196 lines
19 KiB
XML
196 lines
19 KiB
XML
<document ID-DOI="http://dx.doi.org/10.5852/ejt.2013.41" ID-GBIF-Dataset="386010a0-6da4-4fa3-9d1a-4b3b5427cac5" ID-ISSN="2118-9773" ID-Zenodo-Dep="3814221" ID-ZooBank="A2F1B9ED-870A-466E-B35E-BD5DA782476E" checkinTime="1588881240389" checkinUser="carolina" docAuthor="Kröger, Björn" docDate="2013" docId="AD4D9054CD336A31F0264651FACDF9C9" docLanguage="en" docName="ejt-2013-41.pdf.imf" docOrigin="European Journal of Taxonomy 41" docStyle="DocumentStyle:EF2B578F1D15862ADE45B0C07C620911.12:EJT.2018-.journal_article" docStyleId="EF2B578F1D15862ADE45B0C07C620911" docStyleName="EJT.2018-.journal_article" docStyleVersion="12" docTitle="Redpathoceras Flower 1963" docType="treatment" docVersion="6" lastPageNumber="88" masterDocId="5174E82CCD646A66F260472AFFA5FFBD" masterDocTitle="The cephalopods of the Boda Limestone, Late Ordovician, of Dalarna, Sweden" masterLastPageNumber="110" masterPageNumber="1" pageNumber="88" updateTime="1634716833028" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-3.0" zenodo-license-figures="CC-BY-3.0" zenodo-license-treatments="UNSPECIFIED">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>The cephalopods of the Boda Limestone, Late Ordovician, of Dalarna, Sweden</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Kröger, Björn</mods:namePart>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>European Journal of Taxonomy</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2013</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2013-03-27</mods:number>
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</mods:detail>
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<mods:detail type="issue">
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<mods:number>41</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>1</mods:start>
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<mods:end>110</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.5852/ejt.2013.41</mods:identifier>
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<mods:identifier type="GBIF-Dataset">386010a0-6da4-4fa3-9d1a-4b3b5427cac5</mods:identifier>
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<mods:identifier type="ISSN">2118-9773</mods:identifier>
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<mods:identifier type="Zenodo-Dep">3814221</mods:identifier>
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<mods:identifier type="ZooBank">A2F1B9ED-870A-466E-B35E-BD5DA782476E</mods:identifier>
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</mods:mods>
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<treatment ID-DOI="http://doi.org/10.5281/zenodo.3815146" ID-GBIF-Taxon="163977210" ID-Zenodo-Dep="3815146" LSID="urn:lsid:plazi:treatment:AD4D9054CD336A31F0264651FACDF9C9" httpUri="http://treatment.plazi.org/id/AD4D9054CD336A31F0264651FACDF9C9" lastPageNumber="88" pageId="87" pageNumber="88">
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<subSubSection box="[582,1006,378,405]" pageId="87" pageNumber="88" type="nomenclature">
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<paragraph blockId="87.[582,1006,378,405]" box="[582,1006,378,405]" pageId="87" pageNumber="88">
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<heading box="[582,1006,378,405]" centered="true" fontSize="11" level="2" pageId="87" pageNumber="88" reason="2">
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Genus
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<taxonomicName authority="Flower, 1963" authorityName="Flower" authorityYear="1963" box="[664,1006,378,405]" class="Cephalopoda" family="Probillingsitidae" genus="Redpathoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ascocerida" pageId="87" pageNumber="88" phylum="Mollusca" rank="genus">
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<emphasis bold="true" box="[664,843,378,405]" italics="true" pageId="87" pageNumber="88">Redpathoceras</emphasis>
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<bibRefCitation author="Flower R. H." box="[851,1006,379,405]" pageId="87" pageNumber="88" pagination="69 - 85" refId="ref47499" refString="Flower R. H. 1963. New Ordovician Ascoceratida. Journal of Paleontology 37 (1): 69 - 85." type="journal article" year="1963">Flower, 1963</bibRefCitation>
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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 pageId="87" pageNumber="88" type="type_taxon">
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<paragraph blockId="87.[189,344,444,470]" box="[189,344,444,470]" pageId="87" pageNumber="88">
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<heading bold="true" box="[189,344,444,470]" fontSize="11" level="3" pageId="87" pageNumber="88" reason="3">
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<emphasis bold="true" box="[189,344,444,470]" pageId="87" pageNumber="88">
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<typeStatus box="[189,250,444,470]" pageId="87" pageNumber="88">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 blockId="87.[189,1398,491,552]" pageId="87" pageNumber="88">
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<taxonomicName authority="Flower, 1963" authorityName="Flower" authorityYear="1963" box="[189,605,491,517]" class="Cephalopoda" family="Probillingsitidae" genus="Redpathoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ascocerida" pageId="87" pageNumber="88" phylum="Mollusca" rank="species" species="clarki">
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<emphasis box="[189,440,491,517]" italics="true" pageId="87" pageNumber="88">Redpathoceras clarki</emphasis>
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<bibRefCitation author="Flower R. H." box="[448,605,491,517]" pageId="87" pageNumber="88" pagination="69 - 85" refId="ref47499" refString="Flower R. H. 1963. New Ordovician Ascoceratida. Journal of Paleontology 37 (1): 69 - 85." type="journal article" year="1963">Flower, 1963</bibRefCitation>
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</taxonomicName>
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, northeast of Joliette,
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<collectingRegion box="[863,956,491,517]" country="Canada" name="Quebec" pageId="87" pageNumber="88">Quebec</collectingRegion>
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,
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<collectingCountry box="[967,1059,491,517]" name="Canada" pageId="87" pageNumber="88">Canada</collectingCountry>
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; Leray Limestone, early-mid Katian, Ordovician; by original designation.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="87" pageNumber="88" type="diagnosis">
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<paragraph blockId="87.[189,310,591,617]" box="[189,310,591,617]" pageId="87" pageNumber="88">
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<heading bold="true" box="[189,310,591,617]" fontSize="11" level="3" pageId="87" pageNumber="88" reason="3">
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<emphasis bold="true" box="[189,310,591,617]" pageId="87" pageNumber="88">Diagnosis</emphasis>
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</heading>
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</paragraph>
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<paragraph blockId="87.[189,1399,638,806]" pageId="87" pageNumber="88">
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Gyrocones with circular to depressed mature conch cross section; mature body chamber inflated with greatest diameter at approximate mid-length; broad shallow hyponomic sinus; septum of truncation deeply rounded; suture of septa in mature specimen slightly oblique, sloping in adoral direction on concave side of conch curvature; siphuncle eccentric, close to conch margin at convex side of conch curvature. (Adopted from
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<bibRefCitation author="Flower R. H." box="[497,650,779,806]" pageId="87" pageNumber="88" pagination="69 - 85" refId="ref47499" refString="Flower R. H. 1963. New Ordovician Ascoceratida. Journal of Paleontology 37 (1): 69 - 85." type="journal article" year="1963">Flower 1963</bibRefCitation>
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.)
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</paragraph>
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</subSubSection>
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<subSubSection pageId="87" pageNumber="88" type="discussion">
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<paragraph blockId="87.[189,303,844,870]" box="[189,303,844,870]" pageId="87" pageNumber="88">
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<heading bold="true" box="[189,303,844,870]" fontSize="11" level="3" pageId="87" pageNumber="88" reason="3">
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<emphasis bold="true" box="[189,303,844,870]" pageId="87" pageNumber="88">Remarks</emphasis>
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</heading>
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</paragraph>
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<paragraph blockId="87.[189,1399,891,1164]" pageId="87" pageNumber="88">
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<taxonomicName authorityName="Flower" authorityYear="1963" box="[189,365,891,917]" class="Cephalopoda" family="Probillingsitidae" genus="Redpathoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ascocerida" pageId="87" pageNumber="88" phylum="Mollusca" rank="genus">
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<emphasis box="[189,365,891,917]" italics="true" pageId="87" pageNumber="88">Redpathoceras</emphasis>
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</taxonomicName>
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was assigned to the
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<taxonomicName authorityName="Flower" authorityYear="1941" box="[618,812,891,917]" class="Cephalopoda" family="Probillingsitidae" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="87" pageNumber="88" phylum="Mollusca" rank="family">Probillingsitidae</taxonomicName>
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by
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<bibRefCitation author="Flower R. H." box="[860,1032,891,918]" pageId="87" pageNumber="88" pagination="69 - 85" refId="ref47499" refString="Flower R. H. 1963. New Ordovician Ascoceratida. Journal of Paleontology 37 (1): 69 - 85." type="journal article" year="1963">Flower (1963)</bibRefCitation>
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because of its deeply rounded septum of truncation and its inflated mature body chamber. The
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<typeStatus box="[951,1002,926,952]" pageId="87" pageNumber="88">type</typeStatus>
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species,
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<taxonomicName authorityName="Flower" authorityYear="1963" box="[1110,1363,926,952]" class="Cephalopoda" family="Probillingsitidae" genus="Redpathoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ascocerida" pageId="87" pageNumber="88" phylum="Mollusca" rank="species" species="clarki">
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<emphasis box="[1110,1363,926,952]" italics="true" pageId="87" pageNumber="88">Redpathoceras clarki</emphasis>
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</taxonomicName>
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, is characterized by a mature shell with only two chambers adoral of the terminal truncation; this is similar to
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<taxonomicName authorityName="Foerste" authorityYear="1928" box="[220,392,996,1022]" class="Cephalopoda" family="Ascoceratidae" genus="Probillingsites" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ascocerida" pageId="87" pageNumber="88" phylum="Mollusca" rank="genus">
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<emphasis box="[220,392,996,1022]" italics="true" pageId="87" pageNumber="88">Probillingsites</emphasis>
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</taxonomicName>
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. Some specimens of
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<taxonomicName authorityName="Flower" authorityYear="1963" box="[643,819,996,1022]" class="Cephalopoda" family="Probillingsitidae" genus="Redpathoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ascocerida" pageId="87" pageNumber="88" phylum="Mollusca" rank="genus">
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<emphasis box="[643,819,996,1022]" italics="true" pageId="87" pageNumber="88">Redpathoceras</emphasis>
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</taxonomicName>
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from the Boda Limestone have mature truncated shells with five chambers (
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<taxonomicName authority="Kröger, 2013" authorityName="Kröger" authorityYear="2013" box="[501,775,1032,1058]" class="Cephalopoda" family="Probillingsitidae" genus="Redpathoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ascocerida" pageId="87" pageNumber="88" phylum="Mollusca" rank="species" species="magnus" status="sp. nov.">
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<emphasis box="[501,775,1032,1058]" italics="true" pageId="87" pageNumber="88">Redpathoceras magnus</emphasis>
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</taxonomicName>
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<taxonomicNameLabel box="[782,876,1032,1058]" pageId="87" pageNumber="88" rank="species">sp. nov.</taxonomicNameLabel>
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); this is very similar to
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<taxonomicName authority="Flower, 1941" authorityName="Flower" authorityYear="1941" class="Cephalopoda" family="Hebetoceratidae" genus="Montyoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ascocerida" pageId="87" pageNumber="88" phylum="Mollusca" rank="genus">
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<emphasis box="[1149,1302,1032,1057]" italics="true" pageId="87" pageNumber="88">Montyoceras</emphasis>
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<bibRefCitation author="Flower R. H." pageId="87" pageNumber="88" pagination="523 - 548" refId="ref47400" refString="Flower R. H. 1941. Development of the mixochoanites. Journal of Paleontology 15 (5): 523 - 548." type="journal article" year="1941">Flower, 1941</bibRefCitation>
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</taxonomicName>
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, and supports
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<bibRefCitation author="Flower R. H." box="[419,609,1067,1094]" pageId="87" pageNumber="88" pagination="69 - 85" refId="ref47499" refString="Flower R. H. 1963. New Ordovician Ascoceratida. Journal of Paleontology 37 (1): 69 - 85." type="journal article" year="1963">Flower’s (1963)</bibRefCitation>
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hypothesis of an ancestry of
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<taxonomicName authorityName="Hyatt" authorityYear="1884" box="[954,1086,1067,1093]" class="Cephalopoda" family="Not" genus="Billingsites" higherTaxonomySource="CoL" kingdom="Animalia" order="Ammonoidea" pageId="87" pageNumber="88" phylum="Mollusca" rank="genus">
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<emphasis box="[954,1086,1067,1093]" italics="true" pageId="87" pageNumber="88">Billingsites</emphasis>
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</taxonomicName>
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and other ascocerids from a
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<taxonomicName authorityName="Flower" authorityYear="1941" box="[208,361,1103,1128]" class="Cephalopoda" family="Hebetoceratidae" genus="Montyoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ascocerida" pageId="87" pageNumber="88" phylum="Mollusca" rank="genus">
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<emphasis box="[208,361,1103,1128]" italics="true" pageId="87" pageNumber="88">Montyoceras</emphasis>
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</taxonomicName>
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-like form. (The truncated parts of premature
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<taxonomicName authorityName="Flower" authorityYear="1963" box="[887,1063,1102,1128]" class="Cephalopoda" family="Probillingsitidae" genus="Redpathoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ascocerida" pageId="87" pageNumber="88" phylum="Mollusca" rank="genus">
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<emphasis box="[887,1063,1102,1128]" italics="true" pageId="87" pageNumber="88">Redpathoceras</emphasis>
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</taxonomicName>
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phragmocones consist of ca. seven to eight chambers.)
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</paragraph>
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<paragraph blockId="87.[189,1399,1202,1335]" pageId="87" pageNumber="88">
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On the other hand, the strongly curved conch portions of
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<taxonomicName authorityName="Flower" authorityYear="1963" box="[908,1084,1203,1229]" class="Cephalopoda" family="Probillingsitidae" genus="Redpathoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ascocerida" pageId="87" pageNumber="88" phylum="Mollusca" rank="genus">
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<emphasis box="[908,1084,1203,1229]" italics="true" pageId="87" pageNumber="88">Redpathoceras</emphasis>
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</taxonomicName>
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are very similar to some uranoceratids, such as
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<taxonomicName authority="Foerste, 1935" authorityName="Foerste" authorityYear="1935" box="[467,806,1238,1265]" class="Cephalopoda" family="Apsidoceratidae" genus="Deckeroceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Barrandeocerida" pageId="87" pageNumber="88" phylum="Mollusca" rank="genus">
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<emphasis box="[467,629,1238,1264]" italics="true" pageId="87" pageNumber="88">Deckeroceras</emphasis>
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Foerste, 1935
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</taxonomicName>
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,
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<taxonomicName authority="Kröger, 2013" authorityName="Kröger" authorityYear="2013" box="[823,970,1238,1264]" class="Cephalopoda" family="Uranoceratidae" genus="Siljanoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Barrandeocerida" pageId="87" pageNumber="88" phylum="Mollusca" rank="genus" status="gen. nov.">
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<emphasis box="[823,970,1238,1264]" italics="true" pageId="87" pageNumber="88">Siljanoceras</emphasis>
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</taxonomicName>
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<taxonomicNameLabel box="[981,1092,1238,1264]" pageId="87" pageNumber="88" rank="genus">gen. nov.</taxonomicNameLabel>
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and
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<taxonomicName authority="Kröger, 2013" authorityName="Kröger" authorityYear="2013" box="[1157,1337,1238,1264]" class="Cephalopoda" family="Uranoceratidae" genus="Warburgoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Barrandeocerida" pageId="87" pageNumber="88" phylum="Mollusca" rank="genus" status="gen. nov.">
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<emphasis box="[1157,1337,1238,1264]" italics="true" pageId="87" pageNumber="88">Warburgoceras</emphasis>
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</taxonomicName>
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<taxonomicNameLabel pageId="87" pageNumber="88" rank="genus">gen. nov.</taxonomicNameLabel>
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, from which it mainly differs in having a deeply convex septum of truncation. This suggests a relationship of
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<taxonomicName authorityName="Hyatt in Zittel" authorityYear="1900" box="[367,546,1308,1334]" class="Cephalopoda" family="Uranoceratidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Barrandeocerida" pageId="87" pageNumber="88" phylum="Mollusca" rank="family">Uranoceratidae</taxonomicName>
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with ascocerids (see discussion below).
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</paragraph>
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<paragraph blockId="87.[189,1399,1374,1541]" pageId="87" pageNumber="88">
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The shape of the septal necks and connecting ring of the species of
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<taxonomicName authorityName="Flower" authorityYear="1963" box="[1019,1195,1374,1400]" class="Cephalopoda" family="Probillingsitidae" genus="Redpathoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ascocerida" pageId="87" pageNumber="88" phylum="Mollusca" rank="genus">
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<emphasis box="[1019,1195,1374,1400]" italics="true" pageId="87" pageNumber="88">Redpathoceras</emphasis>
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</taxonomicName>
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known from the Boda Limestone are similar to those of
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<taxonomicName authorityName="Foerste" authorityYear="1928" box="[663,835,1409,1435]" class="Cephalopoda" family="Ascoceratidae" genus="Probillingsites" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ascocerida" pageId="87" pageNumber="88" phylum="Mollusca" rank="genus">
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<emphasis box="[663,835,1409,1435]" italics="true" pageId="87" pageNumber="88">Probillingsites</emphasis>
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</taxonomicName>
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(compare with
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<bibRefCitation author="Furnish W. M. & Glenister B. F." box="[1025,1348,1409,1435]" pageId="87" pageNumber="88" pagination="277" refId="ref47839" refString="Furnish W. M. & Glenister B. F. 1964 a. Nautiloidea-Ascocerida. In: Teichert C. (ed.) Treatise on Invertebrate Paleontology, Part K, Mollusca 3. K 261 - K 277. Geological Society of America and the University of Kansas Press, Boulder, Colorado." type="book chapter" year="1964">Furnish & Glenister 1964a</bibRefCitation>
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: fig. 189.4;
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<figureCitation box="[270,355,1444,1470]" captionStart="Fig" captionStartId="88.[189,232,1885,1911]" captionTargetBox="[190,1400,1293,1845]" captionTargetId="figure@88.[189,1400,1293,1846]" captionTargetPageId="88" captionText="Fig. 40. Polished median section of Redpathoceras bullatum sp. nov., PMU 26926, Kallholn, Boda Limestone. A. Complete truncated phragmocone fragment. B. Adoral part with crowded septa and expanded siphuncular segments. C. Adapical part with wide septald distance and elongated siphuncular segments. Scale bars: A = 10 mm; B-C = 5 mm." figureDoi="http://doi.org/10.5281/zenodo.3814307" httpUri="https://zenodo.org/record/3814307/files/figure.png" pageId="87" pageNumber="88">Fig. 40</figureCitation>
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A-C). The connecting ring is slightly expanded in juvenile chambers and nummoidal and strongly expanded in the latest chambers. The septal necks are suborthochoanitic in juvenile stages and distally thickened and achoanitic in the latest stages.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="87" pageNumber="88" type="multiple">
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<paragraph blockId="87.[189,637,1580,1606]" box="[189,637,1580,1606]" pageId="87" pageNumber="88">
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<heading bold="true" box="[189,637,1580,1606]" fontSize="11" level="3" pageId="87" pageNumber="88" reason="3">
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<emphasis bold="true" box="[189,637,1580,1606]" pageId="87" pageNumber="88">Stratigraphic and geographic range</emphasis>
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</heading>
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</paragraph>
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<paragraph blockId="87.[189,1384,1626,1653]" box="[189,1384,1626,1653]" pageId="87" pageNumber="88">
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Leray Limestone, early-mid Katian,
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<collectingRegion box="[617,710,1626,1652]" country="Canada" name="Quebec" pageId="87" pageNumber="88">Quebec</collectingRegion>
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,
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<collectingCountry box="[722,814,1626,1652]" name="Canada" pageId="87" pageNumber="88">Canada</collectingCountry>
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; Boda Limestone, late Katian,
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<collectingRegion box="[1176,1272,1626,1652]" country="Sweden" name="Dalarna" pageId="87" pageNumber="88">Dalarna</collectingRegion>
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,
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<collectingCountry box="[1283,1380,1626,1652]" name="Sweden" pageId="87" pageNumber="88">Sweden</collectingCountry>
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.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |