197 lines
36 KiB
XML
197 lines
36 KiB
XML
<document id="46D269968852591FC51DDD8FCC58ECE4" 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="B21CD55BFFD7FFEA5AFB8DFBFBE327D1" 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="Gomphonchoporus hoppei" docType="treatment" docVersion="6" lastPageNumber="9" 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="8" updateTime="1717597860775" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-NC-SA-4.0">
|
||
<mods:mods id="5E56AC7654499803032C77E89B11F429" xmlns:mods="http://www.loc.gov/mods/v3">
|
||
<mods:titleInfo id="952D0A4D613D6FCB609CD5B552EEE038">
|
||
<mods:title id="C3918FDFC21E0AA2D52792F530F1B6E4">Late Silurian to earliest Devonian vertebrate biostratigraphy of the Birch Creek II section, Roberts Mountains, Nevada, U. S. A.</mods:title>
|
||
</mods:titleInfo>
|
||
<mods:name id="E845376D76C4FAD152E9212ACF6A2C78" type="personal">
|
||
<mods:role id="0C70DE4227E2BCA7C5C5C3A4DC0355E4">
|
||
<mods:roleTerm id="D5809896C65636AD22DBF0DDC3EF5510">Author</mods:roleTerm>
|
||
</mods:role>
|
||
<mods:namePart id="8BE083C97ABB6D00B167F70576C16F5D">Burrow, Carole Jan</mods:namePart>
|
||
</mods:name>
|
||
<mods:name id="AC93753A5350A4D6B9C8A41B35984A6D" type="personal">
|
||
<mods:role id="12FBAA2D07860594F2869C3DA19C9FB9">
|
||
<mods:roleTerm id="6751EB9EF9DF5CEE5691FB12E21493A1">Author</mods:roleTerm>
|
||
</mods:role>
|
||
<mods:namePart id="C5A06EE259F30BF98B17D762C77600DE">Murphy, Michael</mods:namePart>
|
||
</mods:name>
|
||
<mods:name id="80401A75E9A64B379EA3424B464A7597" type="personal">
|
||
<mods:role id="7834BC657203E3E8B66865BA81B85381">
|
||
<mods:roleTerm id="C4D22E226541354B31EB77F4E31B80C0">Author</mods:roleTerm>
|
||
</mods:role>
|
||
<mods:namePart id="4BA157B484D1DC79E86D546768FA5B78">Turner, Susan</mods:namePart>
|
||
</mods:name>
|
||
<mods:typeOfResource id="785D829EA39A9E1966C2AC1B6D322E48">text</mods:typeOfResource>
|
||
<mods:relatedItem id="7C8072E3C5AC411E7F85EA689F3F3813" type="host">
|
||
<mods:titleInfo id="5CC44B03F012E22812C81CCBD4E875D4">
|
||
<mods:title id="9A8055DAF491E76BADB3670CA0C3C174">PaleoBios</mods:title>
|
||
</mods:titleInfo>
|
||
<mods:part id="75D16FBA667D251685B7CF06534384BC">
|
||
<mods:date id="9CF6EE33AEECF29A5E4575BF286233F4">2023</mods:date>
|
||
<mods:detail id="9C47944DE7F4E9641B27A5ABE8FFFFCC" type="pubDate">
|
||
<mods:number id="89AF573FBFB8C5D41CF77842348CB284">2023-06-06</mods:number>
|
||
</mods:detail>
|
||
<mods:detail id="35A475DB25786B8508483740FCB0788D" type="volume">
|
||
<mods:number id="A2E7AB30EBE75E414384084379D66911">40</mods:number>
|
||
</mods:detail>
|
||
<mods:detail id="A59D1335DD6E19284A8FE39604FBFF0C" type="issue">
|
||
<mods:number id="5181AE62F82D8DDCF2B05159D01457F6">1975</mods:number>
|
||
</mods:detail>
|
||
<mods:extent id="4E474F9AA8E6BDD3DC58EA5E6BDFF927" unit="page">
|
||
<mods:start id="406A25CCE510D0089BC02466670F1167">1</mods:start>
|
||
<mods:end id="33FA011CF5C43DB8947A8399180FA861">32</mods:end>
|
||
</mods:extent>
|
||
</mods:part>
|
||
</mods:relatedItem>
|
||
<mods:location id="5E33E9959E56B0E91F6BE55DCFD0F1E7">
|
||
<mods:url id="99E29BA10AAEF7D355D23AF249690736">http://dx.doi.org/10.5070/p940454153</mods:url>
|
||
</mods:location>
|
||
<mods:classification id="B9E304CC9AC30086C740B46B27779CBC">journal article</mods:classification>
|
||
<mods:identifier id="2C4AE99331D6284A73BE0EF5B579E6F5" type="DOI">10.5070/P940454153</mods:identifier>
|
||
<mods:identifier id="6FF57342292E4AA99E767380F0ADC571" type="ISSN">0031-0298</mods:identifier>
|
||
<mods:identifier id="8D9983286799E412709215311113771D" type="Zenodo-Dep">10913559</mods:identifier>
|
||
<mods:identifier id="1C914E8E67E34C87EF40894668A88F4F" type="ZooBank">58312615-0833-432E-BF5D-3DFFBF361AAA</mods:identifier>
|
||
</mods:mods>
|
||
<treatment id="B21CD55BFFD7FFEA5AFB8DFBFBE327D1" ID-DOI="http://doi.org/10.5281/zenodo.11488277" ID-Zenodo-Dep="11488277" LSID="urn:lsid:plazi:treatment:B21CD55BFFD7FFEA5AFB8DFBFBE327D1" httpUri="http://treatment.plazi.org/id/B21CD55BFFD7FFEA5AFB8DFBFBE327D1" lastPageId="10" lastPageNumber="9" pageId="9" pageNumber="8">
|
||
<subSubSection id="72AF37C6FFD7FFE95AFB8DFBFA0222BA" box="[919,1433,1436,1462]" pageId="9" pageNumber="8" type="nomenclature">
|
||
<paragraph id="3A0A644DFFD7FFE95AFB8DFBFA0222BA" blockId="9.[868,1484,1436,1533]" box="[919,1433,1436,1462]" pageId="9" pageNumber="8">
|
||
<heading id="6142D321FFD7FFE95AFB8DFBFA0222BA" allCaps="true" box="[919,1433,1436,1462]" centered="true" fontSize="10" level="2" pageId="9" pageNumber="8" reason="2">
|
||
<taxonomicName id="FDB51FCEFFD7FFE95AFB8DFBFA0222BA" authority="(GROSS, 1947)" baseAuthorityName="GROSS" baseAuthorityYear="1947" box="[919,1433,1436,1462]" family="Poracanthodidae" genus="Gomphonchoporus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ischnacantiformes" pageId="9" pageNumber="8" phylum="Chordata" rank="species" species="hoppei">
|
||
<emphasis id="08C1B85FFFD7FFE95AFB8DFBFB7A22BA" box="[919,1249,1436,1462]" italics="true" pageId="9" pageNumber="8">GOMPHONCHOPORUS HOPPEI</emphasis>
|
||
(
|
||
<bibRefCitation id="5E2419BCFFD7FFE95D9F8DFBFA1522BA" author="Gross, W." box="[1267,1422,1436,1462]" pageId="9" pageNumber="8" 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, 1947</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
</heading>
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="72AF37C6FFD7FFE95A088DD8FB5E22F1" pageId="9" pageNumber="8" type="description">
|
||
<paragraph id="3A0A644DFFD7FFE95A088DD8FB5E22F1" blockId="9.[868,1484,1436,1533]" pageId="9" pageNumber="8">
|
||
(
|
||
<figureCitation id="A28E78C8FFD7FFE95A078DD8FC6D22D5" box="[875,1014,1471,1497]" 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="9" pageNumber="8">FIG. 3A–3E</figureCitation>
|
||
,?3F,?3G;
|
||
<tableCitation id="773751F6FFD7FFE95D188DD8FB4D22D5" box="[1140,1238,1471,1497]" 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="9" pageNumber="8" tableUuid="6ECA34C5FFDBFFE5591C8F2AFA2520A9">TABLE 1</tableCitation>
|
||
; SUPPL. 1, FIGS. 12?, 18–25)
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="72AF37C6FFD7FFE95A0C8E4EFB9721A1" pageId="9" pageNumber="8" type="reference_group">
|
||
<paragraph id="3A0A644DFFD7FFE95A0C8E4EFA6B216A" blockId="9.[832,1520,1575,1709]" pageId="9" pageNumber="8">
|
||
<taxonomicName id="FDB51FCEFFD7FFE95A0C8E4EFA91214E" authority="Gross 1971" authorityName="Gross" authorityYear="1971" box="[864,1290,1575,1605]" family="Poracanthodidae" genus="Gomphonchus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ischnacantiformes" pageId="9" pageNumber="8" phylum="Chordata" rank="species" species="hoppei">
|
||
<emphasis id="08C1B85FFFD7FFE95A0C8E4EFBF6214F" box="[864,1133,1575,1605]" italics="true" pageId="9" pageNumber="8">Gomphonchus hoppei</emphasis>
|
||
<bibRefCitation id="5E2419BCFFD7FFE95D1B8E4FFA91214E" author="Gross, W." box="[1143,1290,1576,1602]" pageId="9" pageNumber="8" pagination="1 - 82" refId="ref23439" refString="Gross, W. 1971. Downtonische und Dittonische Acanthodier-Reste des Ostseegebietes. Palaeontographica Abt. A 136: 1 - 82." type="journal article" year="1971">Gross 1971</bibRefCitation>
|
||
</taxonomicName>
|
||
, 56–58, figs. 21C, 21D, 22E, 23, 24A–D, pl. 1.28–1.30, 2.1–2.3, 3.36, 9.4–9.9.
|
||
</paragraph>
|
||
<paragraph id="3A0A644DFFD7FFE95A0C8E08FB9721A1" blockId="9.[832,1520,1575,1709]" pageId="9" pageNumber="8">
|
||
<taxonomicName id="FDB51FCEFFD7FFE95A0C8E08FA042185" authority="Vergoossen 1999a" authorityName="Vergoossen" authorityYear="1999" box="[864,1439,1645,1675]" family="Poracanthodidae" genus="Gomphonchoporus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ischnacantiformes" pageId="9" pageNumber="8" phylum="Chordata" rank="species" species="hoppei">
|
||
<emphasis id="08C1B85FFFD7FFE95A0C8E08FB332185" box="[864,1192,1645,1675]" italics="true" pageId="9" pageNumber="8">Gomphonchoporus hoppei</emphasis>
|
||
<bibRefCitation id="5E2419BCFFD7FFE95DDE8E08FA042185" author="Vergoossen, J. M. J." box="[1202,1439,1647,1673]" pageId="9" pageNumber="8" 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>
|
||
</taxonomicName>
|
||
, 242– 244, figs. 40–57.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="72AF37C6FFD7FFEA5A0C8EBFFEA626BC" lastPageId="10" lastPageNumber="9" pageId="9" pageNumber="8" type="diagnosis">
|
||
<paragraph id="3A0A644DFFD7FFE95A0C8EBFFAA921FF" blockId="9.[832,1520,1752,1955]" box="[864,1330,1752,1779]" pageId="9" pageNumber="8">
|
||
<emphasis id="08C1B85FFFD7FFE95A0C8EBFFC7821FE" bold="true" box="[864,995,1752,1778]" pageId="9" pageNumber="8">Diagnosis</emphasis>
|
||
—see
|
||
<bibRefCitation id="5E2419BCFFD7FFE95D5C8EBEFAB721FE" author="Vergoossen, J. M. J." box="[1072,1324,1752,1779]" pageId="9" pageNumber="8" 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>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="3A0A644DFFD7FFE95A0C8E9BFC69208C" blockId="9.[832,1520,1752,1955]" pageId="9" pageNumber="8">
|
||
<emphasis id="08C1B85FFFD7FFE95A0C8E9BFBB32019" bold="true" box="[864,1064,1787,1814]" pageId="9" pageNumber="8">Type material</emphasis>
|
||
—
|
||
<typeStatus id="E50EDAEFFFD7FFE95D258E9CFB5A2019" box="[1097,1217,1787,1813]" pageId="9" pageNumber="8" type="holotype">Holotype</typeStatus>
|
||
: scale MB.f.449 (
|
||
<bibRefCitation id="5E2419BCFFD7FFE95CCB8E9BFC1A2035" author="Gross, W." pageId="9" pageNumber="8" 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 1947</bibRefCitation>
|
||
, pl. 24 fig. 7); from the Beyrichienkalk, northern
|
||
<collectingCountry id="42A224DDFFD7FFE95A2C8F25FC2E2050" box="[832,949,1858,1884]" name="Germany" pageId="9" pageNumber="8">Germany</collectingCountry>
|
||
; exact collection locality unknown (Late Silurian, Přidolí?).
|
||
</paragraph>
|
||
<paragraph id="3A0A644DFFD7FFEA5A0C8FEFFEA626BC" blockId="9.[832,1520,1752,1955]" lastBlockId="10.[112,801,193,1946]" lastPageId="10" lastPageNumber="9" pageId="9" pageNumber="8">
|
||
<emphasis id="08C1B85FFFD7FFE95A0C8FEFFBEC20AE" bold="true" box="[864,1143,1928,1954]" pageId="9" pageNumber="8">Referred specimens</emphasis>
|
||
—Scales at most levels from 513′–591.5’ (
|
||
<quantity id="FD4DC9A8FFD4FFEA587688A4FE4627D1" box="[282,477,195,222]" metricMagnitude="2" metricUnit="m" metricValue="1.6835" metricValueMax="1.803" metricValueMin="1.564" pageId="10" pageNumber="9" unit="m" value="168.35" valueMax="180.3" valueMin="156.4">156.4-180.3 m</quantity>
|
||
), and possibly level 468’ (
|
||
<quantity id="FD4DC9A8FFD4FFEA59158881FF73260D" box="[121,232,230,257]" metricMagnitude="2" metricUnit="m" metricValue="1.426" pageId="10" pageNumber="9" unit="m" value="142.6">142.6 m</quantity>
|
||
) in the BC II section, including UCR 944-11 (527.25’=
|
||
<quantity id="FD4DC9A8FFD4FFEA5984896EFED52628" box="[232,334,265,292]" metricMagnitude="2" metricUnit="m" metricValue="1.607" pageId="10" pageNumber="9" unit="m" value="160.7">160.7 m</quantity>
|
||
), UCR 5439-2, 3, UCR 5439-1, 7? (level 549’=
|
||
<quantity id="FD4DC9A8FFD4FFEA59DA894BFE87264B" box="[182,284,300,327]" metricMagnitude="2" metricUnit="m" metricValue="1.673" pageId="10" pageNumber="9" unit="m" value="167.3">167.3 m</quantity>
|
||
); and AMF 97959, 97960 (level 513’=
|
||
<quantity id="FD4DC9A8FFD4FFEA5BB5894BFF102666" metricMagnitude="2" metricUnit="m" metricValue="1.564" pageId="10" pageNumber="9" unit="m" value="156.4">156.4 m</quantity>
|
||
), figured by
|
||
<bibRefCitation id="5E2419BCFFD4FFEA584D8937FE5C2666" author="Parkes, R." box="[289,455,335,362]" 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>
|
||
, fig. 33.5–33.8, captioned as Acanthodian 1 and
|
||
<taxonomicName id="FDB51FCEFFD4FFEA580B8916FDD72681" box="[359,588,369,397]" family="Poracanthodidae" genus="Poracanthodes" kingdom="Animalia" pageId="10" pageNumber="9" phylum="Chordata" rank="species" species="undetermined">
|
||
<emphasis id="08C1B85FFFD4FFEA580B8916FD862681" box="[359,541,369,397]" italics="true" pageId="10" pageNumber="9">Poracanthodes</emphasis>
|
||
sp.
|
||
</taxonomicName>
|
||
): Roberts Mountains Formation.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="72AF37C6FFD4FFEA59FC89DEFE172438" pageId="10" pageNumber="9" type="discussion">
|
||
<paragraph id="3A0A644DFFD4FFEA59FC89DEFE172438" blockId="10.[112,801,193,1946]" pageId="10" pageNumber="9">
|
||
<emphasis id="08C1B85FFFD4FFEA59FC89DEFE9326DF" bold="true" box="[144,264,441,467]" pageId="10" pageNumber="9">Remarks</emphasis>
|
||
—As discussed by
|
||
<bibRefCitation id="5E2419BCFFD4FFEA589C89DDFD7026D8" author="Vergoossen, J. M. J." box="[496,747,441,468]" pageId="10" pageNumber="9" 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>
|
||
, the type scales described and figured by
|
||
<bibRefCitation id="5E2419BCFFD4FFEA5B5E89BAFD5126FB" author="Gross, W." box="[562,714,477,503]" pageId="10" pageNumber="9" 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 (1947</bibRefCitation>
|
||
,
|
||
<bibRefCitation id="5E2419BCFFD4FFEA5BB889BAFC8E26FB" author="Gross, W." box="[724,789,477,503]" pageId="10" pageNumber="9" pagination="1 - 82" refId="ref23439" refString="Gross, W. 1971. Downtonische und Dittonische Acanthodier-Reste des Ostseegebietes. Palaeontographica Abt. A 136: 1 - 82." type="journal article" year="1971">1971</bibRefCitation>
|
||
) were abraded, with delicate structures missing, in particular, the lateral areas of the posterior crown. For this reason,
|
||
<bibRefCitation id="5E2419BCFFD4FFEA59BE8A20FE55256D" author="Vergoossen, J. M. J." box="[210,462,582,609]" pageId="10" pageNumber="9" 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>
|
||
nominated well-preserved scales from a northern
|
||
<collectingCountry id="42A224DDFFD4FFEA58F48A0EFDA9258F" box="[408,562,617,643]" name="Netherlands" pageId="10" pageNumber="9">Netherlands</collectingCountry>
|
||
erratic as
|
||
<typeStatus id="E50EDAEFFFD4FFEA5BD68A0DFCBB2588" box="[698,800,618,644]" pageId="10" pageNumber="9" type="neotype">neotype</typeStatus>
|
||
and
|
||
<typeStatus id="E50EDAEFFFD4FFEA59C58AEAFEB325AB" box="[169,296,653,679]" pageId="10" pageNumber="9" type="paratype">paratypes</typeStatus>
|
||
. However, the type specimen is still reposited in the MB.f collection so those allocations are not valid. Being better preserved than the type scales, those from
|
||
<collectingCountry id="42A224DDFFD4FFEA586D8A91FE50241C" box="[257,459,758,784]" name="Netherlands" pageId="10" pageNumber="9">the Netherlands</collectingCountry>
|
||
erratic are more useful for comparative purposes.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="72AF37C6FFD4FFEA59FC8B5BFBE327D1" pageId="10" pageNumber="9" type="description">
|
||
<paragraph id="3A0A644DFFD4FFEA59FC8B5BFCBB21CA" blockId="10.[112,801,193,1946]" pageId="10" pageNumber="9">
|
||
<emphasis id="08C1B85FFFD4FFEA59FC8B5BFEB5245A" bold="true" box="[144,302,828,854]" pageId="10" pageNumber="9">Description</emphasis>
|
||
—Scales from BC II are comparable with the scale nominated by Vergoossen as a
|
||
<typeStatus id="E50EDAEFFFD4FFEA5B3A8B07FD202476" box="[598,699,864,890]" pageId="10" pageNumber="9" type="neotype">neotype</typeStatus>
|
||
(1999a, pl. 4.42–4.44) and have numerous ridges leading back from the anterior margin (
|
||
<figureCitation id="A28E78C8FFD4FFEA58DF8BC1FD9624CC" box="[435,525,934,960]" 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. 3A</figureCitation>
|
||
), whereas others have a shallow median sulcus running back from the anterior edge of the crown to the level of the lateral corners, and only a few short low ridges running back from the anterior margin (
|
||
<figureCitation id="A28E78C8FFD4FFEA583D8C54FE752341" box="[337,494,1075,1101]" 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">Figs. 3A–3D</figureCitation>
|
||
,?3F,?3G). The straight anterior edges of the crown meet at an acute angle. The posterior crown is formed of appositional growth zones, expressed on the surface as long slits paralleling the straight posterolateral edges of the crown, or with more anterior growth zones appearing to overlap the growth zone behind (
|
||
<figureCitation id="A28E78C8FFD4FFEA58E88D61FE78222C" box="[388,483,1286,1312]" 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. 3A</figureCitation>
|
||
). Few of the BC II scales have the posterolateral edges preserved, but at least one scale (
|
||
<bibRefCitation id="5E2419BCFFD4FFEA59D28D2BFEC2226B" author="Parkes, R." box="[190,345,1356,1383]" 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>
|
||
, fig. 33.5, 33.6) has the close-set denticulations that are visible on the well-preserved scales figured by
|
||
<bibRefCitation id="5E2419BCFFD4FFEA599C8DF4FE7C22A1" author="Vergoossen, J. M. J." box="[240,487,1427,1453]" pageId="10" pageNumber="9" 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>
|
||
. The scale neck is concave all round, and of comparable height to the base, with a marked rim separating neck and base. A strong median ridge rises from the posterior base towards the lower surface of the crown (
|
||
<figureCitation id="A28E78C8FFD4FFEA58EE8E47FE662136" box="[386,509,1568,1594]" 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. 3A, B</figureCitation>
|
||
), and the undersurface of the posterior crown (
|
||
<figureCitation id="A28E78C8FFD4FFEA58CD8E24FE672151" box="[417,508,1603,1629]" 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. 3E</figureCitation>
|
||
) shows the wide canal openings that typify poracanthodid scales. Some scales with relatively long aligned slits on the posterior crown surface (
|
||
<figureCitation id="A28E78C8FFD4FFEA59BB8ECBFEDD21CB" box="[215,326,1708,1735]" 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. 3F, G</figureCitation>
|
||
) are tentatively assigned to the species.
|
||
</paragraph>
|
||
<paragraph id="3A0A644DFFD4FFEA59FC8EA8FBE327D1" blockId="10.[112,801,193,1946]" lastBlockId="10.[832,1144,193,223]" pageId="10" pageNumber="9">
|
||
<emphasis id="08C1B85FFFD4FFEA59FC8EA8FEAF21E5" bold="true" box="[144,308,1743,1769]" pageId="10" pageNumber="9">Comparison</emphasis>
|
||
—Some scales approach the morphology of small (fin?) scales from
|
||
<taxonomicName id="FDB51FCEFFD4FFEA58958E94FCBB2001" baseAuthorityName="VALIUKEVICIUS" baseAuthorityYear="1992" box="[505,800,1777,1807]" family="Poracanthodidae" genus="Zemlyacanthus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="10" pageNumber="9" phylum="Chordata" rank="species" species="menneri">
|
||
<emphasis id="08C1B85FFFD4FFEA58958E94FCBB2001" box="[505,800,1777,1807]" italics="true" pageId="10" pageNumber="9">Zemlyacanthus menneri</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<bibRefCitation id="5E2419BCFFD4FFEA59178F71FEFB203C" author="Valiukevicius, J. J." box="[123,352,1814,1840]" 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>
|
||
, pl. 10.6–10.8), but only have straight slits and pore openings in the posterior area of the crown, rather than zigzag slits extending close to the anterior margin that characterize
|
||
<taxonomicName id="FDB51FCEFFD4FFEA58CA8F19FDBE2096" baseAuthorityName="VALIUKEVICIUS" baseAuthorityYear="1992" box="[422,549,1918,1946]" family="Poracanthodidae" genus="Zemlyacanthus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="10" pageNumber="9" phylum="Chordata" rank="species" species="menneri">
|
||
<emphasis id="08C1B85FFFD4FFEA58CA8F19FDBE2096" box="[422,549,1918,1946]" italics="true" pageId="10" pageNumber="9">Z. menneri</emphasis>
|
||
</taxonomicName>
|
||
, and so are assigned on this basis to
|
||
<taxonomicName id="FDB51FCEFFD4FFEA5D6E88A4FBE927D1" authorityName="Vergoossen" authorityYear="1999" box="[1026,1138,193,223]" genus="Gomphonchoporus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="10" pageNumber="9" phylum="Chordata" rank="species" species="hoppei">
|
||
<emphasis id="08C1B85FFFD4FFEA5D6E88A4FBE927D1" box="[1026,1138,193,223]" italics="true" pageId="10" pageNumber="9">G. hoppei</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |