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149 lines
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<document ID-DOI="http://dx.doi.org/10.3897/zitteliana.96.87253" ID-Pensoft-Pub="2747-8106-96-153" ID-Pensoft-UUID="AFA9059B36235BFF9BA3E9B7BE816DC1" ID-ZooBank="191199E07F3E4E09A3774ADFBF93A248" ModsDocID="2747-8106-96-153" checkinTime="1660292272395" checkinUser="pensoft" docAuthor="Fuersich, Franz T., Alberti, Matthias, Pandey, Dhirendra K. & Ayoub-Hannaa, Wagih S." docDate="2022" docId="17F8A39D38F45D4C9C9AC167FFFA8590" docLanguage="en" docName="Zitteliana 96: 153-178" docOrigin="Zitteliana 96" docPubDate="2022-08-11" docSource="http://dx.doi.org/10.3897/zitteliana.96.87253" docTitle="Camptonectes (Camptochlamys) obscurus" docType="treatment" docVersion="1" id="AFA9059B36235BFF9BA3E9B7BE816DC1" lastPageNumber="153" masterDocId="AFA9059B36235BFF9BA3E9B7BE816DC1" masterDocTitle="Jurassic bivalves from the Spiti area of the Himalayas, northern India" masterLastPageNumber="178" masterPageNumber="153" pageNumber="153" updateTime="1660292272395" updateUser="pensoft">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>Jurassic bivalves from the Spiti area of the Himalayas, northern India</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Fuersich, Franz T.</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-0844-9297</mods:nameIdentifier>
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<mods:affiliation>Universitaet Erlangen-Nuernberg, GeoZentrum Nordbayern, FG Palaeoumwelt, Lowenichstrasse 28, 91054 Erlangen, Germany</mods:affiliation>
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<mods:nameIdentifier type="email">franz.fuersich@fau.de</mods:nameIdentifier>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Alberti, Matthias</mods:namePart>
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<mods:affiliation>State Key Laboratory for Mineral Deposits Research, School of Earth Sciences and Engineering, Centre for Research and Education on Biological Evolution and Environment and Frontiers Science Center for Critical Earth Material Cycling, Nanjing University, Nanjing 210023, China</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Pandey, Dhirendra K.</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-7721-9604</mods:nameIdentifier>
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<mods:affiliation>Department of Earth and Environmental Science, KSKV Kachchh University, Bhuj, India</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Ayoub-Hannaa, Wagih S.</mods:namePart>
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<mods:affiliation>Geology Department, Faculty of Science, Minufiya University, El-Minufiya, Shibin El Kom, Egypt</mods:affiliation>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>Zitteliana</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2022</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2022-08-11</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>96</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>153</mods:start>
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<mods:end>178</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/zitteliana.96.87253</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/zitteliana.96.87253</mods:identifier>
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<mods:identifier type="Pensoft-Pub">2747-8106-96-153</mods:identifier>
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<mods:identifier type="ZooBank">191199E07F3E4E09A3774ADFBF93A248</mods:identifier>
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<mods:identifier type="Pensoft-UUID">AFA9059B36235BFF9BA3E9B7BE816DC1</mods:identifier>
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</mods:mods>
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<treatment LSID="urn:lsid:plazi:treatment:17F8A39D38F45D4C9C9AC167FFFA8590" httpUri="http://treatment.plazi.org/id/17F8A39D38F45D4C9C9AC167FFFA8590" lastPageNumber="153" pageId="0" pageNumber="153">
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<subSubSection pageId="0" pageNumber="153" type="nomenclature">
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<paragraph pageId="0" pageNumber="153">
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<taxonomicName LSID="17F8A39D-38F4-5D4C-9C9A-C167FFFA8590" authority="(J. Sowerby, 1818)" baseAuthorityName="J. Sowerby" baseAuthorityYear="1818" class="Bivalvia" family="Pectinidae" genus="Camptonectes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Camptonectes (Camptochlamys) obscurus" order="Pectinida" pageId="0" pageNumber="153" phylum="Mollusca" rank="species" species="obscurus" subGenus="Camptochlamys">Camptonectes (Camptochlamys) obscurus (J. Sowerby, 1818)</taxonomicName>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="153" type="description">
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<paragraph pageId="0" pageNumber="153">
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<figureCitation captionStart="Plate 3" captionStartId="F6" captionText="Plate 3. (1, 2) Bositra buchii (Roemer, 1836). Composite moulds from the lower member at Langza. 1. a, articulated specimen in butterfly position, dorsal view (SNSB-BSPG 2020 XCIX 18 a); b, c, single valves, lateral view (SNSB-BSPG 2020 XCIX 18 b). 2. External mould of right valve (SNSB-BSPG 2020 XCIX 19). (3) Australobuchia spitiensis (Holdhaus, 1913). Composite mould of articulated specimen from the middle member, roadside close to Komic; right valve view (SNSB-BSPG 2020 XCIX 43). (4 - 5) Australobuchia blanfordiana (Stoliczka, 1866). upper member close to Demul Pass. 4. Right valve (SNSB-BSPG 2020 XCIX 46). 5. Right valve (SNSB-BSPG 2020 XCIX 45). (6 - 10)? Malayomaorica sp. upper member close to Demul Pass. 6. Left valve (SNSB-BSPG 2020 XCIX 51 a). 7. Right valve interior (SNSB-BSPG 2020 XCIX 52). 8. Fragment of right valve (SNSB-BSPG 2020 XCIX 51 b). 9. Left valve (SNSB-BSPG 2020 XCIX 51 c). 10. Fragment of right valve (SNSB-BSPG 2020 XCIX 51 d). (11) Entolium (Entolium) corneolum (Young & Bird, 1822). Internal mould of a left valve from the lower member at Langza (SNSB-BSPG 2020 XCIX 15). (12) Propeamussium (Propeamussium) sp. Internal mould of a small fragment from the lower member at Langza (SNSB-BSPG 2020 XCIX 12). a, natural size; b, enlarged. (13) Camptonectes (Camptochlamys) obscurus (J. Sowerby, 1818). Left valve interior from the lower member near the pass to Tashigeng (SNSB-BSPG 2020 XCIX 13)." figureDoi="10.3897/zitteliana.96.87253.plate3" httpUri="https://binary.pensoft.net/fig/726367" pageId="0" pageNumber="153">Plate 3, fig. 13</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="153" type="reference_group">
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<paragraph pageId="0" pageNumber="153">
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<taxonomicName authorityName="J.Sowerby" authorityYear="1818" class="Bivalvia" family="Pectinidae" genus="Pecten" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pecten obscura" order="Pectinida" pageId="0" pageNumber="153" phylum="Mollusca" rank="species" species="obscura">Pecten obscura</taxonomicName>
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*1818
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<taxonomicName authorityName="J.Sowerby" authorityYear="1818" class="Bivalvia" family="Pectinidae" genus="Pecten" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pecten obscura" order="Pectinida" pageId="0" pageNumber="153" phylum="Mollusca" rank="species" species="obscura">Pecten obscura</taxonomicName>
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- J. Sowerby: 3, pl. 205, fig. 1.
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</paragraph>
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<paragraph pageId="0" pageNumber="153">
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<taxonomicName class="Bivalvia" family="Pectinidae" genus="Camptonectes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Camptonectes indicus" order="Pectinida" pageId="0" pageNumber="153" phylum="Mollusca" rank="species" species="indicus">Camptonectes indicus</taxonomicName>
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1852
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<taxonomicName class="Bivalvia" family="Pectinidae" genus="Camptonectes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Camptonectes indicus" order="Pectinida" pageId="0" pageNumber="153" phylum="Mollusca" rank="species" species="indicus">Camptonectes indicus</taxonomicName>
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sp. nov. - Cox: 25, pl. 3, figs 1-4.
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</paragraph>
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<paragraph pageId="0" pageNumber="153">
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<taxonomicName class="Bivalvia" family="Pectinidae" genus="Camptonectes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Camptonectes Germaniae" order="Pectinida" pageId="0" pageNumber="153" phylum="Mollusca" rank="species" species="Germaniae">Camptonectes Germaniae</taxonomicName>
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?1939
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<taxonomicName class="Bivalvia" family="Pectinidae" genus="Camptonectes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Camptonectes Germaniae" order="Pectinida" pageId="0" pageNumber="153" phylum="Mollusca" rank="species" species="Germaniae">Camptonectes Germaniae</taxonomicName>
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(
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<normalizedToken originalValue="d’Orb">d'Orb</normalizedToken>
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.) - Stefanini: 171, pl. 19, fig. 11.
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</paragraph>
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<paragraph pageId="0" pageNumber="153">
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<taxonomicName class="Bivalvia" family="Pectinidae" genus="Camptonectes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Camptonectes indicus" order="Pectinida" pageId="0" pageNumber="153" phylum="Mollusca" rank="species" species="indicus">1956 Camptonectes indicus</taxonomicName>
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Cox - Agrawal: 77, pl. 9, fig. 5.
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</paragraph>
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<paragraph pageId="0" pageNumber="153">
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<taxonomicName class="Bivalvia" family="Pectinidae" genus="Camptonectes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Camptonectes indicus" order="Pectinida" pageId="0" pageNumber="153" phylum="Mollusca" rank="species" species="indicus">1968 Camptonectes indicus</taxonomicName>
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Cox - Maithani: 505, pl. 33, fig. 6.
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</paragraph>
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<paragraph pageId="0" pageNumber="153">
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<taxonomicName baseAuthorityName="J. Sowerby" baseAuthorityYear="1818" class="Bivalvia" family="Pectinidae" genus="Camptonectes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Camptonectes (Indonectes) obscurus" order="Pectinida" pageId="0" pageNumber="153" phylum="Mollusca" rank="species" species="obscurus" subGenus="Indonectes">1979 Camptonectes (Indonectes) obscurus</taxonomicName>
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(J. Sowerby) subgen. nov. - Kanjilal: 120, fig. 6.
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</paragraph>
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<paragraph pageId="0" pageNumber="153">
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<taxonomicName baseAuthorityName="J. Sowerby" baseAuthorityYear="1818" class="Bivalvia" family="Pectinidae" genus="Camptonectes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Camptonectes (Indonectes) obscurus" order="Pectinida" pageId="0" pageNumber="153" phylum="Mollusca" rank="species" species="obscurus" subGenus="Indonectes">1983 Camptonectes (Indonectes) obscurus</taxonomicName>
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(J. Sowerby) - Singh and Jaitly: 47, pl. 1, fig. 5.
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</paragraph>
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<paragraph pageId="0" pageNumber="153">
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<taxonomicName baseAuthorityName="J. Sowerby" baseAuthorityYear="1818" class="Bivalvia" family="Pectinidae" genus="Camptonectes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Camptonectes (Camptochlamys) obscurus" order="Pectinida" pageId="0" pageNumber="153" phylum="Mollusca" rank="species" species="obscurus" subGenus="Camptochlamys">1995 Camptonectes (Camptochlamys) obscurus</taxonomicName>
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(J. Sowerby, 1818) - Jaitly et al.: 196, pl. 19, figs 7-8.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="153" type="materials_examined">
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<paragraph pageId="0" pageNumber="153">Material.</paragraph>
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<paragraph pageId="0" pageNumber="153">A single left valve partly in shell preservation, seen from the interior, from the lower member near the pass to Tashigeng (SNSB-BSPG 2020 XCIX 13).</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="153" type="description">
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<paragraph pageId="0" pageNumber="153">Description.</paragraph>
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<paragraph pageId="0" pageNumber="153">Shell suboval, higher than long (H: 22.2 mm, L: ~20 mm), moderately inflated, anteroventral, posteroventral and ventral margins rounded and regularly curved; antero- and posterodorsal margins of disc sub-straight. Anterior auricle large, distinctly set off from anterodorsal flank, which is more steeply sloping than posterodorsal flank. Tip of umbo and posterior auricle missing, anterior and posterior margin of disc also not fully preserved. Disc ornamented with thin, sharp, regularly spaced commarginal ribs and numerous thin divaricate radial grooves, separated by smooth, flat intervals about twice the width of the grooves. Umbonal area with thin radial riblets. Anterior auricle covered with spaced commarginal riblets intersected by thin radial riblets, creating a reticulate pattern.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="153" type="remarks">
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<paragraph pageId="0" pageNumber="153">Remarks.</paragraph>
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<paragraph pageId="0" pageNumber="153">
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The specimen closely corresponds to the diagnosis of
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<taxonomicName baseAuthorityName="J. Sowerby" baseAuthorityYear="1818" class="Bivalvia" family="Pectinidae" genus="Camptonectes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Camptonectes (Camptochlamys) obscurus" order="Pectinida" pageId="0" pageNumber="153" phylum="Mollusca" rank="species" species="obscurus" subGenus="Camptochlamys">Camptonectes (Camptochlamys) obscurus</taxonomicName>
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as given by
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<bibRefCitation author="Johnson, ALA" journalOrPublisher="Zitteliana" pageId="0" pageNumber="153" pagination="3 - 235" refId="B46" refString="Johnson, ALA, 1984. The palaeobiology of the bivalve families Pectinidae and Propeamussiidae in the Jurassic of Europe. Zitteliana 11: 3 - 235" title="The palaeobiology of the bivalve families Pectinidae and Propeamussiidae in the Jurassic of Europe." volume="11" year="1984">Johnson (1984)</bibRefCitation>
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. So far, the species has not been recorded from the Himalayan shelf of the southern Tethys, but it occurs in the Callovian of the Kachchh Basin further south (
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<bibRefCitation author="Cox, LR" journalOrPublisher="Proceedings of the Malacological Society" pageId="0" pageNumber="153" refId="B17" refString="Cox, LR, 1952. The Jurassic lamellibranch fauna of Cutch (Kachh). No. 3, Families Pectinidae, Amusiidae, Plicatulidae, Limidae, Ostreidae and Trigoniidae (Supplement). Memoirs of the Geological Survey of India, Palaeontologica Indica, New Series (9), 3(4): 1-128." title="The Jurassic lamellibranch fauna of Cutch (Kachh). No. 3, Families Pectinidae, Amusiidae, Plicatulidae, Limidae, Ostreidae and Trigoniidae (Supplement). Memoirs of the Geological Survey of India, Palaeontologica Indica, New Series (9), 3 (4): 1 - 128." year="1952">Cox 1952</bibRefCitation>
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;
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<bibRefCitation author="Jaitly, AK" journalOrPublisher="Beringeria" pageId="0" pageNumber="153" pagination="147 - 257" refId="B45" refString="Jaitly, AK, Fuersich, FT, Heinze, M, 1995. Contributions to the Jurassic of Kachchh, Western India. IV. The bivalve fauna. Part I. Subclasses Palaeotaxodonta, Pteriomorphia .., and Isofilibranchia. Beringeria 16: 147 - 257" title="Contributions to the Jurassic of Kachchh, Western India. IV. The bivalve fauna. Part I. Subclasses Palaeotaxodonta, Pteriomorphia .., and Isofilibranchia." volume="16" year="1995">Jaitly et al. 1995</bibRefCitation>
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) and possibly also in other parts of the Ethiopian faunal province (e.g., as
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<taxonomicName class="Bivalvia" family="Pectinidae" genus="Camptonectes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Camptonectes germaniae" order="Pectinida" pageId="0" pageNumber="153" phylum="Mollusca" rank="species" species="germaniae">
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<emphasis italics="true" pageId="0" pageNumber="153">Camptonectes germaniae</emphasis>
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</taxonomicName>
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(
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<normalizedToken originalValue="d’Orbigny">d'Orbigny</normalizedToken>
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, 1850) in Somalia;
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<bibRefCitation author="Stefanini, G" journalOrPublisher="Geological Survey of Egypt, Cairo" pageId="0" pageNumber="153" refId="B84" refString="Stefanini, G, 1939. Molluschi dell Giuralias della Somalia. Gasteropodi e Lamellibranchi. Palaeontographica italica 32(Supplement 4): 203-270." title="Molluschi dell Giuralias della Somalia. Gasteropodi e Lamellibranchi. Palaeontographica italica 32 (Supplement 4): 203 - 270." year="1939">Stefanini 1939</bibRefCitation>
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p. 171, pl. 19, fig. 11).
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</paragraph>
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</subSubSection>
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</treatment>
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</document>
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