234 lines
26 KiB
XML
234 lines
26 KiB
XML
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<mods:title id="9B5697660EDB154124F879FE43484976">Middle Permian (Roadian) gastropods from the Khao Khad Formation, Central Thailand: Implications for palaeogeography of the Indochina Terrane</mods:title>
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<mods:namePart id="1EB5D30A8A7747CDDE095DA8A53D44B1">Ketwetsuriya, Chatchalerm</mods:namePart>
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<mods:namePart id="76B606AE2F1B3EB9E48AFD204C7CED3B">Karapunar, Baran</mods:namePart>
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<mods:namePart id="C530453E15D47D363DCE049AF4911C86">Charoentitirat, Thasinee</mods:namePart>
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<mods:namePart id="2D26DEAA2AC9300BEBB52B80E9DDF38B">Nützel, Al- Exander</mods:namePart>
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<mods:title id="9BE95BF6ACE044FCED679FA799E2C64A">Zootaxa</mods:title>
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<mods:part id="A90913E43C453B7A12690ADE900CACEB">
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<mods:date id="BE1A40B405864F57C82FE811009AF8FA">2020</mods:date>
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<mods:number id="272AEC4FCA6ADB2B2509F17E108BF052">2020-04-17</mods:number>
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<mods:number id="402278B2565511BF1B1364F00484D6A9">4766</mods:number>
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<treatment id="03B587AB4F3E1574FF517D67FCE4FE2A" ID-DOI="http://doi.org/10.5281/zenodo.3803953" ID-GBIF-Taxon="163737195" ID-Zenodo-Dep="3803953" LSID="urn:lsid:plazi:treatment:03B587AB4F3E1574FF517D67FCE4FE2A" httpUri="http://treatment.plazi.org/id/03B587AB4F3E1574FF517D67FCE4FE2A" lastPageId="10" lastPageNumber="10" pageId="9" pageNumber="10">
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<subSubSection id="C30665364F3E1577FF517D67FCCAFAB6" box="[151,769,1305,1332]" pageId="9" pageNumber="10" type="nomenclature">
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<paragraph id="8BA336BD4F3E1577FF517D67FCCAFAB6" blockId="9.[151,769,1305,1368]" box="[151,769,1305,1332]" pageId="9" pageNumber="10">
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<heading id="D0EB81D14F3E1577FF517D67FCCAFAB6" bold="true" box="[151,769,1305,1332]" fontSize="10" level="2" pageId="9" pageNumber="10" reason="2">
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<taxonomicName id="4C1C4D3E4F3E1577FF517D67FCCAFAB6" authority="Pan & Yu, 1993" authorityName="Pan & Yu" authorityYear="1993" box="[151,769,1305,1332]" class="Gastropoda" family="Pseudophoridae" genus="Euomphalus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pleurotomariida" pageId="9" pageNumber="10" phylum="Mollusca" rank="species" species="pronodocarinatus">
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<emphasis id="B968EAAF4F3E1577FF517D67FCCAFAB6" bold="true" box="[151,769,1305,1332]" pageId="9" pageNumber="10">
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<emphasis id="B968EAAF4F3E1577FF517D67FEF9FAB1" bold="true" box="[151,306,1305,1332]" italics="true" pageId="9" pageNumber="10">Euomphalus</emphasis>
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cf.
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<emphasis id="B968EAAF4F3E1577FE997D67FDFDFAB1" bold="true" box="[351,566,1305,1332]" italics="true" pageId="9" pageNumber="10">pronodocarinatus</emphasis>
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<bibRefCitation id="EF8D4B4C4F3E1577FDFB7D64FCCAFAB6" author="Pan & Yu" box="[573,769,1305,1332]" firstAuthor="Pan" pageId="9" pageNumber="10" refId="ref27245" refString="Pan, Y. - T. & Yu, W. Z. (1993) Permian Gastropoda of China. Ocean Press, Beijing, 68 pp." type="book" year="1993">Pan & Yu, 1993</bibRefCitation>
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</emphasis>
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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="C30665364F3E1577FF517D43FF20FADD" box="[151,235,1341,1368]" pageId="9" pageNumber="10" type="description">
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<paragraph id="8BA336BD4F3E1577FF517D43FF20FADD" blockId="9.[151,769,1305,1368]" box="[151,235,1341,1368]" pageId="9" pageNumber="10">
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(
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<figureCitation id="13272A384F3E1577FF667D43FF28FADD" box="[160,227,1341,1368]" captionStart="FIGURE 7" captionStartId="10.[151,250,1080,1105]" captionTargetBox="[152,1436,453,1055]" captionTargetId="figure@10.[152,1436,453,1055]" captionTargetPageId="10" captionText="FIGURE 7. Euomphalus cf. pronodocarinatus Pan & Yu, 1993, A–D, ESKU-19-LP 61. E–H, ESKU-19-LP 95. All scale bars represent 2 mm." figureDoi="http://doi.org/10.5281/zenodo.3763921" httpUri="https://zenodo.org/record/3763921/files/figure.png" pageId="9" pageNumber="10">Fig. 7</figureCitation>
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)
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</paragraph>
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</subSubSection>
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<subSubSection id="C30665364F3E1577FF517DFFFC90FA1F" box="[151,859,1409,1434]" pageId="9" pageNumber="10" type="reference_group">
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<paragraph id="8BA336BD4F3E1577FF517DFFFC90FA1F" blockId="9.[151,859,1409,1434]" box="[151,859,1409,1434]" pageId="9" pageNumber="10">
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<treatmentCitationGroup id="AB0C11934F3E1577FF517DFFFC9CFA1F" box="[151,855,1409,1434]" pageId="9" pageNumber="10">
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cf.
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<treatmentCitation id="0ABD10AC4F3E1577FF7E7DFCFD10FA1F" box="[184,731,1409,1434]" pageId="9" pageNumber="10">
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<taxonomicName id="4C1C4D3E4F3E1577FF7E7DFCFD10FA1F" authority="Pan & Yu, 1993: p. 36" authorityName="Pan & Yu" authorityPageNumber="36" authorityYear="1993" box="[184,731,1409,1434]" class="Gastropoda" family="Pseudophoridae" genus="Euomphalus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pleurotomariida" pageId="9" pageNumber="10" phylum="Mollusca" rank="species" species="pronodocarinatus">
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<emphasis id="B968EAAF4F3E1577FF7E7DFCFE39FA1F" box="[184,498,1410,1434]" italics="true" pageId="9" pageNumber="10">Euomphalus pronodocarinatus</emphasis>
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<bibRefCitation id="EF8D4B4C4F3E1577FE317DFCFD57FA1F" author="Pan & Yu" box="[503,668,1410,1434]" firstAuthor="Pan" pageId="9" pageNumber="10" refId="ref27245" refString="Pan, Y. - T. & Yu, W. Z. (1993) Permian Gastropoda of China. Ocean Press, Beijing, 68 pp." type="book" year="1993">Pan & Yu, 1993</bibRefCitation>
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: p. 36
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</taxonomicName>
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</treatmentCitation>
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, pl. 2, fig. 4
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</treatmentCitationGroup>
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.
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</paragraph>
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</subSubSection>
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<subSubSection id="C30665364F3E1577FF517DB9FABEF983" pageId="9" pageNumber="10" type="materials_examined">
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<paragraph id="8BA336BD4F3E1577FF517DB9FD7EFA67" blockId="9.[151,1437,1479,2011]" box="[151,693,1479,1507]" pageId="9" pageNumber="10">
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<emphasis id="B968EAAF4F3E1577FF517DB9FECDFA67" bold="true" box="[151,262,1479,1506]" pageId="9" pageNumber="10">Material.</emphasis>
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Two specimens: ESKU-19-
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<collectionCode id="ED0DAE784F3E1577FDF97DB6FDAAFA67" box="[575,609,1480,1506]" country="Russia" name="Laboratory of Palaeontology" pageId="9" pageNumber="10">LP</collectionCode>
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61, 95.
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</paragraph>
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<paragraph id="8BA336BD4F3E1577FF017D92FABEF983" blockId="9.[151,1437,1479,2011]" box="[199,1397,1516,1543]" pageId="9" pageNumber="10">
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Dimensions (mm): ESKU-19-
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<collectionCode id="ED0DAE784F3E1577FDD07D92FDF3F983" box="[534,568,1516,1542]" country="Russia" name="Laboratory of Palaeontology" pageId="9" pageNumber="10">LP</collectionCode>
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61: height = 1.7; width = 7.8. ESKU-19-
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<collectionCode id="ED0DAE784F3E1577FBC27D92FBEDF983" box="[1028,1062,1516,1542]" country="Russia" name="Laboratory of Palaeontology" pageId="9" pageNumber="10">LP</collectionCode>
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61: height = 2.0; width = 7.6.
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</paragraph>
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</subSubSection>
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<subSubSection id="C30665364F3E1577FF017E71FDB1F93E" pageId="9" pageNumber="10" type="description">
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<paragraph id="8BA336BD4F3E1577FF017E71FDB1F93E" blockId="9.[151,1437,1479,2011]" pageId="9" pageNumber="10">
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<emphasis id="B968EAAF4F3E1577FF017E71FE92F9AF" bold="true" box="[199,345,1551,1578]" pageId="9" pageNumber="10">Description.</emphasis>
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Small anisostrophic, discoidal shell; whorls rounded, convex, circular in transverse section, with the periphery at mid-whorl; whorls slowly increasing in diameter, only slightly embracing; suture deep; widely phaneromphalous with basal umbilicus deeper; whorl surface smooth with very faint and dense orthocline growth lines; rounded angulation on upper whorl surface at transition to upper umbilicus; base rounded; aperture subcircular, inner lip straight to somewhat concave.
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</paragraph>
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</subSubSection>
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<subSubSection id="C30665364F3E1574FF017EBAFCE4FE2A" lastPageId="10" lastPageNumber="11" pageId="9" pageNumber="10" type="discussion">
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<paragraph id="8BA336BD4F3E1574FF017EBAFCE4FE2A" blockId="9.[151,1437,1479,2011]" lastBlockId="10.[151,1437,153,431]" lastPageId="10" lastPageNumber="11" pageId="9" pageNumber="10">
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<emphasis id="B968EAAF4F3E1577FF017EBAFEF0F95B" bold="true" box="[199,315,1732,1758]" pageId="9" pageNumber="10">Remarks.</emphasis>
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The present specimens closely resemble
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<taxonomicName id="4C1C4D3E4F3E1577FCD37EBAFAF9F95B" authority="Pan & Yu, 1993" authorityName="Pan & Yu" authorityYear="1993" box="[789,1330,1732,1759]" class="Gastropoda" family="Pseudophoridae" genus="Euomphalus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pleurotomariida" pageId="9" pageNumber="10" phylum="Mollusca" rank="species" species="pronodocarinatus">
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<emphasis id="B968EAAF4F3E1577FCD37EBAFBB9F95B" box="[789,1138,1732,1758]" italics="true" pageId="9" pageNumber="10">Euomphalus pronodocarinatus</emphasis>
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<bibRefCitation id="EF8D4B4C4F3E1577FBBD7EBBFAF9F95B" author="Pan & Yu" box="[1147,1330,1732,1759]" firstAuthor="Pan" pageId="9" pageNumber="10" refId="ref27245" refString="Pan, Y. - T. & Yu, W. Z. (1993) Permian Gastropoda of China. Ocean Press, Beijing, 68 pp." type="book" year="1993">Pan & Yu, 1993</bibRefCitation>
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</taxonomicName>
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from the Lower Permian of Qixia Formation in Shangpingchuan,
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<collectingCountry id="F30B762D4F3E1577FCC17E96FC81F887" box="[775,842,1768,1794]" name="China" pageId="9" pageNumber="10">China</collectingCountry>
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in having a discoidal shape, a deep suture and numerous dense growth lines. However, the
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<typeStatus id="54A7881F4F3E1577FDFD7F72FD56F8A3" box="[571,669,1804,1830]" pageId="9" pageNumber="10" type="holotype">holotype</typeStatus>
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of
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<taxonomicName id="4C1C4D3E4F3E1577FD077F73FC6CF8A3" authorityName="Pan & Yu" authorityYear="1993" box="[705,935,1804,1831]" class="Gastropoda" family="Pseudophoridae" genus="Euomphalus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pleurotomariida" pageId="9" pageNumber="10" phylum="Mollusca" rank="species" species="pronodocarinatus">
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<emphasis id="B968EAAF4F3E1577FD077F73FD19F8A3" box="[705,722,1805,1830]" italics="true" pageId="9" pageNumber="10">E</emphasis>
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.
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<emphasis id="B968EAAF4F3E1577FD197F72FC6CF8A3" box="[735,935,1804,1830]" italics="true" pageId="9" pageNumber="10">pronodocarinatus</emphasis>
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</taxonomicName>
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has nodes which are especially characteristic for this species that are absent in the studied material.
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<taxonomicName id="4C1C4D3E4F3E1577FD377F4EFA57F8CF" authority="de Koninck, 1881" authorityName="de Koninck" authorityYear="1881" box="[753,1436,1840,1867]" class="Gastropoda" family="Euomphalidae" genus="Straparollus" higherTaxonomySource="CoL" kingdom="Animalia" order="Archaeogastropoda" pageId="9" pageNumber="10" phylum="Mollusca" rank="species" species="planorbiformis" subGenus="Straparollus">
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<emphasis id="B968EAAF4F3E1577FD377F4EFCB7F8CF" box="[753,892,1840,1866]" italics="true" pageId="9" pageNumber="10">Straparollus</emphasis>
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(
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<emphasis id="B968EAAF4F3E1577FC4A7F4EFBDCF8CF" box="[908,1047,1840,1866]" italics="true" pageId="9" pageNumber="10">Straparollus</emphasis>
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)
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<emphasis id="B968EAAF4F3E1577FBE17F4EFB04F8CF" box="[1063,1231,1840,1866]" italics="true" pageId="9" pageNumber="10">planorbiformis</emphasis>
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<bibRefCitation id="EF8D4B4C4F3E1577FB137F4EFA57F8CF" author="Koninck, L. G. de" box="[1237,1436,1840,1866]" firstAuthor="de Koninck" pageId="9" pageNumber="10" pagination="1 - 170" refId="ref25550" refString="Koninck, L. G. de (1881) Faune du calcaire carbonifere de la Belgique, 3 e partie, Gasteropodes. Annales du Musee Royal d'Histoire Naturelle de Belgique, serie Paleontologie, 6, 1 - 170." type="journal article" year="1881">de Koninck, 1881</bibRefCitation>
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</taxonomicName>
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as illustrated by
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<bibRefCitation id="EF8D4B4C4F3E1577FE967F2BFE3BF8EB" author="Batten" box="[336,496,1876,1903]" firstAuthor="Batten" pageId="9" pageNumber="10" pagination="1 - 52" refId="ref22966" refString="Batten, R. L. (1966 a) The Lower Carboniferous gastropod fauna from the Hotwells Limestone of Compton Martin, Somerset. Part I. Palaeontographical Society Monographs, 119, 1 - 52." type="journal article" year="1966" yearSuffix="a">
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Batten (1966
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<emphasis id="B968EAAF4F3E1577FE247F2BFE3BF8EB" box="[482,496,1877,1902]" italics="true" pageId="9" pageNumber="10">a</emphasis>
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</bibRefCitation>
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, p. 15, pl. 2, figs 12–14) from the Lower Carboniferous of the Hotwells Limestone,
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<collectingCountry id="F30B762D4F3E1577FF517F06FF3FF817" box="[151,244,1912,1938]" name="United Kingdom" pageId="9" pageNumber="10">England</collectingCountry>
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is also similar in having rounded whorls with well-developed growth lines but it differs in being more high spired. Another similar species is
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<taxonomicName id="4C1C4D3E4F3E1577FD967FE2FB8AF833" authority="Yochelson, 1956" authorityName="Yochelson" authorityYear="1956" box="[592,1089,1947,1975]" class="Gastropoda" family="Euomphalidae" genus="Straparollus" higherTaxonomySource="CoL" kingdom="Animalia" order="Archaeogastropoda" pageId="9" pageNumber="10" phylum="Mollusca" rank="species" species="micidus" subGenus="Leptomphalus">
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<emphasis id="B968EAAF4F3E1577FD967FE2FD95F833" box="[592,606,1948,1974]" italics="true" pageId="9" pageNumber="10">S</emphasis>
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. (
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<emphasis id="B968EAAF4F3E1577FDB07FE2FCDEF833" box="[630,789,1948,1974]" italics="true" pageId="9" pageNumber="10">Leptomphalus</emphasis>
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)
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<emphasis id="B968EAAF4F3E1577FCE07FE2FCB6F833" box="[806,893,1948,1974]" italics="true" pageId="9" pageNumber="10">micidus</emphasis>
|
||
<bibRefCitation id="EF8D4B4C4F3E1577FC437FE2FB8AF833" author="Yochelson" box="[901,1089,1947,1974]" firstAuthor="Yochelson" pageId="9" pageNumber="10" pagination="179 - 275" refId="ref28700" refString="Yochelson, E. L. (1956) Permian Gastropoda of the southwestern United States. 1. Euomphalacea, Trochonematacea, Anomphalacea, Craspedostomatacea, and Platyceratacea. Bulletin of the American Museum of Natural History, 110, 179 - 275." type="journal article" year="1956">Yochelson, 1956</bibRefCitation>
|
||
</taxonomicName>
|
||
(p. 220, pl. 12, figs 1–4) from the Middle Permian of Southwestern
|
||
<collectingCountry id="F30B762D4F3E1577FDFB7FBEFDB8F85F" box="[573,627,1984,2010]" name="United States of America" pageId="9" pageNumber="10">USA</collectingCountry>
|
||
which is discoidal and has a weaker upper angulation. However,
|
||
<emphasis id="B968EAAF4F3E1577FA907FBEFAAFF85F" box="[1366,1380,1984,2010]" italics="true" pageId="9" pageNumber="10">S</emphasis>
|
||
.
|
||
<taxonomicName id="4C1C4D3E4F3E1574FAB57FBEFF25FF36" authorityName="Yochelson" authorityYear="1956" class="Gastropoda" family="Euomphalidae" genus="Straparollus" higherTaxonomySource="CoL" kingdom="Animalia" lastPageId="10" lastPageNumber="11" order="Archaeogastropoda" pageId="9" pageNumber="10" phylum="Mollusca" rank="species" species="micidus" subGenus="Leptomphalus">
|
||
(
|
||
<emphasis id="B968EAAF4F3E1577FABA7FBFFA47F85F" box="[1404,1420,1985,2010]" italics="true" pageId="9" pageNumber="10">L</emphasis>
|
||
.)
|
||
<emphasis id="B968EAAF4F3D1574FF5178E7FF25FF36" box="[151,238,153,179]" italics="true" pageId="10" pageNumber="11">micidus</emphasis>
|
||
</taxonomicName>
|
||
differs in having a sinus on the angulation of the upper whorl surface. There are other Permian euomphalid species which were reported from Southeast Asia such as
|
||
<taxonomicName id="4C1C4D3E4F3D1574FCEC78C0FC67FF52" authorityName="Yochelson" authorityYear="1956" box="[810,940,190,215]" class="Gastropoda" family="Euomphalidae" genus="Discotropis" higherTaxonomySource="CoL" kingdom="Animalia" pageId="10" pageNumber="11" phylum="Mollusca" rank="genus">
|
||
<emphasis id="B968EAAF4F3D1574FCEC78C0FC67FF52" box="[810,940,190,215]" italics="true" pageId="10" pageNumber="11">Discotropis</emphasis>
|
||
</taxonomicName>
|
||
sp. from the
|
||
<collectingRegion id="49D8F85F4F3D1574FB8378C3FBA4FF52" box="[1093,1135,189,215]" country="Thailand" name="Tak" pageId="10" pageNumber="11">Tak</collectingRegion>
|
||
Fa Limestone of
|
||
<collectingCountry id="F30B762D4F3D1574FAFF78C3FA56FF52" box="[1337,1437,189,215]" name="Thailand" pageId="10" pageNumber="11">Thailand</collectingCountry>
|
||
(
|
||
<bibRefCitation id="EF8D4B4C4F3D1574FF59789FFE73FF79" author="Ketwetsuriya" box="[159,440,225,252]" etAl="et al." firstAuthor="Ketwetsuriya" pageId="10" pageNumber="11" pagination="481 - 513" refId="ref24896" refString="Ketwetsuriya, C., Nu ¨ tzel, A. & Kanjanapayont, P. (2016) Permian gastropods from the Tak Fa Limestone, Nakhon Sawan, Northern Thailand. Bulletin of Geosciences, 91, 481 - 513. https: // doi. org / 10.3140 / bull. geosci. 1617" type="journal article" year="2016">
|
||
Ketwetsuriya
|
||
<emphasis id="B968EAAF4F3D1574FEFB789CFEA5FF7E" box="[317,366,225,251]" italics="true" pageId="10" pageNumber="11">et al</emphasis>
|
||
. 2016
|
||
</bibRefCitation>
|
||
),
|
||
<emphasis id="B968EAAF4F3D1574FE0D789FFE2BFF7E" box="[459,480,225,251]" italics="true" pageId="10" pageNumber="11">S.</emphasis>
|
||
(
|
||
<taxonomicName id="4C1C4D3E4F3D1574FE36789FFDB7FF7E" authorityName="Sowerby" authorityYear="1814" box="[496,636,225,251]" class="Gastropoda" family="Pseudophoridae" genus="Euomphalus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pleurotomariida" pageId="10" pageNumber="11" phylum="Mollusca" rank="genus">
|
||
<emphasis id="B968EAAF4F3D1574FE36789FFDB7FF7E" box="[496,636,225,251]" italics="true" pageId="10" pageNumber="11">Euomphalus</emphasis>
|
||
</taxonomicName>
|
||
) sp. from
|
||
<collectingRegion id="49D8F85F4F3D1574FD37789FFCFFFF7E" box="[753,820,225,251]" country="Malaysia" name="Perak" pageId="10" pageNumber="11">Perak</collectingRegion>
|
||
,
|
||
<collectingCountry id="F30B762D4F3D1574FCF9789FFC6DFF7E" box="[831,934,225,251]" name="Malaysia" pageId="10" pageNumber="11">Malaysia</collectingCountry>
|
||
(
|
||
<bibRefCitation id="EF8D4B4C4F3D1574FC72789FFB89FF7E" author="Batten" box="[948,1090,225,251]" firstAuthor="Batten" pageId="10" pageNumber="11" pagination="1 - 44" refId="ref23042" refString="Batten, R. L. (1972) Permian gastropods and chitons from Perak, Malaysia. Part 1. Chitons, bellerophontids, euomphalids and pleurotomarians. Bulletin of the American Museum of Natural History, 147, 1 - 44." type="journal article" year="1972">Batten 1972</bibRefCitation>
|
||
),
|
||
<taxonomicName id="4C1C4D3E4F3D1574FB93789CFA57FF7E" authority="Mansuy, 1912" authorityName="Mansuy" authorityYear="1912" box="[1109,1436,225,251]" class="Gastropoda" family="Pseudophoridae" genus="Euomphalus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pleurotomariida" pageId="10" pageNumber="11" phylum="Mollusca" rank="species" species="khmerianus">
|
||
<emphasis id="B968EAAF4F3D1574FB93789CFBADFF7E" box="[1109,1126,226,251]" italics="true" pageId="10" pageNumber="11">E</emphasis>
|
||
.
|
||
<emphasis id="B968EAAF4F3D1574FBB2789FFB3CFF7E" box="[1140,1271,225,251]" italics="true" pageId="10" pageNumber="11">khmerianus</emphasis>
|
||
<bibRefCitation id="EF8D4B4C4F3D1574FB38789FFA57FF7E" author="Mansuy" box="[1278,1436,225,251]" firstAuthor="Mansuy" pageId="10" pageNumber="11" pagination="1 - 146" refId="ref25972" refString="Mansuy, H. (1912) Paleontologie. In: Mansuy, H. & Deprat, J. (Eds.), Etude geologique du Yun-Nan oriental. Actes de la Societe Geologique de l'Indo-Chine, 1 (2), pp. 1 - 146." type="journal article" year="1912">Mansuy, 1912</bibRefCitation>
|
||
</taxonomicName>
|
||
from the Sisophon limestone of
|
||
<collectingCountry id="F30B762D4F3D1574FDC6797BFDB8FE9A" box="[512,627,261,287]" name="Cambodia" pageId="10" pageNumber="11">Cambodia</collectingCountry>
|
||
(
|
||
<bibRefCitation id="EF8D4B4C4F3D1574FD47797BFCEBFE9A" author="Mansuy" box="[641,800,261,287]" firstAuthor="Mansuy" pageId="10" pageNumber="11" pagination="1 - 146" refId="ref25972" refString="Mansuy, H. (1912) Paleontologie. In: Mansuy, H. & Deprat, J. (Eds.), Etude geologique du Yun-Nan oriental. Actes de la Societe Geologique de l'Indo-Chine, 1 (2), pp. 1 - 146." type="journal article" year="1912">Mansuy 1912</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="EF8D4B4C4F3D1574FCED797BFC77FE9A" author="Delpey" box="[811,956,261,287]" firstAuthor="Delpey" pageId="10" pageNumber="11" pagination="345 - 369" refId="ref23861" refString="Delpey, G. (1941) Les Gasteropodes permiens du Cambodge. Journal de Conchyologie, 84, 255 - 278, 345 - 369." type="journal article" year="1941">Delpey 1941</bibRefCitation>
|
||
) and
|
||
<taxonomicName id="4C1C4D3E4F3D1574FC3D7978FA98FE9A" authority="Mansuy, 1912" authorityName="Mansuy" authorityYear="1912" box="[1019,1363,261,287]" class="Gastropoda" family="Pseudophoridae" genus="Euomphalus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pleurotomariida" pageId="10" pageNumber="11" phylum="Mollusca" rank="species" species="subcircularis">
|
||
<emphasis id="B968EAAF4F3D1574FC3D7978FB65FE9A" box="[1019,1198,261,287]" italics="true" pageId="10" pageNumber="11">E. subcircularis</emphasis>
|
||
<bibRefCitation id="EF8D4B4C4F3D1574FB72797BFA98FE9A" author="Mansuy" box="[1204,1363,261,287]" firstAuthor="Mansuy" pageId="10" pageNumber="11" pagination="1 - 146" refId="ref25972" refString="Mansuy, H. (1912) Paleontologie. In: Mansuy, H. & Deprat, J. (Eds.), Etude geologique du Yun-Nan oriental. Actes de la Societe Geologique de l'Indo-Chine, 1 (2), pp. 1 - 146." type="journal article" year="1912">Mansuy, 1912</bibRefCitation>
|
||
</taxonomicName>
|
||
(pl. 7, figs 7–8). In addition, the present species also resembles
|
||
<emphasis id="B968EAAF4F3D1574FCCA7957FCE9FEC6" box="[780,802,297,323]" italics="true" pageId="10" pageNumber="11">S.</emphasis>
|
||
(
|
||
<emphasis id="B968EAAF4F3D1574FCF77954FC89FEC6" box="[817,834,298,323]" italics="true" pageId="10" pageNumber="11">E</emphasis>
|
||
.)
|
||
<emphasis id="B968EAAF4F3D1574FC9E7957FC00FEC6" box="[856,971,297,323]" italics="true" pageId="10" pageNumber="11">alaskensis</emphasis>
|
||
<bibRefCitation id="EF8D4B4C4F3D1574FC167957FB26FEC6" author="Yochelson & Dutro" box="[976,1261,297,323]" firstAuthor="Yochelson" pageId="10" pageNumber="11" pagination="111 - 147" refId="ref28777" refString="Yochelson, E. L. & Dutro, J. T. Jr. (1960) Late Paleozoic Gastropoda from Northern Alaska. U. S. Geological Survey Professional Paper, 334 - D, 111 - 147. https: // doi. org / 10.3133 / pp 334 D" type="book chapter" year="1960">Yochelson & Dutro, 1960</bibRefCitation>
|
||
from the Permian Siksikpuk Formation,
|
||
<collectingCountry id="F30B762D4F3D1574FE7E7933FE38FEE2" box="[440,499,333,359]" name="United States of America" pageId="10" pageNumber="11">USA</collectingCountry>
|
||
, but the present specimens lack an upper angulation on whorl and the former species is larger in size. The studied specimens might represent a new species of the genus
|
||
<taxonomicName id="4C1C4D3E4F3D1574FB98790FFB21FE0E" authorityName="Sowerby" authorityYear="1814" box="[1118,1258,369,395]" class="Gastropoda" family="Pseudophoridae" genus="Euomphalus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pleurotomariida" pageId="10" pageNumber="11" phylum="Mollusca" rank="genus">
|
||
<emphasis id="B968EAAF4F3D1574FB98790FFB21FE0E" box="[1118,1258,369,395]" italics="true" pageId="10" pageNumber="11">Euomphalus</emphasis>
|
||
</taxonomicName>
|
||
but the present material too poorly preserved to characterize it sufficiently.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |