219 lines
21 KiB
XML
219 lines
21 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zitteliana.97.115688" ID-Pensoft-Pub="2747-8106-97-29" ID-Pensoft-UUID="CA664780046A5F938793904BB13AEB75" ID-ZooBank="BA2DA07949064AC8AE1105E21BBF12B9" ModsDocID="2747-8106-97-29" checkinTime="1702462890041" checkinUser="pensoft" docAuthor="Nuetzel, Alexander, Ebbestad, Jan Ove, Seuss, Barbara, Munnecke, Axel, Mapes, Royal H. & Cook, Alex G." docDate="2023" docId="F47976FB9D855B8CA78608AB0AAF11E6" docLanguage="en" docName="Zitteliana 97: 29-51" docOrigin="Zitteliana 97" docPubDate="2023-12-12" docSource="http://dx.doi.org/10.3897/zitteliana.97.115688" docTitle="Orthonychia sp." docType="treatment" docVersion="1" id="CA664780046A5F938793904BB13AEB75" lastPageNumber="29" masterDocId="CA664780046A5F938793904BB13AEB75" masterDocTitle="On Paleozoic platycerate gastropods" masterLastPageNumber="51" masterPageNumber="29" pageNumber="29" updateTime="1702462890041" updateUser="pensoft">
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<mods:titleInfo id="480E348C5BA41CBF8B84937228CC65F3">
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<mods:title id="52B69D70778E67BB2134ACB621133EF4">On Paleozoic platycerate gastropods</mods:title>
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<mods:namePart id="7DF67DBEEB8C91ACCD96420C62865133">Nuetzel, Alexander</mods:namePart>
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<mods:nameIdentifier id="E8AD78A1C8E88ECA87B194E25F4B6A36" type="ORCID">https://orcid.org/0000-0002-8852-7688</mods:nameIdentifier>
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<mods:affiliation id="BCCC5C18B8CC0B1A31687C6A33B2905D">SNSB-Bayerische Staatssammlung fuer Palaeontologie und Geologie, Richard-Wagner-Str. 10, 80333 Muenchen, Germany & Department of Earth and Environmental Sciences, Paleontology and Geobiology, Ludwig-Maximilians-Universitaet Muenchen, Richard-Wagner-Str. 10, 80333 Muenchen, Germany</mods:affiliation>
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<mods:nameIdentifier id="C20B3782DA6BB46D15F6E3C05E56FDF7" type="email">nuetzel@snsb.de</mods:nameIdentifier>
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<mods:namePart id="16ED1D10E81DF13F0BC81B8D9DE1597D">Ebbestad, Jan Ove</mods:namePart>
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<mods:nameIdentifier id="96D44C761FA981AC2964EA95D2480CD5" type="ORCID">https://orcid.org/0000-0001-8769-3572</mods:nameIdentifier>
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<mods:affiliation id="EAAFDAB1CCDC70A4458580FD6C77F8BB">GeoBio-Center, Ludwig-Maximilians-Universitaet Muenchen, Richard-Wagner-Str. 10, 80333 Muenchen, Germany</mods:affiliation>
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<mods:namePart id="813CBDA5AACFD7403FEB377FD798A233">Seuss, Barbara</mods:namePart>
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<mods:nameIdentifier id="0BC0EDBA314786E27A62B31F84AD53B2" type="ORCID">https://orcid.org/0000-0001-6615-8108</mods:nameIdentifier>
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<mods:affiliation id="974D0BB36E4D1AA2C0D576DDE3346EF5">Museum of Evolution, Uppsala University, Norbyvaegen 16, SE 75236 Uppsala, Sweden</mods:affiliation>
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</mods:role>
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<mods:namePart id="722392ED3FE1F514CEA7E6025B9D2910">Munnecke, Axel</mods:namePart>
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<mods:nameIdentifier id="BD0AC4936755313B3A4C685FA9352FBC" type="ORCID">https://orcid.org/0000-0002-6898-1082</mods:nameIdentifier>
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<mods:affiliation id="55ECB80D9D1D941D3DB668CCB88D9AE3">Museum of Evolution, Uppsala University, Norbyvaegen 16, SE 75236 Uppsala, Sweden</mods:affiliation>
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<mods:namePart id="0FE2DACB2A7BA28C667CAD3F238E52A9">Mapes, Royal H.</mods:namePart>
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<mods:affiliation id="D9D1EBC8E8EA6E6BAF20E9B0CE58B863">Friedrich-Alexander-Universitaet Erlangen-Nuernberg, GeoZentrum Nordbayern, Loewenichstrasse 28, 91054 Erlangen, Germany</mods:affiliation>
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<mods:namePart id="3378E17CA540DDA35789245E220EFE8C">Cook, Alex G.</mods:namePart>
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<mods:affiliation id="0A6D199887F6FA27AC0685ADBD0340F7">Division of Paleontology, American Museum of Natural History, Central Park West at 79 th Street, New York, NY, 10024, USA</mods:affiliation>
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<mods:title id="6E787079A225C0C24A703D60D4255F41">Zitteliana</mods:title>
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<mods:part id="F383B0FBD9F770E5EC28815B1D7DC835">
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<mods:date id="9ACEDADA9FC813DBAFC7285D9969B3CD">2023</mods:date>
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<mods:number id="4AF1141F4D4B4F0724E72C7FBF9EDDF9">2023-12-12</mods:number>
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<mods:number id="D7E5504F54F6E77EE72527A191C86F08">97</mods:number>
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<mods:end id="9798F62967F0CD11C005DD388F860B83">51</mods:end>
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<mods:url id="DD17349299DB9608D795383B251CE276">http://dx.doi.org/10.3897/zitteliana.97.115688</mods:url>
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<mods:classification id="4D3E71BB1724726398F7A7A45448466D">journal article</mods:classification>
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<mods:identifier id="F792E8E01FD164178603B986D8830BEC" type="DOI">http://dx.doi.org/10.3897/zitteliana.97.115688</mods:identifier>
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<subSection id="B11B6C01D38AA7F8BFCB123A18D17087" pageId="0" pageNumber="29" type="results">
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<treatment id="F47976FB9D855B8CA78608AB0AAF11E6" LSID="urn:lsid:plazi:treatment:F47976FB9D855B8CA78608AB0AAF11E6" httpUri="http://treatment.plazi.org/id/F47976FB9D855B8CA78608AB0AAF11E6" lastPageNumber="29" pageId="0" pageNumber="29">
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<subSubSection id="F8083D202C008B6CA857BA681096FC76" pageId="0" pageNumber="29" type="nomenclature">
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<paragraph id="64161E61A9C7D3A9E6D2D705BE408CA5" pageId="0" pageNumber="29">
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<taxonomicName id="8F3F875104BB6A83B5A075D4D258F8B6" ID-CoL="8YJL2" LSID="F47976FB-9D85-5B8C-A786-08AB0AAF11E6" authority="sp." authorityName="sp." class="Gastropoda" family="Orthonychiidae" genus="Orthonychia" higherTaxonomySource="treatment-meta" kingdom="Animalia" lsidName="Orthonychia" order="Cyrtoneritida" pageId="0" pageNumber="29" phylum="Mollusca" rank="genus">Orthonychia sp.</taxonomicName>
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</paragraph>
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</subSubSection>
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<subSubSection id="A5F926908A2E74C384810CAD39879A18" pageId="0" pageNumber="29" type="description">
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<paragraph id="706CDFFB8D5621F9AD4FF43685B69D1B" pageId="0" pageNumber="29">
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<figureCitation id="76E145A78C58A798FCD75AA5AB3744D5" captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Orthonychia sp., with openly coiled larval shell; Mississippian (Chesterian) Imo Formation, Arkansas, USA. (A) SNSB-BSPG 2023 I 89. (A 1) Apertural view. (A 2) Lateral view. (A 3) Oblique lateral view on openly coiled protoconch. (B) SNSB-BSPG 2023 I 90. (B 1) Lateral view. (B 2) Detail initial bulb of protoconch. (B 3) Apertural view. (B 4) Apical view. (B 5) Oblique lateral view." figureDoi="10.3897/zitteliana.97.115688.figure13" httpUri="https://binary.pensoft.net/fig/950673" pageId="0" pageNumber="29">Fig. 13A, B</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection id="76FD42217E83BF0D379AC26B89B5FC16" pageId="0" pageNumber="29" type="materials_examined">
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<paragraph id="5A8E724FDA8BE5FE3005A0B619D6E995" pageId="0" pageNumber="29">Material.</paragraph>
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<paragraph id="BD13DFFCCF29BE9E196CD3DDF7002F4B" pageId="0" pageNumber="29">
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<materialsCitation id="C176F87AAF5607BDE376720BD3DC2DB6" collectingDate="2023-01" collectorName="Two, Imo Formation, Arkansas, The, R. H. Mapes, Location, This, Peyton Creek Roadcut" county="Van Buren County" elevation="34" location="Upper Mississippian" municipality="Peyton Creek" specimenCount="13">
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<collectorName id="F72310B1302963E54AAF983D35869E44">Two</collectorName>
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specimens from the
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<location id="5A684A7B6409FF098BD712CA2D3843A3" LSID="urn:lsid:plazi:treatment:F47976FB9D855B8CA78608AB0AAF11E6:5A684A7B6409FF098BD712CA2D3843A3" county="Van Buren County" municipality="Peyton Creek" name="Upper Mississippian">Upper Mississippian</location>
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(Chesterian)
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<collectorName id="F39A3F9157EFE822D7623DFB687A8DD6">Imo Formation</collectorName>
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,
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<collectorName id="5B27EC8EC5D11853AD08FF0F0F0E98C5">Arkansas</collectorName>
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(SNSB-BSPG
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<collectingDate id="892C81E438F109E7C3A484DFFD6C09DD" value="2023-01">2023 I</collectingDate>
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89, SNSB-BSPG
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<collectingDate id="5A12A7CC57D7B16CBC9FEB6E3A5DD3EB" value="2023-01">2023 I</collectingDate>
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90).
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<collectorName id="D5285DA080393B33BC5EEFF221712176">The</collectorName>
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material was sampled by
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<collectorName id="A1AABC0002D37D4B9EDEDC8541B3929E">R. H. Mapes</collectorName>
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(ARC-02, samples Imo-6 and Imo-8.) at the
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<collectorName id="48F5577133EC24ADE754D616F26B9F6C">Location</collectorName>
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#1 as given by
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<bibRefCitation id="BBEA519D5F67AF34E4F2C56989526757" DOI="https://doi.org/10.1017/S0022336000025609" author="Jeffery, DL" journalOrPublisher="Journal of Paleontology" pageId="0" pageNumber="29" pagination="58 - 79" refId="B42" refString="Jeffery, DL, Hoare, RD, Mapes, RH, Brown, CJ, 1994. Gastropods (Mollusca) from the Imo Formation (Mississippian, Chesterian) of North-Central Arkansas. Journal of Paleontology 68: 58 - 79, DOI: https://doi.org/10.1017/S0022336000025609" title="Gastropods (Mollusca) from the Imo Formation (Mississippian, Chesterian) of North-Central Arkansas." url="https://doi.org/10.1017/S0022336000025609" volume="68" year="1994">Jeffery et al. (1994)</bibRefCitation>
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, figs 1 and 2).
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<collectorName id="7F15C893682D85312AB0EFD4CE139CFE">This</collectorName>
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location, the
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<collectorName id="232E860B11338A550C8BE895780FBA6D">
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<collectingMunicipality id="A1E06669EBDAA77F2207E4E635FEA59F">Peyton Creek</collectingMunicipality>
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Roadcut
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</collectorName>
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, was also described in detail by
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<bibRefCitation id="A8300E7C6F61AE6ED306C94AE595598C" author="Manger, WL" journalOrPublisher="Kongliga Svenska Vetenskaps-Akademiens Handlingar" pageId="0" pageNumber="29" refId="B60" refString="Manger, WL, 1977. Stop descriptions - first day. In: Sutherland PK, Manger WL (Eds) Upper Chesterian-Morrowan stratigraphy and the Mississippian-Pennsylvanian boundary in northeastern Oklahoma and northwestern Arkansas. Guidebook for Field Trip No. 5, August 5-7, 1977, preceding North American Paleontological Convention II- Oklahoma; 11-17. Geologica/Survey Guidebook 18. The University of Oklahoma Norman, Norman." title="Stop descriptions - first day. In: Sutherland PK, Manger WL (Eds) Upper Chesterian-Morrowan stratigraphy and the Mississippian-Pennsylvanian boundary in northeastern Oklahoma and northwestern Arkansas. Guidebook for Field Trip No. 5, August 5 - 7, 1977, preceding North American Paleontological Convention II- Oklahoma; 11 - 17. Geologica / Survey Guidebook 18. The University of Oklahoma Norman, Norman." year="1977">Manger (1977)</bibRefCitation>
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who measured a section in the outcrop (
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<bibRefCitation id="5C31FC2CD333B2FAC895C416508E625E" author="Manger, WL" journalOrPublisher="Kongliga Svenska Vetenskaps-Akademiens Handlingar" pageId="0" pageNumber="29" refId="B60" refString="Manger, WL, 1977. Stop descriptions - first day. In: Sutherland PK, Manger WL (Eds) Upper Chesterian-Morrowan stratigraphy and the Mississippian-Pennsylvanian boundary in northeastern Oklahoma and northwestern Arkansas. Guidebook for Field Trip No. 5, August 5-7, 1977, preceding North American Paleontological Convention II- Oklahoma; 11-17. Geologica/Survey Guidebook 18. The University of Oklahoma Norman, Norman." title="Stop descriptions - first day. In: Sutherland PK, Manger WL (Eds) Upper Chesterian-Morrowan stratigraphy and the Mississippian-Pennsylvanian boundary in northeastern Oklahoma and northwestern Arkansas. Guidebook for Field Trip No. 5, August 5 - 7, 1977, preceding North American Paleontological Convention II- Oklahoma; 11 - 17. Geologica / Survey Guidebook 18. The University of Oklahoma Norman, Norman." year="1977">Manger 1977</bibRefCitation>
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, fig. 1).
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<collectorName id="A3CC689D16876E30D028AD2E57C582E8">The</collectorName>
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sample Imo-6 sample came from position
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<quantity id="8732F87B5991B57585B543FCFDC0CE8F" metricMagnitude="-1" metricUnit="m" metricValue="5.08" unit="in" value="20.0">20 in</quantity>
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this section, approximately
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<quantity id="2D4BD9A123C47EB798DDF3A0936E955C" metricMagnitude="1" metricUnit="m" metricValue="3.3528" unit="ft" value="110.0">
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<elevation id="DB05FF254932D7F6C8011F46650CDD8B" metricMagnitude="1" metricUnit="m" metricValue="3.3528" unit="ft" value="110.0">110 feet</elevation>
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</quantity>
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above the base of his measured section and the Imo-8 sample came from position 24, which is about
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<quantity id="B2A970D1394E5DFF03037DD002313E52" metricMagnitude="1" metricUnit="m" metricValue="4.1148" unit="ft" value="135.0">
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<elevation id="0852C6C691DCAA042EA1993910F63F88" metricMagnitude="1" metricUnit="m" metricValue="4.1148" unit="ft" value="135.0">135 feet</elevation>
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</quantity>
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above the base of his measured section. NE1/4 sec. 11 and NW1/4 sec. 12, T.
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<specimenCount id="14FD7590D1C566F731710CAAF44F8661" type="generic">13 N.</specimenCount>
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, R.
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<specimenCount id="DD5375C1E34F3CC72CB0B64021350530" type="generic">15 W.</specimenCount>
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<collectingCounty id="6CE22560752A9CA1A8647671E822A21B">Van Buren County</collectingCounty>
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, Arkansas
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</materialsCitation>
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</paragraph>
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</subSubSection>
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||
<subSubSection id="32126BE3683DFC2E653B060D8674FD3C" pageId="0" pageNumber="29" type="description">
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<paragraph id="F2846E825C3083FC84E18CC8769E6290" pageId="0" pageNumber="29">Description.</paragraph>
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<paragraph id="5395CE5A08870C80EC7E69D25AA02FE6" pageId="0" pageNumber="29">
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Juvenile shell 0.66 mm wide, 0.52 mm high; shell starts with a slightly elongated initial bulb with a length of 87
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<normalizedToken id="D1142959DF29078B96046645F4200F14" originalValue="µm">µm</normalizedToken>
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and a width of 63
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<normalizedToken id="41E544334CB10736DB9DBBC6333894BA" originalValue="µm">µm</normalizedToken>
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; width of shell at shell length 100
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<normalizedToken id="EF7059243077009A47E7831540ED1AEA" originalValue="µm">µm</normalizedToken>
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is 66-68
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<normalizedToken id="BF7FA541CE9B33CBB6BC1223B16651BD" originalValue="µm">µm</normalizedToken>
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; initial bulb is bent slightly adapically in relation to the following straight shell-tube; following shell is an entirely straight, smooth tube that increases slowly in diameter. At a total shell length of 320
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<normalizedToken id="55249063185CD95A7D8EA6991321AB60" originalValue="µm">µm</normalizedToken>
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the tube starts a sharp coiling in a dextral direction and at the same time, it is strongly expanding in diameter; shell is smooth except of a faint micro-striation visible on the coiled part of the first whorl.
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</paragraph>
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</subSubSection>
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<subSubSection id="C90DDE13345865D45F08E093EF769F06" pageId="0" pageNumber="29" type="remarks">
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<paragraph id="78DA242D21A3BB0E3CBCEA471E7CE6F8" pageId="0" pageNumber="29">Remarks.</paragraph>
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<paragraph id="1F728B038697EF7B1C4332ED933D0038" pageId="0" pageNumber="29">
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We suppose that approximately the first openly coiled whorl represents the larval shell and that the faint micro-striation is the larval shell ornament. The protoconch of this species resembles the above described
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<taxonomicName id="4F99C7AB48796317FA3AD915E56749CB" baseAuthorityName="Swallow" baseAuthorityYear="1858" class="Gastropoda" family="Orthonychiidae" genus="Orthonychia" kingdom="Animalia" lsidName="Orthonychia parva" order="Cyrtoneritimorpha" pageId="0" pageNumber="29" phylum="Mollusca" rank="species" species="parva">
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<emphasis id="91462554765F578F82604E6192672BA1" italics="true" pageId="0" pageNumber="29">Orthonychia parva</emphasis>
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</taxonomicName>
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by having an initial bulb, representing most likely the embryonic shell (protoconch 1) and a following straight tube. However, the early shell of
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<taxonomicName id="7D01421B4F90B5596C8CA4E83B5DC514" class="Gastropoda" family="Orthonychiidae" genus="Orthonychia" kingdom="Animalia" lsidName="Orthonychia" order="Cyrtoneritimorpha" pageId="0" pageNumber="29" phylum="Mollusca" rank="genus">
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||
<emphasis id="B438E3C4F38A7DA2EB49C9B547B4368B" italics="true" pageId="0" pageNumber="29">Orthonychia</emphasis>
|
||
</taxonomicName>
|
||
sp. lacks any strong co-marginal ribs or frills. Among the gastropod species described from the Imo Formation by
|
||
<bibRefCitation id="20ECE8170E49C60767F840765DE3FD66" DOI="https://doi.org/10.1017/S0022336000025609" author="Jeffery, DL" journalOrPublisher="Journal of Paleontology" pageId="0" pageNumber="29" pagination="58 - 79" refId="B42" refString="Jeffery, DL, Hoare, RD, Mapes, RH, Brown, CJ, 1994. Gastropods (Mollusca) from the Imo Formation (Mississippian, Chesterian) of North-Central Arkansas. Journal of Paleontology 68: 58 - 79, DOI: https://doi.org/10.1017/S0022336000025609" title="Gastropods (Mollusca) from the Imo Formation (Mississippian, Chesterian) of North-Central Arkansas." url="https://doi.org/10.1017/S0022336000025609" volume="68" year="1994">Jeffery et al. (1994)</bibRefCitation>
|
||
,
|
||
<taxonomicName id="D5C3859A9A325A1D1C19AC6F78472474" class="Gastropoda" family="Orthonychiidae" genus="Platyceras" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Platyceras" order="Vetigastropoda" pageId="0" pageNumber="29" phylum="Mollusca" rank="genus">
|
||
<emphasis id="918D441B90C33720F908575963199A87" italics="true" pageId="0" pageNumber="29">Platyceras</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<taxonomicName id="7CF7392C39D25A6E20A23D1E2475AD4C" class="Gastropoda" family="Orthonychiidae" genus="Orthonychia" kingdom="Animalia" lsidName="Orthonychia" order="Cyrtoneritimorpha" pageId="0" pageNumber="29" phylum="Mollusca" rank="genus">
|
||
<emphasis id="DFD7A8BC80CD0396E9D48E08B3F68A94" italics="true" pageId="0" pageNumber="29">Orthonychia</emphasis>
|
||
</taxonomicName>
|
||
?) sp. is the most likely candidate to be conspecific with the two juvenile specimens studied herein. They reported a single specimen from their rich collections and thus the species is very rare in this fauna.
|
||
</paragraph>
|
||
<caption id="E50D9646DBB568A078A7E2214B097984" doi="10.3897/zitteliana.97.115688.figure13" httpUri="https://binary.pensoft.net/fig/950673" pageId="0" pageNumber="29" start="Figure 13" startId="F13">
|
||
<paragraph id="7EB4B7F54EE3CC47A2985869CC2C5B3D" pageId="0" pageNumber="29">
|
||
<emphasis id="7A0C4D85776CA8922743CD87D97F852B" bold="true" pageId="0" pageNumber="29">Figure 13.</emphasis>
|
||
<taxonomicName id="CDD774F0EAFC3A264C2349B70082DDBA" class="Gastropoda" family="Orthonychiidae" genus="Orthonychia" kingdom="Animalia" lsidName="Orthonychia" order="Cyrtoneritimorpha" pageId="0" pageNumber="29" phylum="Mollusca" rank="genus">
|
||
<emphasis id="56758C5EBD944C316268B8ABCA1148B1" italics="true" pageId="0" pageNumber="29">Orthonychia</emphasis>
|
||
</taxonomicName>
|
||
sp., with openly coiled larval shell; Mississippian (Chesterian) Imo Formation, Arkansas, USA.
|
||
<emphasis id="229F93BD6E2392D7D43FCB3EA15236CE" bold="true" pageId="0" pageNumber="29">(A)</emphasis>
|
||
SNSB-BSPG 2023 I 89.
|
||
<emphasis id="DF585B85951D6523B81F93CC5A93A9A6" bold="true" pageId="0" pageNumber="29">(A1)</emphasis>
|
||
Apertural view.
|
||
<emphasis id="A6B69B58F0C4283E9AFBDF51BBDF05F4" bold="true" pageId="0" pageNumber="29">(A2)</emphasis>
|
||
Lateral view.
|
||
<emphasis id="71FF7FB5B806A720FE26F407245D902C" bold="true" pageId="0" pageNumber="29">(A3)</emphasis>
|
||
Oblique lateral view on openly coiled protoconch.
|
||
<emphasis id="C22227C79A51796D28056D85BCF71BFA" bold="true" pageId="0" pageNumber="29">(B)</emphasis>
|
||
SNSB-BSPG 2023 I 90.
|
||
<emphasis id="59B38DA36F1A309D5C7257DCCBDF37E5" bold="true" pageId="0" pageNumber="29">(B1)</emphasis>
|
||
Lateral view.
|
||
<emphasis id="DF5FF49FA901BE7D514E79BED982A099" bold="true" pageId="0" pageNumber="29">(B2)</emphasis>
|
||
Detail initial bulb of protoconch.
|
||
<emphasis id="67A43C9897F22D2EB1CD0791BEEF3417" bold="true" pageId="0" pageNumber="29">(B3)</emphasis>
|
||
Apertural view.
|
||
<emphasis id="25F5C144C8FCE30B982085A7ECEDA354" bold="true" pageId="0" pageNumber="29">(B4)</emphasis>
|
||
Apical view.
|
||
<emphasis id="AE977CD03DB8D709629574101A64AEFD" bold="true" pageId="0" pageNumber="29">(B5)</emphasis>
|
||
Oblique lateral view.
|
||
</paragraph>
|
||
</caption>
|
||
</subSubSection>
|
||
</treatment>
|
||
</subSection>
|
||
</document> |