249 lines
27 KiB
XML
249 lines
27 KiB
XML
<document id="D99924E4E91819B3FD8838EE8539A867" 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="5F4487ACFF90FF92FDEB7E1CFB797DB7" 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="Cycloplectoceras hinlopense Kröger & Pohle 2021, sp. nov." docType="treatment" docUuid="17CC19A8-797C-4718-AE09-C6DEEF037258" docUuidSource="ZooBank" docVersion="11" lastPageNumber="61" masterDocId="A37DFFD4FFACFFAEFFD67F14FFDE7A64" masterDocTitle="Early-Middle Ordovician cephalopods from Ny Friesland, Spitsbergen - a pelagic fauna with Laurentian affinities" masterLastPageNumber="102" masterPageNumber="1" pageNumber="61" 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="E19397758C23808ECEFF0C4D241445F6">Early-Middle Ordovician cephalopods from Ny Friesland, Spitsbergen - a pelagic fauna with Laurentian affinities</mods:title>
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<mods:namePart id="FCD8A6E1895A08F1D3AF5B8F1F32225F">Kröger, Björn</mods:namePart>
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<mods:affiliation id="2633324E7A03E343E21E8D68F3AA44C0">Finnish Museum of Natural History, University of Helsinki, PO Box 44, FI- 00014 Helsinki, Finland.</mods:affiliation>
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<mods:nameIdentifier id="369EB133D4698652874F5FCC94464F98" type="email">bjorn.kroger@helsinki.fi</mods:nameIdentifier>
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<mods:namePart id="85D2DD7B2FE79626E03A8864F5A9B31F">Pohle, Alexander</mods:namePart>
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<mods:affiliation id="5C4D286AE2A89034099A90E0236B6335">Paläontologisches Institut und Museum, University of Zurich, Zurich, Switzerland.</mods:affiliation>
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<mods:nameIdentifier id="67B25EA6E0C1D2D882D8BEB43DE9EDD9" type="email">alexander.pohle@pim.uzh.ch</mods:nameIdentifier>
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<mods:title id="B8D19DDAC9A3D203ABF08CBA851F9486">European Journal of Taxonomy</mods:title>
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<mods:part id="CF944F49EAB0BBC21D2E350C95BF7A3D">
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<mods:date id="930C2B173358AC1952B7B33DAFD65FC8">2021</mods:date>
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<treatment id="5F4487ACFF90FF92FDEB7E1CFB797DB7" ID-DOI="http://doi.org/10.5281/zenodo.5793580" ID-GBIF-Taxon="191693645" ID-Zenodo-Dep="5793580" LSID="urn:lsid:zoobank.org:act:17CC19A8-797C-4718-AE09-C6DEEF037258" httpUri="http://treatment.plazi.org/id/5F4487ACFF90FF92FDEB7E1CFB797DB7" lastPageNumber="61" pageId="60" pageNumber="61">
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<subSubSection id="9FF76531FF90FF92FDEB7E1CFC287B47" box="[573,1014,264,291]" pageId="60" pageNumber="61" type="nomenclature">
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<paragraph id="D75236BAFF90FF92FDEB7E1CFC287B47" blockId="60.[367,1220,264,361]" box="[573,1014,264,291]" pageId="60" pageNumber="61">
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<heading id="8C1A81D6FF90FF92FDEB7E1CFC287B47" box="[573,1014,264,291]" centered="true" fontSize="11" level="2" pageId="60" pageNumber="61" reason="2">
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<taxonomicName id="10ED4D39FF90FF92FDEB7E1CFC4A7B47" authority="Kröger & Pohle, 2021" authorityName="Kröger & Pohle" authorityYear="2021" box="[573,916,264,291]" class="Cephalopoda" family="Tarphyceratidae" genus="Cycloplectoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tetrabranchia" pageId="60" pageNumber="61" phylum="Mollusca" rank="species" species="hinlopense" status="sp. nov.">
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<emphasis id="E599EAA8FF90FF92FDEB7E1CFC4A7B47" bold="true" box="[573,916,264,291]" italics="true" pageId="60" pageNumber="61">Cycloplectoceras hinlopense</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="FEAA57D3FF90FF92FC4A7E1DFC287B47" box="[924,1014,265,291]" pageId="60" pageNumber="61" rank="species">sp. nov.</taxonomicNameLabel>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="9FF76531FF90FF92FEB97E3FFC817B0D" pageId="60" pageNumber="61" type="description">
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<paragraph id="D75236BAFF90FF92FEB97E3FFB1A7B22" blockId="60.[367,1220,264,361]" box="[367,1220,299,326]" pageId="60" pageNumber="61">
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urn:lsid:zoobank.org:act:
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<uuid id="A34B0C6FFF90FF92FD587E3FFB1A7B22" box="[654,1220,299,326]" pageId="60" pageNumber="61">17CC19A8-797C-4718-AE09-C6DEEF037258</uuid>
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</uri>
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</paragraph>
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<paragraph id="D75236BAFF90FF92FD027E5BFC817B0D" blockId="60.[367,1220,264,361]" box="[724,863,335,361]" pageId="60" pageNumber="61">
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<figureCitation id="4FD62A3FFF90FF92FD027E5BFC817B0D" box="[724,863,335,361]" captionStart="Fig" captionStartId="61.[189,232,1880,1906]" captionTargetBox="[189,1398,851,1838]" captionTargetId="figure-90@61.[189,1398,851,1841]" captionTargetPageId="61" captionText="Fig. 41. Coiled cephalopods from the Olenidsletta Member, Floian, Ordovician, Profilstranda section, Ny Friesland, Spitsbergen. A. Deltoceras beluga sp. nov., FMNH-P30322, from bed PO 07. B. Trocholitoceras walcotti Hyatt, 1894, FMNH-P30328, from bed PO 131. C-D. Cycloplectoceras hinlopense sp. nov., FMNH-P30327, holotype, from bed PO 131. Scale bar = 10 mm for all figures." figureDoi="http://doi.org/10.5281/zenodo.5793550" httpUri="https://zenodo.org/record/5793550/files/figure.png" pageId="60" pageNumber="61">Fig. 41C–D</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection id="9FF76531FF90FF92FF6B7E84FE007B99" pageId="60" pageNumber="61" type="diagnosis">
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<paragraph id="D75236BAFF90FF92FF6B7E84FEE87BCE" blockId="60.[189,310,400,426]" box="[189,310,400,426]" pageId="60" pageNumber="61">
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<heading id="8C1A81D6FF90FF92FF6B7E84FEE87BCE" bold="true" box="[189,310,400,426]" fontSize="11" level="3" pageId="60" pageNumber="61" reason="3">
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<emphasis id="E599EAA8FF90FF92FF6B7E84FEE87BCE" bold="true" box="[189,310,400,426]" pageId="60" pageNumber="61">Diagnosis</emphasis>
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</heading>
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</paragraph>
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<paragraph id="D75236BAFF90FF92FF6B7EABFE007B99" blockId="60.[189,1398,447,509]" pageId="60" pageNumber="61">
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Strongly ribbed
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<taxonomicName id="10ED4D39FF90FF92FEA87EABFD947BBD" authorityName="Ulrich, Foerste, Miller & Furnish" authorityYear="1942" box="[382,586,447,473]" class="Cephalopoda" family="Tarphyceratidae" genus="Cycloplectoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tetrabranchia" pageId="60" pageNumber="61" phylum="Mollusca" rank="genus">
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<emphasis id="E599EAA8FF90FF92FEA87EABFD947BBD" box="[382,586,447,473]" italics="true" pageId="60" pageNumber="61">Cycloplectoceras</emphasis>
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</taxonomicName>
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with rapidly enlarging conch with WER of ca 3.7 and LER of ca 2, with adult size>
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<quantity id="10159B5FFF90FF92FE527EF6FE077B99" box="[388,473,482,509]" metricMagnitude="-2" metricUnit="m" metricValue="3.0" pageId="60" pageNumber="61" unit="mm" value="30.0">30 mm</quantity>
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.
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</paragraph>
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||
</subSubSection>
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||
<subSubSection id="9FF76531FF90FF92FF6B7D30FC667808" box="[189,952,548,621]" pageId="60" pageNumber="61" type="etymology">
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<paragraph id="D75236BAFF90FF92FF6B7D30FE9A785A" blockId="60.[189,324,548,574]" box="[189,324,548,574]" pageId="60" pageNumber="61">
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<heading id="8C1A81D6FF90FF92FF6B7D30FE9A785A" bold="true" box="[189,324,548,574]" fontSize="11" level="3" pageId="60" pageNumber="61" reason="3">
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<emphasis id="E599EAA8FF90FF92FF6B7D30FE9A785A" bold="true" box="[189,324,548,574]" pageId="60" pageNumber="61">Etymology</emphasis>
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||
</heading>
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||
</paragraph>
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||
<paragraph id="D75236BAFF90FF92FF6B7D47FC667808" blockId="60.[189,952,594,621]" box="[189,952,594,621]" pageId="60" pageNumber="61">
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||
From Hinlopen Strait, referring to the
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<typeStatus id="08568818FF90FF92FDA87D47FD6F7809" box="[638,689,595,621]" pageId="60" pageNumber="61">type</typeStatus>
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region of this species.
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</paragraph>
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||
</subSubSection>
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||
<subSubSection id="9FF76531FF90FF92FF6B7D80FDF479F6" pageId="60" pageNumber="61" type="materials_examined">
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<paragraph id="D75236BAFF90FF92FF6B7D80FEB278C9" blockId="60.[189,364,659,686]" box="[189,364,659,686]" pageId="60" pageNumber="61">
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<heading id="8C1A81D6FF90FF92FF6B7D80FEB278C9" bold="true" box="[189,364,659,686]" fontSize="11" level="3" pageId="60" pageNumber="61" reason="3">
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<emphasis id="E599EAA8FF90FF92FF6B7D80FEB278C9" bold="true" box="[189,364,659,686]" pageId="60" pageNumber="61">Type material</emphasis>
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</heading>
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||
</paragraph>
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<paragraph id="D75236BAFF90FF92FF3C7DD6FD7F7964" blockId="60.[189,673,706,768]" pageId="60" pageNumber="61">
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<materialsCitation id="67853CE7FF90FF92FF3C7DD6FD7F7964" ID-GBIF-Occurrence="3421082321" collectionCode="FMNH-P" pageId="60" pageNumber="61" specimenCode="FMNH-P30327" specimenCount="1" typeStatus="holotype">
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<emphasis id="E599EAA8FF90FF92FF3C7DD6FE8278B8" bold="true" box="[234,348,706,732]" pageId="60" pageNumber="61">
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<typeStatus id="08568818FF90FF92FF3C7DD6FE8278B8" box="[234,348,706,732]" pageId="60" pageNumber="61" type="holotype">Holotype</typeStatus>
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</emphasis>
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<specimenCount id="C1EBFD33FF90FF92FF6B7DF1FEEF789B" box="[189,305,741,767]" pageId="60" pageNumber="61" type="generic">Specimen</specimenCount>
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<specimenCode id="874B9EC1FF90FF92FEEE7DF1FE2E789B" box="[312,496,741,767]" collectionCode="FMNH-P" pageId="60" pageNumber="61">FMNH-P30327</specimenCode>
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; by monotypy.
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</materialsCitation>
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</paragraph>
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<paragraph id="D75236BAFF90FF92FF6B7C33FE257924" blockId="60.[189,507,806,833]" box="[189,507,806,833]" pageId="60" pageNumber="61">
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<heading id="8C1A81D6FF90FF92FF6B7C33FE257924" bold="true" box="[189,507,806,833]" fontSize="11" level="3" pageId="60" pageNumber="61" reason="3">
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<emphasis id="E599EAA8FF90FF92FF6B7C33FE257924" bold="true" box="[189,507,806,833]" pageId="60" pageNumber="61">Type locality and horizon</emphasis>
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</heading>
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||
</paragraph>
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<paragraph id="D75236BAFF90FF92FF6B7C42FDF479F6" blockId="60.[189,1399,853,914]" pageId="60" pageNumber="61">
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From Profilstranda section, Ny Friesland,
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||
<collectingCountry id="AFFA762AFF90FF92FD6B7C41FCF6790B" box="[701,808,853,879]" name="Svalbard and Jan Mayen" pageId="60" pageNumber="61">Svalbard</collectingCountry>
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, bed
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<collectionCode id="B1FCAE7FFF90FF92FCBB7C41FC4C790B" box="[877,914,853,879]" country="Russia" name="Collection of the Zoological Institute of the Russian Academy of Sciences" pageId="60" pageNumber="61">PO</collectionCode>
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||
<quantity id="10159B5FFF90FF92FC4B7C41FBF47914" box="[925,1066,853,880]" metricMagnitude="5" metricUnit="m" metricValue="1.3112799999999998" pageId="60" pageNumber="61" unit="m" value="131128.0">131, 128 m</quantity>
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above base of Olenidsletta Member, Blackhillsian, Floian.
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</paragraph>
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||
</subSubSection>
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||
<subSubSection id="9FF76531FF90FF92FF6B7CAEFCE87F18" pageId="60" pageNumber="61" type="description">
|
||
<paragraph id="D75236BAFF90FF92FF6B7CAEFE9079B0" blockId="60.[189,334,954,980]" box="[189,334,954,980]" pageId="60" pageNumber="61">
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<heading id="8C1A81D6FF90FF92FF6B7CAEFE9079B0" bold="true" box="[189,334,954,980]" fontSize="11" level="3" pageId="60" pageNumber="61" reason="3">
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<emphasis id="E599EAA8FF90FF92FF6B7CAEFE9079B0" bold="true" box="[189,334,954,980]" pageId="60" pageNumber="61">Description</emphasis>
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</heading>
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</paragraph>
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||
<paragraph id="D75236BAFF90FF92FF6B7CFCFD697E08" blockId="60.[189,1400,1000,1132]" pageId="60" pageNumber="61">
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Specimen FMNH-P30327 is a fragment of a phragmocone consisting of ca two whorls with a total diameter of
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<quantity id="10159B5FFF90FF92FE9B7B1FFE7A7E42" box="[333,420,1035,1062]" metricMagnitude="-2" metricUnit="m" metricValue="2.6" pageId="60" pageNumber="61" unit="mm" value="26.0">26 mm</quantity>
|
||
. The conch grows with a WER of 3.66 and a LER of 2. The whorl is
|
||
<quantity id="10159B5FFF90FF92FB377B18FAEB7E42" box="[1249,1333,1036,1062]" metricMagnitude="-2" metricUnit="m" metricValue="1.3" pageId="60" pageNumber="61" unit="mm" value="13.0">13 mm</quantity>
|
||
wide and high at a conch diameter of
|
||
<quantity id="10159B5FFF90FF92FDF97B3BFD5F7E2D" box="[559,641,1071,1097]" metricMagnitude="-2" metricUnit="m" metricValue="2.6" pageId="60" pageNumber="61" unit="mm" value="26.0">26 mm</quantity>
|
||
and is slightly flattened on the lateral flanks and venter; a
|
||
<quantity id="10159B5FFF90FF92FAC97B3BFAA67E2D" box="[1311,1400,1071,1097]" metricMagnitude="-4" metricUnit="m" metricValue="3.0" pageId="60" pageNumber="61" unit="mm" value="0.3">0.3 mm</quantity>
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||
deep imprint zone is present at the dorsum.
|
||
</paragraph>
|
||
<paragraph id="D75236BAFF90FF92FF6B7B87FE1B7E90" blockId="60.[189,1398,1171,1268]" pageId="60" pageNumber="61">The conch is strongly annulated with ribs than run obliquely transverse across the flanks and forming a deep and broad ventral lobe. Prominent growth lines or striae are present, ca 8 per one millimetre, and are parallel to the ribs.</paragraph>
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<paragraph id="D75236BAFF90FF92FF6B7A0FFCE87F18" blockId="60.[188,1398,1307,1404]" pageId="60" pageNumber="61">
|
||
The siphuncular perforation has a diameter of
|
||
<quantity id="10159B5FFF90FF92FD007A0FFCF17F52" box="[726,815,1307,1334]" metricMagnitude="-3" metricUnit="m" metricValue="1.4" pageId="60" pageNumber="61" unit="mm" value="1.4">1.4 mm</quantity>
|
||
and is positioned at a distance of
|
||
<quantity id="10159B5FFF90FF92FB627A0FFAD37F52" box="[1204,1293,1307,1334]" metricMagnitude="-3" metricUnit="m" metricValue="1.3" pageId="60" pageNumber="61" unit="mm" value="1.3">1.3 mm</quantity>
|
||
from the venter (rSP = 0.1). The septal spacing is relatively narrow; where the conch is
|
||
<quantity id="10159B5FFF90FF92FBB07A2BFB647F3D" box="[1126,1210,1343,1369]" metricMagnitude="-2" metricUnit="m" metricValue="2.2" pageId="60" pageNumber="61" unit="mm" value="22.0">22 mm</quantity>
|
||
in diameter the sutures have a distance of
|
||
<quantity id="10159B5FFF90FF92FE257A76FDE97F18" box="[499,567,1378,1404]" metricMagnitude="-3" metricUnit="m" metricValue="2.0" pageId="60" pageNumber="61" unit="mm" value="2.0">2 mm</quantity>
|
||
apart over the venter.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="9FF76531FF90FF92FF6B7AB7FB797DB7" pageId="60" pageNumber="61" type="discussion">
|
||
<paragraph id="D75236BAFF90FF92FF6B7AB7FEF17FD9" blockId="60.[189,303,1443,1469]" box="[189,303,1443,1469]" pageId="60" pageNumber="61">
|
||
<heading id="8C1A81D6FF90FF92FF6B7AB7FEF17FD9" bold="true" box="[189,303,1443,1469]" fontSize="11" level="3" pageId="60" pageNumber="61" reason="3">
|
||
<emphasis id="E599EAA8FF90FF92FF6B7AB7FEF17FD9" bold="true" box="[189,303,1443,1469]" pageId="60" pageNumber="61">Remarks</emphasis>
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="D75236BAFF90FF92FF6B7AC6FD8A7D4C" blockId="60.[188,1400,1490,1832]" pageId="60" pageNumber="61">
|
||
This specimen is assigned to
|
||
<taxonomicName id="10ED4D39FF90FF92FDC27AC6FD3E7F88" authorityName="Ulrich, Foerste, Miller & Furnish" authorityYear="1942" box="[532,736,1490,1516]" class="Cephalopoda" family="Tarphyceratidae" genus="Cycloplectoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tetrabranchia" pageId="60" pageNumber="61" phylum="Mollusca" rank="genus">
|
||
<emphasis id="E599EAA8FF90FF92FDC27AC6FD3E7F88" box="[532,736,1490,1516]" italics="true" pageId="60" pageNumber="61">Cycloplectoceras</emphasis>
|
||
</taxonomicName>
|
||
because it is a ribbed tarphycerid with rapidly enlarging whorls, both in whorl height and in whorl width. The conch cross section is nearly circular, similar as in known species of
|
||
<taxonomicName id="10ED4D39FF90FF92FE64790CFDA37C56" authorityName="Ulrich, Foerste, Miller & Furnish" authorityYear="1942" box="[434,637,1560,1586]" class="Cephalopoda" family="Tarphyceratidae" genus="Cycloplectoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tetrabranchia" pageId="60" pageNumber="61" phylum="Mollusca" rank="genus">
|
||
<emphasis id="E599EAA8FF90FF92FE64790CFDA37C56" box="[434,637,1560,1586]" italics="true" pageId="60" pageNumber="61">Cycloplectoceras</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
<taxonomicName id="10ED4D39FF90FF92FD5A790DFC2D7C56" authority="Ulrich et al., 1942" authorityName="Ulrich" authorityYear="1942" box="[652,1011,1560,1587]" class="Cephalopoda" family="Tulitidae" genus="Pionoceras" higherTaxonomySource="CoL" kingdom="Animalia" order="Tetrabranchia" pageId="60" pageNumber="61" phylum="Mollusca" rank="genus">
|
||
<emphasis id="E599EAA8FF90FF92FD5A790DFCCC7C56" box="[652,786,1561,1586]" italics="true" pageId="60" pageNumber="61">Pionoceras</emphasis>
|
||
<bibRefCitation id="B37C4B4BFF90FF92FCCC790CFC2D7C56" author="Ulrich E. O. & Foerste A. F. & Miller A. K. & Furnish W. M." box="[794,1011,1560,1587]" pageId="60" pageNumber="61" pagination="1 - 157" refId="ref50378" refString="Ulrich E. O., Foerste A. F., Miller A. K. & Furnish W. M. 1942. Ozarkian and Canadian cephalopods: Part I: Nautilicones. Geological Society of America Special Papers 37: 1 - 157. https: // doi. org / 10.1130 / SPE 37 - p 1" type="journal article" year="1942">
|
||
Ulrich
|
||
<emphasis id="E599EAA8FF90FF92FCB8790DFC777C56" box="[878,937,1560,1586]" italics="true" pageId="60" pageNumber="61">et al.</emphasis>
|
||
, 1942
|
||
</bibRefCitation>
|
||
</taxonomicName>
|
||
is another annulated tarphycerid with high WER and rapid growth of the whorl width.
|
||
<taxonomicName id="10ED4D39FF90FF92FC917928FC157C31" box="[839,971,1596,1621]" class="Cephalopoda" family="Tulitidae" genus="Pionoceras" higherTaxonomySource="CoL" kingdom="Animalia" order="Tetrabranchia" pageId="60" pageNumber="61" phylum="Mollusca" rank="genus">
|
||
<emphasis id="E599EAA8FF90FF92FC917928FC157C31" box="[839,971,1596,1621]" italics="true" pageId="60" pageNumber="61">Pionoceras</emphasis>
|
||
</taxonomicName>
|
||
, however, differs in having broadly subtrapezoidal whorl cross sections and a very broad venter. The fragment described above is, however, relatively small, and ontogenetic growth changes are frequent among tarphycerid species, and especially among species of
|
||
<taxonomicName id="10ED4D39FF90FF92FE5A79B2FDCC7CDB" box="[396,530,1702,1727]" class="Cephalopoda" family="Tulitidae" genus="Pionoceras" higherTaxonomySource="CoL" kingdom="Animalia" order="Tetrabranchia" pageId="60" pageNumber="61" phylum="Mollusca" rank="genus">
|
||
<emphasis id="E599EAA8FF90FF92FE5A79B2FDCC7CDB" box="[396,530,1702,1727]" italics="true" pageId="60" pageNumber="61">Pionoceras</emphasis>
|
||
</taxonomicName>
|
||
. It is therefore possible that this specimen represents a fragment of a larger individual, which if fully preserved would exhibit an adult morphology with an aspect of
|
||
<taxonomicName id="10ED4D39FF90FF92FB3D79DDFAB17C86" box="[1259,1391,1737,1762]" class="Cephalopoda" family="Tulitidae" genus="Pionoceras" higherTaxonomySource="CoL" kingdom="Animalia" order="Tetrabranchia" pageId="60" pageNumber="61" phylum="Mollusca" rank="genus">
|
||
<emphasis id="E599EAA8FF90FF92FB3D79DDFAB17C86" box="[1259,1391,1737,1762]" italics="true" pageId="60" pageNumber="61">Pionoceras</emphasis>
|
||
</taxonomicName>
|
||
. More material is required to fully document the ontogeny, and consequently to further support the generic assignment of this species.
|
||
</paragraph>
|
||
<paragraph id="D75236BAFF90FF92FF6B7844FB797DB7" blockId="60.[188,1399,1872,2004]" pageId="60" pageNumber="61">
|
||
<taxonomicName id="10ED4D39FF90FF92FF6B7844FDCE7D0E" authority="Kröger & Pohle, 2021" authorityName="Kröger & Pohle" authorityYear="2021" box="[189,528,1872,1898]" class="Cephalopoda" family="Tarphyceratidae" genus="Cycloplectoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tetrabranchia" pageId="60" pageNumber="61" phylum="Mollusca" rank="species" species="hinlopense" status="sp. nov.">
|
||
<emphasis id="E599EAA8FF90FF92FF6B7844FDCE7D0E" box="[189,528,1872,1898]" italics="true" pageId="60" pageNumber="61">Cycloplectoceras hinlopense</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="FEAA57D3FF90FF92FDCE7844FDAD7D0E" box="[536,627,1872,1898]" pageId="60" pageNumber="61" rank="species">sp. nov.</taxonomicNameLabel>
|
||
differs from
|
||
<taxonomicName id="10ED4D39FF90FF92FCC67844FA867D0E" authority="Ulrich, Foerste, Miller & Furnish, 1942" authorityName="Ulrich, Foerste, Miller & Furnish" authorityYear="1942" box="[784,1368,1872,1898]" class="Cephalopoda" family="Tarphyceratidae" genus="Cycloplectoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tetrabranchia" pageId="60" pageNumber="61" phylum="Mollusca" rank="species" species="miseri">
|
||
<emphasis id="E599EAA8FF90FF92FCC67844FCFD7D0E" box="[784,803,1872,1898]" italics="true" pageId="60" pageNumber="61">C</emphasis>
|
||
.
|
||
<emphasis id="E599EAA8FF90FF92FCE57845FCA27D0E" box="[819,892,1873,1898]" italics="true" pageId="60" pageNumber="61">miseri</emphasis>
|
||
<bibRefCitation id="B37C4B4BFF90FF92FC527844FA867D0E" author="Ulrich E. O. & Foerste A. F. & Miller A. K. & Furnish W. M." box="[900,1368,1872,1898]" pageId="60" pageNumber="61" pagination="1 - 157" refId="ref50378" refString="Ulrich E. O., Foerste A. F., Miller A. K. & Furnish W. M. 1942. Ozarkian and Canadian cephalopods: Part I: Nautilicones. Geological Society of America Special Papers 37: 1 - 157. https: // doi. org / 10.1130 / SPE 37 - p 1" type="journal article" year="1942">
|
||
Ulrich, Foerste, Miller & Furnish,
|
||
<quantity id="10159B5FFF90FF92FACB7844FA867D0E" box="[1309,1368,1872,1898]" metricMagnitude="1" metricUnit="m" metricValue="4.93268" pageId="60" pageNumber="61" unit="in" value="1942.0">1942</quantity>
|
||
</bibRefCitation>
|
||
</taxonomicName>
|
||
in being larger (the adult size of
|
||
<taxonomicName id="10ED4D39FF90FF92FDF67867FD557DE9" authorityName="Ulrich, Foerste, Miller & Furnish" authorityYear="1942" box="[544,651,1907,1934]" class="Cephalopoda" family="Tarphyceratidae" genus="Cycloplectoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tetrabranchia" pageId="60" pageNumber="61" phylum="Mollusca" rank="species" species="miseri">
|
||
<emphasis id="E599EAA8FF90FF92FDF67867FDED7DE9" box="[544,563,1907,1933]" italics="true" pageId="60" pageNumber="61">C</emphasis>
|
||
.
|
||
<emphasis id="E599EAA8FF90FF92FD947860FD557DE9" box="[578,651,1908,1933]" italics="true" pageId="60" pageNumber="61">miseri</emphasis>
|
||
</taxonomicName>
|
||
is only
|
||
<quantity id="10159B5FFF90FF92FD3C7867FC9C7DEA" box="[746,834,1907,1934]" metricMagnitude="-2" metricUnit="m" metricValue="2.0" pageId="60" pageNumber="61" unit="mm" value="20.0">20 mm</quantity>
|
||
). The other known species of
|
||
<taxonomicName id="10ED4D39FF90FF92FB727867FAB17DE9" authorityName="Ulrich, Foerste, Miller & Furnish" authorityYear="1942" box="[1188,1391,1907,1933]" class="Cephalopoda" family="Tarphyceratidae" genus="Cycloplectoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tetrabranchia" pageId="60" pageNumber="61" phylum="Mollusca" rank="genus">
|
||
<emphasis id="E599EAA8FF90FF92FB727867FAB17DE9" box="[1188,1391,1907,1933]" italics="true" pageId="60" pageNumber="61">Cycloplectoceras</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="10ED4D39FF90FF92FF6B7883FCCE7DD4" authority="Ulrich, Foerste, Miller & Furnish, 1942" authorityName="Ulrich, Foerste, Miller & Furnish" authorityYear="1942" box="[189,784,1942,1969]" class="Cephalopoda" family="Tarphyceratidae" genus="Cycloplectoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tetrabranchia" pageId="60" pageNumber="61" phylum="Mollusca" rank="species" species="funatum">
|
||
<emphasis id="E599EAA8FF90FF92FF6B7883FF0F7DD5" box="[189,209,1943,1969]" italics="true" pageId="60" pageNumber="61">C</emphasis>
|
||
.
|
||
<emphasis id="E599EAA8FF90FF92FF087882FEE07DD4" box="[222,318,1942,1968]" italics="true" pageId="60" pageNumber="61">funatum</emphasis>
|
||
<bibRefCitation id="B37C4B4BFF90FF92FE927882FCCE7DD4" author="Ulrich E. O. & Foerste A. F. & Miller A. K. & Furnish W. M." box="[324,784,1942,1969]" pageId="60" pageNumber="61" pagination="1 - 157" refId="ref50378" refString="Ulrich E. O., Foerste A. F., Miller A. K. & Furnish W. M. 1942. Ozarkian and Canadian cephalopods: Part I: Nautilicones. Geological Society of America Special Papers 37: 1 - 157. https: // doi. org / 10.1130 / SPE 37 - p 1" type="journal article" year="1942">Ulrich, Foerste, Miller & Furnish, 1942</bibRefCitation>
|
||
</taxonomicName>
|
||
, has a smaller rate of increase in relative conch width (LER = ca 1.2, compare
|
||
<bibRefCitation id="B37C4B4BFF90FF92FE0B78ADFD6C7DB0" author="Ulrich E. O. & Foerste A. F. & Miller A. K. & Furnish W. M." box="[477,690,1977,2004]" pageId="60" pageNumber="61" pagination="1 - 157" refId="ref50378" refString="Ulrich E. O., Foerste A. F., Miller A. K. & Furnish W. M. 1942. Ozarkian and Canadian cephalopods: Part I: Nautilicones. Geological Society of America Special Papers 37: 1 - 157. https: // doi. org / 10.1130 / SPE 37 - p 1" type="journal article" year="1942">
|
||
Ulrich
|
||
<emphasis id="E599EAA8FF90FF92FDE778AEFDB57DB7" box="[561,619,1977,2003]" italics="true" pageId="60" pageNumber="61">et al.</emphasis>
|
||
1942
|
||
</bibRefCitation>
|
||
: pl. 6 fig. 7) and is less strongly annulated.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |