120 lines
13 KiB
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120 lines
13 KiB
XML
<document id="8C88BCF58D4F852D2A9B2A09F4B285B0" 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="5F4487ACFF9DFF9FFDCB7A6CFBB27C9D" 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="Troedssonellidae Kobayashi 1935" docType="treatment" docVersion="7" lastPageNumber="50" masterDocId="A37DFFD4FFACFFAEFFD67F14FFDE7A64" masterDocTitle="Early-Middle Ordovician cephalopods from Ny Friesland, Spitsbergen - a pelagic fauna with Laurentian affinities" masterLastPageNumber="102" masterPageNumber="1" pageNumber="50" updateTime="1699472839061" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0" zenodo-license-figures="CC-BY-4.0" zenodo-license-treatments="UNSPECIFIED">
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<mods:mods id="ACDF7B32FAFAF44FF81A3ABA24097869" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="5560E711EF1A458F147C65D338924CFE">
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<mods:title id="CEA4CB90873EF39FAFEC6B9960302E2B">Early-Middle Ordovician cephalopods from Ny Friesland, Spitsbergen - a pelagic fauna with Laurentian affinities</mods:title>
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<mods:name id="0B28AD36D11B3F38ED90E20B6B949F89" type="personal">
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<mods:namePart id="363E5CE8EA13733EC05F7643333ECA25">Kröger, Björn</mods:namePart>
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<mods:affiliation id="84B6A639179E2858705017A7AF368E9C">Finnish Museum of Natural History, University of Helsinki, PO Box 44, FI- 00014 Helsinki, Finland.</mods:affiliation>
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<mods:nameIdentifier id="D754267D4A09CC434881BE041B483698" type="email">bjorn.kroger@helsinki.fi</mods:nameIdentifier>
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<mods:namePart id="88D8784CBAC9AF86D3E34716E01FB044">Pohle, Alexander</mods:namePart>
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<mods:affiliation id="E00EC9F70E74B0EA35B1A7B7AE59F94C">Paläontologisches Institut und Museum, University of Zurich, Zurich, Switzerland.</mods:affiliation>
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<mods:nameIdentifier id="BA38C80354CBDD03B03A327919F8369E" type="email">alexander.pohle@pim.uzh.ch</mods:nameIdentifier>
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<mods:title id="07982094E9546970A97E074577D510E9">European Journal of Taxonomy</mods:title>
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<mods:part id="4DDD04C43D3C42341198459FD2FE8C74">
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<mods:date id="4EC3C499C884FBC7C4D5D691C6F99DD9">2021</mods:date>
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<mods:number id="241973924E53403A4A2FF50EE8FCC912">2021-12-20</mods:number>
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<mods:number id="309A73BB503CF618D0B71E3E05D2B2B4">783</mods:number>
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<mods:url id="261082645B7C9FBEBED87B6DD74DA41B">http://dx.doi.org/10.5852/ejt.2021.783.1601</mods:url>
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<mods:identifier id="6DFCA1ABA1C32CDB4C1AF6109A541C60" type="CLB-Dataset">2884</mods:identifier>
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<mods:identifier id="C4590056E7C11B8D547D173D957E8F09" type="DOI">10.5852/ejt.2021.783.1601</mods:identifier>
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<treatment id="5F4487ACFF9DFF9FFDCB7A6CFBB27C9D" ID-DOI="http://doi.org/10.5281/zenodo.5794311" ID-GBIF-Taxon="191693604" ID-Zenodo-Dep="5794311" LSID="urn:lsid:plazi:treatment:5F4487ACFF9DFF9FFDCB7A6CFBB27C9D" httpUri="http://treatment.plazi.org/id/5F4487ACFF9DFF9FFDCB7A6CFBB27C9D" lastPageNumber="50" pageId="49" pageNumber="50">
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<subSubSection id="9FF76531FF9DFF9FFDCB7A6CFBC97FF7" box="[541,1047,1400,1427]" pageId="49" pageNumber="50" type="nomenclature">
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<paragraph id="D75236BAFF9DFF9FFDCB7A6CFBC97FF7" blockId="49.[541,1047,1400,1427]" box="[541,1047,1400,1427]" pageId="49" pageNumber="50">
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Family
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<taxonomicName id="10ED4D39FF9DFF9FFDA17A6CFBC97FF7" authority="Kobayashi, 1935" authorityName="Kobayashi" authorityYear="1935" box="[631,1047,1400,1427]" class="Cephalopoda" family="Troedssonellidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Orthocerida" pageId="49" pageNumber="50" phylum="Mollusca" rank="family">
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<emphasis id="E599EAA8FF9DFF9FFDA17A6CFC967FF6" bold="true" box="[631,840,1400,1426]" pageId="49" pageNumber="50">Troedssonellidae</emphasis>
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Kobayashi, 1935
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</taxonomicName>
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</paragraph>
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</subSubSection>
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<subSubSection id="9FF76531FF9DFF9FFF6B7AAEFBB27C9D" pageId="49" pageNumber="50" type="discussion">
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<paragraph id="D75236BAFF9DFF9FFF6B7AAEFEF17FB0" blockId="49.[189,303,1466,1492]" box="[189,303,1466,1492]" pageId="49" pageNumber="50">
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<heading id="8C1A81D6FF9DFF9FFF6B7AAEFEF17FB0" bold="true" box="[189,303,1466,1492]" fontSize="11" level="3" pageId="49" pageNumber="50" reason="3">
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<emphasis id="E599EAA8FF9DFF9FFF6B7AAEFEF17FB0" bold="true" box="[189,303,1466,1492]" pageId="49" pageNumber="50">Remarks</emphasis>
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</heading>
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</paragraph>
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<paragraph id="D75236BAFF9DFF9FFF6B7AFDFBB27C9D" blockId="49.[188,1399,1512,1785]" pageId="49" pageNumber="50">
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In the cladistic analyses (see below),
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<taxonomicName id="10ED4D39FF9DFF9FFDBB7AFCFC007C67" authority="Kobayashi, 1935" authorityName="Kobayashi" authorityYear="1935" box="[621,990,1512,1539]" class="Cephalopoda" family="Troedssonellidae" genus="Troedssonella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Orthocerida" pageId="49" pageNumber="50" phylum="Mollusca" rank="genus">
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<emphasis id="E599EAA8FF9DFF9FFDBB7AFCFCCF7C66" box="[621,785,1512,1538]" italics="true" pageId="49" pageNumber="50">Troedssonella</emphasis>
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Kobayashi, 1935
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</taxonomicName>
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was not recovered within the same clade as other typical troedssonellids such as
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<taxonomicName id="10ED4D39FF9DFF9FFD047919FBA97C42" authority="Ulrich & Foerste, 1933" authorityName="Ulrich & Foerste" authorityYear="1933" box="[722,1143,1548,1574]" class="Cephalopoda" family="Troedssonellidae" genus="Buttsoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Orthocerida" pageId="49" pageNumber="50" phylum="Mollusca" rank="genus">
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<emphasis id="E599EAA8FF9DFF9FFD047919FC837C42" box="[722,861,1549,1574]" italics="true" pageId="49" pageNumber="50">Buttsoceras</emphasis>
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Ulrich & Foerste, 1933
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</taxonomicName>
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,
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<taxonomicName id="10ED4D39FF9DFF9FFB527919FE827C2D" authority="Hook & Flower, 1977" authorityName="Hook & Flower" authorityYear="1977" class="Cephalopoda" family="Troedssonellidae" genus="Tajaroceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Orthocerida" pageId="49" pageNumber="50" phylum="Mollusca" rank="genus">
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<emphasis id="E599EAA8FF9DFF9FFB527919FACE7C42" box="[1156,1296,1549,1574]" italics="true" pageId="49" pageNumber="50">Tajaroceras</emphasis>
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<bibRefCitation id="B37C4B4BFF9DFF9FFAC17918FE827C2D" author="Hook S. C. & Flower R. H." pageId="49" pageNumber="50" pagination="1 - 102" refId="ref47824" refString="Hook S. C. & Flower R. H. 1977. Late Canadian (Zones J, K) cephalopod faunas from southwestern United States. New Mexico Bureau of Mines and Mineral Resources, Memoir 32: 1 - 102." type="journal article" year="1977">Hook & Flower, 1977</bibRefCitation>
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</taxonomicName>
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and
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<taxonomicName id="10ED4D39FF9DFF9FFE4C793BFD2E7C2E" authority="Evans, 2005" authorityName="Evans" authorityYear="2005" box="[410,752,1583,1610]" class="Cephalopoda" family="Troedssonellidae" genus="Moridunoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Orthocerida" pageId="49" pageNumber="50" phylum="Mollusca" rank="genus">
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<emphasis id="E599EAA8FF9DFF9FFE4C793BFD917C2D" box="[410,591,1583,1609]" italics="true" pageId="49" pageNumber="50">Moridunoceras</emphasis>
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<bibRefCitation id="B37C4B4BFF9DFF9FFD8F793BFD2E7C2E" author="Evans D. H." box="[601,752,1583,1610]" pageId="49" pageNumber="50" pagination="1 - 81" refId="ref46068" refString="Evans D. H. 2005. The Lower and Middle Ordovician cephalopod faunas of England and Wales. Monograph of the Palaeontographical Society 628: 1 - 81." type="journal article" year="2005">Evans, 2005</bibRefCitation>
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</taxonomicName>
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. Therefore, the
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<taxonomicName id="10ED4D39FF9DFF9FFC66793BFBA97C2D" authorityName="Kobayashi" authorityYear="1935" box="[944,1143,1583,1609]" class="Cephalopoda" family="Troedssonellidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Orthocerida" pageId="49" pageNumber="50" phylum="Mollusca" rank="family">Troedssonellidae</taxonomicName>
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may be polyphyletic and
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<taxonomicName id="10ED4D39FF9DFF9FFF277946FE4B7C08" authorityName="Kobayashi" authorityYear="1935" box="[241,405,1618,1644]" class="Cephalopoda" family="Troedssonellidae" genus="Troedssonella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Orthocerida" pageId="49" pageNumber="50" phylum="Mollusca" rank="genus">
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<emphasis id="E599EAA8FF9DFF9FFF277946FE4B7C08" box="[241,405,1618,1644]" italics="true" pageId="49" pageNumber="50">Troedssonella</emphasis>
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</taxonomicName>
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is perhaps more closely related to the
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<taxonomicName id="10ED4D39FF9DFF9FFCBA7946FBC47C08" authorityName="McCoy" authorityYear="1844" box="[876,1050,1618,1644]" class="Cephalopoda" family="Orthoceratidae" kingdom="Animalia" order="Orthocerida" pageId="49" pageNumber="50" phylum="Mollusca" rank="family">Orthoceratidae</taxonomicName>
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instead. Since
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<taxonomicName id="10ED4D39FF9DFF9FFB057946FAA97C08" authorityName="Kobayashi" authorityYear="1935" box="[1235,1399,1618,1644]" class="Cephalopoda" family="Troedssonellidae" genus="Troedssonella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Orthocerida" pageId="49" pageNumber="50" phylum="Mollusca" rank="genus">
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<emphasis id="E599EAA8FF9DFF9FFB057946FAA97C08" box="[1235,1399,1618,1644]" italics="true" pageId="49" pageNumber="50">Troedssonella</emphasis>
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</taxonomicName>
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is the
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<typeStatus id="08568818FF9DFF9FFED17962FEE47CF4" box="[263,314,1654,1680]" pageId="49" pageNumber="50">type</typeStatus>
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genus of the family, this would require an emendation of the family and a new family for
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<taxonomicName id="10ED4D39FF9DFF9FFF69798DFE947CD6" authorityName="Ulrich & Foerste" authorityYear="1933" box="[191,330,1689,1714]" class="Cephalopoda" family="Troedssonellidae" genus="Buttsoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Orthocerida" pageId="49" pageNumber="50" phylum="Mollusca" rank="genus">
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<emphasis id="E599EAA8FF9DFF9FFF69798DFE947CD6" box="[191,330,1689,1714]" italics="true" pageId="49" pageNumber="50">Buttsoceras</emphasis>
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</taxonomicName>
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and allied genera. However, because of the unclear relationships between many Floian dissidocerids, including the
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<taxonomicName id="10ED4D39FF9DFF9FFDD479A8FD117CB2" authorityName="Evans" authorityYear="2005" box="[514,719,1724,1750]" class="Cephalopoda" family="Rangeroceratidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Dissidocerida" pageId="49" pageNumber="50" phylum="Mollusca" rank="family">Rangeroceratidae</taxonomicName>
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and the
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<taxonomicName id="10ED4D39FF9DFF9FFCF979A8FC187CB2" authorityName="Evans" authorityYear="2005" box="[815,966,1724,1750]" class="Cephalopoda" family="Polymeridae" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="49" pageNumber="50" phylum="Mollusca" rank="family">Polymeridae</taxonomicName>
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, we refrain from establishing another family here, but point out the necessity for further studies on these relationships.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |