933]" pageId="24" pageNumber="25">
|
||
<heading id="8C1A81D6FFB4FFB6FF6B7C9FFE9079C1" bold="true" box="[189,334,907,933]" fontSize="11" level="3" pageId="24" pageNumber="25" reason="3">
|
||
<emphasis id="E599EAA8FFB4FFB6FF6B7C9FFE9079C1" bold="true" box="[189,334,907,933]" pageId="24" pageNumber="25">Description</emphasis>
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="D75236BAFFB4FFB6FF6B7CAEFCF07E05" blockId="24.[189,1399,954,1122]" pageId="24" pageNumber="25">
|
||
The conch is curved and has a cross section that changes from circular during early growth stages, with diameters less than
|
||
<quantity id="10159B5FFFB4FFB6FE7E7CCAFDDE799C" box="[424,512,990,1016]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="24" pageNumber="25" unit="mm" value="10.0">10 mm</quantity>
|
||
, to slightly compressed (rCW ca 0.9) in later growth stages (
|
||
<figureCitation id="4FD62A3FFFB4FFB6FB0F7CC9FAEC799C" box="[1241,1330,989,1016]" captionStart="Fig" captionStartId="29.[189,232,1913,1939]" captionTargetBox="[192,1371,1558,1867]" captionTargetId="figure-253@29.[189,1398,1535,1875]" captionTargetPageId="29" captionText="Fig. 18. Diagrams of relative conch width and angles of expansion of species of Hinlopoceras gen. nov. from the Olenidsletta Member, Floian, Ordovician, Profilstranda section, Ny Friesland, Spitsbergen. See Supp. file 1 for details of measurements." figureDoi="http://doi.org/10.5281/zenodo.5793474" httpUri="https://zenodo.org/record/5793474/files/figure.png" pageId="24" pageNumber="25">Fig. 18</figureCitation>
|
||
). The conch expands in conch height with an angle of 9°–14° and in conch width from 9° to 13°. The conch curvature also decreases adorally, with specimens>
|
||
<quantity id="10159B5FFFB4FFB6FCF57B30FCA87E5A" box="[803,886,1060,1086]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="24" pageNumber="25" unit="mm" value="10.0">10 mm</quantity>
|
||
in conch height having a nearly orthoconic conch with an angle of expansion of ca 10° (
|
||
<figureCitation id="4FD62A3FFFB4FFB6FD1F7B53FCC17E05" box="[713,799,1095,1121]" captionStart="Fig" captionStartId="29.[189,232,1913,1939]" captionTargetBox="[192,1371,1558,1867]" captionTargetId="figure-253@29.[189,1398,1535,1875]" captionTargetPageId="29" captionText="Fig. 18. Diagrams of relative conch width and angles of expansion of species of Hinlopoceras gen. nov. from the Olenidsletta Member, Floian, Ordovician, Profilstranda section, Ny Friesland, Spitsbergen. See Supp. file 1 for details of measurements." figureDoi="http://doi.org/10.5281/zenodo.5793474" httpUri="https://zenodo.org/record/5793474/files/figure.png" pageId="24" pageNumber="25">Fig. 18</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="D75236BAFFB4FFB6FF6B7B9CFB127F68" blockId="24.[188,1400,1160,1293]" pageId="24" pageNumber="25">
|
||
The conch ornament consists of distinct, directly transverse lirae which are relatively widely spaced and form a shallow hyponomic sinus on the concave side of the conch curvature (
|
||
<figureCitation id="4FD62A3FFFB4FFB6FB457BB8FADB7EA2" box="[1171,1285,1196,1222]" captionStart="Fig" captionStartId="28.[187,230,1565,1591]" captionTargetId="figure-12@27.[208,1380,306,2018]" captionTargetPageId="27" captionText="Fig. 17 (previous page). Rioceratid and orthocerid cephalopods from the Olenidsletta Member, Floian, Ordovician, Profilstranda section, Ny Friesland, Spitsbergen. A-C. Eosomichelinoceras borealis sp. nov., from bed PO 123.3. A. Specimen FMNH-P30278, lateral view with ventral, prosiphuncular side toward left.B. Specimen FMNH-P30279, lateral view with ventral, prosiphuncular side toward left. C. Specimen FMNH-20288, holotype, ventral view. D–F, I. Hinlopoceras tempestatis gen. et sp. nov., from bed PO 07. D. Specimen FMNH-P30359, lateral view with ventral, prosiphuncular side toward right.E. Specimen FMNH-30479, adult(?) body chamber, ventral view, prosiphuncular side.F. Specimen FMNH-P30362, strongly annulated fragment of body chamber. G–H, J. Hinlopoceras venti gen. et sp. nov. G. Specimen FMNH-P30262, from bed PO 07, lateral view with ventral, prosiphuncular side toward left. H. Specimen FMNH-P30266, from bed PO 7.5, lateral view with ventral, prosiphuncular side toward right. I. Specimen FMNH-P30360; note the nearly smooth adapical part of the fragment. J. Specimen FMNH-P30267, from bed PO 7.5, lateral view with ventral, prosiphuncular side toward left. Scale bar = 10 mm for all figures." figureDoi="http://doi.org/10.5281/zenodo.5794313" httpUri="https://zenodo.org/record/5794313/files/figure.png" pageId="24" pageNumber="25">Figs 17D</figureCitation>
|
||
,
|
||
<figureCitation id="4FD62A3FFFB4FFB6FAC57BB8FA997EA2" box="[1299,1351,1196,1222]" captionStart="Fig" captionStartId="30.[188,231,1780,1806]" captionTargetBox="[189,1362,1400,1742]" captionTargetId="figure-388@30.[189,1398,1400,1742]" captionTargetPageId="30" captionText="Fig. 19. Details of the conch surface of rioceratid cephalopods from the Olenidsletta Member, Floian, Ordovician, Profilstranda section, Ny Friesland, Spitsbergen. A. Hinlopoceras venti gen. et sp. nov., FMNH- P30262, from bed PO 07, lateral view with ventral, prosiphuncular side toward left. B. Hinlopoceras tempestatis gen. et sp. nov., FMNH-P30359, from bed PO 07, lateral view with ventral, prosiphuncular side toward right. C. Svalbardoceras skua gen. et sp. nov., FMNH-P30408, from bed PO 123.3. D. Svalbardoceras sterna gen. et sp. nov., FMNH-P30373, from bed PO 7.5. Scale bar = 5 mm for all figures." figureDoi="http://doi.org/10.5281/zenodo.5793478" httpUri="https://zenodo.org/record/5793478/files/figure.png" pageId="24" pageNumber="25">19B</figureCitation>
|
||
). In specimen FMNH-P30268 the distance between lirae is
|
||
<quantity id="10159B5FFFB4FFB6FCE87BDBFC497E8D" box="[830,919,1231,1257]" metricMagnitude="-4" metricUnit="m" metricValue="3.0" pageId="24" pageNumber="25" unit="mm" value="0.3">0.3 mm</quantity>
|
||
to
|
||
<quantity id="10159B5FFFB4FFB6FC6F7BDBFC227E8D" box="[953,1020,1231,1257]" metricMagnitude="-3" metricUnit="m" metricValue="1.0" pageId="24" pageNumber="25" unit="mm" value="1.0">1 mm</quantity>
|
||
where the conch height is
|
||
<quantity id="10159B5FFFB4FFB6FAF97BDBFAAA7E8D" box="[1327,1396,1231,1257]" metricMagnitude="-3" metricUnit="m" metricValue="7.0" pageId="24" pageNumber="25" unit="mm" value="7.0">7 mm</quantity>
|
||
, and sometimes several subordinate finer lirae occur between two more pronounced lirae.
|
||
</paragraph>
|
||
<paragraph id="D75236BAFFB4FFB7FF6B7A20FB197BB7" blockId="24.[189,1401,1331,1429]" lastBlockId="25.[187,1400,265,467]" lastPageId="25" lastPageNumber="26" pageId="24" pageNumber="25">
|
||
Two specimens have the siphuncle preserved; in the
|
||
<typeStatus id="08568818FFB4FFB6FCFD7A27FC4C7F29" box="[811,914,1331,1357]" pageId="24" pageNumber="25" type="holotype">holotype</typeStatus>
|
||
the siphuncle is marginally positioned at the concave side of the conch curvature, and
|
||
<quantity id="10159B5FFFB4FFB6FD097A43FCE57F15" box="[735,827,1367,1393]" metricMagnitude="-4" metricUnit="m" metricValue="4.0" pageId="24" pageNumber="25" unit="mm" value="0.4">0.4 mm</quantity>
|
||
wide where the conch cross section is
|
||
<quantity id="10159B5FFFB4FFB6FAC27A43FAAD7F15" box="[1300,1395,1367,1393]" metricMagnitude="-3" metricUnit="m" metricValue="2.9" pageId="24" pageNumber="25" unit="mm" value="2.9">2.9 mm</quantity>
|
||
. In specimen FMNH-P30365 the siphuncle has a diameter of
|
||
<quantity id="10159B5FFFB4FFB6FC437A6EFC2E7FF0" box="[917,1008,1402,1428]" metricMagnitude="-3" metricUnit="m" metricValue="1.2" pageId="24" pageNumber="25" unit="mm" value="1.2">1.2 mm</quantity>
|
||
where the conch cross section is
|
||
<quantity id="10159B5FFFB5FFB7FF6B7E1DFEC27B47" box="[189,284,265,291]" metricMagnitude="-3" metricUnit="m" metricValue="7.2" pageId="25" pageNumber="26" unit="mm" value="7.2">7.2 mm</quantity>
|
||
. The chamber length is known from
|
||
<specimenCount id="C1EBFD33FFB5FFB7FD017E1DFC597B47" box="[727,903,265,291]" pageId="25" pageNumber="26" type="generic">two specimens</specimenCount>
|
||
only; in the
|
||
<typeStatus id="08568818FFB5FFB7FBF47E1DFB577B47" box="[1058,1161,265,291]" pageId="25" pageNumber="26" type="holotype">holotype</typeStatus>
|
||
the chamber length is
|
||
<quantity id="10159B5FFFB5FFB7FF0D7E38FEE97B23" box="[219,311,300,327]" metricMagnitude="-4" metricUnit="m" metricValue="7.0" pageId="25" pageNumber="26" unit="mm" value="0.7">0.7 mm</quantity>
|
||
at a corresponding conch height of
|
||
<quantity id="10159B5FFFB5FFB7FD307E38FCF17B23" box="[742,815,300,327]" metricMagnitude="-3" metricUnit="m" metricValue="3.0" pageId="25" pageNumber="26" unit="mm" value="3.0">3 mm</quantity>
|
||
, and in FMNH-P30269 the septa have a distance of
|
||
<quantity id="10159B5FFFB5FFB7FF377E5BFEF67B0E" box="[225,296,335,362]" metricMagnitude="-3" metricUnit="m" metricValue="1.0" pageId="25" pageNumber="26" unit="mm" value="1.0">1 mm</quantity>
|
||
where the conch is
|
||
<quantity id="10159B5FFFB5FFB7FDC97E5BFDA57B0E" box="[543,635,335,362]" metricMagnitude="-3" metricUnit="m" metricValue="3.7" pageId="25" pageNumber="26" unit="mm" value="3.7">3.7 mm</quantity>
|
||
in diameter. The largest fragments (specimens FMNH-P30358, FMNH-P30362) have maximum conch heights of
|
||
<quantity id="10159B5FFFB5FFB7FCD77E66FCB67BE9" box="[769,872,370,397]" metricMagnitude="-2" metricUnit="m" metricValue="1.64" pageId="25" pageNumber="26" unit="mm" value="16.4">16.4 mm</quantity>
|
||
and
|
||
<quantity id="10159B5FFFB5FFB7FC4B7E67FC2F7BE9" box="[925,1009,371,397]" metricMagnitude="-2" metricUnit="m" metricValue="1.7" pageId="25" pageNumber="26" unit="mm" value="17.0">17 mm</quantity>
|
||
, respectively, and are ornamented additionally with a weak transverse annulation, which is more pronounced adorally. The distance between the rounded annuli is ca
|
||
<quantity id="10159B5FFFB5FFB7FD907EADFD547BB7" box="[582,650,441,467]" metricMagnitude="-3" metricUnit="m" metricValue="3.0" pageId="25" pageNumber="26" unit="mm" value="3.0">3 mm</quantity>
|
||
and ca seven lirae occur per cycle of annulation.
|
||
</paragraph>
|
||
<caption id="83926632FFB4FFB6FF697868FBAC7DBA" ID-DOI="http://doi.org/10.5281/zenodo.5793466" ID-Zenodo-Dep="5793466" httpUri="https://zenodo.org/record/5793466/files/figure.png" pageId="24" pageNumber="25" startId="24.[191,234,1916,1942]" targetBox="[192,1395,1517,1843]" targetPageId="24">
|
||
<paragraph id="D75236BAFFB4FFB6FF697868FBAC7DBA" blockId="24.[189,1399,1916,2014]" pageId="24" pageNumber="25">
|
||
<emphasis id="E599EAA8FFB4FFB6FF697868FEC27DF2" bold="true" box="[191,284,1916,1942]" pageId="24" pageNumber="25">Fig. 14.</emphasis>
|
||
Diagrams of angle of expansion, relative chamber length, and relative position of siphuncle of
|
||
<taxonomicName id="10ED4D39FFB4FFB6FF6878B4FE087DDE" authority="Kröger & Pohle, 2021" authorityName="Kröger & Pohle" authorityYear="2021" box="[190,470,1952,1978]" class="Cephalopoda" family="Rioceratidae" genus="Ethanoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tetrabranchia" pageId="24" pageNumber="25" phylum="Mollusca" rank="species" species="solitudines" status="gen. et sp. nov.">
|
||
<emphasis id="E599EAA8FFB4FFB6FF6878B4FE087DDE" box="[190,470,1952,1978]" italics="true" pageId="24" pageNumber="25">Ethanoceras solitudines</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="FEAA57D3FFB4FFB6FE0A78B4FD597DDE" box="[476,647,1952,1978]" pageId="24" pageNumber="25" rank="species">gen. et sp. nov.</taxonomicNameLabel>
|
||
from the Olenidsletta Member, Floian, Ordovician, Profilstranda section, Ny Friesland, Spitsbergen. See Supp. file 1, for details of measurements.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="D75236BAFFB5FFB7FF6B7EEEFE867870" blockId="25.[189,344,506,532]" box="[189,344,506,532]" pageId="25" pageNumber="26">
|
||
<heading id="8C1A81D6FFB5FFB7FF6B7EEEFE867870" bold="true" box="[189,344,506,532]" fontSize="11" level="3" pageId="25" pageNumber="26" reason="3">
|
||
<emphasis id="E599EAA8FFB5FFB7FF6B7EEEFE867870" bold="true" box="[189,344,506,532]" pageId="25" pageNumber="26">Comparison</emphasis>
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="D75236BAFFB5FFB7FF6B7D3DFCE87827" blockId="25.[189,822,553,579]" box="[189,822,553,579]" pageId="25" pageNumber="26">
|
||
See comparison of
|
||
<taxonomicName id="10ED4D39FFB5FFB7FE497D3DFDA17827" authority="Kröger & Pohle, 2021" authorityName="Kröger & Pohle" authorityYear="2021" box="[415,639,553,579]" class="Cephalopoda" family="Rioceratidae" genus="Hinlopoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tetrabranchia" pageId="25" pageNumber="26" phylum="Mollusca" rank="species" species="venti" status="gen. et sp. nov.">
|
||
<emphasis id="E599EAA8FFB5FFB7FE497D3DFDA17827" box="[415,639,553,579]" italics="true" pageId="25" pageNumber="26">Hinlopoceras venti</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="FEAA57D3FFB5FFB7FD507D3DFCE87827" box="[646,822,553,579]" pageId="25" pageNumber="26" rank="species">gen. et sp. nov.</taxonomicNameLabel>
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |