799 lines
101 KiB
XML
799 lines
101 KiB
XML
<document id="39A119704D8AC4C321320A81C219288F" ID-CLB-Dataset="298388" ID-DOI="10.5194/fr-18-81-2015" ID-GBIF-Dataset="49a593d2-44ce-420d-a608-8533ec6745ac" ID-ISSN="2193-0074" ID-Zenodo-Dep="11585625" IM.bibliography_approvedBy="carolina" IM.illustrations_approvedBy="carolina" IM.materialsCitations_approvedBy="carolina" IM.metadata_approvedBy="felipe" IM.tables_approvedBy="carolina" IM.taxonomicNames_approvedBy="carolina" IM.treatments_approvedBy="carolina" checkinTime="1716844663622" checkinUser="felipe" docAuthor="Titus, A. L., Korn, D., Harrell, J. E. & Lambert, L. L." docDate="2015" docId="039287BEFC53FFBFFFA9FEE5FDE2FB10" docLanguage="en" docName="FossRec.18.2.81-104.pdf" docOrigin="Fossil Record 18 (2)" docSource="http://dx.doi.org/10.5194/fr-18-81-2015" docStyle="DocumentStyle:1B3764FFAC190C6D25C29F616DE4358D.2:FossRec.2014-2021.journal_article" docStyleId="1B3764FFAC190C6D25C29F616DE4358D" docStyleName="FossRec.2014-2021.journal_article" docStyleVersion="2" docTitle="Choctawites cumminsi" docType="treatment" docVersion="7" lastPageNumber="100" masterDocId="FFABFFC6FC5CFFACFFD5FFF5FFC9FF94" masterDocTitle="Late Viséan (late Mississippian) ammonoids from the Barnett Shale, Sierra Diablo Escarpment, Culberson County, Texas, USA" masterLastPageNumber="104" masterPageNumber="81" pageNumber="96" updateTime="1718152557931" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0">
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<mods:title id="9558CF1DB8E3C23FD671A7456AD7A512">Late Viséan (late Mississippian) ammonoids from the Barnett Shale, Sierra Diablo Escarpment, Culberson County, Texas, USA</mods:title>
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<mods:name id="55706DB3F0E7ACB3BCA6C7D1F5AF7BDF" type="personal">
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<mods:namePart id="BE88236F9DEED28A3FF015E5E1710344">Titus, A. L.</mods:namePart>
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<mods:affiliation id="E494A948BB7484B2736BD81AF900214C">D. Korn & Grand Staircase-Escalante National Monument, 669 S. Highway 89 A, Kanab, UT 84741, USA</mods:affiliation>
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<mods:namePart id="170533B7037CBBDF3C53C56CFF52F804">Korn, D.</mods:namePart>
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<mods:affiliation id="7E02F66C0F80C0DB413B0948E7D7CD3D">J. E. Harrell & Museum für Naturkunde, Leibniz Institute for Evolution and Biodiversity Science, Invalidenstrasse 43,</mods:affiliation>
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<mods:namePart id="168B3211B911530CCB48A6ABC5C4F637">Harrell, J. E.</mods:namePart>
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<mods:affiliation id="15218077A96858A436ABA4DDADCF1A4A">L. L. Lambert & Noble Energy Inc., Houston, TX 77070, USA</mods:affiliation>
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<mods:namePart id="52551AE5DA7328C913BDEB6E0E4C652E">Lambert, L. L.</mods:namePart>
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<mods:affiliation id="36EB99B55BC61CEF141B1884707F923A">Department of Geological Sciences, The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249, USA</mods:affiliation>
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<mods:title id="307CB26A9882DA4AF89003FBF0982B19">Fossil Record</mods:title>
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<mods:date id="EBB002F1ACB0A9FC704C57C5DFA219DA">2015</mods:date>
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<mods:number id="89E35BF54393EF4F771BAAE1A5AFB655">2015-06-04</mods:number>
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<treatment id="039287BEFC53FFBFFFA9FEE5FDE2FB10" ID-DOI="http://doi.org/10.5281/zenodo.11587164" ID-GBIF-Taxon="232732007" ID-Zenodo-Dep="11587164" LSID="urn:lsid:plazi:treatment:039287BEFC53FFBFFFA9FEE5FDE2FB10" httpUri="http://treatment.plazi.org/id/039287BEFC53FFBFFFA9FEE5FDE2FB10" lastPageId="19" lastPageNumber="100" pageId="15" pageNumber="96">
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<subSubSection id="C3216523FC53FFA3FFA9FEE5FD33FEBC" box="[124,762,272,296]" pageId="15" pageNumber="96" type="nomenclature">
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<paragraph id="8B8436A8FC53FFA3FFA9FEE5FD33FEBC" blockId="15.[124,762,272,296]" box="[124,762,272,296]" pageId="15" pageNumber="96">
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<heading id="D0CC81C4FC53FFA3FFA9FEE5FD33FEBC" box="[124,762,272,296]" centered="true" fontSize="10" level="2" pageId="15" pageNumber="96" reason="4">
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<emphasis id="B94FEABAFC53FFA3FFA9FEE5FD33FEBC" bold="true" box="[124,762,272,296]" pageId="15" pageNumber="96">
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<taxonomicName id="4C3B4D2BFC53FFA3FFA9FEE5FDC7FEBC" ID-CoL="69YLY" authority="(Hyatt, 1893)" baseAuthorityName="Hyatt" baseAuthorityYear="1893" box="[124,526,272,296]" class="Cephalopoda" family="Delepinoceratidae" genus="Choctawites" kingdom="Animalia" order="Goniatitida" pageId="15" pageNumber="96" phylum="Mollusca" rank="species" species="cumminsi">
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<emphasis id="B94FEABAFC53FFA3FFA9FEE5FEBAFEBC" bold="true" box="[124,371,272,296]" italics="true" pageId="15" pageNumber="96">Choctawites cumminsi</emphasis>
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(
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||
<bibRefCitation id="EFAA4B59FC53FFA3FE54FEE5FDC1FEBC" author="Hyatt, A." box="[385,520,272,296]" pageId="15" pageNumber="96" pagination="379 - 474" refId="ref16944" refString="Hyatt, A.: Carboniferous cephalopods, second paper, 4 th Annual Report of the Geological Survey of Texas, 327 - 356, 379 - 474, 1893." type="journal article" year="1893">Hyatt, 1893</bibRefCitation>
|
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)
|
||
</taxonomicName>
|
||
(
|
||
<figureCitation id="13002A2DFC53FFA3FDC8FEE5FD56FEBC" box="[541,671,272,296]" captionStart="Figure 11" captionStartId="15.[819,886,964,986]" captionTargetBox="[844,1452,181,922]" captionTargetId="figure-483@15.[826,1456,177,933]" captionTargetPageId="15" captionText="Figure 11. Choctawites cumminsi (Hyatt, 1893) from bed 25 (sample 00TXCU-27) of the Figure 2 Ranch section; both × 2.5. (a) Specimen NPL 68497. (b) Specimen NPL 68498." figureDoi="http://doi.org/10.5281/zenodo.11585647" httpUri="https://zenodo.org/record/11585647/files/figure.png" pageId="15" pageNumber="96">Figs. 11a, b</figureCitation>
|
||
and
|
||
<figureCitation id="13002A2DFC53FFA3FD02FEE5FD3AFEBC" box="[727,755,272,296]" captionStart="Figure 12" captionStartId="16.[124,191,1182,1204]" captionTargetBox="[170,1418,178,1143]" captionTargetId="graphics-23@16.[170,900,650,1137]" captionTargetPageId="16" captionText="Figure 12. Choctawites cumminsi (Hyatt, 1893) from San Saba (a–d) and the Figure 2 Ranch section (e, f). (a) Cross section of specimen 26- 13 from San Saba; × 2.5. (b) Cross section of specimen 26-2 from San Saba; × 2.5. (c) Cross section of specimen 26b from San Saba; × 2.5. (d) Cross section of specimen 26-10 from San Saba; × 2.5. (e) Cross section of specimen NPL 68499 from bed 25 (sample 00TXCU27) of Figure 2 Ranch; × 2.5. (f) Suture line of specimen NPL 68500 from bed 25 (sample 00TXCU27) of Figure 2 Ranch, at 14.4 mm diameter, 11.3 mm ww, 7.2 mm wh; × 5.0. (g–i), Ontogenetic development of the conch width index (ww / dm), umbilical width index (uw / dm), and WER of all available specimens (the cross sections of specimens (a–d) from San Saba were produced by R. Kant; the original specimens are stored in the collections of the USNM, acetate peels are stored in the collections of the GPI Tübingen)." figureDoi="http://doi.org/10.5281/zenodo.11585649" httpUri="https://zenodo.org/record/11585649/files/figure.png" pageId="15" pageNumber="96">12</figureCitation>
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||
)
|
||
</emphasis>
|
||
</heading>
|
||
</paragraph>
|
||
</subSubSection>
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||
<subSubSection id="C3216523FC53FFA3FFA9FEA5FE64FE33" pageId="15" pageNumber="96" type="reference_group">
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<paragraph id="8B8436A8FC53FFA3FFA9FEA5FD30FEF3" blockId="15.[124,767,335,423]" box="[124,761,335,359]" pageId="15" pageNumber="96">
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||
1893
|
||
<taxonomicName id="4C3B4D2BFC53FFA3FF6DFEBAFE11FEF3" authority="Hyatt" authorityName="Hyatt" box="[184,472,335,359]" class="Cephalopoda" family="Delepinoceratidae" genus="Goniatites" kingdom="Animalia" order="Goniatitida" pageId="15" pageNumber="96" phylum="Mollusca" rank="species" species="cumminsi">
|
||
<emphasis id="B94FEABAFC53FFA3FF6DFEBAFE5AFEF3" box="[184,403,335,359]" italics="true" pageId="15" pageNumber="96">Goniatites cumminsi</emphasis>
|
||
Hyatt
|
||
</taxonomicName>
|
||
, p. 467, pl. 47, figs. 33–43.
|
||
</paragraph>
|
||
<paragraph id="8B8436A8FC53FFA3FFA9FE85FE64FE33" blockId="15.[124,767,335,423]" pageId="15" pageNumber="96">
|
||
1965
|
||
<taxonomicName id="4C3B4D2BFC53FFA3FF6AFE9AFE00FE13" authorityName="Shumard" authorityYear="1863" box="[191,457,367,391]" class="Cephalopoda" family="Delepinoceratidae" genus="Goniatites" kingdom="Animalia" order="Goniatitida" pageId="15" pageNumber="96" phylum="Mollusca" rank="species" species="choctawensis">
|
||
<emphasis id="B94FEABAFC53FFA3FF6AFE9AFE00FE13" box="[191,457,367,391]" italics="true" pageId="15" pageNumber="96">Goniatites choctawensis</emphasis>
|
||
</taxonomicName>
|
||
. – Gordon, pl. 19, figs. 1–12, text-fig. 44E, F [only].
|
||
</paragraph>
|
||
</subSubSection>
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<subSubSection id="C3216523FC53FFA3FFA9FE3AFDC8FDF2" pageId="15" pageNumber="96" type="materials_examined">
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<paragraph id="8B8436A8FC53FFA3FFA9FE3AFF50FDB2" blockId="15.[124,767,463,1921]" pageId="15" pageNumber="96">
|
||
<typeStatus id="5480880AFC53FFA3FFA9FE3AFF22FE72" box="[124,235,463,486]" pageId="15" pageNumber="96" type="lectotype">Lectotype</typeStatus>
|
||
: Specimen
|
||
<collectionCode id="ED2AAE6DFC53FFA3FEBFFE3AFE44FE72" box="[362,397,463,486]" country="Iran" name="University of Tehran" pageId="15" pageNumber="96">UT</collectionCode>
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||
12031 (designated by
|
||
<bibRefCitation id="EFAA4B59FC53FFA3FD58FE3AFEC7FD92" author="Cloud, P. & Barnes, V. E." pageId="15" pageNumber="96" pagination="1 - 473" refId="ref16424" refString="Cloud, P. and Barnes, V. E.: The Ellenburger group of central Texas, Texas University Bureau of Economic Geology Publications, 4621, 1 - 473, 1948." type="journal article" year="1948">Cloud and Barnes, 1948</bibRefCitation>
|
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); illustrated by
|
||
<bibRefCitation id="EFAA4B59FC53FFA3FE6CFE1AFD9AFD92" author="Gordon, M. J." box="[441,595,495,518]" pageId="15" pageNumber="96" pagination="1 - 322" refId="ref16774" refString="Gordon, M. J.: Carboniferous Cephalopods of Arkansas, Professional Papers, U. S. Geological Survey, 460, 1 - 322, 1965." type="journal article" year="1965">Gordon (1965</bibRefCitation>
|
||
, pl. 19, figs. 1– 6).
|
||
</paragraph>
|
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<paragraph id="8B8436A8FC53FFA3FFA9FDDAFDC8FDF2" blockId="15.[124,767,463,1921]" pageId="15" pageNumber="96">
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<materialsCitation id="3B533CF5FC53FFA3FFA9FDDAFE34FDF2" ID-GBIF-Occurrence="4876197309" county="Lampasas County" location="Lampasas" pageId="15" pageNumber="96" specimenCount="1" stateProvince="Texas">
|
||
Type locality and horizon:
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<quantity id="4CC39B4DFC53FFA3FE4BFDDAFE24FDD2" box="[414,493,559,582]" metricMagnitude="3" metricUnit="m" metricValue="8.04672" pageId="15" pageNumber="96" unit="mi" value="5.0">5 miles</quantity>
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west of
|
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<location id="8EE46073FC53FFA3FD9FFDDAFD7DFDD2" LSID="urn:lsid:plazi:treatment:039287BEFC53FFBFFFA9FEE5FDE2FB10:8EE46073FC53FFA3FD9FFDDAFD7DFDD2" box="[586,692,559,582]" county="Lampasas County" name="Lampasas" pageId="15" pageNumber="96" stateProvince="Texas">Lampasas</location>
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(
|
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<collectingCounty id="62E54E24FC53FFA3FD16FDDAFEC2FDF2" pageId="15" pageNumber="96">Lampasas County</collectingCounty>
|
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,
|
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<collectingRegion id="49FFF84AFC53FFA3FEC3FDBAFE91FDF2" box="[278,344,591,614]" country="United States of America" name="Texas" pageId="15" pageNumber="96">Texas</collectingRegion>
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); Barnett Shale
|
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</materialsCitation>
|
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.
|
||
</paragraph>
|
||
</subSubSection>
|
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<subSubSection id="C3216523FC53FFA3FFA9FD9AFE65FB90" pageId="15" pageNumber="96" type="diagnosis">
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<paragraph id="8B8436A8FC53FFA3FFA9FD9AFE65FB90" blockId="15.[124,767,463,1921]" pageId="15" pageNumber="96">
|
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Diagnosis:
|
||
<taxonomicName id="4C3B4D2BFC53FFA3FF20FD9BFEB1FD12" authorityName="Titus & Korn & Harrell & Lambert" authorityYear="2015" box="[245,376,622,646]" class="Cephalopoda" family="Delepinoceratidae" genus="Choctawites" kingdom="Animalia" pageId="15" pageNumber="96" phylum="Mollusca" rank="genus">
|
||
<emphasis id="B94FEABAFC53FFA3FF20FD9BFEB1FD12" box="[245,376,622,646]" italics="true" pageId="15" pageNumber="96">Choctawites</emphasis>
|
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</taxonomicName>
|
||
with a thickly pachyconic to globular conch between 2 and
|
||
<quantity id="4CC39B4DFC53FFA3FE53FD7AFE07FD32" box="[390,462,655,678]" metricMagnitude="-2" metricUnit="m" metricValue="1.2" pageId="15" pageNumber="96" unit="mm" value="12.0">12 mm</quantity>
|
||
diameter (ww / dm = 0.85– 0.95) and thickly pachyconic conch (ww / dm = 0.70) at
|
||
<quantity id="4CC39B4DFC53FFA3FFA9FD3BFF0DFD71" box="[124,196,718,741]" metricMagnitude="-2" metricUnit="m" metricValue="2.0" pageId="15" pageNumber="96" unit="mm" value="20.0">20 mm</quantity>
|
||
diameter. Umbilicus moderately narrow to moderately wide in early ontogeny (uw / dm = 0.25–0.35 at 1.5–
|
||
<quantity id="4CC39B4DFC53FFA3FFA9FCFBFF7EFCB1" box="[124,183,782,805]" metricMagnitude="-3" metricUnit="m" metricValue="2.0" pageId="15" pageNumber="96" unit="mm" value="2.0">2 mm</quantity>
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diameter) and very narrow in all stages larger than
|
||
<quantity id="4CC39B4DFC53FFA3FFA9FCDBFF7EFCD1" box="[124,183,814,837]" metricMagnitude="-3" metricUnit="m" metricValue="4.0" pageId="15" pageNumber="96" unit="mm" value="4.0">4 mm</quantity>
|
||
diameter (uw / dm 0.05–0.08). Umbilical wall convexly rounded in all stages, very short early juvenile stage with slightly trapezoidal whorl cross section. Aperture low (
|
||
<collectionCode id="ED2AAE6DFC53FFA3FF56FC7BFF09FC31" box="[131,192,910,933]" pageId="15" pageNumber="96">WER</collectionCode>
|
||
= 1.65–1.70 throughout ontogeny). Ornament with about 120 spiral lines and crenulated, slightly biconvex, and rectiradiate growth lines; external sinus shallow. Falcate ornament begins at
|
||
<quantity id="4CC39B4DFC53FFA3FEE3FC18FEB7FB90" box="[310,382,1005,1028]" metricMagnitude="-2" metricUnit="m" metricValue="4.0" pageId="15" pageNumber="96" unit="mm" value="40.0">40 mm</quantity>
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dm.
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</paragraph>
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||
</subSubSection>
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<caption id="DF446620FC53FFA3FCE6FC31FAD9FB80" ID-DOI="http://doi.org/10.5281/zenodo.11585647" ID-Zenodo-Dep="11585647" httpUri="https://zenodo.org/record/11585647/files/figure.png" pageId="15" pageNumber="96" startId="15.[819,886,964,986]" targetBox="[844,1452,181,922]" targetPageId="15" targetType="figure">
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<paragraph id="8B8436A8FC53FFA3FCE6FC31FAD9FB80" blockId="15.[819,1462,964,1044]" pageId="15" pageNumber="96">
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<emphasis id="B94FEABAFC53FFA3FCE6FC31FC52FC4E" bold="true" box="[819,923,964,986]" pageId="15" pageNumber="96">Figure 11.</emphasis>
|
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<taxonomicName id="4C3B4D2BFC53FFA3FC75FC31FB36FC4E" authority="(Hyatt, 1893)" baseAuthorityName="Hyatt" baseAuthorityYear="1893" box="[928,1279,964,986]" class="Cephalopoda" family="Delepinoceratidae" genus="Choctawites" kingdom="Animalia" pageId="15" pageNumber="96" phylum="Mollusca" rank="species" species="cumminsi">
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<emphasis id="B94FEABAFC53FFA3FC75FC31FBB0FC4D" box="[928,1145,964,985]" italics="true" pageId="15" pageNumber="96">Choctawites cumminsi</emphasis>
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(
|
||
<bibRefCitation id="EFAA4B59FC53FFA3FB50FC30FB31FC4E" author="Hyatt, A." box="[1157,1272,965,986]" pageId="15" pageNumber="96" pagination="379 - 474" refId="ref16944" refString="Hyatt, A.: Carboniferous cephalopods, second paper, 4 th Annual Report of the Geological Survey of Texas, 327 - 356, 379 - 474, 1893." type="journal article" year="1893">Hyatt, 1893</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
from bed 25 (sample 00TXCU-27) of the Figure 2 Ranch section; both × 2.5.
|
||
<emphasis id="B94FEABAFC53FFA3FA4FFC14FA7FFC63" bold="true" box="[1434,1462,993,1015]" pageId="15" pageNumber="96">(a)</emphasis>
|
||
Specimen NPL 68497.
|
||
<emphasis id="B94FEABAFC53FFA3FBC6FC0BFBE6FB80" bold="true" box="[1043,1071,1022,1044]" pageId="15" pageNumber="96">(b)</emphasis>
|
||
Specimen NPL 68498.
|
||
</paragraph>
|
||
</caption>
|
||
<subSubSection id="C3216523FC53FFA3FFA9FBF8FF2AFA37" pageId="15" pageNumber="96" type="materials_examined">
|
||
<paragraph id="8B8436A8FC53FFA3FFA9FBF8FF2AFA37" blockId="15.[124,767,463,1921]" pageId="15" pageNumber="96">
|
||
<materialsCitation id="3B533CF5FC53FFA3FFA9FBF8FF16FA37" ID-GBIF-Occurrence="4876197306" collectionCode="NPL" pageId="15" pageNumber="96" specimenCode="NPL 68497, NPL 68539" specimenCount="43">
|
||
Material:
|
||
<specimenCount id="9D3DFD21FC53FFA3FF32FBF8FEB3FBB0" box="[231,378,1037,1060]" count="43" pageId="15" pageNumber="96" type="generic">43 specimens</specimenCount>
|
||
(
|
||
<specimenCode id="DB9D9ED3FC53FFA3FE5EFBF8FDC3FBB0" box="[395,522,1037,1060]" collectionCode="NPL" country="USA" httpUri="http://grbio.org/cool/q79f-q0gz" name="University of Texas at Austin" pageId="15" pageNumber="96" type="University or college">NPL 68497</specimenCode>
|
||
through
|
||
<specimenCode id="DB9D9ED3FC53FFA3FDA4FBF8FD3AFBB0" box="[625,755,1037,1060]" collectionCode="NPL" country="USA" httpUri="http://grbio.org/cool/q79f-q0gz" name="University of Texas at Austin" pageId="15" pageNumber="96" type="University or college">NPL 68539</specimenCode>
|
||
), all from sample 00TXCU-27. The material consists of brown to black coloured phosphatic steinkerns, which have varying amounts of shell preserved on them. Shell occasionally exhibits iridescent colour in small areas. Most of the inner phragmocones (diameter less than
|
||
<quantity id="4CC39B4DFC53FFA3FD94FB58FD42FB50" box="[577,651,1197,1220]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="15" pageNumber="96" unit="mm" value="10.0">10 mm</quantity>
|
||
) were not filled with minerals and weathered out rapidly or were not preserved, leaving a hollow space in the specimen. Some of these small interior phragmocones are exceptionally well preserved when freshly exposed and show the fine details of the septa and shell. The largest intact specimens were about
|
||
<quantity id="4CC39B4DFC53FFA3FFA9FA99FF0DFA17" box="[124,196,1388,1411]" metricMagnitude="-2" metricUnit="m" metricValue="2.0" pageId="15" pageNumber="96" unit="mm" value="20.0">20 mm</quantity>
|
||
in diameter. Only fragments of larger specimens were collected
|
||
</materialsCitation>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3216523FC53FFBFFFA9FA59FDE2FB10" lastPageId="19" lastPageNumber="100" pageId="15" pageNumber="96" type="description">
|
||
<paragraph id="8B8436A8FC53FFA3FFA9FA59FE23F956" blockId="15.[124,767,463,1921]" pageId="15" pageNumber="96">
|
||
Description: The conch cross section of the small specimen
|
||
<collectionCode id="ED2AAE6DFC53FFA3FFA9FA3EFF67FA76" box="[124,174,1483,1506]" country="USA" httpUri="http://grbio.org/cool/q79f-q0gz" name="University of Texas at Austin" pageId="15" pageNumber="96" type="University or college">NPL</collectionCode>
|
||
68499 (
|
||
<quantity id="4CC39B4DFC53FFA3FED3FA3EFE86FA76" box="[262,335,1483,1506]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="15" pageNumber="96" unit="mm" value="10.0">10 mm</quantity>
|
||
conch diameter) shows a globular shape (ww / dm = 0.86) and a very narrow umbilicus (uw / dm = 0.06) with broadly rounded flanks and venter (
|
||
<figureCitation id="13002A2DFC53FFA3FDB2F9FEFD0BF9B6" box="[615,706,1547,1570]" captionStart="Figure 12" captionStartId="16.[124,191,1182,1204]" captionTargetBox="[170,1418,178,1143]" captionTargetId="graphics-23@16.[170,900,650,1137]" captionTargetPageId="16" captionText="Figure 12. Choctawites cumminsi (Hyatt, 1893) from San Saba (a–d) and the Figure 2 Ranch section (e, f). (a) Cross section of specimen 26- 13 from San Saba; × 2.5. (b) Cross section of specimen 26-2 from San Saba; × 2.5. (c) Cross section of specimen 26b from San Saba; × 2.5. (d) Cross section of specimen 26-10 from San Saba; × 2.5. (e) Cross section of specimen NPL 68499 from bed 25 (sample 00TXCU27) of Figure 2 Ranch; × 2.5. (f) Suture line of specimen NPL 68500 from bed 25 (sample 00TXCU27) of Figure 2 Ranch, at 14.4 mm diameter, 11.3 mm ww, 7.2 mm wh; × 5.0. (g–i), Ontogenetic development of the conch width index (ww / dm), umbilical width index (uw / dm), and WER of all available specimens (the cross sections of specimens (a–d) from San Saba were produced by R. Kant; the original specimens are stored in the collections of the USNM, acetate peels are stored in the collections of the GPI Tübingen)." figureDoi="http://doi.org/10.5281/zenodo.11585649" httpUri="https://zenodo.org/record/11585649/files/figure.png" pageId="15" pageNumber="96">Fig. 12e</figureCitation>
|
||
). The inner whorls show crescent-shaped whorl profiles and a moderately wide umbilicus; the highest uw / dm ratio with 0.34 occurs at 1.2 mm conch diameter. In the growth interval between 5 and
|
||
<quantity id="4CC39B4DFC53FFA3FEDFF97EFE9BF936" box="[266,338,1675,1698]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="15" pageNumber="96" unit="mm" value="10.0">10 mm</quantity>
|
||
conch diameter, the conch is widest at some distance from the umbilicus.
|
||
</paragraph>
|
||
<paragraph id="8B8436A8FC53FFA3FF42F93FFB93FB1B" blockId="15.[124,767,463,1921]" lastBlockId="15.[819,1462,1112,1868]" pageId="15" pageNumber="96">
|
||
<collectorName id="26CE537EFC53FFA3FF42F93FFF09F975" box="[151,192,1738,1761]" pageId="15" pageNumber="96">The</collectorName>
|
||
conch cross section from the
|
||
<collectorName id="26CE537EFC53FFA3FDD6F93FFD5BF975" box="[515,658,1738,1761]" pageId="15" pageNumber="96">Sierra Diablo</collectorName>
|
||
specimen is very similar to four cross sections (specimens 26-13, 26- 2, 26b, 26-10) produced by
|
||
<collectionCode id="ED2AAE6DFC53FFA3FE79F8FFFE08F8B5" box="[428,449,1802,1825]" country="Chile" name="Departamento de Geologia, Universidad de Chile" pageId="15" pageNumber="96">R</collectionCode>
|
||
. Kant (
|
||
<collectorName id="26CE537EFC53FFA3FDC5F8FFFDB0F8B5" box="[528,633,1802,1825]" pageId="15" pageNumber="96">Tübingen</collectorName>
|
||
) of material from San
|
||
<collectingCountry id="F32C7638FC53FFA3FF33F8DFFED3F8D5" box="[230,282,1834,1857]" name="Bonaire, Sint Eustatius and Saba" pageId="15" pageNumber="96">Saba</collectingCountry>
|
||
(original specimens identified by
|
||
<collectorName id="26CE537EFC53FFA3FD5DF8DFFD37F8D5" box="[648,766,1834,1857]" pageId="15" pageNumber="96">M. Gordon</collectorName>
|
||
in the
|
||
<collectionCode id="ED2AAE6DFC53FFA3FF12F8BFFEDEF8F5" box="[199,279,1866,1889]" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34871" lsid="urn:lsid:biocol.org:col:34871" name="Smithsonian Institution, National Museum of Natural History" pageId="15" pageNumber="96" type="Museum">USNM</collectionCode>
|
||
; acetate peels in the collections of the
|
||
<collectionCode id="ED2AAE6DFC53FFA3FD01F8BFFD36F8F5" box="[724,767,1866,1889]" country="Germany" httpUri="http://grbio.org/cool/g4hb-h6ei" name="Geologisch-Palaeontologisches Institut" pageId="15" pageNumber="96">GPI</collectionCode>
|
||
<collectorName id="26CE537EFC53FFA3FFA9F89FFF2EF815" box="[124,231,1898,1921]" pageId="15" pageNumber="96">Tübingen</collectorName>
|
||
).
|
||
<location id="8EE46073FC53FFA3FF22F89FFE87F815" LSID="urn:lsid:plazi:treatment:039287BEFC53FFBFFFA9FEE5FDE2FB10:8EE46073FC53FFA3FF22F89FFE87F815" box="[247,334,1898,1921]" country="Bonaire, Sint Eustatius and Saba" name="The San" pageId="15" pageNumber="96">The San</location>
|
||
<collectingCountry id="F32C7638FC53FFA3FE86F89FFE4EF815" box="[339,391,1898,1921]" name="Bonaire, Sint Eustatius and Saba" pageId="15" pageNumber="96">Saba</collectingCountry>
|
||
<typeStatus id="5480880AFC53FFA3FE58F89FFE3DF815" box="[397,500,1898,1921]" pageId="15" pageNumber="96" type="topotype">topotypes</typeStatus>
|
||
only differ in the slightly more pronounced trapezoidal whorl profile and the more subparallel flanks (
|
||
<figureCitation id="13002A2DFC53FFA3FC0DFB8DFB87FB1B" box="[984,1102,1144,1167]" captionStart="Figure 12" captionStartId="16.[124,191,1182,1204]" captionTargetBox="[170,1418,178,1143]" captionTargetId="graphics-23@16.[170,900,650,1137]" captionTargetPageId="16" captionText="Figure 12. Choctawites cumminsi (Hyatt, 1893) from San Saba (a–d) and the Figure 2 Ranch section (e, f). (a) Cross section of specimen 26- 13 from San Saba; × 2.5. (b) Cross section of specimen 26-2 from San Saba; × 2.5. (c) Cross section of specimen 26b from San Saba; × 2.5. (d) Cross section of specimen 26-10 from San Saba; × 2.5. (e) Cross section of specimen NPL 68499 from bed 25 (sample 00TXCU27) of Figure 2 Ranch; × 2.5. (f) Suture line of specimen NPL 68500 from bed 25 (sample 00TXCU27) of Figure 2 Ranch, at 14.4 mm diameter, 11.3 mm ww, 7.2 mm wh; × 5.0. (g–i), Ontogenetic development of the conch width index (ww / dm), umbilical width index (uw / dm), and WER of all available specimens (the cross sections of specimens (a–d) from San Saba were produced by R. Kant; the original specimens are stored in the collections of the USNM, acetate peels are stored in the collections of the GPI Tübingen)." figureDoi="http://doi.org/10.5281/zenodo.11585649" httpUri="https://zenodo.org/record/11585649/files/figure.png" pageId="15" pageNumber="96">Fig. 12a–d</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="8B8436A8FC53FFA3FC9BFB6DFC18FA59" blockId="15.[819,1462,1112,1868]" pageId="15" pageNumber="96">
|
||
Conchs are thickly pachyconic at
|
||
<quantity id="4CC39B4DFC53FFA3FB13FB6DFAC7FB3B" box="[1222,1294,1176,1199]" metricMagnitude="-2" metricUnit="m" metricValue="2.0" pageId="15" pageNumber="96" unit="mm" value="20.0">20 mm</quantity>
|
||
(e.g. specimen
|
||
<collectionCode id="ED2AAE6DFC53FFA3FCE6FB42FCACFB5A" box="[819,869,1207,1230]" country="USA" httpUri="http://grbio.org/cool/q79f-q0gz" name="University of Texas at Austin" pageId="15" pageNumber="96" type="University or college">NPL</collectionCode>
|
||
68497;
|
||
<figureCitation id="13002A2DFC53FFA3FC10FB42FBEAFB5A" box="[965,1059,1207,1230]" captionStart="Figure 11" captionStartId="15.[819,886,964,986]" captionTargetBox="[844,1452,181,922]" captionTargetId="figure-483@15.[826,1456,177,933]" captionTargetPageId="15" captionText="Figure 11. Choctawites cumminsi (Hyatt, 1893) from bed 25 (sample 00TXCU-27) of the Figure 2 Ranch section; both × 2.5. (a) Specimen NPL 68497. (b) Specimen NPL 68498." figureDoi="http://doi.org/10.5281/zenodo.11585647" httpUri="https://zenodo.org/record/11585647/files/figure.png" pageId="15" pageNumber="96">Fig. 11a</figureCitation>
|
||
), with a very narrow umbilicus and moderately depressed whorls (ww / dm = 0.74; ww / wh = 1.36). Flanks and venter are continuously rounded and the aperture is low (
|
||
<collectionCode id="ED2AAE6DFC53FFA3FC36FAE2FBE9FABA" box="[995,1056,1303,1326]" pageId="15" pageNumber="96">WER</collectionCode>
|
||
= 1.64). The specimen is an internal mould without shell remains; the body chamber has nearly the length of a volution. The internal mould shows shallow constrictions with irregular distances; they extend linearly across the flanks and turn forward for a low and wide ventral projection.
|
||
</paragraph>
|
||
<paragraph id="8B8436A8FC53FFA3FC9BFA23FC1EF919" blockId="15.[819,1462,1112,1868]" pageId="15" pageNumber="96">
|
||
The slightly smaller specimen
|
||
<collectionCode id="ED2AAE6DFC53FFA3FB7CFA23FB12FA79" box="[1193,1243,1494,1517]" country="USA" httpUri="http://grbio.org/cool/q79f-q0gz" name="University of Texas at Austin" pageId="15" pageNumber="96" type="University or college">NPL</collectionCode>
|
||
68497 (
|
||
<quantity id="4CC39B4DFC53FFA3FAEBFA23FA4FFA79" box="[1342,1414,1494,1517]" metricMagnitude="-2" metricUnit="m" metricValue="1.7" pageId="15" pageNumber="96" unit="mm" value="17.0">17 mm</quantity>
|
||
dm) largely resembles the previous specimen. The internal mould has four prominent constrictions, which probably follow the growth lines in their course, are almost rectiradiate, bearing only a slight forward inflection or are salient over the ventral area (
|
||
<figureCitation id="13002A2DFC53FFA3FCBBF983FC02F919" box="[878,971,1654,1677]" captionStart="Figure 11" captionStartId="15.[819,886,964,986]" captionTargetBox="[844,1452,181,922]" captionTargetId="figure-483@15.[826,1456,177,933]" captionTargetPageId="15" captionText="Figure 11. Choctawites cumminsi (Hyatt, 1893) from bed 25 (sample 00TXCU-27) of the Figure 2 Ranch section; both × 2.5. (a) Specimen NPL 68497. (b) Specimen NPL 68498." figureDoi="http://doi.org/10.5281/zenodo.11585647" httpUri="https://zenodo.org/record/11585647/files/figure.png" pageId="15" pageNumber="96">Fig. 11b</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="8B8436A8FC53FFA3FC9BF963FB99F8D8" blockId="15.[819,1462,1112,1868]" pageId="15" pageNumber="96">
|
||
The smallest specimens (e.g. specimen
|
||
<collectionCode id="ED2AAE6DFC53FFA3FAD1F963FAFFF939" box="[1284,1334,1686,1709]" country="USA" httpUri="http://grbio.org/cool/q79f-q0gz" name="University of Texas at Austin" pageId="15" pageNumber="96" type="University or college">NPL</collectionCode>
|
||
68501) are
|
||
<quantity id="4CC39B4DFC53FFA3FCE6F943FCA7F959" box="[819,878,1718,1741]" metricMagnitude="-3" metricUnit="m" metricValue="7.0" pageId="15" pageNumber="96" unit="mm" value="7.0">7 mm</quantity>
|
||
in diameter. By that stage, the conch is starting to change from sub-trapezoidal (strongly recurved flanks) to rounded whorl profiles. As a result, the trapezoidal phase, which is only weakly developed in this taxon, was only seen on cross-sectioned conchs.
|
||
</paragraph>
|
||
<caption id="DF446620FC4CFFBCFFA9FB6BFB9CFAF7" ID-DOI="http://doi.org/10.5281/zenodo.11585649" ID-Zenodo-Dep="11585649" httpUri="https://zenodo.org/record/11585649/files/figure.png" pageId="16" pageNumber="97" startId="16.[124,191,1182,1204]" targetBox="[170,1418,178,1143]" targetPageId="16" targetType="figure">
|
||
<paragraph id="8B8436A8FC4CFFBCFFA9FB6BFB9CFAF7" blockId="16.[124,1463,1182,1379]" pageId="16" pageNumber="97">
|
||
<emphasis id="B94FEABAFC4CFFBCFFA9FB6BFF2AFB20" bold="true" box="[124,227,1182,1204]" pageId="16" pageNumber="97">Figure 12.</emphasis>
|
||
<taxonomicName id="4C3B4D2BFC4CFFBCFF3DFB6BFD8DFB27" authority="(Hyatt, 1893)" baseAuthorityName="Hyatt" baseAuthorityYear="1893" box="[232,580,1182,1203]" class="Cephalopoda" family="Delepinoceratidae" genus="Choctawites" kingdom="Animalia" pageId="16" pageNumber="97" phylum="Mollusca" rank="species" species="cumminsi">
|
||
<emphasis id="B94FEABAFC4CFFBCFF3DFB6BFE76FB27" box="[232,447,1182,1203]" italics="true" pageId="16" pageNumber="97">Choctawites cumminsi</emphasis>
|
||
(
|
||
<bibRefCitation id="EFAA4B59FC4CFFBCFE1EFB6BFDF4FB27" author="Hyatt, A." box="[459,573,1182,1203]" pageId="16" pageNumber="97" pagination="379 - 474" refId="ref16944" refString="Hyatt, A.: Carboniferous cephalopods, second paper, 4 th Annual Report of the Geological Survey of Texas, 327 - 356, 379 - 474, 1893." type="journal article" year="1893">Hyatt, 1893</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
from San Saba
|
||
<emphasis id="B94FEABAFC4CFFBCFD0FFB6BFCC6FB20" bold="true" box="[730,783,1182,1204]" pageId="16" pageNumber="97">(a–d)</emphasis>
|
||
and the Figure 2 Ranch section
|
||
<emphasis id="B94FEABAFC4CFFBCFBEAFB6BFBA4FB20" bold="true" box="[1087,1133,1182,1204]" pageId="16" pageNumber="97">(e, f)</emphasis>
|
||
.
|
||
<emphasis id="B94FEABAFC4CFFBCFBADFB6BFB5AFB20" bold="true" box="[1144,1171,1182,1204]" pageId="16" pageNumber="97">(a)</emphasis>
|
||
Cross section of specimen 26- 13 from San Saba; × 2.5.
|
||
<emphasis id="B94FEABAFC4CFFBCFEA4FB4EFE47FB45" bold="true" box="[369,398,1211,1233]" pageId="16" pageNumber="97">(b)</emphasis>
|
||
Cross section of specimen 26-2 from San Saba; × 2.5.
|
||
<emphasis id="B94FEABAFC4CFFBCFC49FB4EFC7FFB45" bold="true" box="[924,950,1211,1233]" pageId="16" pageNumber="97">(c)</emphasis>
|
||
Cross section of specimen 26b from San Saba; × 2.5.
|
||
<emphasis id="B94FEABAFC4CFFBCFFA9FB2DFF50FB7A" bold="true" box="[124,153,1240,1262]" pageId="16" pageNumber="97">(d)</emphasis>
|
||
Cross section of specimen 26-10 from San Saba; × 2.5.
|
||
<emphasis id="B94FEABAFC4CFFBCFD69FB2DFD1FFB7A" bold="true" box="[700,726,1240,1262]" pageId="16" pageNumber="97">(e)</emphasis>
|
||
Cross section of specimen NPL 68499 from bed 25 (sample 00TXCU27) of Figure 2 Ranch; × 2.5.
|
||
<emphasis id="B94FEABAFC4CFFBCFEB5FB00FEB1FA9F" bold="true" box="[352,376,1269,1291]" pageId="16" pageNumber="97">(f)</emphasis>
|
||
Suture line of specimen NPL 68500 from bed 25 (sample 00TXCU27) of Figure 2 Ranch, at 14.4 mm diameter, 11.3 mm ww, 7.2 mm wh; × 5.0.
|
||
<emphasis id="B94FEABAFC4CFFBCFE63FAE7FE2DFABC" bold="true" box="[438,484,1298,1320]" pageId="16" pageNumber="97">(g–i)</emphasis>
|
||
, Ontogenetic development of the conch width index (ww / dm), umbilical width index (uw / dm), and WER of all available specimens (the cross sections of specimens
|
||
<emphasis id="B94FEABAFC4CFFBCFD3CFAC5FCD7FAD2" bold="true" box="[745,798,1328,1350]" pageId="16" pageNumber="97">(a–d)</emphasis>
|
||
from San Saba were produced by R. Kant; the original specimens are stored in the collections of the USNM, acetate peels are stored in the collections of the GPI Tübingen).
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8B8436A8FC4CFFBCFF42FA53FE84F908" blockId="16.[124,767,1446,1916]" pageId="16" pageNumber="97">
|
||
Specimen
|
||
<collectionCode id="ED2AAE6DFC4CFFBCFEDEFA53FEF4FA29" box="[267,317,1446,1469]" country="USA" httpUri="http://grbio.org/cool/q79f-q0gz" name="University of Texas at Austin" pageId="16" pageNumber="97" type="University or college">NPL</collectionCode>
|
||
68500 shows the suture line of a specimen in the intermediate growth stage (at 14.4 mm dm). It possesses a Y-shaped external lobe with sinuous flanks. The external lobe has, measured at half depth, 0.64 of the external lobe depth and is 1.25 times wider than the ventrolateral saddle. The median saddle reaches a height of 0.42 of the external lobe depth. The ventrolateral saddle is tectiform and subacute (
|
||
<figureCitation id="13002A2DFC4CFFBCFF32F970FE88F908" box="[231,321,1669,1692]" captionStart="Figure 12" captionStartId="16.[124,191,1182,1204]" captionTargetBox="[170,1418,178,1143]" captionTargetId="graphics-23@16.[170,900,650,1137]" captionTargetPageId="16" captionText="Figure 12. Choctawites cumminsi (Hyatt, 1893) from San Saba (a–d) and the Figure 2 Ranch section (e, f). (a) Cross section of specimen 26- 13 from San Saba; × 2.5. (b) Cross section of specimen 26-2 from San Saba; × 2.5. (c) Cross section of specimen 26b from San Saba; × 2.5. (d) Cross section of specimen 26-10 from San Saba; × 2.5. (e) Cross section of specimen NPL 68499 from bed 25 (sample 00TXCU27) of Figure 2 Ranch; × 2.5. (f) Suture line of specimen NPL 68500 from bed 25 (sample 00TXCU27) of Figure 2 Ranch, at 14.4 mm diameter, 11.3 mm ww, 7.2 mm wh; × 5.0. (g–i), Ontogenetic development of the conch width index (ww / dm), umbilical width index (uw / dm), and WER of all available specimens (the cross sections of specimens (a–d) from San Saba were produced by R. Kant; the original specimens are stored in the collections of the USNM, acetate peels are stored in the collections of the GPI Tübingen)." figureDoi="http://doi.org/10.5281/zenodo.11585649" httpUri="https://zenodo.org/record/11585649/files/figure.png" pageId="16" pageNumber="97">Fig. 12f</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="8B8436A8FC4CFFBCFF42F950FEC1F8A8" blockId="16.[124,767,1446,1916]" pageId="16" pageNumber="97">
|
||
Ornament is only commonly preserved on the larger whorl fragments, but smaller specimens show crenistriate ornament up to diameters of approximately
|
||
<quantity id="4CC39B4DFC4CFFBCFDF9F910FDBEF968" box="[556,631,1765,1788]" metricMagnitude="-2" metricUnit="m" metricValue="1.5" pageId="16" pageNumber="97" unit="mm" value="15.0">15 mm</quantity>
|
||
, after which it changes to strong longitudinal lirae numbering about 19– 20 per
|
||
<quantity id="4CC39B4DFC4CFFBCFF13F8D0FECDF8A8" box="[198,260,1829,1852]" metricMagnitude="-3" metricUnit="m" metricValue="5.0" pageId="16" pageNumber="97" unit="mm" value="5.0">5 mm</quantity>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="8B8436A8FC4CFFBCFFA9F8B0FA99F8A8" blockId="16.[124,767,1446,1916]" lastBlockId="16.[819,1463,1446,1916]" pageId="16" pageNumber="97">
|
||
Discussion: Forms we refer to
|
||
<taxonomicName id="4C3B4D2BFC4CFFBCFE11F8B1FD8EF8C8" authorityName="Titus & Korn & Harrell & Lambert" authorityYear="2015" box="[452,583,1860,1884]" class="Cephalopoda" family="Delepinoceratidae" genus="Choctawites" kingdom="Animalia" pageId="16" pageNumber="97" phylum="Mollusca" rank="genus">
|
||
<emphasis id="B94FEABAFC4CFFBCFE11F8B1FD8EF8C8" box="[452,583,1860,1884]" italics="true" pageId="16" pageNumber="97">Choctawites</emphasis>
|
||
</taxonomicName>
|
||
have historically been attributed to three species; “
|
||
<taxonomicName id="4C3B4D2BFC4CFFBCFE22F891FC17FA29" authority="Shumard, 1863" authorityName="Shumard" authorityYear="1863" box="[503,990,1446,1916]" class="Cephalopoda" family="Goniatitidae" genus="Goniatites" kingdom="Animalia" pageId="16" pageNumber="97" phylum="Mollusca" rank="species" species="choctawensis">
|
||
<emphasis id="B94FEABAFC4CFFBCFE22F891FD37F8E8" box="[503,766,1892,1916]" italics="true" pageId="16" pageNumber="97">Goniatites choctawensis</emphasis>
|
||
<bibRefCitation id="EFAA4B59FC4CFFBCFCE6FA53FC17FA29" author="Shumard, B. F." box="[819,990,1446,1469]" pageId="16" pageNumber="97" pagination="108 - 113" refId="ref18978" refString="Shumard, B. F.: Descriptions of new Paleozoic fossils, Transactions of the St. Louis Academy of Science, 2, 108 - 113, 1863." type="journal article" year="1863">Shumard, 1863</bibRefCitation>
|
||
</taxonomicName>
|
||
”, “
|
||
<taxonomicName id="4C3B4D2BFC4CFFBCFBD1FA53FABFFA29" authority="Hyatt, 1893" authorityName="Hyatt" authorityYear="1893" box="[1028,1398,1446,1470]" class="Cephalopoda" family="Goniatitidae" genus="Goniatites" kingdom="Animalia" pageId="16" pageNumber="97" phylum="Mollusca" rank="species" species="cumminsi">
|
||
<emphasis id="B94FEABAFC4CFFBCFBD1FA53FB2DFA2A" box="[1028,1252,1446,1470]" italics="true" pageId="16" pageNumber="97">Goniatites cumminsi</emphasis>
|
||
<bibRefCitation id="EFAA4B59FC4CFFBCFB25FA53FABFFA29" author="Hyatt, A." box="[1264,1398,1446,1469]" pageId="16" pageNumber="97" pagination="379 - 474" refId="ref16944" refString="Hyatt, A.: Carboniferous cephalopods, second paper, 4 th Annual Report of the Geological Survey of Texas, 327 - 356, 379 - 474, 1893." type="journal article" year="1893">Hyatt, 1893</bibRefCitation>
|
||
</taxonomicName>
|
||
”, and “
|
||
<taxonomicName id="4C3B4D2BFC4CFFBCFCEAFA33FB11FA49" authority="Miller, 1889" authorityName="Miller" authorityYear="1889" box="[831,1240,1478,1502]" class="Cephalopoda" family="Goniatitidae" genus="Goniatites" kingdom="Animalia" pageId="16" pageNumber="97" phylum="Mollusca" rank="species" species="kentuckiensis">
|
||
<emphasis id="B94FEABAFC4CFFBCFCEAFA33FB8DFA4A" box="[831,1092,1478,1502]" italics="true" pageId="16" pageNumber="97">Goniatites kentuckiensis</emphasis>
|
||
<bibRefCitation id="EFAA4B59FC4CFFBCFB98FA33FB11FA49" author="Miller, S. A." box="[1101,1240,1478,1501]" pageId="16" pageNumber="97" pagination="1 - 664" refId="ref18467" refString="Miller, S. A.: North American Geology and Palaeontology for the use of amateurs, students and scientists, 1 - 664, 1889." type="book chapter" year="1889">Miller, 1889</bibRefCitation>
|
||
</taxonomicName>
|
||
”.
|
||
<bibRefCitation id="EFAA4B59FC4CFFBCFB3BFA33FA59FA49" author="Gordon, M. J." box="[1262,1424,1478,1501]" pageId="16" pageNumber="97" pagination="1 - 322" refId="ref16774" refString="Gordon, M. J.: Carboniferous Cephalopods of Arkansas, Professional Papers, U. S. Geological Survey, 460, 1 - 322, 1965." type="journal article" year="1965">Gordon (1965)</bibRefCitation>
|
||
regarded
|
||
<taxonomicName id="4C3B4D2BFC4CFFBCFC51FA13FBC4FA6A" box="[900,1037,1510,1534]" class="Cephalopoda" family="Goniatitidae" genus="Goniatites" kingdom="Animalia" pageId="16" pageNumber="97" phylum="Mollusca" rank="species" species="cumminsi">
|
||
<emphasis id="B94FEABAFC4CFFBCFC51FA13FBC4FA6A" box="[900,1037,1510,1534]" italics="true" pageId="16" pageNumber="97">G. cumminsi</emphasis>
|
||
</taxonomicName>
|
||
as a junior synonym of
|
||
<taxonomicName id="4C3B4D2BFC4CFFBCFACCFA13FC86F989" authorityName="Shumard" authorityYear="1863" class="Cephalopoda" family="Goniatitidae" genus="Goniatites" kingdom="Animalia" pageId="16" pageNumber="97" phylum="Mollusca" rank="species" species="choctawensis">
|
||
<emphasis id="B94FEABAFC4CFFBCFACCFA13FC86F989" italics="true" pageId="16" pageNumber="97">G. choctawensis</emphasis>
|
||
</taxonomicName>
|
||
, a view supported in nearly every subsequent paper. Recently,
|
||
<bibRefCitation id="EFAA4B59FC4CFFBCFC77F9D3FB76F9A9" author="Work, D. M. & Mason, C. E." box="[930,1215,1574,1597]" pageId="16" pageNumber="97" pagination="65 - 70" refId="ref19316" refString="Work, D. M. and Mason, C. E.: The Mississippian Ammonoid Succession in the Central Appalachian Basin, Eastern Kentucky, in: Carboniferous Geology and Biostratigraphy of the Appalachian Basin, Kentucky Geological Survey, Special Publication, 10, edited by: Greb, S. F. and Chesnut, D. R. J., University of Kentucky, Lexington, 65 - 70, 2009 a." type="book chapter" year="2009">Work and Mason (2009a)</bibRefCitation>
|
||
synonymized
|
||
<taxonomicName id="4C3B4D2BFC4CFFBCFAB6F9D0FC52F9C9" authorityName="Miller" authorityYear="1889" class="Cephalopoda" family="Goniatitidae" genus="Goniatites" kingdom="Animalia" pageId="16" pageNumber="97" phylum="Mollusca" rank="species" species="kentuckiensis">
|
||
<emphasis id="B94FEABAFC4CFFBCFAB6F9D0FC52F9C9" italics="true" pageId="16" pageNumber="97">G. kentuckiensis</emphasis>
|
||
</taxonomicName>
|
||
with
|
||
<taxonomicName id="4C3B4D2BFC4CFFBCFC31F9B0FB5EF9C9" authorityName="Shumard" authorityYear="1863" box="[996,1175,1605,1629]" class="Cephalopoda" family="Goniatitidae" genus="Goniatites" kingdom="Animalia" pageId="16" pageNumber="97" phylum="Mollusca" rank="species" species="choctawensis">
|
||
<emphasis id="B94FEABAFC4CFFBCFC31F9B0FB5EF9C9" box="[996,1175,1605,1629]" italics="true" pageId="16" pageNumber="97">G. choctawensis</emphasis>
|
||
</taxonomicName>
|
||
and followed
|
||
<bibRefCitation id="EFAA4B59FC4CFFBCFA94F9B3FB9CF9E9" author="Ruzhencev, V. E. & Bogoslovskaya, M. F." pageId="16" pageNumber="97" pagination="1 - 382" refId="ref18853" refString="Ruzhencev, V. E. and Bogoslovskaya, M. F.: Namyurskiy etap v evolyutsii ammonodey. Rannenamyurskiye ammonoidei., Trudy Paleontologicheskogo Instituta Akademiya Nauk SSSR, 133, 1 - 382, 1971." type="journal article" year="1971">Ruzhencev and Bogoslovskaya (1971)</bibRefCitation>
|
||
in assigning
|
||
<taxonomicName id="4C3B4D2BFC4CFFBCFB3DF990FA51F9E9" authorityName="Shumard" authorityYear="1863" box="[1256,1432,1637,1661]" class="Cephalopoda" family="Goniatitidae" genus="Goniatites" kingdom="Animalia" pageId="16" pageNumber="97" phylum="Mollusca" rank="species" species="choctawensis">
|
||
<emphasis id="B94FEABAFC4CFFBCFB3DF990FA51F9E9" box="[1256,1432,1637,1661]" italics="true" pageId="16" pageNumber="97">G. choctawensis</emphasis>
|
||
</taxonomicName>
|
||
to
|
||
<taxonomicName id="4C3B4D2BFC4CFFBCFCE6F970FC79F909" authorityName="Librovitch" authorityYear="1957" box="[819,944,1669,1693]" class="Cephalopoda" family="Delepinoceratidae" genus="Dombarites" kingdom="Animalia" pageId="16" pageNumber="97" phylum="Mollusca" rank="genus">
|
||
<emphasis id="B94FEABAFC4CFFBCFCE6F970FC79F909" box="[819,944,1669,1693]" italics="true" pageId="16" pageNumber="97">Dombarites</emphasis>
|
||
</taxonomicName>
|
||
, which left
|
||
<taxonomicName id="4C3B4D2BFC4CFFBCFBE8F970FB26F909" authorityName="Shumard" authorityYear="1863" box="[1085,1263,1669,1693]" class="Cephalopoda" family="Goniatitidae" genus="Goniatites" kingdom="Animalia" pageId="16" pageNumber="97" phylum="Mollusca" rank="species" species="choctawensis">
|
||
<emphasis id="B94FEABAFC4CFFBCFBE8F970FB26F909" box="[1085,1263,1669,1693]" italics="true" pageId="16" pageNumber="97">G. choctawensis</emphasis>
|
||
</taxonomicName>
|
||
as the only valid species in this group. After reviewing the literature and numerous specimens, we have concluded that all three established species of the “trapezoidal” group (
|
||
<emphasis id="B94FEABAFC4CFFBCFAD5F910FC28F888" italics="true" pageId="16" pageNumber="97">
|
||
<taxonomicName id="4C3B4D2BFC4CFFBCFAD5F910FA7BF969" authorityName="Miller" authorityYear="1889" box="[1280,1458,1765,1789]" class="Cephalopoda" family="Goniatitidae" genus="Goniatites" kingdom="Animalia" pageId="16" pageNumber="97" phylum="Mollusca" rank="species" species="kentuckiensis">G. kentuckiensis</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C3B4D2BFC4CFFBCFCE6F8F1FC28F888" authorityName="Shumard" authorityYear="1863" box="[819,993,1796,1820]" class="Cephalopoda" family="Goniatitidae" genus="Goniatites" kingdom="Animalia" pageId="16" pageNumber="97" phylum="Mollusca" rank="species" species="choctawensis">G. choctawensis</taxonomicName>
|
||
</emphasis>
|
||
, and
|
||
<taxonomicName id="4C3B4D2BFC4CFFBCFBC9F8F1FB6AF888" box="[1052,1187,1796,1820]" class="Cephalopoda" family="Goniatitidae" genus="Goniatites" kingdom="Animalia" pageId="16" pageNumber="97" phylum="Mollusca" rank="species" species="cumminsi">
|
||
<emphasis id="B94FEABAFC4CFFBCFBC9F8F1FB6AF888" box="[1052,1187,1796,1820]" italics="true" pageId="16" pageNumber="97">G. cumminsi</emphasis>
|
||
</taxonomicName>
|
||
) are valid and represent a stratigraphic and possibly evolutionary succession.
|
||
</paragraph>
|
||
<paragraph id="8B8436A8FC4CFFBFFC9BF8B0FD90FF73" blockId="16.[819,1463,1446,1916]" lastBlockId="19.[124,767,176,1156]" lastPageId="19" lastPageNumber="100" pageId="16" pageNumber="97">
|
||
The stratigraphically oldest species is
|
||
<taxonomicName id="4C3B4D2BFC4CFFBCFB2FF8B1FC52F8E8" authorityName="Miller" authorityYear="1889" class="Cephalopoda" family="Delepinoceratidae" genus="Choctawites" kingdom="Animalia" pageId="16" pageNumber="97" phylum="Mollusca" rank="species" species="kentuckiensis">
|
||
<emphasis id="B94FEABAFC4CFFBCFB2FF8B1FC52F8E8" italics="true" pageId="16" pageNumber="97">Choctawites kentuckiensis</emphasis>
|
||
</taxonomicName>
|
||
, which is associated with
|
||
<emphasis id="B94FEABAFC4CFFBCFB14F891FA7FF8E8" box="[1217,1462,1892,1916]" italics="true" pageId="16" pageNumber="97">
|
||
<taxonomicName id="4C3B4D2BFC4CFFBCFB14F891FABDF8E8" baseAuthorityName="Ruzhencev" baseAuthorityYear="1960" box="[1217,1396,1892,1916]" class="Cephalopoda" family="Girtyoceratidae" genus="Sulcogirtyoceras" kingdom="Animalia" pageId="16" pageNumber="97" phylum="Mollusca" rank="genus">Sulcogirtyoceras</taxonomicName>
|
||
<emphasis id="B94FEABAFC4DFFBDFFA9F91BFF6DF892" box="[124,164,1774,1798]" italics="true" pageId="17" pageNumber="98">limatum</emphasis>
|
||
</emphasis>
|
||
and can be differentiated from the other species because it possesses a moderately well-developed trapezoidal shape (
|
||
<figureCitation id="13002A2DFC4DFFBDFF51F8DBFF3EF8D1" box="[132,247,1838,1861]" captionStart="Figure 13" captionStartId="17.[124,191,1568,1590]" captionTargetBox="[243,1351,701,1530]" captionTargetId="graphics-210@17.[285,827,1150,1523]" captionTargetPageId="17" captionText="Figure 13. Choctawites kentuckiensis (Miller, 1889). (a) Cross section of specimen 57a from Moorefield, Arkansas; × 2.5. (b) Cross section of specimen MB.C.25470 from Moorefield, Arkansas; × 2.5. (c) Suture line of specimen MB.C.25471 from Moorefield, Arkansas, at 14.1 mm diameter, 10.2 mm ww, 6.6 mm wh; × 5.0. (d–f) Ontogenetic development of the conch width index (ww / dm), umbilical width index (uw / dm), and WER of all available specimens (cross section (a) was produced by R. Kant; the original specimen is stored in the collections of the University of Iowa, acetate peels are stored in the collections of the GPI Tübingen)." figureDoi="http://doi.org/10.5281/zenodo.11585653" httpUri="https://zenodo.org/record/11585653/files/figure.png" pageId="17" pageNumber="98">Fig. 13a, b</figureCitation>
|
||
) and late development of falcate ornament (typically appearing at diameters greater than
|
||
<quantity id="4CC39B4DFC4DFFBDFDE5F8BBFDB4F8F1" box="[560,637,1870,1893]" metricMagnitude="-2" metricUnit="m" metricValue="5.0" pageId="17" pageNumber="98" unit="mm" value="50.0">50 mm</quantity>
|
||
). This taxon was referred to as
|
||
<taxonomicName id="4C3B4D2BFC4DFFBDFBD3F91BFAD2F892" baseAuthorityName="Shumard" baseAuthorityYear="1863" box="[1030,1307,1774,1798]" class="Cephalopoda" family="Delepinoceratidae" genus="Dombarites" kingdom="Animalia" pageId="17" pageNumber="98" phylum="Mollusca" rank="species" species="choctawensis">
|
||
<emphasis id="B94FEABAFC4DFFBDFBD3F91BFAD2F892" box="[1030,1307,1774,1798]" italics="true" pageId="17" pageNumber="98">Dombarites choctawensis</emphasis>
|
||
</taxonomicName>
|
||
by
|
||
<bibRefCitation id="EFAA4B59FC4DFFBDFA9EF91BFC17F8B1" author="Work, D. M. & Mason, C. E." pageId="17" pageNumber="98" pagination="65 - 70" refId="ref19316" refString="Work, D. M. and Mason, C. E.: The Mississippian Ammonoid Succession in the Central Appalachian Basin, Eastern Kentucky, in: Carboniferous Geology and Biostratigraphy of the Appalachian Basin, Kentucky Geological Survey, Special Publication, 10, edited by: Greb, S. F. and Chesnut, D. R. J., University of Kentucky, Lexington, 65 - 70, 2009 a." type="book chapter" year="2009">Work and Mason (2009a)</bibRefCitation>
|
||
. However,
|
||
<typeStatus id="5480880AFC4DFFBDFB88F8FBFB42F8B1" box="[1117,1163,1806,1829]" pageId="17" pageNumber="98">type</typeStatus>
|
||
specimens of
|
||
<taxonomicName id="4C3B4D2BFC4DFFBDFAE6F8FBFC09F8D1" class="Cephalopoda" family="Delepinoceratidae" genus="Choctawites" kingdom="Animalia" pageId="17" pageNumber="98" phylum="Mollusca" rank="species" species="choctawensis">
|
||
<emphasis id="B94FEABAFC4DFFBDFAE6F8FBFC09F8D1" italics="true" pageId="17" pageNumber="98">Choctawites choctawensis</emphasis>
|
||
</taxonomicName>
|
||
consistently develop falcations by
|
||
<quantity id="4CC39B4DFC4DFFBDFA93F8DBFA7FF8D1" box="[1350,1462,1838,1861]" metricMagnitude="-2" metricUnit="m" metricValue="4.25" metricValueMax="4.5" metricValueMin="4.0" pageId="17" pageNumber="98" unit="mm" value="42.5" valueMax="45.0" valueMin="40.0">40–45 mm</quantity>
|
||
diameter. Also, the early ontogenies of
|
||
<taxonomicName id="4C3B4D2BFC4DFFBDFB04F8B8FA40F8F1" box="[1233,1417,1869,1893]" class="Cephalopoda" family="Delepinoceratidae" genus="Choctawites" kingdom="Animalia" pageId="17" pageNumber="98" phylum="Mollusca" rank="species" species="choctawensis">
|
||
<emphasis id="B94FEABAFC4DFFBDFB04F8B8FA40F8F1" box="[1233,1417,1869,1893]" italics="true" pageId="17" pageNumber="98">Ch. choctawensis</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C3B4D2BFC4EFFBEFFA9F958FEF2F951" baseAuthorityName="Miller" baseAuthorityYear="1889" box="[124,315,1709,1733]" class="Cephalopoda" family="Delepinoceratidae" genus="Choctawites" kingdom="Animalia" pageId="18" pageNumber="99" phylum="Mollusca" rank="species" species="kentuckiensis">
|
||
<emphasis id="B94FEABAFC4EFFBEFFA9F958FEF2F951" box="[124,315,1709,1733]" italics="true" pageId="18" pageNumber="99">Ch. kentuckiensis</emphasis>
|
||
</taxonomicName>
|
||
are similar, but the former has a much stronger expression of the trapezoidal shape. These two criteria can be used to readily differentiate between the two species. There is an apparent facies difference in the occurrence pattern of the two species, with
|
||
<taxonomicName id="4C3B4D2BFC4EFFBEFDCFF8D9FF70F8F0" baseAuthorityName="Miller" baseAuthorityYear="1889" class="Cephalopoda" family="Delepinoceratidae" genus="Choctawites" kingdom="Animalia" pageId="18" pageNumber="99" phylum="Mollusca" rank="species" species="kentuckiensis">
|
||
<emphasis id="B94FEABAFC4EFFBEFDCFF8D9FF70F8F0" italics="true" pageId="18" pageNumber="99">Choctawites kentuckiensis</emphasis>
|
||
</taxonomicName>
|
||
being known from shallower water deposits including a carbonate platform and pro-deltaic mudstone facies in the Appalachian and Ouachita foreland basins (
|
||
<bibRefCitation id="EFAA4B59FC4EFFBEFA88F938FCA2F890" author="Gordon, M. J." pageId="18" pageNumber="99" pagination="1 - 322" refId="ref16774" refString="Gordon, M. J.: Carboniferous Cephalopods of Arkansas, Professional Papers, U. S. Geological Survey, 460, 1 - 322, 1965." type="journal article" year="1965">Gordon, 1965</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="EFAA4B59FC4EFFBEFCACF918FB43F890" author="Work, D. M. & Mason, C. E." box="[889,1162,1773,1796]" pageId="18" pageNumber="99" pagination="65 - 70" refId="ref19316" refString="Work, D. M. and Mason, C. E.: The Mississippian Ammonoid Succession in the Central Appalachian Basin, Eastern Kentucky, in: Carboniferous Geology and Biostratigraphy of the Appalachian Basin, Kentucky Geological Survey, Special Publication, 10, edited by: Greb, S. F. and Chesnut, D. R. J., University of Kentucky, Lexington, 65 - 70, 2009 a." type="book chapter" year="2009">Work and Mason, 2009a</bibRefCitation>
|
||
), and
|
||
<taxonomicName id="4C3B4D2BFC4EFFBEFB1BF919FA43F890" box="[1230,1418,1772,1796]" class="Cephalopoda" family="Delepinoceratidae" genus="Choctawites" kingdom="Animalia" pageId="18" pageNumber="99" phylum="Mollusca" rank="species" species="choctawensis">
|
||
<emphasis id="B94FEABAFC4EFFBEFB1BF919FA43F890" box="[1230,1418,1772,1796]" italics="true" pageId="18" pageNumber="99">Ch. choctawensis</emphasis>
|
||
</taxonomicName>
|
||
occurring in the deeper water sequences of the Caney and Barnett shales. The exclusion of the latter from shallow water facies may have resulted from the sea level fall recorded by the Batesville Sandstone wedge in
|
||
<collectingRegion id="49FFF84AFC4FFFBFFE3AFF25FD9CFF73" box="[495,597,208,231]" country="United States of America" name="Arkansas" pageId="19" pageNumber="100">Arkansas</collectingRegion>
|
||
.
|
||
</paragraph>
|
||
<caption id="DF446620FC4DFFBDFFA9FF44FEF4FF70" ID-Table-UUID="DF446620FC4DFFBDFFA9FF44FEF4FF70" httpUri="http://table.plazi.org/id/DF446620FC4DFFBDFFA9FF44FEF4FF70" pageId="17" pageNumber="98" startId="17.[124,180,177,199]" targetBox="[143,1412,270,665]" targetIsTable="true" targetPageId="17" targetType="table">
|
||
<paragraph id="8B8436A8FC4DFFBDFFA9FF44FEF4FF70" blockId="17.[124,1462,177,228]" pageId="17" pageNumber="98">
|
||
<emphasis id="B94FEABAFC4DFFBDFFA9FF44FF04FF53" bold="true" box="[124,205,177,199]" pageId="17" pageNumber="98">Table 7.</emphasis>
|
||
Conch ontogeny of
|
||
<taxonomicName id="4C3B4D2BFC4DFFBDFE44FF44FD3AFF53" authority="(Hyatt, 1893)" baseAuthorityName="Hyatt" baseAuthorityYear="1893" box="[401,755,177,199]" class="Cephalopoda" family="Delepinoceratidae" genus="Choctawites" kingdom="Animalia" pageId="17" pageNumber="98" phylum="Mollusca" rank="species" species="cumminsi">
|
||
<emphasis id="B94FEABAFC4DFFBDFE44FF44FDA0FF52" box="[401,617,177,198]" italics="true" pageId="17" pageNumber="98">Choctawites cumminsi</emphasis>
|
||
(
|
||
<bibRefCitation id="EFAA4B59FC4DFFBDFDA3FF47FD25FF53" author="Hyatt, A." box="[630,748,178,199]" pageId="17" pageNumber="98" pagination="379 - 474" refId="ref16944" refString="Hyatt, A.: Carboniferous cephalopods, second paper, 4 th Annual Report of the Geological Survey of Texas, 327 - 356, 379 - 474, 1893." type="journal article" year="1893">Hyatt, 1893</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
; mainly based on specimens from San Saba (Elias Coll; cross sections by R. Kant, Tübingen).
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8B8436A8FC4DFFBDFF5AFEFBFC4FFD0D" pageId="17" pageNumber="98">
|
||
<table id="F93BC408FC4D0053FF5AFEFBFA4DFD0D" box="[143,1412,270,665]" gridcols="4" gridrows="11" pageId="17" pageNumber="98">
|
||
<tr id="350B34EAFC4D0053FF5AFEFBFA4DFEB7" box="[143,1412,270,291]" gridrow="0" pageId="17" pageNumber="98">
|
||
<th id="76DA5D96FC4D0053FF5AFEFBFF1FFEB7" box="[143,214,270,291]" gridcol="0" gridrow="0" pageId="17" pageNumber="98">dm</th>
|
||
<th id="76DA5D96FC4D0053FF23FEFBFD78FEB7" box="[246,689,270,291]" gridcol="1" gridrow="0" pageId="17" pageNumber="98">Conch shape</th>
|
||
<th id="76DA5D96FC4D0053FD0EFEFBFB55FEB7" box="[731,1180,270,291]" gridcol="2" gridrow="0" pageId="17" pageNumber="98">Whorl cross section shape</th>
|
||
<th id="76DA5D96FC4D0053FB15FEFBFA4DFEB7" box="[1216,1412,270,291]" gridcol="3" gridrow="0" pageId="17" pageNumber="98">Aperture</th>
|
||
</tr>
|
||
<tr id="350B34EAFC4D0053FF5AFEC9FA4DFEC5" box="[143,1412,316,337]" gridrow="1" pageId="17" pageNumber="98">
|
||
<th id="76DA5D96FC4D0053FF5AFEC9FF1FFEC5" box="[143,214,316,337]" gridcol="0" gridrow="1" pageId="17" pageNumber="98">1.5 mm</th>
|
||
<td id="76DA5D96FC4D0053FF23FEC9FD78FEC5" box="[246,689,316,337]" gridcol="1" gridrow="1" pageId="17" pageNumber="98">thickly pachyconic; subinvolute or subevolute</td>
|
||
<td id="76DA5D96FC4D0053FD0EFEC9FB55FEC5" box="[731,1180,316,337]" gridcol="2" gridrow="1" pageId="17" pageNumber="98">strongly depressed; very strongly embracing</td>
|
||
<td id="76DA5D96FC4D0053FB15FEC9FA4DFEC5" box="[1216,1412,316,337]" gridcol="3" gridrow="1" pageId="17" pageNumber="98">low</td>
|
||
</tr>
|
||
<tr id="350B34EAFC4D0053FF5AFEACFA4DFEFA" box="[143,1412,345,366]" gridrow="2" pageId="17" pageNumber="98" rowspan-0="1">
|
||
<td id="76DA5D96FC4D0053FF23FEACFD78FEFA" box="[246,689,345,366]" gridcol="1" gridrow="2" pageId="17" pageNumber="98">(ww / dm = 0.75–0.85; uw / dm = 0.25–0.35)</td>
|
||
<td id="76DA5D96FC4D0053FD0EFEACFB55FEFA" box="[731,1180,345,366]" gridcol="2" gridrow="2" pageId="17" pageNumber="98">(ww / wh = 2.00–2.25; IZR = 0.45–0.50)</td>
|
||
<td id="76DA5D96FC4D0053FB15FEACFA4DFEFA" box="[1216,1412,345,366]" gridcol="3" gridrow="2" pageId="17" pageNumber="98">(WER = 1.55–1.65)</td>
|
||
</tr>
|
||
<tr id="350B34EAFC4D0053FF5AFE72FA4DFE08" box="[143,1412,391,412]" gridrow="3" pageId="17" pageNumber="98">
|
||
<th id="76DA5D96FC4D0053FF5AFE72FF1FFE08" box="[143,214,391,412]" gridcol="0" gridrow="3" pageId="17" pageNumber="98">5 mm</th>
|
||
<td id="76DA5D96FC4D0053FF23FE72FD78FE08" box="[246,689,391,412]" gridcol="1" gridrow="3" pageId="17" pageNumber="98">globular; involute</td>
|
||
<td id="76DA5D96FC4D0053FD0EFE72FB55FE08" box="[731,1180,391,412]" gridcol="2" gridrow="3" pageId="17" pageNumber="98">moderately depressed; very strongly embracing</td>
|
||
<td id="76DA5D96FC4D0053FB15FE72FA4DFE08" box="[1216,1412,391,412]" gridcol="3" gridrow="3" pageId="17" pageNumber="98">low</td>
|
||
</tr>
|
||
<tr id="350B34EAFC4D0053FF5AFE56FA4DFE2D" box="[143,1412,419,441]" gridrow="4" pageId="17" pageNumber="98" rowspan-0="1">
|
||
<td id="76DA5D96FC4D0053FF23FE56FD78FE2D" box="[246,689,419,441]" gridcol="1" gridrow="4" pageId="17" pageNumber="98">(ww / dm = 0.90; uw / dm = 0.05–0.10)</td>
|
||
<td id="76DA5D96FC4D0053FD0EFE56FB55FE2D" box="[731,1180,419,441]" gridcol="2" gridrow="4" pageId="17" pageNumber="98">(ww / wh = 1.65; IZR = 0.55–0.60)</td>
|
||
<td id="76DA5D96FC4D0053FB15FE56FA4DFE2D" box="[1216,1412,419,441]" gridcol="3" gridrow="4" pageId="17" pageNumber="98">(WER = 1.60–1.75)</td>
|
||
</tr>
|
||
<tr id="350B34EAFC4D0053FF5AFE24FA4DFE72" box="[143,1412,465,486]" gridrow="5" pageId="17" pageNumber="98">
|
||
<th id="76DA5D96FC4D0053FF5AFE24FF1FFE72" box="[143,214,465,486]" gridcol="0" gridrow="5" pageId="17" pageNumber="98">10 mm</th>
|
||
<td id="76DA5D96FC4D0053FF23FE24FD78FE72" box="[246,689,465,486]" gridcol="1" gridrow="5" pageId="17" pageNumber="98">thickly pachyconic or globular; involute</td>
|
||
<td id="76DA5D96FC4D0053FD0EFE24FB55FE72" box="[731,1180,465,486]" gridcol="2" gridrow="5" pageId="17" pageNumber="98">moderately depressed; very strongly embracing</td>
|
||
<td id="76DA5D96FC4D0053FB15FE24FA4DFE72" box="[1216,1412,465,486]" gridcol="3" gridrow="5" pageId="17" pageNumber="98">low</td>
|
||
</tr>
|
||
<tr id="350B34EAFC4D0053FF5AFE1BFA4DFD97" box="[143,1412,494,515]" gridrow="6" pageId="17" pageNumber="98" rowspan-0="1">
|
||
<td id="76DA5D96FC4D0053FF23FE1BFD78FD97" box="[246,689,494,515]" gridcol="1" gridrow="6" pageId="17" pageNumber="98">(ww / dm = 0.85; uw / dm = 0.05)</td>
|
||
<td id="76DA5D96FC4D0053FD0EFE1BFB55FD97" box="[731,1180,494,515]" gridcol="2" gridrow="6" pageId="17" pageNumber="98">(ww / wh = 1.55; IZR = 0.50–0.60)</td>
|
||
<td id="76DA5D96FC4D0053FB15FE1BFA4DFD97" box="[1216,1412,494,515]" gridcol="3" gridrow="6" pageId="17" pageNumber="98">(WER = 1.60–1.75)</td>
|
||
</tr>
|
||
<tr id="350B34EAFC4D0053FF5AFDE9FA4DFDA5" box="[143,1412,540,561]" gridrow="7" pageId="17" pageNumber="98">
|
||
<th id="76DA5D96FC4D0053FF5AFDE9FF1FFDA5" box="[143,214,540,561]" gridcol="0" gridrow="7" pageId="17" pageNumber="98">25 mm</th>
|
||
<td id="76DA5D96FC4D0053FF23FDE9FD78FDA5" box="[246,689,540,561]" gridcol="1" gridrow="7" pageId="17" pageNumber="98">thinly pachyconic; involute</td>
|
||
<td id="76DA5D96FC4D0053FD0EFDE9FB55FDA5" box="[731,1180,540,561]" gridcol="2" gridrow="7" pageId="17" pageNumber="98">weakly depressed; very strongly embracing</td>
|
||
<td id="76DA5D96FC4D0053FB15FDE9FA4DFDA5" box="[1216,1412,540,561]" gridcol="3" gridrow="7" pageId="17" pageNumber="98">low</td>
|
||
</tr>
|
||
<tr id="350B34EAFC4D0053FF5AFDCCFA4DFDDA" box="[143,1412,569,590]" gridrow="8" pageId="17" pageNumber="98" rowspan-0="1">
|
||
<td id="76DA5D96FC4D0053FF23FDCCFD78FDDA" box="[246,689,569,590]" gridcol="1" gridrow="8" pageId="17" pageNumber="98">(ww / dm = 0.70; uw / dm = 0.05)</td>
|
||
<td id="76DA5D96FC4D0053FD0EFDCCFB55FDDA" box="[731,1180,569,590]" gridcol="2" gridrow="8" pageId="17" pageNumber="98">(ww / wh = 1.30; IZR = 0.55)</td>
|
||
<td id="76DA5D96FC4D0053FB15FDCCFA4DFDDA" box="[1216,1412,569,590]" gridcol="3" gridrow="8" pageId="17" pageNumber="98">(WER = 1.60–1.70)</td>
|
||
</tr>
|
||
<tr id="350B34EAFC4D0053FF5AFD93FA4DFDEF" box="[143,1412,614,635]" gridrow="9" pageId="17" pageNumber="98" rowspan-3="1">
|
||
<th id="76DA5D96FC4D0053FF5AFD93FF1FFDEF" box="[143,214,614,635]" gridcol="0" gridrow="9" pageId="17" pageNumber="98">50 mm</th>
|
||
<td id="76DA5D96FC4D0053FF23FD93FD78FDEF" box="[246,689,614,635]" gridcol="1" gridrow="9" pageId="17" pageNumber="98">thickly discoidal; involute</td>
|
||
<td id="76DA5D96FC4D0053FD0EFD93FB55FDEF" box="[731,1180,614,635]" gridcol="2" gridrow="9" pageId="17" pageNumber="98">weakly depressed</td>
|
||
</tr>
|
||
<tr id="350B34EAFC4D0053FF5AFD76FA4DFD0D" box="[143,1412,643,665]" gridrow="10" pageId="17" pageNumber="98" rowspan-0="1" rowspan-3="1">
|
||
<td id="76DA5D96FC4D0053FF23FD76FD78FD0D" box="[246,689,643,665]" gridcol="1" gridrow="10" pageId="17" pageNumber="98">(ww / dm = 0.58; uw / dm = 0.08)</td>
|
||
<td id="76DA5D96FC4D0053FD0EFD76FB55FD0D" box="[731,1180,643,665]" gridcol="2" gridrow="10" pageId="17" pageNumber="98">(ww / wh = 1.15)</td>
|
||
</tr>
|
||
</table>
|
||
</paragraph>
|
||
<caption id="DF446620FC4DFFBDFFA9F9D5FB8FF93F" ID-DOI="http://doi.org/10.5281/zenodo.11585653" ID-Zenodo-Dep="11585653" httpUri="https://zenodo.org/record/11585653/files/figure.png" pageId="17" pageNumber="98" startId="17.[124,191,1568,1590]" targetBox="[243,1351,701,1530]" targetPageId="17" targetType="figure">
|
||
<paragraph id="8B8436A8FC4DFFBDFFA9F9D5FB8FF93F" blockId="17.[124,1462,1568,1707]" pageId="17" pageNumber="98">
|
||
<emphasis id="B94FEABAFC4DFFBDFFA9F9D5FF2CF9A2" bold="true" box="[124,229,1568,1590]" pageId="17" pageNumber="98">Figure 13.</emphasis>
|
||
<taxonomicName id="4C3B4D2BFC4DFFBDFF39F9D5FDB3F9A2" authority="(Miller, 1889)" baseAuthorityName="Miller" baseAuthorityYear="1889" box="[236,634,1568,1590]" class="Cephalopoda" family="Delepinoceratidae" genus="Choctawites" kingdom="Animalia" pageId="17" pageNumber="98" phylum="Mollusca" rank="species" species="kentuckiensis">
|
||
<emphasis id="B94FEABAFC4DFFBDFF39F9D5FE21F9A1" box="[236,488,1568,1589]" italics="true" pageId="17" pageNumber="98">Choctawites kentuckiensis</emphasis>
|
||
(
|
||
<bibRefCitation id="EFAA4B59FC4DFFBDFE23F9D4FDBAF9A2" author="Miller, S. A." box="[502,627,1569,1590]" pageId="17" pageNumber="98" pagination="1 - 664" refId="ref18467" refString="Miller, S. A.: North American Geology and Palaeontology for the use of amateurs, students and scientists, 1 - 664, 1889." type="book chapter" year="1889">Miller, 1889</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
.
|
||
<emphasis id="B94FEABAFC4DFFBDFD51F9D5FD69F9A2" bold="true" box="[644,672,1568,1590]" pageId="17" pageNumber="98">(a)</emphasis>
|
||
Cross section of specimen 57a from Moorefield, Arkansas; × 2.5.
|
||
<emphasis id="B94FEABAFC4DFFBDFAF8F9D5FA83F9A2" bold="true" box="[1325,1354,1568,1590]" pageId="17" pageNumber="98">(b)</emphasis>
|
||
Cross section of specimen MB.C.25470 from Moorefield, Arkansas; × 2.5.
|
||
<emphasis id="B94FEABAFC4DFFBDFD2AF9C8FCD0F9C7" bold="true" box="[767,793,1597,1619]" pageId="17" pageNumber="98">(c)</emphasis>
|
||
Suture line of specimen MB.C.25471 from Moorefield, Arkansas, at 14.1 mm diameter, 10.2 mm ww, 6.6 mm wh; × 5.0.
|
||
<emphasis id="B94FEABAFC4DFFBDFDA3F9AFFD61F9E4" bold="true" box="[630,680,1626,1648]" pageId="17" pageNumber="98">(d–f)</emphasis>
|
||
Ontogenetic development of the conch width index (ww / dm), umbilical width index (uw / dm), and WER of all available specimens (cross section
|
||
<emphasis id="B94FEABAFC4DFFBDFCCBF98DFCF3F91A" bold="true" box="[798,826,1656,1678]" pageId="17" pageNumber="98">(a)</emphasis>
|
||
was produced by R. Kant; the original specimen is stored in the collections of the University of Iowa, acetate peels are stored in the collections of the GPI Tübingen).
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="DF446620FC4EFFBEFFA9FC08FAEDFB1C" ID-DOI="http://doi.org/10.5281/zenodo.11585655" ID-Zenodo-Dep="11585655" httpUri="https://zenodo.org/record/11585655/files/figure.png" pageId="18" pageNumber="99" startId="18.[124,191,1021,1043]" targetBox="[169,1419,178,983]" targetPageId="18" targetType="figure">
|
||
<paragraph id="8B8436A8FC4EFFBEFFA9FC08FAEDFB1C" blockId="18.[124,1462,1021,1160]" pageId="18" pageNumber="99">
|
||
<emphasis id="B94FEABAFC4EFFBEFFA9FC08FF2AFB87" bold="true" box="[124,227,1021,1043]" pageId="18" pageNumber="99">Figure 14.</emphasis>
|
||
<taxonomicName id="4C3B4D2BFC4EFFBEFF3CFC08FD46FB87" authority="(Shumard, 1863)" baseAuthorityName="Shumard" baseAuthorityYear="1863" box="[233,655,1021,1043]" class="Cephalopoda" family="Delepinoceratidae" genus="Choctawites" kingdom="Animalia" pageId="18" pageNumber="99" phylum="Mollusca" rank="species" species="choctawensis">
|
||
<emphasis id="B94FEABAFC4EFFBEFF3CFC08FE2DFB86" box="[233,484,1021,1042]" italics="true" pageId="18" pageNumber="99">Choctawites choctawensis</emphasis>
|
||
(
|
||
<bibRefCitation id="EFAA4B59FC4EFFBEFE24FC0BFD41FB87" author="Shumard, B. F." box="[497,648,1022,1043]" pageId="18" pageNumber="99" pagination="108 - 113" refId="ref18978" refString="Shumard, B. F.: Descriptions of new Paleozoic fossils, Transactions of the St. Louis Academy of Science, 2, 108 - 113, 1863." type="journal article" year="1863">Shumard, 1863</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
.
|
||
<emphasis id="B94FEABAFC4EFFBEFD4DFC08FD7DFB87" bold="true" box="[664,692,1021,1043]" pageId="18" pageNumber="99">(a)</emphasis>
|
||
Cross section of topotype USNM 119504 from Brushy Creek, Oklahoma; × 2.5 (from
|
||
<bibRefCitation id="EFAA4B59FC4EFFBEFF6FFBEEFE8DFBA4" author="Gordon, M. J." box="[186,324,1051,1072]" pageId="18" pageNumber="99" pagination="1 - 322" refId="ref16774" refString="Gordon, M. J.: Carboniferous Cephalopods of Arkansas, Professional Papers, U. S. Geological Survey, 460, 1 - 322, 1965." type="journal article" year="1965">Gordon, 1965</bibRefCitation>
|
||
).
|
||
<emphasis id="B94FEABAFC4EFFBEFE83FBEFFEBAFBA4" bold="true" box="[342,371,1050,1072]" pageId="18" pageNumber="99">(b)</emphasis>
|
||
Cross section of specimen 71 from Ada, Oklahoma; × 2.5.
|
||
<emphasis id="B94FEABAFC4EFFBEFC17FBEFFC15FBA4" bold="true" box="[962,988,1050,1072]" pageId="18" pageNumber="99">(c)</emphasis>
|
||
Cross section of specimen 26-1 from San Saba; × 2.5.
|
||
<emphasis id="B94FEABAFC4EFFBEFF6AFBC2FF39FBD9" bold="true" box="[191,240,1079,1101]" pageId="18" pageNumber="99">(d–f)</emphasis>
|
||
, Ontogenetic development of the conch width index (ww / dm), umbilical width index (uw / dm), and whorl expansion rate (WER) of all available specimens (the cross sections of specimens
|
||
<emphasis id="B94FEABAFC4EFFBEFCCDFBA0FCFDFBFF" bold="true" box="[792,820,1109,1131]" pageId="18" pageNumber="99">(b)</emphasis>
|
||
and
|
||
<emphasis id="B94FEABAFC4EFFBEFCBCFBA0FC4AFBFF" bold="true" box="[873,899,1109,1131]" pageId="18" pageNumber="99">(c)</emphasis>
|
||
from Ada and San Saba were produced by R. Kant; the original specimens is stored in the collections of the USNM, acetate peels are stored in the collections of the GPI Tübingen).
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="DF446620FC4EFFBEFFA9FB43FB32FB58" box="[124,1275,1206,1228]" pageId="18" pageNumber="99" startId="18.[124,180,1206,1228]" targetBox="[273,1313,1270,1629]" targetIsTable="true" targetPageId="18" targetType="table">
|
||
<paragraph id="8B8436A8FC4EFFBEFFA9FB43FB32FB58" blockId="18.[124,1275,1206,1228]" box="[124,1275,1206,1228]" pageId="18" pageNumber="99">
|
||
<emphasis id="B94FEABAFC4EFFBEFFA9FB43FF05FB58" bold="true" box="[124,204,1206,1228]" pageId="18" pageNumber="99">Table 8.</emphasis>
|
||
Conch dimensions and ratios for
|
||
<taxonomicName id="4C3B4D2BFC4EFFBEFDDAFB42FCA7FB58" authority="(Hyatt, 1893)" baseAuthorityName="Hyatt" baseAuthorityYear="1893" box="[527,878,1207,1228]" class="Cephalopoda" family="Delepinoceratidae" genus="Choctawites" kingdom="Animalia" pageId="18" pageNumber="99" phylum="Mollusca" rank="species" species="cumminsi">
|
||
<emphasis id="B94FEABAFC4EFFBEFDDAFB42FD2EFB58" box="[527,743,1207,1228]" italics="true" pageId="18" pageNumber="99">Choctawites cumminsi</emphasis>
|
||
(
|
||
<bibRefCitation id="EFAA4B59FC4EFFBEFD26FB42FCAEFB58" author="Hyatt, A." box="[755,871,1207,1228]" pageId="18" pageNumber="99" pagination="379 - 474" refId="ref16944" refString="Hyatt, A.: Carboniferous cephalopods, second paper, 4 th Annual Report of the Geological Survey of Texas, 327 - 356, 379 - 474, 1893." type="journal article" year="1893">Hyatt, 1893</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
from the type area and the Sierra Diablo.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8B8436A8FC4EFFBEFEC4FB02FAE8F9C9" pageId="18" pageNumber="99">
|
||
<table id="F93BC408FC4E0053FEC4FB03FAE8F9C9" box="[273,1313,1270,1629]" colsContinueFrom="9.[309,1278,265,420]" gridcols="11" gridrows="12" pageId="18" pageNumber="99">
|
||
<tr id="350B34EAFC4E0053FEC4FB03FAE8FA98" box="[273,1313,1270,1292]" gridrow="0" pageId="18" pageNumber="99">
|
||
<th id="76DA5D96FC4E0053FEC4FB03FE1DFA98" box="[273,468,1270,1292]" gridcol="0" gridrow="0" pageId="18" pageNumber="99">Specimen</th>
|
||
<th id="76DA5D96FC4E0053FE26FB03FDD7FA98" box="[499,542,1270,1292]" gridcol="1" gridrow="0" pageId="18" pageNumber="99">dm</th>
|
||
<th id="76DA5D96FC4E0053FDE8FB03FDA1FA98" box="[573,616,1270,1292]" gridcol="2" gridrow="0" pageId="18" pageNumber="99">ww</th>
|
||
<th id="76DA5D96FC4E0053FD52FB03FD78FA98" box="[647,689,1270,1292]" gridcol="3" gridrow="0" pageId="18" pageNumber="99">wh</th>
|
||
<th id="76DA5D96FC4E0053FD04FB03FD26FA98" box="[721,751,1270,1292]" gridcol="4" gridrow="0" pageId="18" pageNumber="99">uw</th>
|
||
<th id="76DA5D96FC4E0053FCDBFB03FCE4FA98" box="[782,813,1270,1292]" gridcol="5" gridrow="0" pageId="18" pageNumber="99">ah</th>
|
||
<th id="76DA5D96FC4E0053FC99FB03FC68FA98" box="[844,929,1270,1292]" gridcol="6" gridrow="0" pageId="18" pageNumber="99">ww / dm</th>
|
||
<th id="76DA5D96FC4E0053FC15FB03FBDAFA98" box="[960,1043,1270,1292]" gridcol="7" gridrow="0" pageId="18" pageNumber="99">ww / wh</th>
|
||
<th id="76DA5D96FC4E0053FBE6FB03FB4AFA98" box="[1075,1155,1270,1292]" gridcol="8" gridrow="0" pageId="18" pageNumber="99">uw / dm</th>
|
||
<th id="76DA5D96FC4E0053FB77FB03FB1EFA98" box="[1186,1239,1270,1292]" gridcol="9" gridrow="0" pageId="18" pageNumber="99">WER</th>
|
||
<th id="76DA5D96FC4E0053FB22FB03FAE8FA98" box="[1271,1313,1270,1292]" gridcol="10" gridrow="0" pageId="18" pageNumber="99">IZR</th>
|
||
</tr>
|
||
<tr id="350B34EAFC4E0053FEC4FAD1FAE8FAAD" box="[273,1313,1316,1337]" gridrow="1" pageId="18" pageNumber="99">
|
||
<th id="76DA5D96FC4E0053FEC4FAD1FE1DFAAD" box="[273,468,1316,1337]" gridcol="0" gridrow="1" pageId="18" pageNumber="99">Paratype-UT 12032</th>
|
||
<td id="76DA5D96FC4E0053FE26FAD1FDD7FAAD" box="[499,542,1316,1337]" gridcol="1" gridrow="1" pageId="18" pageNumber="99">50.0</td>
|
||
<td id="76DA5D96FC4E0053FDE8FAD1FDA1FAAD" box="[573,616,1316,1337]" gridcol="2" gridrow="1" pageId="18" pageNumber="99">29.0</td>
|
||
<td id="76DA5D96FC4E0053FD52FAD1FD78FAAD" box="[647,689,1316,1337]" gridcol="3" gridrow="1" pageId="18" pageNumber="99">26.0</td>
|
||
<td id="76DA5D96FC4E0053FD04FAD1FD26FAAD" box="[721,751,1316,1337]" gridcol="4" gridrow="1" pageId="18" pageNumber="99">4.0</td>
|
||
<td id="76DA5D96FC4E0053FCDBFAD1FCE4FAAD" box="[782,813,1316,1337]" gridcol="5" gridrow="1" pageId="18" pageNumber="99">–</td>
|
||
<td id="76DA5D96FC4E0053FC99FAD1FC68FAAD" box="[844,929,1316,1337]" gridcol="6" gridrow="1" pageId="18" pageNumber="99">0.58</td>
|
||
<td id="76DA5D96FC4E0053FC15FAD1FBDAFAAD" box="[960,1043,1316,1337]" gridcol="7" gridrow="1" pageId="18" pageNumber="99">1.12</td>
|
||
<td id="76DA5D96FC4E0053FBE6FAD1FB4AFAAD" box="[1075,1155,1316,1337]" gridcol="8" gridrow="1" pageId="18" pageNumber="99">0.08</td>
|
||
<td id="76DA5D96FC4E0053FB77FAD1FB1EFAAD" box="[1186,1239,1316,1337]" gridcol="9" gridrow="1" pageId="18" pageNumber="99">–</td>
|
||
<td id="76DA5D96FC4E0053FB22FAD1FAE8FAAD" box="[1271,1313,1316,1337]" gridcol="10" gridrow="1" pageId="18" pageNumber="99">–</td>
|
||
</tr>
|
||
<tr id="350B34EAFC4E0053FEC4FAB4FAE8FAC2" box="[273,1313,1345,1366]" gridrow="2" pageId="18" pageNumber="99">
|
||
<th id="76DA5D96FC4E0053FEC4FAB4FE1DFAC2" box="[273,468,1345,1366]" gridcol="0" gridrow="2" pageId="18" pageNumber="99">Holotype-UT 12031</th>
|
||
<td id="76DA5D96FC4E0053FE26FAB4FDD7FAC2" box="[499,542,1345,1366]" gridcol="1" gridrow="2" pageId="18" pageNumber="99">20.8</td>
|
||
<td id="76DA5D96FC4E0053FDE8FAB4FDA1FAC2" box="[573,616,1345,1366]" gridcol="2" gridrow="2" pageId="18" pageNumber="99">14.6</td>
|
||
<td id="76DA5D96FC4E0053FD52FAB4FD78FAC2" box="[647,689,1345,1366]" gridcol="3" gridrow="2" pageId="18" pageNumber="99">11.5</td>
|
||
<td id="76DA5D96FC4E0053FD04FAB4FD26FAC2" box="[721,751,1345,1366]" gridcol="4" gridrow="2" pageId="18" pageNumber="99">1.8</td>
|
||
<td id="76DA5D96FC4E0053FCDBFAB4FCE4FAC2" box="[782,813,1345,1366]" gridcol="5" gridrow="2" pageId="18" pageNumber="99">4.7</td>
|
||
<td id="76DA5D96FC4E0053FC99FAB4FC68FAC2" box="[844,929,1345,1366]" gridcol="6" gridrow="2" pageId="18" pageNumber="99">0.70</td>
|
||
<td id="76DA5D96FC4E0053FC15FAB4FBDAFAC2" box="[960,1043,1345,1366]" gridcol="7" gridrow="2" pageId="18" pageNumber="99">1.27</td>
|
||
<td id="76DA5D96FC4E0053FBE6FAB4FB4AFAC2" box="[1075,1155,1345,1366]" gridcol="8" gridrow="2" pageId="18" pageNumber="99">0.09</td>
|
||
<td id="76DA5D96FC4E0053FB77FAB4FB1EFAC2" box="[1186,1239,1345,1366]" gridcol="9" gridrow="2" pageId="18" pageNumber="99">1.67</td>
|
||
<td id="76DA5D96FC4E0053FB22FAB4FAE8FAC2" box="[1271,1313,1345,1366]" gridcol="10" gridrow="2" pageId="18" pageNumber="99">0.59</td>
|
||
</tr>
|
||
<tr id="350B34EAFC4E0053FEC4FAAAFAE8FAE0" box="[273,1313,1375,1396]" gridrow="3" pageId="18" pageNumber="99">
|
||
<th id="76DA5D96FC4E0053FEC4FAAAFE1DFAE0" box="[273,468,1375,1396]" gridcol="0" gridrow="3" pageId="18" pageNumber="99">NPL 68502</th>
|
||
<td id="76DA5D96FC4E0053FE26FAAAFDD7FAE0" box="[499,542,1375,1396]" gridcol="1" gridrow="3" pageId="18" pageNumber="99">19.8</td>
|
||
<td id="76DA5D96FC4E0053FDE8FAAAFDA1FAE0" box="[573,616,1375,1396]" gridcol="2" gridrow="3" pageId="18" pageNumber="99">14.5</td>
|
||
<td id="76DA5D96FC4E0053FD52FAAAFD78FAE0" box="[647,689,1375,1396]" gridcol="3" gridrow="3" pageId="18" pageNumber="99">11.4</td>
|
||
<td id="76DA5D96FC4E0053FD04FAAAFD26FAE0" box="[721,751,1375,1396]" gridcol="4" gridrow="3" pageId="18" pageNumber="99">1.6</td>
|
||
<td id="76DA5D96FC4E0053FCDBFAAAFCE4FAE0" box="[782,813,1375,1396]" gridcol="5" gridrow="3" pageId="18" pageNumber="99">4.5</td>
|
||
<td id="76DA5D96FC4E0053FC99FAAAFC68FAE0" box="[844,929,1375,1396]" gridcol="6" gridrow="3" pageId="18" pageNumber="99">0.73</td>
|
||
<td id="76DA5D96FC4E0053FC15FAAAFBDAFAE0" box="[960,1043,1375,1396]" gridcol="7" gridrow="3" pageId="18" pageNumber="99">1.27</td>
|
||
<td id="76DA5D96FC4E0053FBE6FAAAFB4AFAE0" box="[1075,1155,1375,1396]" gridcol="8" gridrow="3" pageId="18" pageNumber="99">0.08</td>
|
||
<td id="76DA5D96FC4E0053FB77FAAAFB1EFAE0" box="[1186,1239,1375,1396]" gridcol="9" gridrow="3" pageId="18" pageNumber="99">1.67</td>
|
||
<td id="76DA5D96FC4E0053FB22FAAAFAE8FAE0" box="[1271,1313,1375,1396]" gridcol="10" gridrow="3" pageId="18" pageNumber="99">0.61</td>
|
||
</tr>
|
||
<tr id="350B34EAFC4E0053FEC4FA89FAE8FA05" box="[273,1313,1404,1425]" gridrow="4" pageId="18" pageNumber="99">
|
||
<th id="76DA5D96FC4E0053FEC4FA89FE1DFA05" box="[273,468,1404,1425]" gridcol="0" gridrow="4" pageId="18" pageNumber="99">NPL 68497</th>
|
||
<td id="76DA5D96FC4E0053FE26FA89FDD7FA05" box="[499,542,1404,1425]" gridcol="1" gridrow="4" pageId="18" pageNumber="99">19.6</td>
|
||
<td id="76DA5D96FC4E0053FDE8FA89FDA1FA05" box="[573,616,1404,1425]" gridcol="2" gridrow="4" pageId="18" pageNumber="99">14.6</td>
|
||
<td id="76DA5D96FC4E0053FD52FA89FD78FA05" box="[647,689,1404,1425]" gridcol="3" gridrow="4" pageId="18" pageNumber="99">10.7</td>
|
||
<td id="76DA5D96FC4E0053FD04FA89FD26FA05" box="[721,751,1404,1425]" gridcol="4" gridrow="4" pageId="18" pageNumber="99">2.0</td>
|
||
<td id="76DA5D96FC4E0053FCDBFA89FCE4FA05" box="[782,813,1404,1425]" gridcol="5" gridrow="4" pageId="18" pageNumber="99">4.3</td>
|
||
<td id="76DA5D96FC4E0053FC99FA89FC68FA05" box="[844,929,1404,1425]" gridcol="6" gridrow="4" pageId="18" pageNumber="99">0.74</td>
|
||
<td id="76DA5D96FC4E0053FC15FA89FBDAFA05" box="[960,1043,1404,1425]" gridcol="7" gridrow="4" pageId="18" pageNumber="99">1.36</td>
|
||
<td id="76DA5D96FC4E0053FBE6FA89FB4AFA05" box="[1075,1155,1404,1425]" gridcol="8" gridrow="4" pageId="18" pageNumber="99">0.10</td>
|
||
<td id="76DA5D96FC4E0053FB77FA89FB1EFA05" box="[1186,1239,1404,1425]" gridcol="9" gridrow="4" pageId="18" pageNumber="99">1.64</td>
|
||
<td id="76DA5D96FC4E0053FB22FA89FAE8FA05" box="[1271,1313,1404,1425]" gridcol="10" gridrow="4" pageId="18" pageNumber="99">0.60</td>
|
||
</tr>
|
||
<tr id="350B34EAFC4E0053FEC4FA6CFAE8FA3A" box="[273,1313,1433,1454]" gridrow="5" pageId="18" pageNumber="99">
|
||
<th id="76DA5D96FC4E0053FEC4FA6CFE1DFA3A" box="[273,468,1433,1454]" gridcol="0" gridrow="5" pageId="18" pageNumber="99">NPL 68503</th>
|
||
<td id="76DA5D96FC4E0053FE26FA6CFDD7FA3A" box="[499,542,1433,1454]" gridcol="1" gridrow="5" pageId="18" pageNumber="99">17.6</td>
|
||
<td id="76DA5D96FC4E0053FDE8FA6CFDA1FA3A" box="[573,616,1433,1454]" gridcol="2" gridrow="5" pageId="18" pageNumber="99">13.5</td>
|
||
<td id="76DA5D96FC4E0053FD52FA6CFD78FA3A" box="[647,689,1433,1454]" gridcol="3" gridrow="5" pageId="18" pageNumber="99">9.6</td>
|
||
<td id="76DA5D96FC4E0053FD04FA6CFD26FA3A" box="[721,751,1433,1454]" gridcol="4" gridrow="5" pageId="18" pageNumber="99">1.9</td>
|
||
<td id="76DA5D96FC4E0053FCDBFA6CFCE4FA3A" box="[782,813,1433,1454]" gridcol="5" gridrow="5" pageId="18" pageNumber="99">3.9</td>
|
||
<td id="76DA5D96FC4E0053FC99FA6CFC68FA3A" box="[844,929,1433,1454]" gridcol="6" gridrow="5" pageId="18" pageNumber="99">0.77</td>
|
||
<td id="76DA5D96FC4E0053FC15FA6CFBDAFA3A" box="[960,1043,1433,1454]" gridcol="7" gridrow="5" pageId="18" pageNumber="99">1.41</td>
|
||
<td id="76DA5D96FC4E0053FBE6FA6CFB4AFA3A" box="[1075,1155,1433,1454]" gridcol="8" gridrow="5" pageId="18" pageNumber="99">0.11</td>
|
||
<td id="76DA5D96FC4E0053FB77FA6CFB1EFA3A" box="[1186,1239,1433,1454]" gridcol="9" gridrow="5" pageId="18" pageNumber="99">1.65</td>
|
||
<td id="76DA5D96FC4E0053FB22FA6CFAE8FA3A" box="[1271,1313,1433,1454]" gridcol="10" gridrow="5" pageId="18" pageNumber="99">0.59</td>
|
||
</tr>
|
||
<tr id="350B34EAFC4E0053FEC4FA43FAE8FA5F" box="[273,1313,1462,1483]" gridrow="6" pageId="18" pageNumber="99">
|
||
<th id="76DA5D96FC4E0053FEC4FA43FE1DFA5F" box="[273,468,1462,1483]" gridcol="0" gridrow="6" pageId="18" pageNumber="99">NPL 68498</th>
|
||
<td id="76DA5D96FC4E0053FE26FA43FDD7FA5F" box="[499,542,1462,1483]" gridcol="1" gridrow="6" pageId="18" pageNumber="99">17.2</td>
|
||
<td id="76DA5D96FC4E0053FDE8FA43FDA1FA5F" box="[573,616,1462,1483]" gridcol="2" gridrow="6" pageId="18" pageNumber="99">12.9</td>
|
||
<td id="76DA5D96FC4E0053FD52FA43FD78FA5F" box="[647,689,1462,1483]" gridcol="3" gridrow="6" pageId="18" pageNumber="99">8.9</td>
|
||
<td id="76DA5D96FC4E0053FD04FA43FD26FA5F" box="[721,751,1462,1483]" gridcol="4" gridrow="6" pageId="18" pageNumber="99">1.9</td>
|
||
<td id="76DA5D96FC4E0053FCDBFA43FCE4FA5F" box="[782,813,1462,1483]" gridcol="5" gridrow="6" pageId="18" pageNumber="99">4.1</td>
|
||
<td id="76DA5D96FC4E0053FC99FA43FC68FA5F" box="[844,929,1462,1483]" gridcol="6" gridrow="6" pageId="18" pageNumber="99">0.75</td>
|
||
<td id="76DA5D96FC4E0053FC15FA43FBDAFA5F" box="[960,1043,1462,1483]" gridcol="7" gridrow="6" pageId="18" pageNumber="99">1.45</td>
|
||
<td id="76DA5D96FC4E0053FBE6FA43FB4AFA5F" box="[1075,1155,1462,1483]" gridcol="8" gridrow="6" pageId="18" pageNumber="99">0.11</td>
|
||
<td id="76DA5D96FC4E0053FB77FA43FB1EFA5F" box="[1186,1239,1462,1483]" gridcol="9" gridrow="6" pageId="18" pageNumber="99">1.72</td>
|
||
<td id="76DA5D96FC4E0053FB22FA43FAE8FA5F" box="[1271,1313,1462,1483]" gridcol="10" gridrow="6" pageId="18" pageNumber="99">0.54</td>
|
||
</tr>
|
||
<tr id="350B34EAFC4E0053FEC4FA21FAE8FA7D" box="[273,1313,1492,1513]" gridrow="7" pageId="18" pageNumber="99">
|
||
<th id="76DA5D96FC4E0053FEC4FA21FE1DFA7D" box="[273,468,1492,1513]" gridcol="0" gridrow="7" pageId="18" pageNumber="99">NPL 68504</th>
|
||
<td id="76DA5D96FC4E0053FE26FA21FDD7FA7D" box="[499,542,1492,1513]" gridcol="1" gridrow="7" pageId="18" pageNumber="99">15.3</td>
|
||
<td id="76DA5D96FC4E0053FDE8FA21FDA1FA7D" box="[573,616,1492,1513]" gridcol="2" gridrow="7" pageId="18" pageNumber="99">12.5</td>
|
||
<td id="76DA5D96FC4E0053FD52FA21FD78FA7D" box="[647,689,1492,1513]" gridcol="3" gridrow="7" pageId="18" pageNumber="99">8.4</td>
|
||
<td id="76DA5D96FC4E0053FD04FA21FD26FA7D" box="[721,751,1492,1513]" gridcol="4" gridrow="7" pageId="18" pageNumber="99">1.8</td>
|
||
<td id="76DA5D96FC4E0053FCDBFA21FCE4FA7D" box="[782,813,1492,1513]" gridcol="5" gridrow="7" pageId="18" pageNumber="99">–</td>
|
||
<td id="76DA5D96FC4E0053FC99FA21FC68FA7D" box="[844,929,1492,1513]" gridcol="6" gridrow="7" pageId="18" pageNumber="99">0.82</td>
|
||
<td id="76DA5D96FC4E0053FC15FA21FBDAFA7D" box="[960,1043,1492,1513]" gridcol="7" gridrow="7" pageId="18" pageNumber="99">1.49</td>
|
||
<td id="76DA5D96FC4E0053FBE6FA21FB4AFA7D" box="[1075,1155,1492,1513]" gridcol="8" gridrow="7" pageId="18" pageNumber="99">0.12</td>
|
||
<td id="76DA5D96FC4E0053FB77FA21FB1EFA7D" box="[1186,1239,1492,1513]" gridcol="9" gridrow="7" pageId="18" pageNumber="99">–</td>
|
||
<td id="76DA5D96FC4E0053FB22FA21FAE8FA7D" box="[1271,1313,1492,1513]" gridcol="10" gridrow="7" pageId="18" pageNumber="99">–</td>
|
||
</tr>
|
||
<tr id="350B34EAFC4E0053FEC4FA04FAE8F992" box="[273,1313,1521,1542]" gridrow="8" pageId="18" pageNumber="99">
|
||
<th id="76DA5D96FC4E0053FEC4FA04FE1DF992" box="[273,468,1521,1542]" gridcol="0" gridrow="8" pageId="18" pageNumber="99">NPL 68505</th>
|
||
<td id="76DA5D96FC4E0053FE26FA04FDD7F992" box="[499,542,1521,1542]" gridcol="1" gridrow="8" pageId="18" pageNumber="99">14.8</td>
|
||
<td id="76DA5D96FC4E0053FDE8FA04FDA1F992" box="[573,616,1521,1542]" gridcol="2" gridrow="8" pageId="18" pageNumber="99">11.9</td>
|
||
<td id="76DA5D96FC4E0053FD52FA04FD78F992" box="[647,689,1521,1542]" gridcol="3" gridrow="8" pageId="18" pageNumber="99">8.0</td>
|
||
<td id="76DA5D96FC4E0053FD04FA04FD26F992" box="[721,751,1521,1542]" gridcol="4" gridrow="8" pageId="18" pageNumber="99">1.8</td>
|
||
<td id="76DA5D96FC4E0053FCDBFA04FCE4F992" box="[782,813,1521,1542]" gridcol="5" gridrow="8" pageId="18" pageNumber="99">3.5</td>
|
||
<td id="76DA5D96FC4E0053FC99FA04FC68F992" box="[844,929,1521,1542]" gridcol="6" gridrow="8" pageId="18" pageNumber="99">0.80</td>
|
||
<td id="76DA5D96FC4E0053FC15FA04FBDAF992" box="[960,1043,1521,1542]" gridcol="7" gridrow="8" pageId="18" pageNumber="99">1.49</td>
|
||
<td id="76DA5D96FC4E0053FBE6FA04FB4AF992" box="[1075,1155,1521,1542]" gridcol="8" gridrow="8" pageId="18" pageNumber="99">0.12</td>
|
||
<td id="76DA5D96FC4E0053FB77FA04FB1EF992" box="[1186,1239,1521,1542]" gridcol="9" gridrow="8" pageId="18" pageNumber="99">1.72</td>
|
||
<td id="76DA5D96FC4E0053FB22FA04FAE8F992" box="[1271,1313,1521,1542]" gridcol="10" gridrow="8" pageId="18" pageNumber="99">0.56</td>
|
||
</tr>
|
||
<tr id="350B34EAFC4E0053FEC4F9FBFAE8F9B7" box="[273,1313,1550,1571]" gridrow="9" pageId="18" pageNumber="99">
|
||
<th id="76DA5D96FC4E0053FEC4F9FBFE1DF9B7" box="[273,468,1550,1571]" gridcol="0" gridrow="9" pageId="18" pageNumber="99">NPL 68500</th>
|
||
<td id="76DA5D96FC4E0053FE26F9FBFDD7F9B7" box="[499,542,1550,1571]" gridcol="1" gridrow="9" pageId="18" pageNumber="99">14.5</td>
|
||
<td id="76DA5D96FC4E0053FDE8F9FBFDA1F9B7" box="[573,616,1550,1571]" gridcol="2" gridrow="9" pageId="18" pageNumber="99">11.6</td>
|
||
<td id="76DA5D96FC4E0053FD52F9FBFD78F9B7" box="[647,689,1550,1571]" gridcol="3" gridrow="9" pageId="18" pageNumber="99">7.7</td>
|
||
<td id="76DA5D96FC4E0053FD04F9FBFD26F9B7" box="[721,751,1550,1571]" gridcol="4" gridrow="9" pageId="18" pageNumber="99">2.1</td>
|
||
<td id="76DA5D96FC4E0053FCDBF9FBFCE4F9B7" box="[782,813,1550,1571]" gridcol="5" gridrow="9" pageId="18" pageNumber="99">3.3</td>
|
||
<td id="76DA5D96FC4E0053FC99F9FBFC68F9B7" box="[844,929,1550,1571]" gridcol="6" gridrow="9" pageId="18" pageNumber="99">0.80</td>
|
||
<td id="76DA5D96FC4E0053FC15F9FBFBDAF9B7" box="[960,1043,1550,1571]" gridcol="7" gridrow="9" pageId="18" pageNumber="99">1.51</td>
|
||
<td id="76DA5D96FC4E0053FBE6F9FBFB4AF9B7" box="[1075,1155,1550,1571]" gridcol="8" gridrow="9" pageId="18" pageNumber="99">0.14</td>
|
||
<td id="76DA5D96FC4E0053FB77F9FBFB1EF9B7" box="[1186,1239,1550,1571]" gridcol="9" gridrow="9" pageId="18" pageNumber="99">1.68</td>
|
||
<td id="76DA5D96FC4E0053FB22F9FBFAE8F9B7" box="[1271,1313,1550,1571]" gridcol="10" gridrow="9" pageId="18" pageNumber="99">0.57</td>
|
||
</tr>
|
||
<tr id="350B34EAFC4E0053FEC4F9DEFAE8F9D4" box="[273,1313,1579,1600]" gridrow="10" pageId="18" pageNumber="99">
|
||
<th id="76DA5D96FC4E0053FEC4F9DEFE1DF9D4" box="[273,468,1579,1600]" gridcol="0" gridrow="10" pageId="18" pageNumber="99">NPL 68499</th>
|
||
<td id="76DA5D96FC4E0053FE26F9DEFDD7F9D4" box="[499,542,1579,1600]" gridcol="1" gridrow="10" pageId="18" pageNumber="99">12.4</td>
|
||
<td id="76DA5D96FC4E0053FDE8F9DEFDA1F9D4" box="[573,616,1579,1600]" gridcol="2" gridrow="10" pageId="18" pageNumber="99">9.8</td>
|
||
<td id="76DA5D96FC4E0053FD52F9DEFD78F9D4" box="[647,689,1579,1600]" gridcol="3" gridrow="10" pageId="18" pageNumber="99">6.0</td>
|
||
<td id="76DA5D96FC4E0053FD04F9DEFD26F9D4" box="[721,751,1579,1600]" gridcol="4" gridrow="10" pageId="18" pageNumber="99">1.4</td>
|
||
<td id="76DA5D96FC4E0053FCDBF9DEFCE4F9D4" box="[782,813,1579,1600]" gridcol="5" gridrow="10" pageId="18" pageNumber="99">2.8</td>
|
||
<td id="76DA5D96FC4E0053FC99F9DEFC68F9D4" box="[844,929,1579,1600]" gridcol="6" gridrow="10" pageId="18" pageNumber="99">0.79</td>
|
||
<td id="76DA5D96FC4E0053FC15F9DEFBDAF9D4" box="[960,1043,1579,1600]" gridcol="7" gridrow="10" pageId="18" pageNumber="99">1.63</td>
|
||
<td id="76DA5D96FC4E0053FBE6F9DEFB4AF9D4" box="[1075,1155,1579,1600]" gridcol="8" gridrow="10" pageId="18" pageNumber="99">0.11</td>
|
||
<td id="76DA5D96FC4E0053FB77F9DEFB1EF9D4" box="[1186,1239,1579,1600]" gridcol="9" gridrow="10" pageId="18" pageNumber="99">1.67</td>
|
||
<td id="76DA5D96FC4E0053FB22F9DEFAE8F9D4" box="[1271,1313,1579,1600]" gridcol="10" gridrow="10" pageId="18" pageNumber="99">0.53</td>
|
||
</tr>
|
||
<tr id="350B34EAFC4E0053FEC4F9BDFAE8F9C9" box="[273,1313,1608,1629]" gridrow="11" pageId="18" pageNumber="99">
|
||
<th id="76DA5D96FC4E0053FEC4F9BDFE1DF9C9" box="[273,468,1608,1629]" gridcol="0" gridrow="11" pageId="18" pageNumber="99">NPL 68501</th>
|
||
<td id="76DA5D96FC4E0053FE26F9BDFDD7F9C9" box="[499,542,1608,1629]" gridcol="1" gridrow="11" pageId="18" pageNumber="99">6.9</td>
|
||
<td id="76DA5D96FC4E0053FDE8F9BDFDA1F9C9" box="[573,616,1608,1629]" gridcol="2" gridrow="11" pageId="18" pageNumber="99">6.2</td>
|
||
<td id="76DA5D96FC4E0053FD52F9BDFD78F9C9" box="[647,689,1608,1629]" gridcol="3" gridrow="11" pageId="18" pageNumber="99">–</td>
|
||
<td id="76DA5D96FC4E0053FD04F9BDFD26F9C9" box="[721,751,1608,1629]" gridcol="4" gridrow="11" pageId="18" pageNumber="99">–</td>
|
||
<td id="76DA5D96FC4E0053FCDBF9BDFCE4F9C9" box="[782,813,1608,1629]" gridcol="5" gridrow="11" pageId="18" pageNumber="99">–</td>
|
||
<td id="76DA5D96FC4E0053FC99F9BDFC68F9C9" box="[844,929,1608,1629]" gridcol="6" gridrow="11" pageId="18" pageNumber="99">0.90</td>
|
||
<td id="76DA5D96FC4E0053FC15F9BDFBDAF9C9" box="[960,1043,1608,1629]" gridcol="7" gridrow="11" pageId="18" pageNumber="99">–</td>
|
||
<td id="76DA5D96FC4E0053FBE6F9BDFB4AF9C9" box="[1075,1155,1608,1629]" gridcol="8" gridrow="11" pageId="18" pageNumber="99">–</td>
|
||
<td id="76DA5D96FC4E0053FB77F9BDFB1EF9C9" box="[1186,1239,1608,1629]" gridcol="9" gridrow="11" pageId="18" pageNumber="99">–</td>
|
||
<td id="76DA5D96FC4E0053FB22F9BDFAE8F9C9" box="[1271,1313,1608,1629]" gridcol="10" gridrow="11" pageId="18" pageNumber="99">–</td>
|
||
</tr>
|
||
</table>
|
||
</paragraph>
|
||
<paragraph id="8B8436A8FC4FFFBFFF42FF05FF08FD12" blockId="19.[124,767,176,1156]" pageId="19" pageNumber="100">
|
||
The stratigraphically next species we can recognize in succession is the
|
||
<typeStatus id="5480880AFC4FFFBFFEC6FEE5FE88FEB3" box="[275,321,272,295]" pageId="19" pageNumber="100">type</typeStatus>
|
||
species,
|
||
<taxonomicName id="4C3B4D2BFC4FFFBFFE77FEE5FD94FEBC" baseAuthorityName="Shumard" baseAuthorityYear="1863" box="[418,605,272,296]" class="Cephalopoda" family="Delepinoceratidae" genus="Choctawites" kingdom="Animalia" pageId="19" pageNumber="100" phylum="Mollusca" rank="species" species="choctawensis">
|
||
<emphasis id="B94FEABAFC4FFFBFFE77FEE5FD94FEBC" box="[418,605,272,296]" italics="true" pageId="19" pageNumber="100">Ch. choctawensis</emphasis>
|
||
</taxonomicName>
|
||
, which has the unique combination of early appearance of falcations and a strongly developed trapezoidal phase (
|
||
<figureCitation id="13002A2DFC4FFFBFFD90FEA5FD09FEF3" box="[581,704,336,359]" captionStart="Figure 14" captionStartId="18.[124,191,1021,1043]" captionTargetBox="[169,1419,178,983]" captionTargetId="graphics-18@18.[169,938,178,976]" captionTargetPageId="18" captionText="Figure 14. Choctawites choctawensis (Shumard, 1863). (a) Cross section of topotype USNM 119504 from Brushy Creek, Oklahoma; × 2.5 (from Gordon, 1965). (b) Cross section of specimen 71 from Ada, Oklahoma; × 2.5. (c) Cross section of specimen 26-1 from San Saba; × 2.5. (d–f), Ontogenetic development of the conch width index (ww/ dm), umbilical width index (uw / dm), and whorl expansion rate (WER) of all available specimens (the cross sections of specimens (b) and (c) from Ada and San Saba were produced by R. Kant; the original specimens is stored in the collections of the USNM, acetate peels are stored in the collections of the GPI Tübingen)." figureDoi="http://doi.org/10.5281/zenodo.11585655" httpUri="https://zenodo.org/record/11585655/files/figure.png" pageId="19" pageNumber="100">Fig. 14a–c</figureCitation>
|
||
).
|
||
<taxonomicName id="4C3B4D2BFC4FFFBFFD0CFEBAFEC0FE13" baseAuthorityName="Shumard" baseAuthorityYear="1863" class="Cephalopoda" family="Delepinoceratidae" genus="Choctawites" kingdom="Animalia" pageId="19" pageNumber="100" phylum="Mollusca" rank="species" species="choctawensis">
|
||
<emphasis id="B94FEABAFC4FFFBFFD0CFEBAFEC0FE13" italics="true" pageId="19" pageNumber="100">Ch. choctawensis</emphasis>
|
||
</taxonomicName>
|
||
is associated with a more advanced species of
|
||
<taxonomicName id="4C3B4D2BFC4FFFBFFFA9FE7AFEE6FE33" baseAuthorityName="Ruzhencev" baseAuthorityYear="1960" box="[124,303,399,423]" class="Cephalopoda" family="Girtyoceratidae" genus="Sulcogirtyoceras" kingdom="Animalia" pageId="19" pageNumber="100" phylum="Mollusca" rank="genus">
|
||
<emphasis id="B94FEABAFC4FFFBFFFA9FE7AFEE6FE33" box="[124,303,399,423]" italics="true" pageId="19" pageNumber="100">Sulcogirtyoceras</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<emphasis id="B94FEABAFC4FFFBFFEE8FE7AFE98FE33" box="[317,337,399,423]" italics="true" pageId="19" pageNumber="100">S.</emphasis>
|
||
. cf.
|
||
<taxonomicName id="4C3B4D2BFC4FFFBFFE55FE7AFDE5FE33" box="[384,556,399,423]" class="Cephalopoda" family="Girtyoceratidae" genus="Sulcogirtyoceras" kingdom="Animalia" pageId="19" pageNumber="100" phylum="Mollusca" rank="species" species="ornatissimum">
|
||
<emphasis id="B94FEABAFC4FFFBFFE55FE7AFDE5FE33" box="[384,556,399,423]" italics="true" pageId="19" pageNumber="100">S. ornatissimum</emphasis>
|
||
</taxonomicName>
|
||
. It is known widely from the Caney Shale of
|
||
<collectingRegion id="49FFF84AFC4FFFBFFE40FE5AFDCFFE52" box="[405,518,431,454]" country="United States of America" name="Oklahoma" pageId="19" pageNumber="100">Oklahoma</collectingRegion>
|
||
, e.g. specimen
|
||
<collectionCode id="ED2AAE6DFC4FFFBFFD67FE5AFD36FE52" box="[690,767,431,454]" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34871" lsid="urn:lsid:biocol.org:col:34871" name="Smithsonian Institution, National Museum of Natural History" pageId="19" pageNumber="100" type="Museum">USNM</collectionCode>
|
||
119505 from
|
||
<collectionCode id="ED2AAE6DFC4FFFBFFEDEFE3AFE86FE72" box="[267,335,463,486]" country="USA" httpUri="http://grbio.org/cool/3n47-ewde" name="U.S. Geological Survey" pageId="19" pageNumber="100">USGS</collectionCode>
|
||
locality 2078A (
|
||
<bibRefCitation id="EFAA4B59FC4FFFBFFDD5FE3AFD51FE72" author="Gordon, M. J." box="[512,664,463,486]" pageId="19" pageNumber="100" pagination="1 - 322" refId="ref16774" refString="Gordon, M. J.: Carboniferous Cephalopods of Arkansas, Professional Papers, U. S. Geological Survey, 460, 1 - 322, 1965." type="journal article" year="1965">Gordon, 1965</bibRefCitation>
|
||
, fig. 44G, H) and specimen Kant71 (Elias Collection) from
|
||
<quantity id="4CC39B4DFC4FFFBFFD5EFE1AFD10FD92" box="[651,729,495,518]" metricMagnitude="3" metricUnit="m" metricValue="9.656064" pageId="19" pageNumber="100" unit="mi" value="6.0">6 miles</quantity>
|
||
SE of Ada along Highway 99 (Pontotoc County,
|
||
<collectingRegion id="49FFF84AFC4FFFBFFD55FDFAFD3AFDB2" box="[640,755,527,550]" country="United States of America" name="Oklahoma" pageId="19" pageNumber="100">Oklahoma</collectingRegion>
|
||
), the Barnett Shale of central
|
||
<collectingRegion id="49FFF84AFC4FFFBFFE73FDDAFE2AFDD2" box="[422,483,559,582]" country="United States of America" name="Texas" pageId="19" pageNumber="100">Texas</collectingRegion>
|
||
(specimen Kant26-1), and tentatively, the Batesville Sandstone of
|
||
<collectingRegion id="49FFF84AFC4FFFBFFDE4FDBAFD5DFDF2" box="[561,660,591,614]" country="United States of America" name="Arkansas" pageId="19" pageNumber="100">Arkansas</collectingRegion>
|
||
(
|
||
<bibRefCitation id="EFAA4B59FC4FFFBFFD70FDBAFF7CFD12" author="Gordon, M. J." pageId="19" pageNumber="100" pagination="1 - 322" refId="ref16774" refString="Gordon, M. J.: Carboniferous Cephalopods of Arkansas, Professional Papers, U. S. Geological Survey, 460, 1 - 322, 1965." type="journal article" year="1965">Gordon, 1965</bibRefCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="8B8436A8FC4FFFBFFF42FD7AFDE2FB10" blockId="19.[124,767,176,1156]" pageId="19" pageNumber="100">
|
||
The stratigraphically youngest species,
|
||
<taxonomicName id="4C3B4D2BFC4FFFBFFD88FD7BFD31FD32" baseAuthorityName="Hyatt" baseAuthorityYear="1893" box="[605,760,654,678]" class="Cephalopoda" family="Delepinoceratidae" genus="Choctawites" kingdom="Animalia" pageId="19" pageNumber="100" phylum="Mollusca" rank="species" species="cumminsi">
|
||
<emphasis id="B94FEABAFC4FFFBFFD88FD7BFD31FD32" box="[605,760,654,678]" italics="true" pageId="19" pageNumber="100">Ch. cumminsi</emphasis>
|
||
</taxonomicName>
|
||
, is a form whose distinct, but reduced, trapezoidal phase (
|
||
<figureCitation id="13002A2DFC4FFFBFFF51FD3BFF34FD71" box="[132,253,718,741]" captionStart="Figure 12" captionStartId="16.[124,191,1182,1204]" captionTargetBox="[170,1418,178,1143]" captionTargetId="graphics-23@16.[170,900,650,1137]" captionTargetPageId="16" captionText="Figure 12. Choctawites cumminsi (Hyatt, 1893) from San Saba (a–d) and the Figure 2 Ranch section (e, f). (a) Cross section of specimen 26- 13 from San Saba; × 2.5. (b) Cross section of specimen 26-2 from San Saba; × 2.5. (c) Cross section of specimen 26b from San Saba; × 2.5. (d) Cross section of specimen 26-10 from San Saba; × 2.5. (e) Cross section of specimen NPL 68499 from bed 25 (sample 00TXCU27) of Figure 2 Ranch; × 2.5. (f) Suture line of specimen NPL 68500 from bed 25 (sample 00TXCU27) of Figure 2 Ranch, at 14.4 mm diameter, 11.3 mm ww, 7.2 mm wh; × 5.0. (g–i), Ontogenetic development of the conch width index (ww / dm), umbilical width index (uw / dm), and WER of all available specimens (the cross sections of specimens (a–d) from San Saba were produced by R. Kant; the original specimens are stored in the collections of the USNM, acetate peels are stored in the collections of the GPI Tübingen)." figureDoi="http://doi.org/10.5281/zenodo.11585649" httpUri="https://zenodo.org/record/11585649/files/figure.png" pageId="19" pageNumber="100">Fig. 12a–e</figureCitation>
|
||
), more narrowly umbilicate early whorls, and early appearance of falcations are highly definitive. The species can still be differentiated from the other species of
|
||
<taxonomicName id="4C3B4D2BFC4FFFBFFFA9FCD8FF36FCD1" authorityName="Titus & Korn & Harrell & Lambert" authorityYear="2015" box="[124,255,813,837]" class="Cephalopoda" family="Delepinoceratidae" genus="Choctawites" kingdom="Animalia" pageId="19" pageNumber="100" phylum="Mollusca" rank="genus">
|
||
<emphasis id="B94FEABAFC4FFFBFFFA9FCD8FF36FCD1" box="[124,255,813,837]" italics="true" pageId="19" pageNumber="100">Choctawites</emphasis>
|
||
</taxonomicName>
|
||
using the brief or even absent trapezoidal stage.
|
||
<taxonomicName id="4C3B4D2BFC4FFFBFFFA9FCB8FEDBFCF1" baseAuthorityName="Hyatt" baseAuthorityYear="1893" box="[124,274,845,869]" class="Cephalopoda" family="Delepinoceratidae" genus="Choctawites" kingdom="Animalia" pageId="19" pageNumber="100" phylum="Mollusca" rank="species" species="cumminsi">
|
||
<emphasis id="B94FEABAFC4FFFBFFFA9FCB8FEDBFCF1" box="[124,274,845,869]" italics="true" pageId="19" pageNumber="100">Ch. cumminsi</emphasis>
|
||
</taxonomicName>
|
||
is known mostly from the Barnett Shale of
|
||
<collectingRegion id="49FFF84AFC4FFFBFFFA9FC9BFF75FC11" box="[124,188,878,901]" country="United States of America" name="Texas" pageId="19" pageNumber="100">Texas</collectingRegion>
|
||
, but almost certainly occurs in the Caney Shale of
|
||
<collectingRegion id="49FFF84AFC4FFFBFFFA9FC7BFF22FC31" box="[124,235,910,933]" country="United States of America" name="Oklahoma" pageId="19" pageNumber="100">Oklahoma</collectingRegion>
|
||
and
|
||
<collectingRegion id="49FFF84AFC4FFFBFFEF8FC7BFE59FC31" box="[301,400,910,933]" country="United States of America" name="Arkansas" pageId="19" pageNumber="100">Arkansas</collectingRegion>
|
||
(e.g. specimen
|
||
<collectionCode id="ED2AAE6DFC4FFFBFFD98FC7BFD53FC31" box="[589,666,910,933]" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34871" lsid="urn:lsid:biocol.org:col:34871" name="Smithsonian Institution, National Museum of Natural History" pageId="19" pageNumber="100" type="Museum">USNM</collectionCode>
|
||
119502;
|
||
<bibRefCitation id="EFAA4B59FC4FFFBFFFA9FC58FED9FC50" author="Gordon, M. J." box="[124,272,941,964]" pageId="19" pageNumber="100" pagination="1 - 322" refId="ref16774" refString="Gordon, M. J.: Carboniferous Cephalopods of Arkansas, Professional Papers, U. S. Geological Survey, 460, 1 - 322, 1965." type="journal article" year="1965">Gordon 1965</bibRefCitation>
|
||
, fig. 44e, f). This species is associated with
|
||
<taxonomicName id="4C3B4D2BFC4FFFBFFFA9FC38FF73FB90" authority="(Miller and Youngquist, 1948)" baseAuthorityName="Miller and Youngquist" baseAuthorityYear="1948" class="Cephalopoda" family="Delepinoceratidae" genus="Sulcogirytoceras" kingdom="Animalia" pageId="19" pageNumber="100" phylum="Mollusca" rank="species" species="ornatissimum">
|
||
<emphasis id="B94FEABAFC4FFFBFFFA9FC38FE1DFC71" box="[124,468,973,997]" italics="true" pageId="19" pageNumber="100">Sulcogirytoceras ornatissimum</emphasis>
|
||
(
|
||
<bibRefCitation id="EFAA4B59FC4FFFBFFE3BFC38FF7BFB90" author="Miller, A. K. & Youngquist, W." pageId="19" pageNumber="100" pagination="649 - 671" refId="ref18348" refString="Miller, A. K. and Youngquist, W.: The cephalopod fauna of the Mississippian Barnett Formation of Central Texas, J. Paleontol., 22, 649 - 671, 1948." type="journal article" year="1948">Miller and Youngquist, 1948</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
and species of
|
||
<taxonomicName id="4C3B4D2BFC4FFFBFFEBFFC18FDC4FB91" authorityName=", Ruzhencev and Bogoslovskaya" authorityYear="1971" box="[362,525,1005,1029]" class="Cephalopoda" family="Neoglyphioceratidae" genus="Pachylyroceras" kingdom="Animalia" pageId="19" pageNumber="100" phylum="Mollusca" rank="genus">
|
||
<emphasis id="B94FEABAFC4FFFBFFEBFFC18FDC4FB91" box="[362,525,1005,1029]" italics="true" pageId="19" pageNumber="100">Pachylyroceras</emphasis>
|
||
</taxonomicName>
|
||
, which together comprise one of the youngest Viséan ammonoid assemblages we can recognize in the eastern
|
||
<collectingCountry id="F32C7638FC4FFFBFFE6CFBD8FE3BFBD0" box="[441,498,1069,1092]" name="United States of America" pageId="19" pageNumber="100">USA</collectingCountry>
|
||
. Since the Sierra Diablo specimens all exhibit the characteristic reduced trapezoidal stage, we refer to them as
|
||
<taxonomicName id="4C3B4D2BFC4FFFBFFE47FB99FDEDFB10" baseAuthorityName="Hyatt" baseAuthorityYear="1893" box="[402,548,1132,1156]" class="Cephalopoda" family="Delepinoceratidae" genus="Choctawites" kingdom="Animalia" pageId="19" pageNumber="100" phylum="Mollusca" rank="species" species="cumminsi">
|
||
<emphasis id="B94FEABAFC4FFFBFFE47FB99FDEDFB10" box="[402,548,1132,1156]" italics="true" pageId="19" pageNumber="100">Ch. cumminsi</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |