259 lines
32 KiB
XML
259 lines
32 KiB
XML
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<mods:title id="69BDC64713FDD81854555CE3F50BF074">The cephalopods of the Boda Limestone, Late Ordovician, of Dalarna, Sweden</mods:title>
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<mods:namePart id="C99A29DF885BDABBAE98CE00B39D5E95">Kröger, Björn</mods:namePart>
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<mods:title id="134CD89FE34FD62EF79AF472ACC37235">European Journal of Taxonomy</mods:title>
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<mods:part id="C9BBE2617A25113E8D46D08BC907AF1A">
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<mods:date id="0F6712A404F8B840055985FD4D2BB02F">2013</mods:date>
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<mods:number id="7DE0429A4638AE72F124EE1D90B43588">2013-03-27</mods:number>
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<mods:number id="83EFEA2E2D893D49F8A574FF62888B3C">41</mods:number>
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<treatment id="AD4D9054CD376A33F00B41FAFD4EFA2E" ID-DOI="http://doi.org/10.5281/zenodo.3815125" ID-GBIF-Taxon="163977215" ID-Zenodo-Dep="3815125" LSID="urn:lsid:zoobank.org:act:BA02C2EE-982A-483B-90DF-46E5E5F80FD4" httpUri="http://treatment.plazi.org/id/AD4D9054CD376A33F00B41FAFD4EFA2E" lastPageId="85" lastPageNumber="86" pageId="83" pageNumber="84">
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<subSubSection id="6DFE72C9CD376A35F00B41FAFC6CF956" box="[619,969,1744,1771]" pageId="83" pageNumber="84" type="nomenclature">
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<paragraph id="255B2142CD376A35F00B41FAFC6CF956" blockId="83.[363,1224,1744,1841]" box="[619,969,1744,1771]" pageId="83" pageNumber="84">
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<heading id="7E13962ECD376A35F00B41FAFC6CF956" box="[619,969,1744,1771]" centered="true" fontSize="11" level="2" pageId="83" pageNumber="84" reason="2">
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<taxonomicName id="E2E45AC1CD376A35F00B41FAFCC3F957" authority="Kröger, 2013" authorityName="Kröger" authorityYear="2013" box="[619,870,1744,1771]" class="Cephalopoda" family="Ascoceratidae" genus="Schuchertoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ascocerida" pageId="83" pageNumber="84" phylum="Mollusca" rank="species" species="fryi" status="sp. nov.">
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<emphasis id="1790FD50CD376A35F00B41FAFCC3F957" bold="true" box="[619,870,1744,1771]" italics="true" pageId="83" pageNumber="84">Schuchertoceras fryi</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="0CA3402BCD376A35F10E41FBFC6CF956" box="[878,969,1745,1771]" pageId="83" pageNumber="84" 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="6DFE72C9CD376A35F30B41DEFCCEF88C" pageId="83" pageNumber="84" type="description">
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<paragraph id="255B2142CD376A35F30B41DEFB6DF8B2" blockId="83.[363,1224,1744,1841]" box="[363,1224,1780,1807]" pageId="83" pageNumber="84">
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<uri id="51752D40CD376A35F30B41DEFB6DF8B2" box="[363,1224,1780,1807]" pageId="83" pageNumber="84">
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urn:lsid:zoobank.org:act:
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<uuid id="51421B97CD376A35F0E841DEFB6DF8B2" box="[648,1224,1780,1807]" pageId="83" pageNumber="84">BA02C2EE-982A-483B-90DF-46E5E5F80FD4</uuid>
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</uri>
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</paragraph>
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<paragraph id="255B2142CD376A35F0A9403DFCCEF88C" blockId="83.[363,1224,1744,1841]" box="[713,875,1815,1841]" pageId="83" pageNumber="84">
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<figureCitation id="BDDF3DC7CD376A35F0A9403DFC94F88C" box="[713,817,1815,1841]" captionStart="Fig" captionStartId="20.[189,232,1658,1684]" captionTargetBox="[194,1391,891,1606]" captionTargetPageId="20" captionText="Fig. 10. Camera lucida drawings of cross sections of selected Boda Limestone cephalopods. A. Cyrtorizoceras thorslundi sp. nov., PMU 26657, Osmundsberget, mature body chamber. B. Tyrioceras cf. kjaerulfi Strand, 1934, PMU 26897, Kallholn. C. Nathorstoceras adnatum sp. nov., PMU 26733, holotype, Kallholn. D. Nathorstoceras kallholnense sp. nov., PMU 26729, holotype. E. Redpathoceras depressum sp. nov., PMU 26927, holotype, Kallholn, cross section of base of mature truncated conch. F. Schuchertoceras fryi sp. nov., PMU 24744, holotype, Kalllholn, cross section of mature aperture (dark grey) and body chamber (medium grey). G. Redpathoceras bullatum sp. nov., PMU 26923, holotype, Kallholn, cross section of base of mature truncated conch. Prosiphuncular side directed downward in all figures. Siphuncles shown as white circles. Scale bar = 10 mm for all figures." figureDoi="http://doi.org/10.5281/zenodo.3814243" httpUri="https://zenodo.org/record/3814243/files/figure.png" pageId="83" pageNumber="84">Figs 10F</figureCitation>
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,
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<figureCitation id="BDDF3DC7CD376A35F15D403DFCCEF88C" box="[829,875,1815,1841]" captionStart="Fig" captionStartId="84.[188,231,1722,1748]" captionTargetBox="[188,1399,469,1673]" captionTargetId="figure@84.[188,1399,469,1680]" captionTargetPageId="84" captionText="Fig. 39. Ascocerida and Uranoceratidae of the Boda Limestone. A-B. Redpathoceras bullatum sp. nov. A. PMU 26923, holotype, Kallholn; mature truncated body chamber, lateral view. B. Same specimen, view from antispihuncular side. C. Warburgoceras longitudinale (Angelin in Angelin & Lindström, 1880) comb. nov., NRM-PZ Mo 154065, Unskarsheden; mature body chamber and part of phragmocone in lateral view. D-E. Probillingsites scandinavicum sp. nov., PMU 26922, holotype, Kallholn. D. Mature truncated body chamber, lateral view. E. Same specimen, view from prosiphuncular side. F. Schuchertoceras fryi sp. nov., PMU 24744, holotype, Kalllholn, lateral view. Scale bars: A-E =10 mm; F = 10 mm." figureDoi="http://doi.org/10.5281/zenodo.3814305" httpUri="https://zenodo.org/record/3814305/files/figure.png" pageId="83" pageNumber="84">39F</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection id="6DFE72C9CD376A35F2DD4073FB27F8CE" box="[189,1154,1880,1907]" pageId="83" pageNumber="84" type="reference_group">
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<paragraph id="255B2142CD376A35F2DD4073FB27F8CE" blockId="83.[189,1154,1880,1907]" box="[189,1154,1880,1907]" pageId="83" pageNumber="84">
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<treatmentCitationGroup id="05F4066CCD376A35F2DD4073FB27F8CE" box="[189,1154,1880,1907]" pageId="83" pageNumber="84">
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<taxonomicName id="E2E45AC1CD376A35F2DD4073FDA4F8CE" authorityName="Frye" authorityYear="1982" box="[189,513,1881,1907]" class="Cephalopoda" family="Ascoceratidae" genus="Schuchertoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ascocerida" pageId="83" pageNumber="84" phylum="Mollusca" rank="species" species="troedssoni">
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<emphasis id="1790FD50CD376A35F2DD4073FDA4F8CE" box="[189,513,1881,1907]" italics="true" pageId="83" pageNumber="84">Schuchertoceras troedssoni</emphasis>
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</taxonomicName>
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–
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<treatmentCitation id="A4450753CD376A35F07E4073FD46F8CE" author="Frye M. W." box="[542,739,1881,1907]" page="1280" pageId="83" pageNumber="84" year="1982">
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<bibRefCitation id="41755CB3CD376A35F07E4073FD46F8CE" author="Frye M. W." box="[542,739,1881,1907]" pageId="83" pageNumber="84" pagination="1274 - 1292" refId="ref47763" refString="Frye M. W. 1982. Upper Ordovician (Harjuan) nautiloid cephalopods from the Boda Limestone of Sweden. Journal of Paleontology 56: 1274 - 1292." type="journal article" year="1982">Frye 1982: 1280</bibRefCitation>
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</treatmentCitation>
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, pl. 1, fig. 3 (non pl. 1, figs 1, 2, 5).
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</treatmentCitationGroup>
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</paragraph>
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</subSubSection>
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<subSubSection id="6DFE72C9CD306A32F2DD4621FEB2FE27" pageId="84" pageNumber="85" type="diagnosis">
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<paragraph id="255B2142CD306A32F2DD4621FE93FE98" blockId="84.[189,310,267,293]" box="[189,310,267,293]" pageId="84" pageNumber="85">
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<heading id="7E13962ECD306A32F2DD4621FE93FE98" bold="true" box="[189,310,267,293]" fontSize="11" level="3" pageId="84" pageNumber="85" reason="3">
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<emphasis id="1790FD50CD306A32F2DD4621FE93FE98" bold="true" box="[189,310,267,293]" pageId="84" pageNumber="85">Diagnosis</emphasis>
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</heading>
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</paragraph>
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<paragraph id="255B2142CD306A32F2DD4613FEB2FE27" blockId="84.[189,1399,313,410]" pageId="84" pageNumber="85">
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<taxonomicName id="E2E45AC1CD306A32F2DD4613FE24FEEE" authorityName="Miller" authorityYear="1932" box="[189,385,313,339]" class="Cephalopoda" family="Ascoceratidae" genus="Schuchertoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ascocerida" pageId="84" pageNumber="85" phylum="Mollusca" rank="genus">
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<emphasis id="1790FD50CD306A32F2DD4613FE24FEEE" box="[189,385,313,339]" italics="true" pageId="84" pageNumber="85">Schuchertoceras</emphasis>
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</taxonomicName>
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with gibbous mature conch with slightly depressed cross section, a basal septum and one ascocerid septum, a highly convex septum of truncation and a mature body chamber height of ca.
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<quantity id="E21C8CA7CD306A32F2DD46AAFEB6FE27" box="[189,275,384,410]" metricMagnitude="-2" metricUnit="m" metricValue="4.0" pageId="84" pageNumber="85" unit="mm" value="40.0">40 mm</quantity>
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.
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</paragraph>
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</subSubSection>
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<caption id="719B71CACD306A32F2DC4190FEE3F876" ID-DOI="http://doi.org/10.5281/zenodo.3814305" ID-Zenodo-Dep="3814305" httpUri="https://zenodo.org/record/3814305/files/figure.png" pageId="84" pageNumber="85" startId="84.[188,231,1722,1748]" targetBox="[188,1399,469,1673]" targetPageId="84">
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<paragraph id="255B2142CD306A32F2DC4190FEE3F876" blockId="84.[188,1398,1722,1995]" pageId="84" pageNumber="85">
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<emphasis id="1790FD50CD306A32F2DC4190FEBCF969" bold="true" box="[188,281,1722,1748]" pageId="84" pageNumber="85">Fig. 39.</emphasis>
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<taxonomicName id="E2E45AC1CD306A32F3404190FE01F969" authorityName="Kuhn" authorityYear="1940" box="[288,420,1722,1748]" class="Cephalopoda" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ascocerida" pageId="84" pageNumber="85" phylum="Mollusca" rank="order">Ascocerida</taxonomicName>
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and
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<taxonomicName id="E2E45AC1CD306A32F3BD4190FD35F969" authorityName="Hyatt in Zittel" authorityYear="1900" box="[477,656,1722,1748]" class="Cephalopoda" family="Uranoceratidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Barrandeocerida" pageId="84" pageNumber="85" phylum="Mollusca" rank="family">Uranoceratidae</taxonomicName>
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of the Boda Limestone.
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<emphasis id="1790FD50CD306A32F1D34190FC43F968" bold="true" box="[947,998,1722,1749]" pageId="84" pageNumber="85">A -B</emphasis>
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.
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<taxonomicName id="E2E45AC1CD306A32F1944190FAB1F969" authority="Kröger, 2013" authorityName="Kröger" authorityYear="2013" box="[1012,1300,1722,1748]" class="Cephalopoda" family="Probillingsitidae" genus="Redpathoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ascocerida" pageId="84" pageNumber="85" phylum="Mollusca" rank="species" species="bullatum" status="sp. nov.">
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<emphasis id="1790FD50CD306A32F1944190FAB1F969" box="[1012,1300,1722,1748]" italics="true" pageId="84" pageNumber="85">Redpathoceras bullatum</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="0CA3402BCD306A32F77C4191FAD3F968" box="[1308,1398,1723,1749]" pageId="84" pageNumber="85" rank="species">sp. nov.</taxonomicNameLabel>
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<emphasis id="1790FD50CD306A32F2DC41F7FF74F94A" bold="true" box="[188,209,1757,1783]" pageId="84" pageNumber="85">A</emphasis>
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. PMU 26923, holotype, Kallholn; mature truncated body chamber, lateral view.
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<emphasis id="1790FD50CD306A32F6F241F4FB03F945" bold="true" box="[1170,1190,1758,1784]" pageId="84" pageNumber="85">B</emphasis>
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. Same specimen, view from antispihuncular side.
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<emphasis id="1790FD50CD306A32F026402BFDFEF8A6" bold="true" box="[582,603,1793,1819]" pageId="84" pageNumber="85">C</emphasis>
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.
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<taxonomicName id="E2E45AC1CD306A32F00E402BFEA4F883" authority="(Angelin in Angelin & Lindstrom, 1880)" authorityName="Kröger" authorityYear="2013" baseAuthorityName="Angelin in Angelin & Lindstrom" baseAuthorityYear="1880" class="Cephalopoda" family="Uranoceratidae" genus="Warburgoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Barrandeocerida" pageId="84" pageNumber="85" phylum="Mollusca" rank="species" species="longitudinale" status="comb. nov.">
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<emphasis id="1790FD50CD306A32F00E402BFC6CF8A6" box="[622,969,1793,1819]" italics="true" pageId="84" pageNumber="85">Warburgoceras longitudinale</emphasis>
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(Angelin
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<emphasis id="1790FD50CD306A32F6284028FBFAF8A6" box="[1096,1119,1794,1819]" italics="true" pageId="84" pageNumber="85">in</emphasis>
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<bibRefCitation id="41755CB3CD306A32F609402BFF5DF883" author="Angelin N. P. & Lindstrom G." pageId="84" pageNumber="85" refId="ref46414" refString="Angelin N. P. & Lindstrom G. 1880. Fragmenta Silurica. Samson and Wallin, Stockholm." type="book" year="1880">Angelin & Lindström, 1880</bibRefCitation>
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)
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</taxonomicName>
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<taxonomicNameLabel id="0CA3402BCD306A32F367400EFE2FF882" box="[263,394,1828,1855]" pageId="84" pageNumber="85" rank="species">comb. nov.</taxonomicNameLabel>
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, NRM-PZ Mo 154065, Unskarsheden; mature body chamber and part of phragmocone in lateral view.
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<emphasis id="1790FD50CD306A32F3E4406DFE13F8DC" bold="true" box="[388,438,1863,1890]" pageId="84" pageNumber="85">D -E</emphasis>
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.
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<taxonomicName id="E2E45AC1CD306A32F3AB406DFC91F8DC" authority="Kröger, 2013" authorityName="Kröger" authorityYear="2013" box="[459,820,1863,1889]" class="Cephalopoda" family="Ascoceratidae" genus="Probillingsites" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ascocerida" pageId="84" pageNumber="85" phylum="Mollusca" rank="species" species="scandinavicum" status="sp. nov.">
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<emphasis id="1790FD50CD306A32F3AB406DFC91F8DC" box="[459,820,1863,1889]" italics="true" pageId="84" pageNumber="85">Probillingsites scandinavicum</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="0CA3402BCD306A32F1224062FC00F8DF" box="[834,933,1864,1890]" pageId="84" pageNumber="85" rank="species">sp. nov.</taxonomicNameLabel>
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, PMU 26922, holotype, Kallholn.
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<emphasis id="1790FD50CD306A32F739406DFACBF8DC" bold="true" box="[1369,1390,1863,1889]" pageId="84" pageNumber="85">D</emphasis>
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. Mature truncated body chamber, lateral view.
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<emphasis id="1790FD50CD306A32F08A4041FD5BF838" bold="true" box="[746,766,1899,1925]" pageId="84" pageNumber="85">E</emphasis>
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. Same specimen, view from prosiphuncular side.
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<emphasis id="1790FD50CD306A32F73D4041FACAF838" bold="true" box="[1373,1391,1899,1925]" pageId="84" pageNumber="85">F</emphasis>
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.
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<taxonomicName id="E2E45AC1CD306A32F2DC40A4FE14F815" authority="Kröger, 2013" authorityName="Kröger" authorityYear="2013" box="[188,433,1934,1960]" class="Cephalopoda" family="Ascoceratidae" genus="Schuchertoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ascocerida" pageId="84" pageNumber="85" phylum="Mollusca" rank="species" species="fryi" status="sp. nov.">
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<emphasis id="1790FD50CD306A32F2DC40A4FE14F815" box="[188,433,1934,1960]" italics="true" pageId="84" pageNumber="85">Schuchertoceras fryi</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="0CA3402BCD306A32F3D840A4FDB0F815" box="[440,533,1934,1960]" pageId="84" pageNumber="85" rank="species">sp. nov.</taxonomicNameLabel>
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||
, PMU 24744, holotype, Kalllholn, lateral view. Scale bars: A-E =10 mm; F = 10 mm.
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||
</paragraph>
|
||
</caption>
|
||
<subSubSection id="6DFE72C9CD316A33F2DD4621FAD2FEE9" box="[189,1399,267,340]" pageId="85" pageNumber="86" type="etymology">
|
||
<paragraph id="255B2142CD316A33F2DD4621FEE1FE98" blockId="85.[189,324,267,293]" box="[189,324,267,293]" pageId="85" pageNumber="86">
|
||
<heading id="7E13962ECD316A33F2DD4621FEE1FE98" bold="true" box="[189,324,267,293]" fontSize="11" level="3" pageId="85" pageNumber="86" reason="3">
|
||
<emphasis id="1790FD50CD316A33F2DD4621FEE1FE98" bold="true" box="[189,324,267,293]" pageId="85" pageNumber="86">Etymology</emphasis>
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="255B2142CD316A33F2DD4613FAD2FEE9" blockId="85.[189,1399,313,340]" box="[189,1399,313,340]" pageId="85" pageNumber="86">
|
||
Refers to Mark W. Frye, who first described some of the ascocerids of the Boda Limestone (
|
||
<bibRefCitation id="41755CB3CD316A33F68C4610FACFFEE9" author="Frye M. W." box="[1260,1386,314,340]" pageId="85" pageNumber="86" pagination="1274 - 1292" refId="ref47763" refString="Frye M. W. 1982. Upper Ordovician (Harjuan) nautiloid cephalopods from the Boda Limestone of Sweden. Journal of Paleontology 56: 1274 - 1292." type="journal article" year="1982">Frye 1982</bibRefCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="6DFE72C9CD316A33F2DD4651FEF0FE7E" box="[189,341,379,452]" pageId="85" pageNumber="86" type="materials_examined">
|
||
<materialsCitation id="958C2B1FCD316A33F2DD4651FEF0FE7E" ID-GBIF-Occurrence="2610779310" box="[189,341,379,452]" collectionCode="PMU" pageId="85" pageNumber="86" specimenCode="PMU 24744" specimenCount="1" typeStatus="holotype">
|
||
<paragraph id="255B2142CD316A33F2DD4651FE8AFE28" blockId="85.[189,303,379,405]" box="[189,303,379,405]" pageId="85" pageNumber="86">
|
||
<heading id="7E13962ECD316A33F2DD4651FE8AFE28" bold="true" box="[189,303,379,405]" fontSize="11" level="3" pageId="85" pageNumber="86" reason="3">
|
||
<emphasis id="1790FD50CD316A33F2DD4651FE8AFE28" bold="true" box="[189,303,379,405]" pageId="85" pageNumber="86">
|
||
<typeStatus id="FA5F9FE0CD316A33F2DD4651FE8AFE28" box="[189,303,379,405]" pageId="85" pageNumber="86" type="holotype">Holotype</typeStatus>
|
||
</emphasis>
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="255B2142CD316A33F2DD4680FEF0FE7E" blockId="85.[189,341,425,452]" box="[189,341,425,452]" pageId="85" pageNumber="86">
|
||
<specimenCode id="75428939CD316A33F2DD4680FEF4FE7E" box="[189,337,425,452]" pageId="85" pageNumber="86">PMU 24744</specimenCode>
|
||
.
|
||
</paragraph>
|
||
</materialsCitation>
|
||
</subSubSection>
|
||
<subSubSection id="6DFE72C9CD316A33F2DD46C1FB4FFD8E" pageId="85" pageNumber="86" type="distribution">
|
||
<paragraph id="255B2142CD316A33F2DD46C1FE5EFDB8" blockId="85.[189,507,491,517]" box="[189,507,491,517]" pageId="85" pageNumber="86">
|
||
<heading id="7E13962ECD316A33F2DD46C1FE5EFDB8" bold="true" box="[189,507,491,517]" fontSize="11" level="3" pageId="85" pageNumber="86" reason="3">
|
||
<emphasis id="1790FD50CD316A33F2DD46C1FE5EFDB8" bold="true" box="[189,507,491,517]" pageId="85" pageNumber="86">Type locality and horizon</emphasis>
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="255B2142CD316A33F2DD4533FB4FFD8E" blockId="85.[189,1258,537,563]" box="[189,1258,537,563]" pageId="85" pageNumber="86">
|
||
Kallholn,
|
||
<collectingRegion id="E720EFA0CD316A33F3524533FE37FD8E" box="[306,402,537,563]" country="Sweden" name="Dalarna" pageId="85" pageNumber="86">Dalarna</collectingRegion>
|
||
,
|
||
<collectingCountry id="5DF361D2CD316A33F3FE4533FE5BFD8E" box="[414,510,537,563]" name="Sweden" pageId="85" pageNumber="86">Sweden</collectingCountry>
|
||
, Boda Limestone, Boda Core Member, late Katian, Ordovician.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="6DFE72C9CD316A33F2DD4571FBA4FC00" pageId="85" pageNumber="86" type="description">
|
||
<paragraph id="255B2142CD316A33F2DD4571FEEBFDC8" blockId="85.[189,334,603,629]" box="[189,334,603,629]" pageId="85" pageNumber="86">
|
||
<heading id="7E13962ECD316A33F2DD4571FEEBFDC8" bold="true" box="[189,334,603,629]" fontSize="11" level="3" pageId="85" pageNumber="86" reason="3">
|
||
<emphasis id="1790FD50CD316A33F2DD4571FEEBFDC8" bold="true" box="[189,334,603,629]" pageId="85" pageNumber="86">Description</emphasis>
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="255B2142CD316A33F2DD45A3FBA4FC00" blockId="85.[189,1399,649,957]" pageId="85" pageNumber="86">
|
||
The specimen is a complete fragment of a mature conch. The outer shell is partially preserved and nearly smooth with fine, irregularly spaced growth lines. The total conch length is
|
||
<quantity id="E21C8CA7CD316A33F6244586FB3DFD7A" box="[1092,1176,684,711]" metricMagnitude="-2" metricUnit="m" metricValue="6.5" pageId="85" pageNumber="86" unit="mm" value="65.0">65 mm</quantity>
|
||
and the maximum height of
|
||
<quantity id="E21C8CA7CD316A33F34E45FAFE24FD57" box="[302,385,720,746]" metricMagnitude="-2" metricUnit="m" metricValue="4.0" pageId="85" pageNumber="86" unit="mm" value="40.0">40 mm</quantity>
|
||
and width of
|
||
<quantity id="E21C8CA7CD316A33F04545FAFDDDFD57" box="[549,632,720,746]" metricMagnitude="-2" metricUnit="m" metricValue="4.4" pageId="85" pageNumber="86" unit="mm" value="44.0">44 mm</quantity>
|
||
(ratio width/height 1.1) are reached at approximately mid-length of the mature body chamber (
|
||
<figureCitation id="BDDF3DC7CD316A33F07245D9FDDCFCB0" box="[530,633,755,781]" captionStart="Fig" captionStartId="84.[188,231,1722,1748]" captionTargetBox="[188,1399,469,1673]" captionTargetId="figure@84.[188,1399,469,1680]" captionTargetPageId="84" captionText="Fig. 39. Ascocerida and Uranoceratidae of the Boda Limestone. A-B. Redpathoceras bullatum sp. nov. A. PMU 26923, holotype, Kallholn; mature truncated body chamber, lateral view. B. Same specimen, view from antispihuncular side. C. Warburgoceras longitudinale (Angelin in Angelin & Lindström, 1880) comb. nov., NRM-PZ Mo 154065, Unskarsheden; mature body chamber and part of phragmocone in lateral view. D-E. Probillingsites scandinavicum sp. nov., PMU 26922, holotype, Kallholn. D. Mature truncated body chamber, lateral view. E. Same specimen, view from prosiphuncular side. F. Schuchertoceras fryi sp. nov., PMU 24744, holotype, Kalllholn, lateral view. Scale bars: A-E =10 mm; F = 10 mm." figureDoi="http://doi.org/10.5281/zenodo.3814305" httpUri="https://zenodo.org/record/3814305/files/figure.png" pageId="85" pageNumber="86">Fig. 39F</figureCitation>
|
||
). The length/height ratio of the mature conch is 0.61. The aperture is depressed, elliptical in cross section, with a height of
|
||
<quantity id="E21C8CA7CD316A33F133443CFC03FC8C" box="[851,934,790,817]" metricMagnitude="-2" metricUnit="m" metricValue="3.2" pageId="85" pageNumber="86" unit="mm" value="32.0">32 mm</quantity>
|
||
and a width of ca.
|
||
<quantity id="E21C8CA7CD316A33F6EA443CFB44FC8C" box="[1162,1249,790,817]" metricMagnitude="-2" metricUnit="m" metricValue="3.6" pageId="85" pageNumber="86" unit="mm" value="36.0">36 mm</quantity>
|
||
. The septum of truncation is highly convex and dome-shaped, with a height of ca.
|
||
<quantity id="E21C8CA7CD316A33F6624413FBF3FCE9" box="[1026,1110,825,852]" metricMagnitude="-2" metricUnit="m" metricValue="1.4" pageId="85" pageNumber="86" unit="mm" value="14.0">14 mm</quantity>
|
||
and oblique. The septal perforation is close to the conch margin (ca.
|
||
<quantity id="E21C8CA7CD316A33F0DD4476FCA1FCCA" box="[701,772,860,887]" metricMagnitude="-3" metricUnit="m" metricValue="5.0" pageId="85" pageNumber="86" unit="mm" value="5.0">5 mm</quantity>
|
||
). The ascocerid septum forms a short and pointed lobe and a wide and shallow sinus and almost reaches the aperture on the antisiphuncular side of the conch. The prosiphuncular side is slightly flattened in cross section (
|
||
<figureCitation id="BDDF3DC7CD316A33F1EB4489FC51FC00" box="[907,1012,931,957]" captionStart="Fig" captionStartId="20.[189,232,1658,1684]" captionTargetBox="[194,1391,891,1606]" captionTargetPageId="20" captionText="Fig. 10. Camera lucida drawings of cross sections of selected Boda Limestone cephalopods. A. Cyrtorizoceras thorslundi sp. nov., PMU 26657, Osmundsberget, mature body chamber. B. Tyrioceras cf. kjaerulfi Strand, 1934, PMU 26897, Kallholn. C. Nathorstoceras adnatum sp. nov., PMU 26733, holotype, Kallholn. D. Nathorstoceras kallholnense sp. nov., PMU 26729, holotype. E. Redpathoceras depressum sp. nov., PMU 26927, holotype, Kallholn, cross section of base of mature truncated conch. F. Schuchertoceras fryi sp. nov., PMU 24744, holotype, Kalllholn, cross section of mature aperture (dark grey) and body chamber (medium grey). G. Redpathoceras bullatum sp. nov., PMU 26923, holotype, Kallholn, cross section of base of mature truncated conch. Prosiphuncular side directed downward in all figures. Siphuncles shown as white circles. Scale bar = 10 mm for all figures." figureDoi="http://doi.org/10.5281/zenodo.3814243" httpUri="https://zenodo.org/record/3814243/files/figure.png" pageId="85" pageNumber="86">Fig. 10F</figureCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="6DFE72C9CD316A33F2DD44CFFE91FA9E" pageId="85" pageNumber="86" type="discussion">
|
||
<paragraph id="255B2142CD316A33F2DD44CFFE8AFC42" blockId="85.[189,303,997,1023]" box="[189,303,997,1023]" pageId="85" pageNumber="86">
|
||
<heading id="7E13962ECD316A33F2DD44CFFE8AFC42" bold="true" box="[189,303,997,1023]" fontSize="11" level="3" pageId="85" pageNumber="86" reason="3">
|
||
<emphasis id="1790FD50CD316A33F2DD44CFFE8AFC42" bold="true" box="[189,303,997,1023]" pageId="85" pageNumber="86">Remarks</emphasis>
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="255B2142CD316A33F2DD4339FE91FA9E" blockId="85.[189,1399,1043,1315]" pageId="85" pageNumber="86">
|
||
This specimen was assigned to
|
||
<taxonomicName id="E2E45AC1CD316A33F02B4339FB82FB90" authority="Frye, 1982" authorityName="Frye" authorityYear="1982" box="[587,1063,1043,1069]" class="Cephalopoda" family="Ascoceratidae" genus="Schuchertoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ascocerida" pageId="85" pageNumber="86" phylum="Mollusca" rank="species" species="troedssoni">
|
||
<emphasis id="1790FD50CD316A33F02B4339FC31FB90" box="[587,916,1043,1069]" italics="true" pageId="85" pageNumber="86">Schuchertoceras troedssoni</emphasis>
|
||
<bibRefCitation id="41755CB3CD316A33F1C24339FB82FB90" author="Frye M. W." box="[930,1063,1043,1069]" pageId="85" pageNumber="86" pagination="1274 - 1292" refId="ref47763" refString="Frye M. W. 1982. Upper Ordovician (Harjuan) nautiloid cephalopods from the Boda Limestone of Sweden. Journal of Paleontology 56: 1274 - 1292." type="journal article" year="1982">Frye, 1982</bibRefCitation>
|
||
</taxonomicName>
|
||
by
|
||
<bibRefCitation id="41755CB3CD316A33F63E4339FA9AFB90" author="Frye M. W." box="[1118,1343,1043,1069]" pageId="85" pageNumber="86" pagination="1274 - 1292" refId="ref47763" refString="Frye M. W. 1982. Upper Ordovician (Harjuan) nautiloid cephalopods from the Boda Limestone of Sweden. Journal of Paleontology 56: 1274 - 1292." type="journal article" year="1982">Frye (1982: 1280)</bibRefCitation>
|
||
and described as an “unusually gibbous, and nearly egg-like” specimen. A reinvestigation of the specimens described by
|
||
<bibRefCitation id="41755CB3CD316A33F3374370FE45FBCE" author="Frye M. W." box="[343,480,1113,1140]" pageId="85" pageNumber="86" pagination="1274 - 1292" refId="ref47763" refString="Frye M. W. 1982. Upper Ordovician (Harjuan) nautiloid cephalopods from the Boda Limestone of Sweden. Journal of Paleontology 56: 1274 - 1292." type="journal article" year="1982">Frye (1982)</bibRefCitation>
|
||
reveals that PMU d727 is not only significantly larger than the other specimens assigned to
|
||
<taxonomicName id="E2E45AC1CD316A33F3284357FE7BFB2B" authorityName="Frye" authorityYear="1982" box="[328,478,1148,1175]" class="Cephalopoda" family="Ascoceratidae" genus="Schuchertoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ascocerida" pageId="85" pageNumber="86" phylum="Mollusca" rank="species" species="troedssoni">
|
||
<emphasis id="1790FD50CD316A33F3284357FEF2FB2A" box="[328,343,1149,1175]" italics="true" pageId="85" pageNumber="86">S</emphasis>
|
||
.
|
||
<emphasis id="1790FD50CD316A33F3054356FE7BFB2B" box="[357,478,1148,1174]" italics="true" pageId="85" pageNumber="86">troedssoni</emphasis>
|
||
</taxonomicName>
|
||
, which have a mature length of
|
||
<quantity id="E21C8CA7CD316A33F13A4356FC7DFB2A" box="[858,984,1148,1175]" metricMagnitude="-2" metricUnit="m" metricValue="4.5" metricValueMax="5.0" metricValueMin="4.0" pageId="85" pageNumber="86" unit="mm" value="45.0" valueMax="50.0" valueMin="40.0">40–50 mm</quantity>
|
||
only, but differs in having a highly convex septum of truncation. This is in strong contrast to the
|
||
<typeStatus id="FA5F9FE0CD316A33F1FC438AFC6AFB07" box="[924,975,1184,1210]" pageId="85" pageNumber="86">type</typeStatus>
|
||
of
|
||
<taxonomicName id="E2E45AC1CD316A33F198438AFB35FB07" authorityName="Frye" authorityYear="1982" box="[1016,1168,1184,1210]" class="Cephalopoda" family="Ascoceratidae" genus="Schuchertoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ascocerida" pageId="85" pageNumber="86" phylum="Mollusca" rank="species" species="troedssoni">
|
||
<emphasis id="1790FD50CD316A33F198438AFBA2FB07" box="[1016,1031,1184,1210]" italics="true" pageId="85" pageNumber="86">S</emphasis>
|
||
.
|
||
<emphasis id="1790FD50CD316A33F677438AFB35FB07" box="[1047,1168,1184,1210]" italics="true" pageId="85" pageNumber="86">troedssoni</emphasis>
|
||
</taxonomicName>
|
||
, which possesses a relatively shallow and flat septum of truncation and which is clearly less gibbous in general conch form. These differences are considered to be significant here and justify the erection of a new species for this specimen.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="6DFE72C9CD316A33F2DD4260FD4EFA2E" pageId="85" pageNumber="86" type="multiple">
|
||
<paragraph id="255B2142CD316A33F2DD4260FDD8FAD8" blockId="85.[189,637,1354,1381]" box="[189,637,1354,1381]" pageId="85" pageNumber="86">
|
||
<heading id="7E13962ECD316A33F2DD4260FDD8FAD8" bold="true" box="[189,637,1354,1381]" fontSize="11" level="3" pageId="85" pageNumber="86" reason="3">
|
||
<emphasis id="1790FD50CD316A33F2DD4260FDD8FAD8" bold="true" box="[189,637,1354,1381]" pageId="85" pageNumber="86">Stratigraphic and geographic range</emphasis>
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="255B2142CD316A33F2DD4253FD4EFA2E" blockId="85.[189,747,1401,1427]" box="[189,747,1401,1427]" pageId="85" pageNumber="86">
|
||
Boda Limestone, late Katian,
|
||
<collectingRegion id="E720EFA0CD316A33F07B4253FDDEFA2E" box="[539,635,1401,1427]" country="Sweden" name="Dalarna" pageId="85" pageNumber="86">Dalarna</collectingRegion>
|
||
,
|
||
<collectingCountry id="5DF361D2CD316A33F0E74253FD4DFA2E" box="[647,744,1401,1427]" name="Sweden" pageId="85" pageNumber="86">Sweden</collectingCountry>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |