203 lines
29 KiB
XML
203 lines
29 KiB
XML
<document id="CEC09648450290FBABC6A8D44CF566E4" ID-DOI="10.5070/P940454153" ID-ISSN="0031-0298" ID-Zenodo-Dep="10913559" ID-ZooBank="58312615-0833-432E-BF5D-3DFFBF361AAA" IM.bibliography_approvedBy="diego" IM.illustrations_approvedBy="diego" IM.materialsCitations_approvedBy="diego" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects" IM.taxonomicNames_approvedBy="diego" IM.treatmentCitations_approvedBy="felipe" IM.treatments_approvedBy="diego" checkinTime="1712169471054" checkinUser="felipe" docAuthor="Burrow, Carole Jan, Murphy, Michael & Turner, Susan" docDate="2023" docId="B21CD55BFFD4FFEB5A1C8B97FE8924ED" docLanguage="en" docName="PaleoBios.40.4.1-32.pdf" docOrigin="PaleoBios 40 (1975)" docSource="http://dx.doi.org/10.5070/p940454153" docStyle="DocumentStyle:76F55B8832C4952BA7DD61B33E1F0E81.1:PaleoBios.2023-.journal_article" docStyleId="76F55B8832C4952BA7DD61B33E1F0E81" docStyleName="PaleoBios.2023-.journal_article" docStyleVersion="1" docTitle="Zemlyacanthus menneri VERGOOSSEN 1997" docType="treatment" docVersion="6" lastPageNumber="10" masterDocId="4E25AD23FFDEFFE0596C8867FF9B270C" masterDocTitle="Late Silurian to earliest Devonian vertebrate biostratigraphy of the Birch Creek II section, Roberts Mountains, Nevada, U. S. A." masterLastPageNumber="32" masterPageNumber="1" pageNumber="9" updateTime="1717597860775" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-NC-SA-4.0">
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<mods:title id="11901561E4867A388B96BF73F440A7ED">Late Silurian to earliest Devonian vertebrate biostratigraphy of the Birch Creek II section, Roberts Mountains, Nevada, U. S. A.</mods:title>
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<mods:namePart id="5A35C3E40C4C8CD286672A2F6C0AD6AD">Burrow, Carole Jan</mods:namePart>
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<mods:namePart id="7520911F41886A40537961BDE495621D">Murphy, Michael</mods:namePart>
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<mods:namePart id="9054EA6315A9C54E38571EFED39AA9EE">Turner, Susan</mods:namePart>
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<mods:title id="EB9AD793B9E0E450FBE68291D276C17B">PaleoBios</mods:title>
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<mods:date id="9E850D2F42A7E6AAB9C5A9AAD9BEE94D">2023</mods:date>
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<mods:number id="C9D033A4DA78E27A6251137E95253433">2023-06-06</mods:number>
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<mods:number id="CF2F4E232F2E022BE5F3B6D3E63DEB13">1975</mods:number>
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<treatment id="B21CD55BFFD4FFEB5A1C8B97FE8924ED" ID-DOI="http://doi.org/10.5281/zenodo.11488283" ID-Zenodo-Dep="11488283" LSID="urn:lsid:plazi:treatment:B21CD55BFFD4FFEB5A1C8B97FE8924ED" httpUri="http://treatment.plazi.org/id/B21CD55BFFD4FFEB5A1C8B97FE8924ED" lastPageId="11" lastPageNumber="10" pageId="10" pageNumber="9">
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<subSubSection id="72AF37C6FFD4FFEA5A1C8B97FA5B2306" box="[880,1472,1002,1034]" pageId="10" pageNumber="9" type="nomenclature">
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<paragraph id="3A0A644DFFD4FFEA5A1C8B97FA5B2306" blockId="10.[880,1472,1002,1069]" box="[880,1472,1002,1034]" pageId="10" pageNumber="9">
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<heading id="6142D321FFD4FFEA5A1C8B97FA5B2306" allCaps="true" box="[880,1472,1002,1034]" centered="true" fontSize="10" level="2" pageId="10" pageNumber="9" reason="2">
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<taxonomicName id="FDB51FCEFFD4FFEA5A1C8B97FA5B2306" authority="(VALIUKEVICIUS, 1992)" authorityName="VERGOOSSEN" authorityYear="1997" baseAuthorityName="VALIUKEVICIUS" baseAuthorityYear="1992" box="[880,1472,1002,1034]" family="Poracanthodidae" genus="Zemlyacanthus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ischnacantiformes" pageId="10" pageNumber="9" phylum="Chordata" rank="species" species="menneri">
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<emphasis id="08C1B85FFFD4FFEA5A1C8B97FB382305" box="[880,1187,1008,1034]" italics="true" pageId="10" pageNumber="9">ZEMLYACANTHUS MENNERI</emphasis>
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(
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<bibRefCitation id="5E2419BCFFD4FFEA5DD98B8DFA2E2306" author="Valiukevicius, J. J." box="[1205,1461,1002,1034]" pageId="10" pageNumber="9" refId="ref26180" refString="Valiukevicius, J. J. 1992. First articulated Poracanthodes from the Lower Devonian of Severnaya Zemlya. Pp. 193 - 214 in E. Mark-Kurik (ed.). Fossil Fishes as Living Animals. Academia 1, Academy of Sciences of Estonia, Tallinn." type="book" year="1992">VALIUKEVIČIUS, 1992</bibRefCitation>
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)
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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="72AF37C6FFD4FFEA5AF38C74FA0A2321" box="[927,1425,1043,1069]" pageId="10" pageNumber="9" type="description">
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||
<paragraph id="3A0A644DFFD4FFEA5AF38C74FA0A2321" blockId="10.[880,1472,1002,1069]" box="[927,1425,1043,1069]" pageId="10" pageNumber="9">
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(
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<figureCitation id="A28E78C8FFD4FFEA5ACB8C74FB872321" box="[935,1052,1043,1069]" captionStart="Figure 3" captionStartId="12.[112,191,1493,1517]" captionTargetBox="[112,1520,272,1460]" captionTargetId="figure-277@12.[112,1520,272,1460]" captionTargetPageId="12" captionText="Figure 3. Poracanthodid and ischnacanthid acanthodian scales from Upper Silurian levels of the Birch Creek II section. A–E,?F,?G. Gomphonchoporus hoppei: A. UCR 949-1 (level 567.3') in crown view (from Supplement 1, fig. 24); B. UCR 944-11 (level 527.25') in laterocrown view; C, D. UCR 5439-2 (level 549') in anterocrown and laterocrown views; E. UCR 5439-3 (level 549') in basal view; F. UCR 5439-7 (level 549') in crown view; G. UCR 5439-1 (level 549') in anterocrown view. H–J. Zemlyacanthus menneri: UCR 10815-1, 2, 3 (level 556.5'), in crown views (from Supplement 1, fig. 22). M–P. Trundlelepis cervicostulata: K, L. UCR 10768-4 (level 518.3') in anterior and lateral views; M. UCR 944-17 (level 527.25') in crown view; N. UCR 944-3 (level 527.25') in crown view; O. UCR 944-23 (level 527.25'), vertical longitudinal thin section; P. UCR 944-22 (level 527.25'), horizontal thin section through crown. Q, R. Poracanthodidae gen., sp. indet. sensory line scale UCR 930-3 (level 395') in crown and posterior views. S-V. Gomphonchus sandelensis: S, T. UCR 10746-11 (level 430.5') in crown and lateral views; U,V. UCR 930-7 (level 395') in antero- and posterocrown views. W–Z. Gomphonchus mediocostatus: W. UCR 944-6 (level 527.25') in crown view; X. UCR 944-16 (level 527.25') in crown view; Y. UCR 942-1 (level 526') in crown view (from Supplement 1, fig. 20); Z. UCR 944-19 (level 527.25') in laterocrown view. Abbreviations: cgz=crown growth zones; dt=dentine tubules; h=hyphal borings; vc=vertical canals. Scale bars=0.1 mm, anterior of scale" figureDoi="http://doi.org/10.5281/zenodo.10913565" httpUri="https://zenodo.org/record/10913565/files/figure.png" pageId="10" pageNumber="9">Fig. 3H–J</figureCitation>
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;
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<tableCitation id="773751F6FFD4FFEA5D4B8C74FB1A2321" box="[1063,1153,1043,1069]" captionStart="Table 1" captionStartId="5.[112,179,1869,1893]" captionTargetBox="[120,1534,204,1847]" captionTargetId="graphics-72@5.[112,1519,193,1849]" captionTargetPageId="5" captionText="Table 1. Distribution of vertebrate and agnathan remains in the Birch Creek Section BCII, northern Roberts Mts. (Přidolí- Lochkovian; bold line indicates probable S/D boundary). Vertebrates are to the left above the upper horizontal line and agnathans are to the right. RP indicates Ross Parke samples. Number of elements: x 1-10, xx 11-50, xxx 51-100, xxxx>100." httpUri="http://table.plazi.org/id/6ECA34C5FFDBFFE5591C8F2AFA2520A9" pageId="10" pageNumber="9" tableUuid="6ECA34C5FFDBFFE5591C8F2AFA2520A9">Table 1</tableCitation>
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; Suppl. 1, figs. 18, 22)
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</paragraph>
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</subSubSection>
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<subSubSection id="72AF37C6FFD4FFEA5A0C8C3FFA5123B6" pageId="10" pageNumber="9" type="reference_group">
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<paragraph id="3A0A644DFFD4FFEA5A0C8C3FFBA1239B" blockId="10.[832,1520,1112,1212]" pageId="10" pageNumber="9">
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<taxonomicName id="FDB51FCEFFD4FFEA5A0C8C3FFA19237F" authority="Valiukevicius, 1992" authorityName="Valiukevicius" authorityYear="1992" box="[864,1410,1112,1140]" family="Poracanthodidae" genus="Poracanthodes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ischnacantiformes" pageId="10" pageNumber="9" phylum="Chordata" rank="species" species="menneri">
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<emphasis id="08C1B85FFFD4FFEA5A0C8C3FFB1E2378" box="[864,1157,1112,1140]" italics="true" pageId="10" pageNumber="9">Poracanthodes menneri</emphasis>
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<bibRefCitation id="5E2419BCFFD4FFEA5DE28C3EFA19237F" author="Valiukevicius, J. J." box="[1166,1410,1113,1139]" pageId="10" pageNumber="9" refId="ref26180" refString="Valiukevicius, J. J. 1992. First articulated Poracanthodes from the Lower Devonian of Severnaya Zemlya. Pp. 193 - 214 in E. Mark-Kurik (ed.). Fossil Fishes as Living Animals. Academia 1, Academy of Sciences of Estonia, Tallinn." type="book" year="1992">Valiukevičius, 1992</bibRefCitation>
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</taxonomicName>
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, 195, pl. 1-10, text-figs. 1-12.
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||
</paragraph>
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||
<paragraph id="3A0A644DFFD4FFEA5A0C8CC7FA5123B6" blockId="10.[832,1520,1112,1212]" box="[864,1482,1182,1212]" pageId="10" pageNumber="9">
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<taxonomicName id="FDB51FCEFFD4FFEA5A0C8CC7FB1E23B6" baseAuthorityName="VALIUKEVICIUS" baseAuthorityYear="1992" box="[864,1157,1182,1212]" family="Poracanthodidae" genus="Zemlyacanthus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ischnacantiformes" pageId="10" pageNumber="9" phylum="Chordata" rank="species" species="menneri">
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<emphasis id="08C1B85FFFD4FFEA5A0C8CC7FB1E23B6" box="[864,1157,1182,1212]" italics="true" pageId="10" pageNumber="9">Zemlyacanthus menneri</emphasis>
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</taxonomicName>
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;
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<bibRefCitation id="5E2419BCFFD4FFEA5DFF8CC7FAF123B6" author="Vergoossen, J. M. J." box="[1171,1386,1184,1210]" pageId="10" pageNumber="9" pagination="44 - 46" refId="ref26582" refString="Vergoossen, J. M. J. 1997. Revision of poracanthodid acanthodians. In A. Ivanov, M. V. H. Wilson, and A. Zhuravlev (eds.). Circum-Arctic Palaeozoic Vertebrates: Biological and Geological Significance. St Petersburg, 23 - 26 September 1997. Ichthyolith Issues Special Publication 4: 44 - 46." type="journal article" year="1997">Vergoossen 1997</bibRefCitation>
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, 45, 46.
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</paragraph>
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</subSubSection>
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<subSubSection id="72AF37C6FFD4FFEA5A0C8C81FBCE218F" pageId="10" pageNumber="9" type="materials_examined">
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<paragraph id="3A0A644DFFD4FFEA5A0C8C81FBFE22BD" blockId="10.[832,1521,1254,1949]" pageId="10" pageNumber="9">
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<emphasis id="08C1B85FFFD4FFEA5A0C8C81FB82220C" bold="true" box="[864,1049,1254,1280]" pageId="10" pageNumber="9">Type material</emphasis>
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—
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<materialsCitation id="8ADD6E10FFD4FFEA5D548C81FA32220D" box="[1080,1449,1254,1281]" country="Russia" county="Lochkovian" location="Pod'emnaya River" municipality="Lower Devonian" pageId="10" pageNumber="9" specimenCount="2" typeStatus="holotype">
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<typeStatus id="E50EDAEFFFD4FFEA5D548C81FB33220C" box="[1080,1192,1254,1280]" pageId="10" pageNumber="9" type="holotype">Holotype</typeStatus>
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scale LGMTI 35-360;
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</materialsCitation>
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<materialsCitation id="8ADD6E10FFD4FFEA5CC28C80FBFE22BD" country="Russia" county="Lochkovian" location="Pod'emnaya River" municipality="Lower Devonian" pageId="10" pageNumber="9" specimenCount="2" typeStatus="holotype">
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<typeStatus id="E50EDAEFFFD4FFEA5CC28C80FC1F2228" pageId="10" pageNumber="9" type="paratype">paratypes</typeStatus>
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LGMTI 35-358, 35-355, 35-354, 35-340, 35-341, 35-342, 35-350;
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<location id="3F6A3296FFD4FFEA5D7E8D4BFB69224A" LSID="urn:lsid:plazi:treatment:B21CD55BFFD4FFEB5A1C8B97FE8924ED:3F6A3296FFD4FFEA5D7E8D4BFB69224A" box="[1042,1266,1324,1350]" country="Russia" county="Lochkovian" municipality="Lower Devonian" name="Pod'emnaya River" pageId="10" pageNumber="9">Pod’emnaya River</location>
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, outcrop 67, bed 12,
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<location id="3F6A3296FFD4FFEA5A2C8D37FB012266" LSID="urn:lsid:plazi:treatment:B21CD55BFFD4FFEB5A1C8B97FE8924ED:3F6A3296FFD4FFEA5A2C8D37FB012266" box="[832,1178,1360,1386]" country="Russia" county="Lochkovian" municipality="Lower Devonian" name="October Revolution Island" pageId="10" pageNumber="9">October Revolution Island</location>
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,
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<location id="3F6A3296FFD4FFEA5DC68D37FC0C2281" LSID="urn:lsid:plazi:treatment:B21CD55BFFD4FFEB5A1C8B97FE8924ED:3F6A3296FFD4FFEA5DC68D37FC0C2281" country="Russia" county="Lochkovian" municipality="Lower Devonian" name="Severnaya Zemlya Archipelago" pageId="10" pageNumber="9">Severnaya Zemlya Archipelago</location>
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,
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<collectingCountry id="42A224DDFFD4FFEA5ACA8D14FC672281" box="[934,1020,1395,1421]" name="Russia" pageId="10" pageNumber="9">Russia</collectingCountry>
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,
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<location id="3F6A3296FFD4FFEA5D678D14FA132281" LSID="urn:lsid:plazi:treatment:B21CD55BFFD4FFEB5A1C8B97FE8924ED:3F6A3296FFD4FFEA5D678D14FA132281" box="[1035,1416,1395,1421]" country="Russia" county="Lochkovian" municipality="Lower Devonian" name="Severnaya Zemlya Formation" pageId="10" pageNumber="9">Severnaya Zemlya Formation</location>
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(
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<collectingMunicipality id="DA6EFE37FFD4FFEA5CF78D14FC2322BC" pageId="10" pageNumber="9">Lower Devonian</collectingMunicipality>
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,
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<collectingCounty id="D36B1CC1FFD4FFEA5AAF8DF1FBC222BD" box="[963,1113,1430,1457]" pageId="10" pageNumber="9">Lochkovian</collectingCounty>
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).
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</materialsCitation>
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</paragraph>
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<paragraph id="3A0A644DFFD4FFEA5A0C8DDEFBCE218F" blockId="10.[832,1521,1254,1949]" pageId="10" pageNumber="9">
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<emphasis id="08C1B85FFFD4FFEA5A0C8DDEFBFE22DF" bold="true" box="[864,1125,1465,1491]" pageId="10" pageNumber="9">Referred specimens</emphasis>
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—Scales at levels 513’ (
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<quantity id="FD4DC9A8FFD4FFEA5C178DDEFA7922D8" box="[1403,1506,1465,1492]" metricMagnitude="2" metricUnit="m" metricValue="1.564" pageId="10" pageNumber="9" unit="m" value="156.4">156.4 m</quantity>
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), 549’ (
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||
<quantity id="FD4DC9A8FFD4FFEA5AE88DBBFC7722FB" box="[900,1004,1500,1527]" metricMagnitude="2" metricUnit="m" metricValue="1.673" pageId="10" pageNumber="9" unit="m" value="167.3">167.3 m</quantity>
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), 554.5’ (169.0 m), and 556.5’ (
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<quantity id="FD4DC9A8FFD4FFEA5C0E8DBBFA5122FB" box="[1378,1482,1500,1527]" metricMagnitude="2" metricUnit="m" metricValue="1.696" pageId="10" pageNumber="9" unit="m" value="169.6">169.6 m</quantity>
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) in the BC II section, including three scales at 556.5’ (Suppl. 1, fig. 22), and AMF 97961, 97962 (both level 513’=
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<quantity id="FD4DC9A8FFD4FFEA5CC58E44FCC0216D" metricMagnitude="2" metricUnit="m" metricValue="1.564" pageId="10" pageNumber="9" unit="m" value="156.4">156.4 m</quantity>
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||
), figured by
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<bibRefCitation id="5E2419BCFFD4FFEA5A928E21FB3C216D" author="Parkes, R." box="[1022,1191,1606,1633]" pageId="10" pageNumber="9" refId="ref25224" refString="Parkes, R. 1995. Late Silurian - Early Devonian vertebrate microremains from Nevada and southeastern Australia: biochronology, biogeography and application of novel histological techniques. Unpublished B. Sc. (Hons) thesis, Macquarie University, Sydney, NSW." type="book" year="1995">Parkes (1995</bibRefCitation>
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, fig. 33.9–33.12): Roberts Mountains Formation.
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</paragraph>
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</subSubSection>
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||
<subSubSection id="72AF37C6FFD4FFEB5A0C8EEBFE8924ED" lastPageId="11" lastPageNumber="10" pageId="10" pageNumber="9" type="description">
|
||
<paragraph id="3A0A644DFFD4FFEB5A0C8EEBFEAB26A2" blockId="10.[832,1521,1254,1949]" lastBlockId="11.[112,801,193,993]" lastPageId="11" lastPageNumber="10" pageId="10" pageNumber="9">
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||
<emphasis id="08C1B85FFFD4FFEA5A0C8EEBFB9E21AA" bold="true" box="[864,1029,1676,1702]" pageId="10" pageNumber="9">Description</emphasis>
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—Scales from level 556.3’ (
|
||
<quantity id="FD4DC9A8FFD4FFEA5C188EEBFA7C21AB" box="[1396,1511,1676,1703]" metricMagnitude="2" metricUnit="m" metricValue="1.696" pageId="10" pageNumber="9" unit="m" value="169.6">169.6 m</quantity>
|
||
) strongly resemble flank scales from the
|
||
<typeStatus id="E50EDAEFFFD4FFEA5C4A8ED7FAC421C6" box="[1318,1375,1712,1738]" pageId="10" pageNumber="9">type</typeStatus>
|
||
, articulated specimens of
|
||
<taxonomicName id="FDB51FCEFFD4FFEA5A848EB4FA9621E1" baseAuthorityName="VALIUKEVICIUS" baseAuthorityYear="1992" box="[1000,1293,1745,1775]" family="Poracanthodidae" genus="Zemlyacanthus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="10" pageNumber="9" phylum="Chordata" rank="species" species="menneri">
|
||
<emphasis id="08C1B85FFFD4FFEA5A848EB4FA9621E1" box="[1000,1293,1745,1775]" italics="true" pageId="10" pageNumber="9">Zemlyacanthus menneri</emphasis>
|
||
</taxonomicName>
|
||
, showing overlapping apposed crown growth zones extending back from close to the anterior margin of the scale crown (
|
||
<figureCitation id="A28E78C8FFD4FFEA5C1E8F7EFA7F203F" box="[1394,1508,1817,1843]" captionStart="Figure 3" captionStartId="12.[112,191,1493,1517]" captionTargetBox="[112,1520,272,1460]" captionTargetId="figure-277@12.[112,1520,272,1460]" captionTargetPageId="12" captionText="Figure 3. Poracanthodid and ischnacanthid acanthodian scales from Upper Silurian levels of the Birch Creek II section. A–E,?F,?G. Gomphonchoporus hoppei: A. UCR 949-1 (level 567.3') in crown view (from Supplement 1, fig. 24); B. UCR 944-11 (level 527.25') in laterocrown view; C, D. UCR 5439-2 (level 549') in anterocrown and laterocrown views; E. UCR 5439-3 (level 549') in basal view; F. UCR 5439-7 (level 549') in crown view; G. UCR 5439-1 (level 549') in anterocrown view. H–J. Zemlyacanthus menneri: UCR 10815-1, 2, 3 (level 556.5'), in crown views (from Supplement 1, fig. 22). M–P. Trundlelepis cervicostulata: K, L. UCR 10768-4 (level 518.3') in anterior and lateral views; M. UCR 944-17 (level 527.25') in crown view; N. UCR 944-3 (level 527.25') in crown view; O. UCR 944-23 (level 527.25'), vertical longitudinal thin section; P. UCR 944-22 (level 527.25'), horizontal thin section through crown. Q, R. Poracanthodidae gen., sp. indet. sensory line scale UCR 930-3 (level 395') in crown and posterior views. S-V. Gomphonchus sandelensis: S, T. UCR 10746-11 (level 430.5') in crown and lateral views; U,V. UCR 930-7 (level 395') in antero- and posterocrown views. W–Z. Gomphonchus mediocostatus: W. UCR 944-6 (level 527.25') in crown view; X. UCR 944-16 (level 527.25') in crown view; Y. UCR 942-1 (level 526') in crown view (from Supplement 1, fig. 20); Z. UCR 944-19 (level 527.25') in laterocrown view. Abbreviations: cgz=crown growth zones; dt=dentine tubules; h=hyphal borings; vc=vertical canals. Scale bars=0.1 mm, anterior of scale" figureDoi="http://doi.org/10.5281/zenodo.10913565" httpUri="https://zenodo.org/record/10913565/files/figure.png" pageId="10" pageNumber="9">Fig.3H–J</figureCitation>
|
||
). This anterior margin lacks well-formed ridges, with just a few short low rounded ridges occasionally present near the middle of the margin. The apposed growth zones forming the crown are denticulated, particularly in the larger more posterior zones, and sometimes comprise lines of slits/overlaps, rather than having uninterrupted overlaps. There is a sharp rim between the neck and base of the scale, with the latter protruding slightly in front of the crown. The convex base and concave neck are of similar heights.
|
||
</paragraph>
|
||
<paragraph id="3A0A644DFFD5FFEB59FC89D0FE8924ED" blockId="11.[112,801,193,993]" pageId="11" pageNumber="10">
|
||
<emphasis id="08C1B85FFFD5FFEB59FC89D0FEA826DD" bold="true" box="[144,307,439,465]" pageId="11" pageNumber="10">Comparison</emphasis>
|
||
—Some scales represented in the BC II samples closely resemble those from the
|
||
<typeStatus id="E50EDAEFFFD5FFEB5B3689BCFD0A26F9" box="[602,657,475,501]" pageId="11" pageNumber="10">type</typeStatus>
|
||
, articulated fishes (
|
||
<bibRefCitation id="5E2419BCFFD5FFEB59A78999FE2C2514" author="Valiukevicius, J. J." box="[203,439,510,536]" pageId="11" pageNumber="10" refId="ref26180" refString="Valiukevicius, J. J. 1992. First articulated Poracanthodes from the Lower Devonian of Severnaya Zemlya. Pp. 193 - 214 in E. Mark-Kurik (ed.). Fossil Fishes as Living Animals. Academia 1, Academy of Sciences of Estonia, Tallinn." type="book" year="1992">Valiukevičius 1992</bibRefCitation>
|
||
, pl. 10) from the Lochkovian of October Revolution Island. Those BC II scales (
|
||
<figureCitation id="A28E78C8FFD5FFEB5B9D8A46FF342552" captionStart="Figure 3" captionStartId="12.[112,191,1493,1517]" captionTargetBox="[112,1520,272,1460]" captionTargetId="figure-277@12.[112,1520,272,1460]" captionTargetPageId="12" captionText="Figure 3. Poracanthodid and ischnacanthid acanthodian scales from Upper Silurian levels of the Birch Creek II section. A–E,?F,?G. Gomphonchoporus hoppei: A. UCR 949-1 (level 567.3') in crown view (from Supplement 1, fig. 24); B. UCR 944-11 (level 527.25') in laterocrown view; C, D. UCR 5439-2 (level 549') in anterocrown and laterocrown views; E. UCR 5439-3 (level 549') in basal view; F. UCR 5439-7 (level 549') in crown view; G. UCR 5439-1 (level 549') in anterocrown view. H–J. Zemlyacanthus menneri: UCR 10815-1, 2, 3 (level 556.5'), in crown views (from Supplement 1, fig. 22). M–P. Trundlelepis cervicostulata: K, L. UCR 10768-4 (level 518.3') in anterior and lateral views; M. UCR 944-17 (level 527.25') in crown view; N. UCR 944-3 (level 527.25') in crown view; O. UCR 944-23 (level 527.25'), vertical longitudinal thin section; P. UCR 944-22 (level 527.25'), horizontal thin section through crown. Q, R. Poracanthodidae gen., sp. indet. sensory line scale UCR 930-3 (level 395') in crown and posterior views. S-V. Gomphonchus sandelensis: S, T. UCR 10746-11 (level 430.5') in crown and lateral views; U,V. UCR 930-7 (level 395') in antero- and posterocrown views. W–Z. Gomphonchus mediocostatus: W. UCR 944-6 (level 527.25') in crown view; X. UCR 944-16 (level 527.25') in crown view; Y. UCR 942-1 (level 526') in crown view (from Supplement 1, fig. 20); Z. UCR 944-19 (level 527.25') in laterocrown view. Abbreviations: cgz=crown growth zones; dt=dentine tubules; h=hyphal borings; vc=vertical canals. Scale bars=0.1 mm, anterior of scale" figureDoi="http://doi.org/10.5281/zenodo.10913565" httpUri="https://zenodo.org/record/10913565/files/figure.png" pageId="11" pageNumber="10">Fig. 3F, G</figureCitation>
|
||
), tentatively assigned to
|
||
<taxonomicName id="FDB51FCEFFD5FFEB588E8A23FE91258D" authority="(Gross 1947)" baseAuthorityName="GROSS" baseAuthorityYear="1947" genus="Gomphonchoporus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="11" pageNumber="10" phylum="Chordata" rank="species" species="hoppei">
|
||
<emphasis id="08C1B85FFFD5FFEB588E8A23FD1C2324" italics="true" pageId="11" pageNumber="10">
|
||
Gomphonchoporus hoppei (
|
||
<bibRefCitation id="5E2419BCFFD5FFEB59178A00FE91258D" author="Gross, W." box="[123,266,615,641]" pageId="11" pageNumber="10" pagination="91 - 161" refId="ref23372" refString="Gross, W. 1947. Die Agnathen und Acanthodier des obersilurischen Beyrichienkalks. Palaeontographica Abt. A 96: 91 - 161." type="journal article" year="1947">
|
||
Gross
|
||
<emphasis id="08C1B85FFFD5FFEB59A58A00FE632363" italics="true" pageId="11" pageNumber="10">
|
||
<taxonomicName id="FDB51FCEFFD5FFEB59A58A00FE8E258E" authority="Burrow, 1997" authorityName="Burrow" authorityYear="1997" box="[201,277,615,642]" genus="Trundlelepis" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="11" pageNumber="10" phylum="Chordata" rank="species" species="cervicostulata">1947)</taxonomicName>
|
||
, are similar to some of the smaller scales on the
|
||
<typeStatus id="E50EDAEFFFD5FFEB59AE8AECFF6225A9" box="[194,249,651,677]" pageId="11" pageNumber="10">type</typeStatus>
|
||
<emphasis id="08C1B85FFFD5FFEB59928AEEFEE525A9" box="[254,382,649,677]" italics="true" pageId="11" pageNumber="10">Z. menneri</emphasis>
|
||
fish (
|
||
<bibRefCitation id="5E2419BCFFD5FFEB58AC8AEDFD3125A9" author="Valiukevicius, J. J." box="[448,682,650,677]" pageId="11" pageNumber="10" refId="ref26180" refString="Valiukevicius, J. J. 1992. First articulated Poracanthodes from the Lower Devonian of Severnaya Zemlya. Pp. 193 - 214 in E. Mark-Kurik (ed.). Fossil Fishes as Living Animals. Academia 1, Academy of Sciences of Estonia, Tallinn." type="book" year="1992">Valiukevičius 1992</bibRefCitation>
|
||
, pl. 10.8), and they are found at the same level as the scales readily assigned to
|
||
<emphasis id="08C1B85FFFD5FFEB58678AA8FE0B25E7" box="[267,400,719,747]" italics="true" pageId="11" pageNumber="10">Z. menneri</emphasis>
|
||
. Overlap of scale morphotypes between different taxa is a common problem in taxonomy based on isolated scales, particularly when samples are rich in taxa but poor in numbers. Also, recognition that both scales with and without a pore canal system can belong to a poracanthodid species (e.g.,
|
||
<bibRefCitation id="5E2419BCFFD5FFEB5BFD8BE6FF5B24B2" author="Vergoossen, J. M. J." pageId="11" pageNumber="10" pagination="231 - 251" refId="ref26647" refString="Vergoossen, J. M. J. 1999 a. Late Silurian fish microfossils from an East Baltic-derived erratic from Oosterhaule, with a description of new acanthodian taxa. Geologie en Minjbouw 78: 231 - 251." type="journal article" year="1999">Vergoossen 1999a</bibRefCitation>
|
||
,
|
||
<bibRefCitation id="5E2419BCFFD5FFEB59BD8BC2FEE524B2" author="Burrow, C. J." box="[209,382,932,959]" pageId="11" pageNumber="10" pagination="945 - 954" refId="ref22504" refString="Burrow, C. J. 2013. Reassessment of Ischnacanthus? scheii Spjeldnaes (Acanthodii, Ischnacanthiformes) from the latest Silurian or earliest Devonian of Ellesmere Island, arctic Canada. Canadian Journal of Earth Sciences 50 (8): 945 - 954." type="journal article" year="2013">Burrow 2013</bibRefCitation>
|
||
) further complicates taxonomic assignments.
|
||
<subSection id="533A7DA6FFD5FFEB58658C69FF2C239E" pageId="11" pageNumber="10" type="multiple">
|
||
<paragraph id="3A0A644DFFD5FFEB58658C69FD1C2324" blockId="11.[265,647,1038,1066]" box="[265,647,1038,1066]" pageId="11" pageNumber="10">
|
||
<heading id="6142D321FFD5FFEB58658C69FD1C2324" allCaps="true" box="[265,647,1038,1066]" centered="true" fontSize="11" level="1" pageId="11" pageNumber="10" reason="1">
|
||
<emphasis id="08C1B85FFFD5FFEB58658C69FE502326" box="[265,459,1038,1066]" italics="true" pageId="11" pageNumber="10">TRUNDLELEPIS</emphasis>
|
||
<bibRefCitation id="5E2419BCFFD5FFEB58BD8C69FD1C2324" author="Burrow, C. J." box="[465,647,1038,1064]" pageId="11" pageNumber="10" pagination="43 - 77" refId="ref22336" refString="Burrow, C. J. 1997. Microvertebrate assemblages from the Lower Devonian (pesavis / sulcatus zones) of central New South Wales, Australia. Modern Geology 21: 43 - 77." type="journal article" year="1997">BURROW, 1997</bibRefCitation>
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="3A0A644DFFD5FFEB59FC8C33FF2C239E" blockId="11.[112,800,1107,1170]" pageId="11" pageNumber="10">
|
||
<emphasis id="08C1B85FFFD5FFEB59FC8C33FEDA2362" bold="true" box="[144,321,1108,1134]" pageId="11" pageNumber="10">
|
||
<typeStatus id="E50EDAEFFFD5FFEB59FC8C33FF482362" box="[144,211,1108,1134]" pageId="11" pageNumber="10">Type</typeStatus>
|
||
species
|
||
</emphasis>
|
||
—Trundlelepis cervicostulata
|
||
<bibRefCitation id="5E2419BCFFD5FFEB5BD78C32FCBB2363" author="Burrow, C. J." box="[699,800,1109,1135]" pageId="11" pageNumber="10" pagination="43 - 77" refId="ref22336" refString="Burrow, C. J. 1997. Microvertebrate assemblages from the Lower Devonian (pesavis / sulcatus zones) of central New South Wales, Australia. Modern Geology 21: 43 - 77." type="journal article" year="1997">Burrow,</bibRefCitation>
|
||
1997.
|
||
</paragraph>
|
||
</subSection>
|
||
</emphasis>
|
||
</bibRefCitation>
|
||
</emphasis>
|
||
</taxonomicName>
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |