134 lines
14 KiB
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134 lines
14 KiB
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<document id="99F15B391D943861B02C175B658D01E1" 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="5F4487ACFF9FFF9AFD9E7CB6FEA17BBA" 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="Protocycloceras Hyatt 1900" docType="treatment" docVersion="9" lastPageNumber="53" masterDocId="A37DFFD4FFACFFAEFFD67F14FFDE7A64" masterDocTitle="Early-Middle Ordovician cephalopods from Ny Friesland, Spitsbergen - a pelagic fauna with Laurentian affinities" masterLastPageNumber="102" masterPageNumber="1" pageNumber="52" 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:title id="C4C481A1842CDBEB103C01DDF5A39807">Early-Middle Ordovician cephalopods from Ny Friesland, Spitsbergen - a pelagic fauna with Laurentian affinities</mods:title>
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<mods:namePart id="2BC009EB00DF52D5D5820B8AF716714F">Kröger, Björn</mods:namePart>
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<mods:affiliation id="0C8CAA0AAEEB27BF301B3313244380F7">Finnish Museum of Natural History, University of Helsinki, PO Box 44, FI- 00014 Helsinki, Finland.</mods:affiliation>
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<mods:nameIdentifier id="EF68AC4DA1516A33DBCC753B17E65E21" type="email">bjorn.kroger@helsinki.fi</mods:nameIdentifier>
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<mods:namePart id="EA796938AA8F379616F7ACD0CBBDFA17">Pohle, Alexander</mods:namePart>
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<mods:affiliation id="7607A60DE10C8B26C4841115934E2212">Paläontologisches Institut und Museum, University of Zurich, Zurich, Switzerland.</mods:affiliation>
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<mods:nameIdentifier id="06E45FA44C664228B0C4D500B5C8ED85" type="email">alexander.pohle@pim.uzh.ch</mods:nameIdentifier>
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<mods:title id="41E920829D21F1ED645E6096495DE5D2">European Journal of Taxonomy</mods:title>
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<mods:part id="2DC6D1AFC9FEE761251A64E6AD772105">
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<mods:date id="CBD5C9504356F02AB19A715B198DED9A">2021</mods:date>
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<treatment id="5F4487ACFF9FFF9AFD9E7CB6FEA17BBA" ID-DOI="http://doi.org/10.5281/zenodo.5793548" ID-GBIF-Taxon="191693650" ID-Zenodo-Dep="5793548" LSID="urn:lsid:plazi:treatment:5F4487ACFF9FFF9AFD9E7CB6FEA17BBA" httpUri="http://treatment.plazi.org/id/5F4487ACFF9FFF9AFD9E7CB6FEA17BBA" lastPageId="52" lastPageNumber="53" pageId="51" pageNumber="52">
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<subSubSection id="9FF76531FF9FFF9DFD9E7CB6FC3279D8" box="[584,1004,930,957]" pageId="51" pageNumber="52" type="nomenclature">
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<paragraph id="D75236BAFF9FFF9DFD9E7CB6FC3279D8" blockId="51.[584,1004,930,957]" box="[584,1004,930,957]" pageId="51" pageNumber="52">
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<heading id="8C1A81D6FF9FFF9DFD9E7CB6FC3279D8" box="[584,1004,930,957]" centered="true" fontSize="11" level="2" pageId="51" pageNumber="52" reason="2">
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Genus
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<taxonomicName id="10ED4D39FF9FFF9DFD4C7CB6FC3279D8" authority="Hyatt, 1900" authorityName="Hyatt" authorityYear="1900" box="[666,1004,930,957]" class="Cephalopoda" family="Protocycloceratidae" genus="Protocycloceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tetrabranchia" pageId="51" pageNumber="52" phylum="Mollusca" rank="genus">
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<emphasis id="E599EAA8FF9FFF9DFD4C7CB6FC8479D9" bold="true" box="[666,858,930,957]" italics="true" pageId="51" pageNumber="52">Protocycloceras</emphasis>
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Hyatt, 1900
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</taxonomicName>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="9FF76531FF9FFF9DFF6B7CF0FBAB7E2B" pageId="51" pageNumber="52" type="type_taxon">
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<paragraph id="D75236BAFF9FFF9DFF6B7CF0FE867999" blockId="51.[189,344,995,1022]" box="[189,344,995,1022]" pageId="51" pageNumber="52">
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<heading id="8C1A81D6FF9FFF9DFF6B7CF0FE867999" bold="true" box="[189,344,995,1022]" fontSize="11" level="3" pageId="51" pageNumber="52" reason="3">
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<emphasis id="E599EAA8FF9FFF9DFF6B7CF0FE867999" bold="true" box="[189,344,995,1022]" pageId="51" pageNumber="52">
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<typeStatus id="08568818FF9FFF9DFF6B7CF0FF24799A" box="[189,250,996,1022]" pageId="51" pageNumber="52">Type</typeStatus>
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species
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</emphasis>
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</heading>
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</paragraph>
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<paragraph id="D75236BAFF9FFF9DFF6B7B06FBAB7E2B" blockId="51.[189,1398,1042,1103]" pageId="51" pageNumber="52">
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<taxonomicName id="10ED4D39FF9FFF9DFF6B7B06FDAD7E49" authority="Billings, 1859" authorityName="Billings" authorityYear="1859" box="[189,627,1042,1069]" class="Liliopsida" family="Orchidaceae" genus="Orthoceras" kingdom="Plantae" order="Asparagales" pageId="51" pageNumber="52" phylum="Tracheophyta" rank="species" species="lamarcki">
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<emphasis id="E599EAA8FF9FFF9DFF6B7B06FE697E48" box="[189,439,1042,1068]" italics="true" pageId="51" pageNumber="52">Orthoceras lamarcki</emphasis>
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<bibRefCitation id="B37C4B4BFF9FFF9DFE127B06FDAD7E49" author="Billings E." box="[452,627,1042,1069]" pageId="51" pageNumber="52" pagination="345 - 367" refId="ref45339" refString="Billings E. 1859. Fossils of the calciferous sandrock, including those of a deposit of White Limestone at Mingan, supposed to belong to the formation. Canadian Naturalist and Geologist, Proceedings of the Society of Natural History Montreal 4: 345 - 367." type="journal article" year="1859">Billings, 1859</bibRefCitation>
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</taxonomicName>
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, from the Fort Cassin Formation (Floian Stage), Township of Godmanchester, Huntingdon County, southwest
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<collectingRegion id="1529F858FF9FFF9DFD207B21FC8D7E2B" box="[758,851,1077,1103]" country="Canada" name="Quebec" pageId="51" pageNumber="52">Quebec</collectingRegion>
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; by original designation.
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</paragraph>
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</subSubSection>
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<subSubSection id="9FF76531FF9FFF9DFF6B7B63FBA77F0B" pageId="51" pageNumber="52" type="diagnosis">
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<paragraph id="D75236BAFF9FFF9DFF6B7B63FEE87EF5" blockId="51.[189,310,1143,1169]" box="[189,310,1143,1169]" pageId="51" pageNumber="52">
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<heading id="8C1A81D6FF9FFF9DFF6B7B63FEE87EF5" bold="true" box="[189,310,1143,1169]" fontSize="11" level="3" pageId="51" pageNumber="52" reason="3">
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<emphasis id="E599EAA8FF9FFF9DFF6B7B63FEE87EF5" bold="true" box="[189,310,1143,1169]" pageId="51" pageNumber="52">Diagnosis</emphasis>
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</heading>
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</paragraph>
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<paragraph id="D75236BAFF9FFF9DFF6B7BB1FBA77F0B" blockId="51.[189,1400,1189,1392]" pageId="51" pageNumber="52">
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Nearly straight, annulated longicones with circular or subcircular cross section and straight sutures; camerae narrow, about 6–7 over a length similar to conch cross section; siphuncle located between center and ventral conch margin; siphuncular segments concave; septal necks short, loxochoanitic to orthochoanitic; connecting ring comparatively thick; siphuncular deposits wedge out adorally at steep angle to ventral side; diaphragms in apical portions of siphuncle; epi-and hyposeptal cameral deposits more strongly developed on ventral side (adopted from
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<bibRefCitation id="B37C4B4BFF9FFF9DFC9A7A42FBB37F0B" author="Kroger B. & Landing E." box="[844,1133,1365,1392]" pageId="51" pageNumber="52" pagination="664 - 693" refId="ref48326" refString="Kroger B. & Landing E. 2009. Cephalopods and paleoenvironments of the Fort Cassin Formation (Upper Lower Ordovician), eastern New York and adjacent Vermont. Journal of Paleontology 83: 664 - 693. https: // doi. org / 10.1666 / 08 - 181.1" type="journal article" year="2009">Kröger & Landing 2009</bibRefCitation>
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).
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</paragraph>
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||
</subSubSection>
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||
<caption id="83926632FF9FFF9DFF6B7894FBB57D85" ID-DOI="http://doi.org/10.5281/zenodo.5793526" ID-Zenodo-Dep="5793526" httpUri="https://zenodo.org/record/5793526/files/figure.png" pageId="51" pageNumber="52" startId="51.[189,232,1920,1946]" targetBox="[206,1395,1569,1878]" targetPageId="51">
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<paragraph id="D75236BAFF9FFF9DFF6B7894FBB57D85" blockId="51.[188,1398,1920,2017]" pageId="51" pageNumber="52">
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<emphasis id="E599EAA8FF9FFF9DFF6B7894FEC47DFE" bold="true" box="[189,282,1920,1946]" pageId="51" pageNumber="52">Fig. 34.</emphasis>
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Diagrams of relative conch width, relative chamber length, and relative siphuncular diameter of
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<taxonomicName id="10ED4D39FF9FFF9DFF6A78B0FDCB7DD9" authority="Kröger & Pohle, 2021" authorityName="Kröger & Pohle" authorityYear="2021" box="[188,533,1955,1981]" class="Cephalopoda" family="Troedssonellidae" genus="Buttsoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Orthocerida" pageId="51" pageNumber="52" phylum="Mollusca" rank="species" species="buldrebreenensis" status="sp. nov.">
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<emphasis id="E599EAA8FF9FFF9DFF6A78B0FDCB7DD9" box="[188,533,1955,1981]" italics="true" pageId="51" pageNumber="52">Buttsoceras buldrebreenensis</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="FEAA57D3FF9FFF9DFDCB78B0FDA47DDA" box="[541,634,1956,1982]" pageId="51" pageNumber="52" rank="species">sp. nov.</taxonomicNameLabel>
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, from the Olenidsletta Member, Floian, Ordovician, Profilstranda section, Ny Friesland, Spitsbergen. See Supp. file 1 for details of measurements.
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</paragraph>
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</caption>
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<subSubSection id="9FF76531FF98FF9AFF6B7E1DFEA17BBA" pageId="52" pageNumber="53" type="discussion">
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<paragraph id="D75236BAFF98FF9AFF6B7E1DFEF17B47" blockId="52.[189,303,265,291]" box="[189,303,265,291]" pageId="52" pageNumber="53">
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<heading id="8C1A81D6FF98FF9AFF6B7E1DFEF17B47" bold="true" box="[189,303,265,291]" fontSize="11" level="3" pageId="52" pageNumber="53" reason="3">
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<emphasis id="E599EAA8FF98FF9AFF6B7E1DFEF17B47" bold="true" box="[189,303,265,291]" pageId="52" pageNumber="53">Remarks</emphasis>
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</heading>
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</paragraph>
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<paragraph id="D75236BAFF98FF9AFF6B7E23FEA17BBA" blockId="52.[189,1400,311,478]" pageId="52" pageNumber="53">
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The genus
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<taxonomicName id="10ED4D39FF98FF9AFE957E23FDDC7B35" authorityName="Hyatt" authorityYear="1900" box="[323,514,311,337]" class="Cephalopoda" family="Protocycloceratidae" genus="Protocycloceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tetrabranchia" pageId="52" pageNumber="53" phylum="Mollusca" rank="genus">
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<emphasis id="E599EAA8FF98FF9AFE957E23FDDC7B35" box="[323,514,311,337]" italics="true" pageId="52" pageNumber="53">Protocycloceras</emphasis>
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</taxonomicName>
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is
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<typeStatus id="08568818FF98FF9AFDFF7E2CFD827B36" box="[553,604,312,338]" pageId="52" pageNumber="53">type</typeStatus>
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genus for the
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<taxonomicName id="10ED4D39FF98FF9AFCDB7E23FB127B36" authority="Kobayashi, 1935" authorityName="Kobayashi" authorityYear="1935" box="[781,1228,311,338]" class="Cephalopoda" family="Protocycloceratidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tetrabranchia" pageId="52" pageNumber="53" phylum="Mollusca" rank="family">Protocycloceratidae Kobayashi, 1935</taxonomicName>
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. Based on the cladistic analysis (below) this family is abandoned. The genus clusters consistently with other members of the Troedsonellida, such as
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<taxonomicName id="10ED4D39FF98FF9AFDF17E6AFD6C7BF3" authorityName="Ulrich & Foerste" authorityYear="1936" box="[551,690,382,407]" class="Cephalopoda" family="Troedssonellidae" genus="Buttsoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Orthocerida" pageId="52" pageNumber="53" phylum="Mollusca" rank="genus">
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<emphasis id="E599EAA8FF98FF9AFDF17E6AFD6C7BF3" box="[551,690,382,407]" italics="true" pageId="52" pageNumber="53">Buttsoceras</emphasis>
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</taxonomicName>
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(see below). The close relationship between the two genera is also suggested by the combination of diaphragms and endosiphuncular linings, which is unknown in any other genus.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |