273 lines
32 KiB
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273 lines
32 KiB
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<mods:title id="111A1C0786BCDB74A77B87A2DBB3A172">New and revised taxa of Carboniferous spiriferides (Brachiopoda, Spiriferida) from the Donets Basin (Ukraine) and South Urals (Russia)</mods:title>
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<mods:namePart id="19E30BD849DAAA8767A37C38F6910B6F">Poletaev, Vladyslav</mods:namePart>
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<mods:affiliation id="6E54FA91664D0D92AC03DA8DF735B0EC">Institute of Geological Sciences of the National Academy of Sciences of Ukraine, 55 - b, Oles Honchar St., Kyiv, 01054, Ukraine.</mods:affiliation>
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<mods:nameIdentifier id="8E31851D5CCEB875E66D2FBCBBFB0090" type="email">vipoletaev38@gmail.com</mods:nameIdentifier>
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<mods:title id="F9E50D862358CA98BF793BAC9F86A5C9">European Journal of Taxonomy</mods:title>
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<mods:date id="6DB45E4E307A9C4ABFF8DD8551358BDD">2024</mods:date>
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<mods:number id="425CD3104ED53D2FFBAA8EB71576C42C">2024-11-04</mods:number>
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<mods:number id="DE257369C597431A63F3EA37A5CF8EA4">968</mods:number>
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<treatment id="03BA8E195958D207FDBCCD20FAB9B119" ID-DOI="http://doi.org/10.5281/zenodo.14052668" ID-Zenodo-Dep="14052668" LSID="urn:lsid:plazi:treatment:03BA8E195958D207FDBCCD20FAB9B119" httpUri="http://treatment.plazi.org/id/03BA8E195958D207FDBCCD20FAB9B119" lastPageId="9" lastPageNumber="141" pageId="8" pageNumber="140">
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<subSubSection id="C3096C845958D206FDBCCD20FBF2B279" box="[550,1038,264,291]" pageId="8" pageNumber="140" type="nomenclature">
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<paragraph id="8BAC3F0F5958D206FDBCCD20FBF2B279" blockId="8.[550,1038,264,326]" box="[550,1038,264,291]" pageId="8" pageNumber="140">
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<heading id="D0E488635958D206FDBCCD20FBF2B279" box="[550,1038,264,291]" centered="true" fontSize="11" level="2" pageId="8" pageNumber="140" reason="2">
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<taxonomicName id="4C13448C5958D206FDBCCD20FBF2B279" authority="Poletaev, 2018" authorityName="Poletaev" authorityYear="2018" box="[550,1038,264,291]" class="Rhynchonellata" family="Brachythyrididae" genus="Meristorygma" higherTaxonomySource="GBIF" kingdom="Animalia" order="Spiriferida" pageId="8" pageNumber="140" phylum="Brachiopoda" rank="species" species="donakovae">
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<emphasis id="B967E31D5958D206FDBCCD20FCA5B279" bold="true" box="[550,857,264,291]" italics="true" pageId="8" pageNumber="140">Meristorygma donakovae</emphasis>
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<bibRefCitation id="EF8242FE5958D206FCFBCD20FBF2B279" author="Poletaev V. I." box="[865,1038,265,291]" pageId="8" pageNumber="140" refId="ref12191" refString="Poletaev V. I. 2018. Atlas-opredelitel' kamennougol'nykh spiriferid Vostochnoy Yevropy. LAT & K, Kyiv." type="book" year="2018">Poletaev, 2018</bibRefCitation>
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</taxonomicName>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="C3096C845958D206FD74CD05FCB4B21C" box="[750,840,300,326]" pageId="8" pageNumber="140" type="description">
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<paragraph id="8BAC3F0F5958D206FD74CD05FCB4B21C" blockId="8.[550,1038,264,326]" box="[750,840,300,326]" pageId="8" pageNumber="140">
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<figureCitation id="1328238A5958D206FD74CD05FCB4B21C" box="[750,840,300,326]" captionStart="Fig" captionStartId="8.[189,232,1928,1954]" captionTargetBox="[202,1383,1610,1849]" captionTargetId="figure-259@8.[189,1398,1571,1884]" captionTargetPageId="8" captionText="Fig. 4. Meristorygma donakovae Poletaev, 2018 from South Urals (Russia). Mississippian. Holotype CNIGR Museum 12065/8 (Donakova 1983 Coll.) from Magnitogorsk District; ventral, dorsal, lateral and anterior views (copy from Poletaev 2018: pl. 112 fig. 3). Scale bar units = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.14047326" httpUri="https://zenodo.org/record/14047326/files/figure.png" pageId="8" pageNumber="140">Fig. 4A</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection id="C3096C845958D206FF27CD47FC93B168" pageId="8" pageNumber="140" type="reference_group">
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<paragraph id="8BAC3F0F5958D206FF27CD47FCA5B2D2" blockId="8.[189,884,366,427]" box="[189,857,366,392]" pageId="8" pageNumber="140">
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<treatmentCitationGroup id="AB0318215958D206FF27CD47FCA5B2D2" box="[189,857,366,392]" pageId="8" pageNumber="140">
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<treatmentCitation id="0AB2191E5958D206FF27CD47FD3DB2D2" author="Poletaev V. I." box="[189,705,366,392]" page="74" pageId="8" pageNumber="140" year="2017">
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<taxonomicName id="4C13448C5958D206FF27CD47FD3DB2D2" authority="Poletaev, 2017: 74" authorityName="Poletaev" authorityPageNumber="74" authorityYear="2017" box="[189,705,366,392]" class="Rhynchonellata" family="Brachythyrididae" genus="Meristorygma" higherTaxonomySource="GBIF" kingdom="Animalia" order="Spiriferida" pageId="8" pageNumber="140" phylum="Brachiopoda" rank="species" species="donakovae">
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<emphasis id="B967E31D5958D206FF27CD47FE18B2D2" box="[189,484,366,392]" italics="true" pageId="8" pageNumber="140">Meristorygma donakovae</emphasis>
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<bibRefCitation id="EF8242FE5958D206FE76CD47FD3DB2D2" author="Poletaev V. I." box="[492,705,366,392]" pageId="8" pageNumber="140" refId="ref12146" refString="Poletaev V. I. 2017. Novi dani do systematyky i nomenklatury kamʹyanovuhilʹnykh spiryferyd Yevropy. In: Gozhyk P. F. (ed.) 40 rokiv Paleontologichnomu Tovaristvu Ukrainy. Materialy 38 sesii Paleontologichnogo tovarustva Ukrainy: 74. Kyiv." type="book" year="2017">Poletaev, 2017: 74</bibRefCitation>
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</taxonomicName>
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</treatmentCitation>
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(nom. nud.).
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</treatmentCitationGroup>
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</paragraph>
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<paragraph id="8BAC3F0F5958D206FF27CDBBFC88B2F1" blockId="8.[189,884,366,427]" box="[189,884,401,427]" pageId="8" pageNumber="140">
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<treatmentCitationGroup id="AB0318215958D206FF27CDBBFC88B2F1" box="[189,884,401,427]" pageId="8" pageNumber="140">
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<treatmentCitation id="0AB2191E5958D206FF27CDBBFD31B2F1" author="Poletaev V. I." box="[189,717,401,427]" page="88" pageId="8" pageNumber="140" year="2018">
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<taxonomicName id="4C13448C5958D206FF27CDBBFD31B2F1" authority="Poletaev, 2018: 88" authorityName="Poletaev" authorityPageNumber="88" authorityYear="2018" box="[189,717,401,427]" class="Rhynchonellata" family="Brachythyrididae" genus="Meristorygma" higherTaxonomySource="GBIF" kingdom="Animalia" order="Spiriferida" pageId="8" pageNumber="140" phylum="Brachiopoda" rank="species" species="donakovae">
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<emphasis id="B967E31D5958D206FF27CDBBFE16B2F1" box="[189,490,401,427]" italics="true" pageId="8" pageNumber="140">Meristorygma donakovae</emphasis>
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<bibRefCitation id="EF8242FE5958D206FE6BCDB8FD31B2F1" author="Poletaev V. I." box="[497,717,401,427]" pageId="8" pageNumber="140" refId="ref12191" refString="Poletaev V. I. 2018. Atlas-opredelitel' kamennougol'nykh spiriferid Vostochnoy Yevropy. LAT & K, Kyiv." type="book" year="2018">Poletaev, 2018: 88</bibRefCitation>
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</taxonomicName>
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</treatmentCitation>
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, pl. 112 fig. 3.
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</treatmentCitationGroup>
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</paragraph>
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<paragraph id="8BAC3F0F5958D206FF27CDFBFD0CB2B7" blockId="8.[189,879,466,563]" box="[189,752,466,493]" pageId="8" pageNumber="140">
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<treatmentCitationGroup id="AB0318215958D206FF27CDFBFD0CB2B7" box="[189,752,466,493]" pageId="8" pageNumber="140">
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<taxonomicName id="4C13448C5958D206FF27CDFBFEC1B2B7" box="[189,317,466,493]" class="Rhynchonellata" family="Spiriferidae" genus="Spirifer" kingdom="Animalia" order="Spiriferida" pageId="8" pageNumber="140" phylum="Brachiopoda" rank="species" species="undetermined">
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<emphasis id="B967E31D5958D206FF27CDFBFEE9B2B6" box="[189,277,466,492]" italics="true" pageId="8" pageNumber="140">Spirifer</emphasis>
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sp.
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</taxonomicName>
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–
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<treatmentCitation id="0AB2191E5958D206FEC2CDFBFD94B2B7" author="Yanishevsky M. E." box="[344,616,466,493]" page="150" pageId="8" pageNumber="140" year="1900">
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<bibRefCitation id="EF8242FE5958D206FEC2CDFBFD94B2B7" author="Yanishevsky M. E." box="[344,616,466,493]" pageId="8" pageNumber="140" pagination="1 - 140" refId="ref12904" refString="Yanishevsky M. E. 1900. Fauna kamennougol'nogo izvestnyaka, vystupayushchego po r. Shartymke, na vostochnom sklone Urala. Trudy Obshchestva yestestvoispytateley pri Imperatorskom Kazanskom universitete 34 (5): 1 - 140." type="journal article" year="1900">Yanishevsky 1900: 150</bibRefCitation>
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</treatmentCitation>
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, pl. 1 fig. 7.
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</treatmentCitationGroup>
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</paragraph>
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<paragraph id="8BAC3F0F5958D206FF27CDDFFC9FB14A" blockId="8.[189,879,466,563]" box="[189,867,501,528]" pageId="8" pageNumber="140">
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<treatmentCitationGroup id="AB0318215958D206FF27CDDFFC9FB14A" box="[189,867,501,528]" pageId="8" pageNumber="140">
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<taxonomicName id="4C13448C5958D206FF27CDDFFE5DB155" box="[189,417,501,528]" class="Rhynchonellata" family="Spiriferidae" genus="Spirifer" higherTaxonomySource="GBIF" isUncertain="true" kingdom="Animalia" order="Spiriferida" pageId="8" pageNumber="140" phylum="Brachiopoda" rank="species" species="gracilis">
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<emphasis id="B967E31D5958D206FF27CDDFFEE9B14A" box="[189,277,502,528]" italics="true" pageId="8" pageNumber="140">Spirifer</emphasis>
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aff.
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<emphasis id="B967E31D5958D206FED3CDDCFE5DB155" box="[329,417,501,527]" italics="true" pageId="8" pageNumber="140">gracilis</emphasis>
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</taxonomicName>
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–
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<treatmentCitation id="0AB2191E5958D206FE27CDDCFD43B155" author="Yanishevsky M. E." box="[445,703,501,528]" page="96" pageId="8" pageNumber="140" year="1910">
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<bibRefCitation id="EF8242FE5958D206FE27CDDCFD43B155" author="Yanishevsky M. E." box="[445,703,501,528]" pageId="8" pageNumber="140" pagination="1 - 305" refId="ref12942" refString="Yanishevsky M. E. 1910. Nizhnekamennougol'nyy izvestnyak okolo Khabarnogo, Orskogo uyezda Orenburgskoy gubernii. Izvestiya Tomskogo politechnicheskogo instituta 17 (1): 1 - 305." type="journal article" year="1910">Yanishevsky 1910: 96</bibRefCitation>
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</treatmentCitation>
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, pl. 12 fig. 17.
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</treatmentCitationGroup>
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</paragraph>
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<paragraph id="8BAC3F0F5958D206FF27CE30FC93B168" blockId="8.[189,879,466,563]" box="[189,879,536,563]" pageId="8" pageNumber="140">
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<treatmentCitationGroup id="AB0318215958D206FF27CE30FCA0B168" box="[189,860,536,563]" pageId="8" pageNumber="140">
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<taxonomicName id="4C13448C5958D206FF27CE30FE12B168" box="[189,494,537,563]" class="Rhynchonellata" family="Brachythyrididae" genus="Brachythyris" higherTaxonomySource="CoL,GBIF" kingdom="Animalia" order="Spiriferida" pageId="8" pageNumber="140" phylum="Brachiopoda" rank="species" species="integricostus">
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<emphasis id="B967E31D5958D206FF27CE30FE12B168" box="[189,494,537,563]" italics="true" pageId="8" pageNumber="140">Brachythyris integricostus</emphasis>
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</taxonomicName>
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–
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<treatmentCitation id="0AB2191E5958D206FD90CE30FD3AB169" author="Donakova" box="[522,710,537,563]" pageId="8" pageNumber="140" year="1983">
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<bibRefCitation id="EF8242FE5958D206FD90CE30FD3AB169" author="Donakova L. M." box="[522,710,537,563]" pageId="8" pageNumber="140" pagination="207 - 227" refId="ref10330" refString="Donakova L. M. 1983. O vozmozhnosti vydeleniya kosogorskogo i brazhkinskogo gorizontov nizhnego karbona na vostochnom sklone Yuzhnogo Urala. Yezhegodnik Vsesoyuznogo paleontologicheskogo obshchestva 26: 207 - 227." type="journal article" year="1983">Donakova 1983</bibRefCitation>
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</treatmentCitation>
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: pl. 2 figs 6–
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</treatmentCitationGroup>
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7.
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</paragraph>
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</subSubSection>
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<subSubSection id="C3096C845958D206FF27CE73FD81B19C" pageId="8" pageNumber="140" type="diagnosis">
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<paragraph id="8BAC3F0F5958D206FF27CE73FECAB12E" blockId="8.[189,310,602,628]" box="[189,310,602,628]" pageId="8" pageNumber="140">
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<heading id="D0E488635958D206FF27CE73FECAB12E" bold="true" box="[189,310,602,628]" fontSize="11" level="3" pageId="8" pageNumber="140" reason="3">
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<emphasis id="B967E31D5958D206FF27CE73FECAB12E" bold="true" box="[189,310,602,628]" pageId="8" pageNumber="140">Diagnosis</emphasis>
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</heading>
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</paragraph>
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<paragraph id="8BAC3F0F5958D206FF27CEA0FD81B19C" blockId="8.[189,1399,649,710]" pageId="8" pageNumber="140">Transversely-ovate shell with one to two pairs of ribs in the sulcus, small rounded tongue and relatively broad, scanty ribs on the lateral slopes.</paragraph>
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</subSubSection>
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|
|
<subSubSection id="C3096C845958D206FF27CEC4FC6EB71C" pageId="8" pageNumber="140" type="materials_examined">
|
|||
|
|
<paragraph id="8BAC3F0F5958D206FF27CEC4FE56B05D" blockId="8.[189,426,749,775]" box="[189,426,749,775]" pageId="8" pageNumber="140">
|
|||
|
|
<heading id="D0E488635958D206FF27CEC4FE56B05D" bold="true" box="[189,426,749,775]" fontSize="11" level="3" pageId="8" pageNumber="140" reason="3">
|
|||
|
|
<emphasis id="B967E31D5958D206FF27CEC4FE56B05D" bold="true" box="[189,426,749,775]" pageId="8" pageNumber="140">Material examined</emphasis>
|
|||
|
|
</heading>
|
|||
|
|
</paragraph>
|
|||
|
|
<paragraph id="8BAC3F0F5958D206FF70CF35FC5AB027" blockId="8.[189,1399,796,893]" pageId="8" pageNumber="140">
|
|||
|
|
<materialsCitation id="3B7B35525958D206FF70CF35FC5AB027" collectingDate="1983" collectionCode="CNIGR" collectorName="Donakova" country="Russia" location="Ural River" municipality="Magnitigorsk" pageId="8" pageNumber="140" specimenCode="12065/8" specimenCount="1" stateProvince="South Urals" typeStatus="holotype">
|
|||
|
|
<emphasis id="B967E31D5958D206FF70CF35FEA0B06C" bold="true" box="[234,348,796,822]" pageId="8" pageNumber="140">
|
|||
|
|
<typeStatus id="54A881AD5958D206FF70CF35FEA0B06C" box="[234,348,796,822]" pageId="8" pageNumber="140" type="holotype">Holotype</typeStatus>
|
|||
|
|
</emphasis>
|
|||
|
|
(
|
|||
|
|
<figureCitation id="1328238A5958D206FEF6CF35FE4FB06C" box="[364,435,796,822]" captionStart="Fig" captionStartId="8.[189,232,1928,1954]" captionTargetBox="[202,1383,1610,1849]" captionTargetId="figure-259@8.[189,1398,1571,1884]" captionTargetPageId="8" captionText="Fig. 4. Meristorygma donakovae Poletaev, 2018 from South Urals (Russia). Mississippian. Holotype CNIGR Museum 12065/8 (Donakova 1983 Coll.) from Magnitogorsk District; ventral, dorsal, lateral and anterior views (copy from Poletaev 2018: pl. 112 fig. 3). Scale bar units = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.14047326" httpUri="https://zenodo.org/record/14047326/files/figure.png" pageId="8" pageNumber="140">Fig. 4</figureCitation>
|
|||
|
|
)
|
|||
|
|
<collectingCountry id="F3047F9F5958D206FF27CF16FED8B003" box="[189,292,831,857]" name="Russia" pageId="8" pageNumber="140">RUSSIA</collectingCountry>
|
|||
|
|
•
|
|||
|
|
<collectingRegion id="49D7F1ED5958D206FEA0CF16FE38B003" box="[314,452,831,857]" pageId="8" pageNumber="140">South Urals</collectingRegion>
|
|||
|
|
,
|
|||
|
|
<collectingMunicipality id="6BC8A5755958D206FE55CF16FD96B003" box="[463,618,831,857]" pageId="8" pageNumber="140">Magnitigorsk</collectingMunicipality>
|
|||
|
|
region, right bank of
|
|||
|
|
<location id="8ECC69D45958D206FCF8CF16FC1CB003" LSID="urn:lsid:plazi:treatment:03BA8E195958D207FDBCCD20FAB9B119:8ECC69D45958D206FCF8CF16FC1CB003" box="[866,992,831,857]" country="Russia" county="Serpukhovian" municipality="Magnitigorsk" name="Ural River" pageId="8" pageNumber="140" stateProvince="South Urals">Ural River</location>
|
|||
|
|
;
|
|||
|
|
<geologicalTimeScale id="F933BFA45958D206FC70CF16FE9DB026" pageId="8" pageNumber="140">Kizil Formation, upper Visean and Serpukhovian</geologicalTimeScale>
|
|||
|
|
;
|
|||
|
|
<bibRefCitation id="EF8242FE5958D206FEF6CF4BFDD8B026" author="Donakova L. M." box="[364,548,866,892]" pageId="8" pageNumber="140" pagination="207 - 227" refId="ref10330" refString="Donakova L. M. 1983. O vozmozhnosti vydeleniya kosogorskogo i brazhkinskogo gorizontov nizhnego karbona na vostochnom sklone Yuzhnogo Urala. Yezhegodnik Vsesoyuznogo paleontologicheskogo obshchestva 26: 207 - 227." type="journal article" year="1983">
|
|||
|
|
<collectorName id="26E65AD95958D206FEF6CF4BFE1FB026" box="[364,483,866,892]" pageId="8" pageNumber="140">Donakova</collectorName>
|
|||
|
|
<collectingDate id="EFE9E0275958D206FE70CF4BFDD8B026" box="[490,548,866,892]" pageId="8" pageNumber="140">1983</collectingDate>
|
|||
|
|
</bibRefCitation>
|
|||
|
|
Coll.;
|
|||
|
|
<collectionCode id="ED02A7CA5958D206FDE8CF4BFD30B026" box="[626,716,866,892]" collectionName="CNIGR" pageId="8" pageNumber="140">CNIGR</collectionCode>
|
|||
|
|
Museum
|
|||
|
|
<specimenCode id="DBB597745958D206FCDACF4BFC5EB027" box="[832,930,866,893]" pageId="8" pageNumber="140">12065/8</specimenCode>
|
|||
|
|
.
|
|||
|
|
</materialsCitation>
|
|||
|
|
</paragraph>
|
|||
|
|
<paragraph id="8BAC3F0F5958D206FF68CF8DFBE9B0B8" blockId="8.[189,1045,932,994]" pageId="8" pageNumber="140">
|
|||
|
|
<materialsCitation id="3B7B35525958D206FF68CF8DFBEDB0B8" collectingDate="1983" collectionCode="CNIGR" collectorName="Donakova" country="Russia" location="RUSSIA" municipality="Magnitigorsk" pageId="8" pageNumber="140" specimenCode="CNIGR 12065/9, CNIGR 12065/10" specimenCount="2" stateProvince="South Urals" typeStatus="paratype">
|
|||
|
|
<emphasis id="B967E31D5958D206FF68CF8DFE93B0E4" bold="true" box="[242,367,932,958]" pageId="8" pageNumber="140">
|
|||
|
|
<typeStatus id="54A881AD5958D206FF68CF8DFE93B0E4" box="[242,367,932,958]" pageId="8" pageNumber="140" type="paratype">Paratypes</typeStatus>
|
|||
|
|
</emphasis>
|
|||
|
|
<collectingCountry id="F3047F9F5958D206FF27CFEEFED8B0BB" box="[189,292,967,993]" name="Russia" pageId="8" pageNumber="140">RUSSIA</collectingCountry>
|
|||
|
|
•
|
|||
|
|
<specimenCount id="9D15F4865958D206FEA1CFEEFE6EB0BB" box="[315,402,967,993]" pageId="8" pageNumber="140">2 specs</specimenCount>
|
|||
|
|
; same data as for holotype;
|
|||
|
|
<specimenCode id="DBB597745958D206FD49CFEEFBEDB0B8" box="[723,1041,967,994]" pageId="8" pageNumber="140">CNIGR 12065/9, 12065/10</specimenCode>
|
|||
|
|
</materialsCitation>
|
|||
|
|
.
|
|||
|
|
</paragraph>
|
|||
|
|
<paragraph id="8BAC3F0F5958D206FF70C821FE1DB778" blockId="8.[189,914,1032,1094]" box="[234,481,1032,1058]" pageId="8" pageNumber="140">
|
|||
|
|
<emphasis id="B967E31D5958D206FF70C821FE1DB778" bold="true" box="[234,481,1032,1058]" pageId="8" pageNumber="140">Additional material</emphasis>
|
|||
|
|
</paragraph>
|
|||
|
|
<paragraph id="8BAC3F0F5958D206FF27C805FC6EB71C" blockId="8.[189,914,1032,1094]" box="[189,914,1067,1094]" pageId="8" pageNumber="140">
|
|||
|
|
<materialsCitation id="3B7B35525958D206FF27C805FC72B71C" box="[189,910,1067,1094]" collectingDate="1983" collectionCode="CNIGR" collectorName="Donakova" country="Russia" location="RUSSIA" municipality="Magnitigorsk" pageId="8" pageNumber="140" specimenCode="CNIGR 12065" specimenCount="20" stateProvince="South Urals">
|
|||
|
|
<collectingCountry id="F3047F9F5958D206FF27C805FED8B71C" box="[189,292,1068,1094]" name="Russia" pageId="8" pageNumber="140">RUSSIA</collectingCountry>
|
|||
|
|
•
|
|||
|
|
<specimenCount id="9D15F4865958D206FEA1C805FE5DB71C" box="[315,417,1068,1094]" pageId="8" pageNumber="140">20 specs</specimenCount>
|
|||
|
|
; same data as for holotype;
|
|||
|
|
<specimenCode id="DBB597745958D206FD7BC805FC72B71C" box="[737,910,1067,1094]" collectionCode="CNIGR" pageId="8" pageNumber="140">CNIGR 12065</specimenCode>
|
|||
|
|
</materialsCitation>
|
|||
|
|
.
|
|||
|
|
</paragraph>
|
|||
|
|
</subSubSection>
|
|||
|
|
<subSubSection id="C3096C845958D206FF27C844FB44B6F6" pageId="8" pageNumber="140" type="description">
|
|||
|
|
<paragraph id="8BAC3F0F5958D206FF27C844FEB2B7DD" blockId="8.[189,334,1133,1159]" box="[189,334,1133,1159]" pageId="8" pageNumber="140">
|
|||
|
|
<heading id="D0E488635958D206FF27C844FEB2B7DD" bold="true" box="[189,334,1133,1159]" fontSize="11" level="3" pageId="8" pageNumber="140" reason="3">
|
|||
|
|
<emphasis id="B967E31D5958D206FF27C844FEB2B7DD" bold="true" box="[189,334,1133,1159]" pageId="8" pageNumber="140">Description</emphasis>
|
|||
|
|
</heading>
|
|||
|
|
</paragraph>
|
|||
|
|
<paragraph id="8BAC3F0F5958D206FF27C8B2FB44B6F6" blockId="8.[189,1400,1179,1452]" pageId="8" pageNumber="140">
|
|||
|
|
Shell small to medium-sized; ventral valve with transversely-ovate outline, approximately equidimensional (
|
|||
|
|
<typeStatus id="54A881AD5958D206FF5EC896FED7B783" box="[196,299,1215,1241]" pageId="8" pageNumber="140" type="holotype">holotype</typeStatus>
|
|||
|
|
with length
|
|||
|
|
<quantity id="4CEB92EA5958D206FE5AC897FDEAB783" box="[448,534,1214,1241]" metricMagnitude="-2" metricUnit="m" metricValue="2.6" pageId="8" pageNumber="140" unit="mm" value="26.0">26 mm</quantity>
|
|||
|
|
, width
|
|||
|
|
<quantity id="4CEB92EA5958D206FDF7C896FD3FB783" box="[621,707,1215,1241]" metricMagnitude="-2" metricUnit="m" metricValue="2.8" pageId="8" pageNumber="140" unit="mm" value="28.0">28 mm</quantity>
|
|||
|
|
, thickness
|
|||
|
|
<quantity id="4CEB92EA5958D206FCDEC896FC66B783" box="[836,922,1215,1241]" metricMagnitude="-2" metricUnit="m" metricValue="1.8" pageId="8" pageNumber="140" unit="mm" value="18.0">18 mm</quantity>
|
|||
|
|
), thin-walled. Hinge margin shorter than greatest width; interarea low, triangular, anacline to apsacline, smooth. Sulcus moderately developed, well delineated, with median furrow and two, rarely four primary ribs arising from parietal ribs. Anterior margin uniplicate with a small rounded tongue. Ribs on lateral slopes are few (5–7), well expressed. Dorsal valve oval in outline, almost such convex as ventral valve. Fold with three distinct ribs, of which two lateral ribs weakly bifurcate; interspaces between ribs broad. Surface of ribs smooth with concentric traces of growth. Ventral adminicula absent. Features of vascular system not established.
|
|||
|
|
</paragraph>
|
|||
|
|
</subSubSection>
|
|||
|
|
<caption id="DF6C6F875958D206FF27CBA1FB58B4B3" ID-DOI="http://doi.org/10.5281/zenodo.14047326" ID-Zenodo-Dep="14047326" httpUri="https://zenodo.org/record/14047326/files/figure.png" pageId="8" pageNumber="140" startId="8.[189,232,1928,1954]" targetBox="[202,1383,1610,1849]" targetPageId="8">
|
|||
|
|
<paragraph id="8BAC3F0F5958D206FF27CBA1FB58B4B3" blockId="8.[189,1398,1928,2025]" pageId="8" pageNumber="140">
|
|||
|
|
<emphasis id="B967E31D5958D206FF27CBA1FEF2B4F8" bold="true" box="[189,270,1928,1954]" pageId="8" pageNumber="140">Fig. 4.</emphasis>
|
|||
|
|
<taxonomicName id="4C13448C5958D206FE82CBA0FCFCB4F8" authority="Poletaev, 2018" authorityName="Poletaev" authorityYear="2018" box="[280,768,1928,1954]" class="Rhynchonellata" family="Brachythyrididae" genus="Meristorygma" higherTaxonomySource="CoL" kingdom="Animalia" order="Spiriferida" pageId="8" pageNumber="140" phylum="Brachiopoda" rank="species" species="donakovae">
|
|||
|
|
<emphasis id="B967E31D5958D206FE82CBA0FDBBB4F8" box="[280,583,1928,1954]" italics="true" pageId="8" pageNumber="140">Meristorygma donakovae</emphasis>
|
|||
|
|
<bibRefCitation id="EF8242FE5958D206FDCBCBA1FCFCB4F8" author="Poletaev V. I." box="[593,768,1928,1954]" pageId="8" pageNumber="140" refId="ref12191" refString="Poletaev V. I. 2018. Atlas-opredelitel' kamennougol'nykh spiriferid Vostochnoy Yevropy. LAT & K, Kyiv." type="book" year="2018">Poletaev, 2018</bibRefCitation>
|
|||
|
|
</taxonomicName>
|
|||
|
|
from South Urals (Russia). Mississippian. Holotype CNIGR Museum 12065/8 (
|
|||
|
|
<bibRefCitation id="EF8242FE5958D206FD99CB82FD3EB49F" author="Donakova L. M." box="[515,706,1963,1989]" pageId="8" pageNumber="140" pagination="207 - 227" refId="ref10330" refString="Donakova L. M. 1983. O vozmozhnosti vydeleniya kosogorskogo i brazhkinskogo gorizontov nizhnego karbona na vostochnom sklone Yuzhnogo Urala. Yezhegodnik Vsesoyuznogo paleontologicheskogo obshchestva 26: 207 - 227." type="journal article" year="1983">Donakova 1983</bibRefCitation>
|
|||
|
|
Coll.) from Magnitogorsk District; ventral, dorsal, lateral and anterior views (copy from
|
|||
|
|
<bibRefCitation id="EF8242FE5958D206FDB0CBE7FD29B4B2" author="Poletaev V. I." box="[554,725,1998,2024]" pageId="8" pageNumber="140" refId="ref12191" refString="Poletaev V. I. 2018. Atlas-opredelitel' kamennougol'nykh spiriferid Vostochnoy Yevropy. LAT & K, Kyiv." type="book" year="2018">Poletaev 2018</bibRefCitation>
|
|||
|
|
: pl. 112 fig. 3). Scale bar units = 1 mm.
|
|||
|
|
</paragraph>
|
|||
|
|
</caption>
|
|||
|
|
<subSubSection id="C3096C845959D207FF27CD20FAB9B119" pageId="9" pageNumber="141" type="discussion">
|
|||
|
|
<paragraph id="8BAC3F0F5959D207FF27CD20FED3B279" blockId="9.[189,303,265,291]" box="[189,303,265,291]" pageId="9" pageNumber="141">
|
|||
|
|
<heading id="D0E488635959D207FF27CD20FED3B279" bold="true" box="[189,303,265,291]" fontSize="11" level="3" pageId="9" pageNumber="141" reason="3">
|
|||
|
|
<emphasis id="B967E31D5959D207FF27CD20FED3B279" bold="true" box="[189,303,265,291]" pageId="9" pageNumber="141">Remarks</emphasis>
|
|||
|
|
</heading>
|
|||
|
|
</paragraph>
|
|||
|
|
<paragraph id="8BAC3F0F5959D207FF27CD1FFAB9B119" blockId="9.[189,1400,310,580]" pageId="9" pageNumber="141">
|
|||
|
|
This species differs from
|
|||
|
|
<taxonomicName id="4C13448C5959D207FE6ACD1EFD13B20A" baseAuthorityName="Carter & Poletaev" baseAuthorityYear="1998" box="[496,751,311,336]" class="Rhynchonellata" family="Brachythyrididae" genus="Meristorygma" higherTaxonomySource="CoL" kingdom="Animalia" order="Spiriferida" pageId="9" pageNumber="141" phylum="Brachiopoda" rank="species" species="arctica">
|
|||
|
|
<emphasis id="B967E31D5959D207FE6ACD1EFD13B20A" box="[496,751,311,336]" italics="true" pageId="9" pageNumber="141">Meristorygma arctica</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
by wider transversely oval outlines of the shell and a short, rounded tongue with a pair of weak additional ribs on its slopes, whereas
|
|||
|
|
<taxonomicName id="4C13448C5959D207FBCBCD73FB34B229" baseAuthorityName="Carter & Poletaev" baseAuthorityYear="1998" box="[1105,1224,346,371]" class="Rhynchonellata" family="Brachythyrididae" genus="Meristorygma" higherTaxonomySource="CoL" kingdom="Animalia" order="Spiriferida" pageId="9" pageNumber="141" phylum="Brachiopoda" rank="species" species="arctica">
|
|||
|
|
<emphasis id="B967E31D5959D207FBCBCD73FB34B229" box="[1105,1224,346,371]" italics="true" pageId="9" pageNumber="141">M. arctica</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
has a long, flat and subquadrate tongue with a pair of ribs.
|
|||
|
|
<taxonomicName id="4C13448C5959D207FD2ACD54FC24B2CC" authorityName="Poletaev" authorityYear="2018" box="[688,984,380,406]" class="Rhynchonellata" family="Brachythyrididae" genus="Meristorygma" higherTaxonomySource="CoL" kingdom="Animalia" order="Spiriferida" pageId="9" pageNumber="141" phylum="Brachiopoda" rank="species" species="donakovae">
|
|||
|
|
<emphasis id="B967E31D5959D207FD2ACD54FC24B2CC" box="[688,984,380,406]" italics="true" pageId="9" pageNumber="141">Meristorygma donakovae</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
differs from the geographically and stratigraphically closest species
|
|||
|
|
<taxonomicName id="4C13448C5959D207FDAACDB6FD53B2E2" box="[560,687,414,440]" class="Rhynchonellata" family="Spiriferidae" genus="Spirifer" higherTaxonomySource="GBIF" kingdom="Animalia" order="Spiriferida" pageId="9" pageNumber="141" phylum="Brachiopoda" rank="species" species="gracilis">
|
|||
|
|
<emphasis id="B967E31D5959D207FDAACDB6FD53B2E2" box="[560,687,414,440]" italics="true" pageId="9" pageNumber="141">M. gracilis</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
by wider and less numerous ribs on the lateral slopes of both valves. The specimens examined resemble
|
|||
|
|
<taxonomicName id="4C13448C5959D207FD2CCDEBFC9AB281" baseAuthorityName="Rotai" baseAuthorityYear="1951" box="[694,870,449,475]" class="Rhynchonellata" family="Brachythyrididae" genus="Meristorygma" higherTaxonomySource="CoL" kingdom="Animalia" order="Spiriferida" pageId="9" pageNumber="141" phylum="Brachiopoda" rank="species" species="postgracilis">
|
|||
|
|
<emphasis id="B967E31D5959D207FD2CCDEBFC9AB281" box="[694,870,449,475]" italics="true" pageId="9" pageNumber="141">M. postgracilis</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
in outline and rib pattern, but the latter has a narrower shell, more frequent bifurcation of the ribs in the sulcus, and a subquadrate tongue.
|
|||
|
|
<taxonomicName id="4C13448C5959D207FB49CDCCFE63B17B" authority="(Rotai, 1951)" baseAuthorityName="Rotai" baseAuthorityYear="1951" class="Rhynchonellata" family="Brachythyrididae" genus="Meristorygma" higherTaxonomySource="CoL" kingdom="Animalia" order="Spiriferida" pageId="9" pageNumber="141" phylum="Brachiopoda" rank="species" species="parva">
|
|||
|
|
<emphasis id="B967E31D5959D207FB49CDCCFEFCB17A" italics="true" pageId="9" pageNumber="141">Meristorygma parva</emphasis>
|
|||
|
|
(
|
|||
|
|
<bibRefCitation id="EF8242FE5959D207FE95CE2FFE6BB17B" author="Rotai A. P." box="[271,407,518,545]" pageId="9" pageNumber="141" refId="ref12376" refString="Rotai A. P. 1951. Brakhiopody srednego karbona Donetskogo basseyna. 1. Spiriferidae. Gosgeolizdat, Moscow." type="book" year="1951">Rotai, 1951</bibRefCitation>
|
|||
|
|
)
|
|||
|
|
</taxonomicName>
|
|||
|
|
differs in small size and low total number of ribs (not more than eight);
|
|||
|
|
<taxonomicName id="4C13448C5959D207FB4ECE2EFA89B17A" baseAuthorityName="Rotai" baseAuthorityYear="1951" box="[1236,1397,519,544]" class="Rhynchonellata" family="Brachythyrididae" genus="Meristorygma" higherTaxonomySource="CoL" kingdom="Animalia" order="Spiriferida" pageId="9" pageNumber="141" phylum="Brachiopoda" rank="species" species="miussensis">
|
|||
|
|
<emphasis id="B967E31D5959D207FB4ECE2EFA89B17A" box="[1236,1397,519,544]" italics="true" pageId="9" pageNumber="141">M. miussensis</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
and
|
|||
|
|
<taxonomicName id="4C13448C5959D207FF74CE03FE45B119" baseAuthorityName="Kutorga" baseAuthorityYear="1844" box="[238,441,553,579]" class="Rhynchonellata" family="Brachythyrididae" genus="Meristorygma" higherTaxonomySource="CoL" kingdom="Animalia" order="Spiriferida" pageId="9" pageNumber="141" phylum="Brachiopoda" rank="species" species="panduriformis">
|
|||
|
|
<emphasis id="B967E31D5959D207FF74CE03FE45B119" box="[238,441,553,579]" italics="true" pageId="9" pageNumber="141">M. panduriformis</emphasis>
|
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|
|
</taxonomicName>
|
|||
|
|
in contrast are much larger and have very rare bifurcation of ribs in the sulcus.
|
|||
|
|
</paragraph>
|
|||
|
|
</subSubSection>
|
|||
|
|
</treatment>
|
|||
|
|
</document>
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