274 lines
34 KiB
XML
274 lines
34 KiB
XML
<document id="3022CD76909F533910B14D48A7870600" ID-DOI="10.5194/fr-17-1-2014" ID-ISSN="2193-0074" ID-Zenodo-Dep="10965299" IM.bibliography_approvedBy="tatiana" IM.illustrations_approvedBy="tatiana" IM.materialsCitations_approvedBy="tatiana" IM.metadata_approvedBy="felipe" IM.tables_approvedBy="tatiana" IM.taxonomicNames_approvedBy="tatiana" IM.treatments_approvedBy="tatiana" checkinTime="1712925465061" checkinUser="felipe" docAuthor="Klein, C. & Korn, D." docDate="2014" docId="4D1287FBCB3FFFDAFF9834A6FC6BFAAC" docLanguage="en" docName="FossRec.17.1.1-32.pdf.imf" docOrigin="Fossil Record 17 (1)" docSource="http://dx.doi.org/10.5194/fr-17-1-2014" docStyle="DocumentStyle:1B3764FFAC190C6D25C29F616DE4358D.1:FossRec.2014-2021.journal_article" docStyleId="1B3764FFAC190C6D25C29F616DE4358D" docStyleName="FossRec.2014-2021.journal_article" docStyleVersion="1" docTitle="Cymaclymenia formosa Klein & Korn 2014, n. sp." docType="treatment" docVersion="3" lastPageNumber="16" masterDocId="B12BFF83CB30FFD5FFE43626FFA7FFB9" masterDocTitle="A morphometric approach to conch ontogeny of Cymaclymenia and related genera (Ammonoidea, Late Devonian)" masterLastPageNumber="32" masterPageNumber="1" pageNumber="16" updateTime="1713530104552" updateUser="tatiana" zenodo-license-document="CC-BY-4.0">
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<mods:title id="EB7E0215B20136A2CC1D6E6111FD628F">A morphometric approach to conch ontogeny of Cymaclymenia and related genera (Ammonoidea, Late Devonian)</mods:title>
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<mods:namePart id="A860B63C72CB43548EF615C0AC11E4DF">Klein, C.</mods:namePart>
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<mods:namePart id="816D6D22F76B3EC61BD95C09F4A564BA">Korn, D.</mods:namePart>
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<mods:title id="CBBA9B2B6989DD76BEF526E38F3A3268">Fossil Record</mods:title>
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<mods:part id="514B6D1AC9876C9AAB1E8C52763DA364">
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<mods:date id="CA349944511C365D9E25E7B792C7D776">2014</mods:date>
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<mods:number id="09E9F1AA80AACFBF0E77F4C3F82DC2AE">2014-02-20</mods:number>
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<mods:url id="251FEB838A48E49746BEA73C7B897DF4">http://dx.doi.org/10.5194/fr-17-1-2014</mods:url>
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<treatment id="4D1287FBCB3FFFDAFF9834A6FC6BFAAC" LSID="urn:lsid:zoobank.org:act:74D30BF7-F02C-4838-8DA9-BC6F18B72CE5" httpUri="http://treatment.plazi.org/id/4D1287FBCB3FFFDAFF9834A6FC6BFAAC" lastPageNumber="16" pageId="15" pageNumber="16">
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<subSubSection id="8DA16566CB3FFFDAFF9834A6FE9BFD0E" pageId="15" pageNumber="16" type="nomenclature">
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<paragraph id="C50436EDCB3FFFDAFF9834A6FE66FD21" blockId="15.[124,449,640,695]" box="[124,449,640,664]" pageId="15" pageNumber="16">
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<heading id="9E4C8181CB3FFFDAFF9834A6FE66FD21" box="[124,449,640,664]" fontSize="10" level="2" pageId="15" pageNumber="16" reason="5">
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<emphasis id="F7CFEAFFCB3FFFDAFF9834A6FE66FD21" bold="true" box="[124,449,640,664]" pageId="15" pageNumber="16">
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<taxonomicName id="02BB4D6ECB3FFFDAFF9834A6FED8FD21" ID-CoL="335NZ" authority="Klein & Korn, 2014" authorityName="Klein & Korn" authorityYear="2014" box="[124,383,640,664]" class="Cephalopoda" family="Cymaclymeniidae" genus="Cymaclymenia" kingdom="Animalia" order="Clymeniida" pageId="15" pageNumber="16" phylum="Mollusca" rank="species" species="formosa" status="sp. nov.">
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<emphasis id="F7CFEAFFCB3FFFDAFF9834A6FED8FD21" bold="true" box="[124,383,640,664]" italics="true" pageId="15" pageNumber="16">Cymaclymenia formosa</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="ECFC5784CB3FFFDAFE6134A6FE66FD21" box="[389,449,640,664]" pageId="15" pageNumber="16" rank="species">n. sp.</taxonomicNameLabel>
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</emphasis>
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</heading>
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</paragraph>
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<paragraph id="C50436EDCB3FFFDAFF983486FE9BFD0E" blockId="15.[124,449,640,695]" box="[124,316,672,695]" pageId="15" pageNumber="16">
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<figureCitation id="5D802A68CB3FFFDAFF983486FF4AFD0E" box="[124,237,672,695]" captionStart="Figure 15" captionStartId="14.[124,191,1486,1507]" captionTargetBox="[133,1453,179,1451]" captionTargetId="figure-14@14.[132,1455,177,1454]" captionTargetPageId="14" captionText="Figure 15. Cymaclymenia formosa n. sp. from the Anti-Atlas of Morocco; all × 1.0. (A) Holotype MB.C.22609.1 (Korn 1995 Coll.) from Erfoud. (B) Paratype MB.C.22669.1 (Wendt Coll.) from Hamar Laghdad. (C) Paratype MB.C.22669.2 (Wendt Coll.) from Hamar Laghdad. (D) Paratype MB.C.22669.3 (Wendt Coll.) from Hamar Laghdad. (E) Paratype MB.C.22649.1 (Korn 2009 Coll.) from Lambidia (Aguelmous). (F) Paratype MB.C.22649.2 (Korn 2009 Coll.) from Lambidia (Aguelmous). (G) Paratype MB.C.22669.4 (Wendt Coll.) from Hamar Laghdad." figureDoi="http://doi.org/10.5281/zenodo.10965330" httpUri="https://zenodo.org/record/10965330/files/figure.png" pageId="15" pageNumber="16">Figures 15</figureCitation>
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and
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<figureCitation id="5D802A68CB3FFFDAFEC53486FE9BFD0E" box="[289,316,672,695]" captionStart="Figure 16" captionStartId="16.[124,191,752,773]" captionTargetBox="[132,1454,215,731]" captionTargetId="graphics-1094@16.[305,438,292,705]" captionTargetPageId="16" captionText="Figure 16. Cross sections (A–D; all × 1.5) and ontogenetic trajectories (E–H) of Cymaclymenia formosa n. sp. from the Anti-Atlas of Morocco. (A) Paratype MB.C.22649.3 (Korn 2009 Coll.) from Lambidia. (B) Paratype MB.C.22646.1 (Korn 2009 Coll.) from Madène el Mrakib. (C) Paratype MB.C.22646.2 (Korn 2009 Coll.) from Madène el Mrakib. (D) Paratype MB.C.22646.3 (Korn 2009 Coll.) from Madène el Mrakib. (E) Conch width index (ww / dm). (F) Umbilical width index (ww / wh). (G) Whorl width index (uw /dm). (H) Whorl expansion rate (WER)." figureDoi="http://doi.org/10.5281/zenodo.10965332" httpUri="https://zenodo.org/record/10965332/files/figure.png" pageId="15" pageNumber="16">16</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection id="8DA16566CB3FFFDAFF9834CDFC6BFAAC" pageId="15" pageNumber="16" type="description">
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<paragraph id="C50436EDCB3FFFDAFF9834CDFD33FCB9" blockId="15.[124,691,747,832]" box="[124,660,747,769]" pageId="15" pageNumber="16">
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1999
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<taxonomicName id="02BB4D6ECB3FFFDAFF5634CAFE23FCB8" baseAuthorityName="Munster" baseAuthorityYear="1832" box="[178,388,748,769]" class="Cephalopoda" family="Cymaclymeniidae" genus="Cymaclymenia" kingdom="Animalia" pageId="15" pageNumber="16" phylum="Mollusca" rank="species" species="striata">
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<emphasis id="F7CFEAFFCB3FFFDAFF5634CAFE23FCB8" box="[178,388,748,769]" italics="true" pageId="15" pageNumber="16">Cymaclymenia striata</emphasis>
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</taxonomicName>
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. – Korn, p. 170, pl. 4, fig. 1.
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</paragraph>
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<paragraph id="C50436EDCB3FFFDAFF98352DFD14FC99" blockId="15.[124,691,747,832]" box="[124,691,779,800]" pageId="15" pageNumber="16">
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1999
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<taxonomicName id="02BB4D6ECB3FFFDAFF56352DFE04FC99" authorityName="MB. C." baseAuthorityName="Munster" baseAuthorityYear="1832" box="[178,419,779,800]" class="Cephalopoda" family="Cymaclymeniidae" genus="Cymaclymenia" kingdom="Animalia" pageId="15" pageNumber="16" phylum="Mollusca" rank="species" species="costellata">
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<emphasis id="F7CFEAFFCB3FFFDAFF56352DFE04FC99" box="[178,419,779,800]" italics="true" pageId="15" pageNumber="16">Cymaclymenia costellata</emphasis>
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</taxonomicName>
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. – Korn, p. 170, pl. 4, fig. 2.
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</paragraph>
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<paragraph id="C50436EDCB3FFFDAFF98350DFD24FCF9" blockId="15.[124,691,747,832]" box="[124,643,811,832]" pageId="15" pageNumber="16">
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2002
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<taxonomicName id="02BB4D6ECB3FFFDAFF56350DFE38FCF9" authorityName="Lange" authorityYear="1929" box="[178,415,811,832]" class="Cephalopoda" family="Cymaclymeniidae" genus="Cymaclymenia" kingdom="Animalia" pageId="15" pageNumber="16" phylum="Mollusca" rank="species" species="involvens">
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<emphasis id="F7CFEAFFCB3FFFDAFF56350DFE38FCF9" box="[178,415,811,832]" italics="true" pageId="15" pageNumber="16">Cymaclymenia involvens</emphasis>
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</taxonomicName>
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. – Becker et al., p. 165.
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</paragraph>
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<paragraph id="C50436EDCB3FFFDAFF983570FDE2FC32" blockId="15.[124,767,854,907]" pageId="15" pageNumber="16">
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Derivation of name: After Lat.
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<emphasis id="F7CFEAFFCB3FFFDAFE573571FDACFCD5" box="[435,523,855,876]" italics="true" pageId="15" pageNumber="16">formosus</emphasis>
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,
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<emphasis id="F7CFEAFFCB3FFFDAFDFD3571FD8AFCD5" box="[537,557,855,876]" italics="true" pageId="15" pageNumber="16">-a</emphasis>
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,
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<emphasis id="F7CFEAFFCB3FFFDAFDDF3571FDC6FCD5" box="[571,609,855,876]" italics="true" pageId="15" pageNumber="16">-um</emphasis>
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(adj.) = pretty; because of the delicate ornament of the species.
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</paragraph>
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<paragraph id="C50436EDCB3FFFDAFF983587FEBEFC6F" blockId="15.[124,767,929,982]" pageId="15" pageNumber="16">
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<materialsCitation id="75D33CB0CB3FFFDAFF983587FEBEFC6F" collectionCode="MB" pageId="15" pageNumber="16" specimenCount="1" typeStatus="holotype">
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<typeStatus id="1A00884FCB3FFFDAFF983587FF7EFC0F" box="[124,217,929,950]" pageId="15" pageNumber="16" type="holotype">Holotype</typeStatus>
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: Specimen
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<collectionCode id="A3AAAE28CB3FFFDAFEAE3587FED6FC0F" box="[330,369,929,950]" country="Portugal" name="Universidade de Lisboa, Museu Bocage" pageId="15" pageNumber="16">MB</collectionCode>
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.C.22609.1 (Korn 1995 Coll.); illustrated here in
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<figureCitation id="5D802A68CB3FFFDAFF2035E7FEB3FC6F" box="[196,276,961,982]" captionStart="Figure 15" captionStartId="14.[124,191,1486,1507]" captionTargetBox="[133,1453,179,1451]" captionTargetId="figure-14@14.[132,1455,177,1454]" captionTargetPageId="14" captionText="Figure 15. Cymaclymenia formosa n. sp. from the Anti-Atlas of Morocco; all × 1.0. (A) Holotype MB.C.22609.1 (Korn 1995 Coll.) from Erfoud. (B) Paratype MB.C.22669.1 (Wendt Coll.) from Hamar Laghdad. (C) Paratype MB.C.22669.2 (Wendt Coll.) from Hamar Laghdad. (D) Paratype MB.C.22669.3 (Wendt Coll.) from Hamar Laghdad. (E) Paratype MB.C.22649.1 (Korn 2009 Coll.) from Lambidia (Aguelmous). (F) Paratype MB.C.22649.2 (Korn 2009 Coll.) from Lambidia (Aguelmous). (G) Paratype MB.C.22669.4 (Wendt Coll.) from Hamar Laghdad." figureDoi="http://doi.org/10.5281/zenodo.10965330" httpUri="https://zenodo.org/record/10965330/files/figure.png" pageId="15" pageNumber="16">Fig. 15a</figureCitation>
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.
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</materialsCitation>
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</paragraph>
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<paragraph id="C50436EDCB3FFFDAFF9835CBFF52FBD8" blockId="15.[124,767,1005,1121]" pageId="15" pageNumber="16">
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Type locality and horizon: Erfoud (Anti-Atlas), immediately east of the Muslim cemetery on the eastern side of the Ziz Valley; bed 49– 50 of
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<bibRefCitation id="A12A4B1CCB3FFFDAFF5D320AFE93FBF8" author="Korn, D." box="[185,308,1068,1089]" pageId="15" pageNumber="16" pagination="147 - 179" refId="ref16441" refString="Korn, D.: Famennian Ammonoid Stratigraphy of the Ma'der and Tafilalt (Eastern Anti-Atlas, Morocco, Abhandlungen der Geologischen Bundesanstalt, 54, 147 - 179, 1999." type="journal article" year="1999">Korn (1999)</bibRefCitation>
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,
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<taxonomicName id="02BB4D6ECB3FFFDAFEA5320BFD6CFBF8" authority="Assemblage" authorityName="Assemblage" box="[321,715,1068,1090]" class="Cephalopoda" family="Parawocklumeriidae" genus="Parawocklumeria" kingdom="Animalia" pageId="15" pageNumber="16" phylum="Mollusca" rank="species" species="paradoxa">
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<emphasis id="F7CFEAFFCB3FFFDAFEA5320BFDEAFBFB" box="[321,589,1069,1090]" italics="true" pageId="15" pageNumber="16">Parawocklumeria paradoxa</emphasis>
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Assemblage
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</taxonomicName>
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(late Famennian).
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</paragraph>
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<paragraph id="C50436EDCB3FFFDAFF983251FF63FB15" blockId="15.[124,767,1143,1196]" pageId="15" pageNumber="16">
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Material:
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<specimenCount id="D3BDFD64CB3FFFDAFF053251FED0FB35" box="[225,375,1143,1164]" count="267" pageId="15" pageNumber="16" type="generic">267 specimens</specimenCount>
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with a maximum conch diameter of
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<quantity id="02439B08CB3FFFDAFF9832B1FF67FB15" box="[124,192,1175,1196]" metricMagnitude="-2" metricUnit="m" metricValue="6.0" pageId="15" pageNumber="16" unit="mm" value="60.0">60 mm</quantity>
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.
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</paragraph>
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<paragraph id="C50436EDCB3FFFDAFF9832E5FE37FA2E" blockId="15.[124,767,1219,1921]" pageId="15" pageNumber="16">
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Diagnosis: Species of
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<taxonomicName id="02BB4D6ECB3FFFDAFEB432E5FE79FB61" authorityName="Hyatt" authorityYear="1884" box="[336,478,1219,1240]" class="Cephalopoda" family="Cymaclymeniidae" genus="Cymaclymenia" kingdom="Animalia" pageId="15" pageNumber="16" phylum="Mollusca" rank="genus">
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<emphasis id="F7CFEAFFCB3FFFDAFEB432E5FE79FB61" box="[336,478,1219,1240]" italics="true" pageId="15" pageNumber="16">Cymaclymenia</emphasis>
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</taxonomicName>
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with thinly discoidal conch in the adult stage (ww / dm = 0.30–0.35); whorl cross section weakly compressed (ww / wh = 0.65). Conch shape in the intermediate stage (
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<quantity id="02439B08CB3FFFDAFF5E3304FF5CFA8E" box="[186,251,1314,1335]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="15" pageNumber="16" unit="mm" value="10.0">10 mm</quantity>
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dm) thinly discoidal and subevolute (ww / dm = 0.35; uw / dm = 0.30–0.35). Umbilical wall steep in the adult stage, flanks weakly converging, venter rounded. Ornament with fine biconvex growth lines, without riblets.
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</paragraph>
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<paragraph id="C50436EDCB3FFFDAFF98338DFDAEF898" blockId="15.[124,767,1219,1921]" pageId="15" pageNumber="16">
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Discussion: The new species closely resembles
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<taxonomicName id="02BB4D6ECB3FFFDAFD71338AFE89FA5B" authority="(Munster, 1832)" baseAuthorityName="Munster" baseAuthorityYear="1832" class="Cephalopoda" family="Cymaclymeniidae" genus="Cymaclymenia" kingdom="Animalia" pageId="15" pageNumber="16" phylum="Mollusca" rank="species" species="striata">
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<emphasis id="F7CFEAFFCB3FFFDAFD71338AFD59FA7A" box="[661,766,1452,1475]" italics="true" pageId="15" pageNumber="16">C. striata</emphasis>
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(
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<bibRefCitation id="A12A4B1CCB3FFFDAFF6733EDFE81FA5B" author="Munster, G." box="[131,294,1483,1506]" pageId="15" pageNumber="16" refId="ref17117" refString="Munster, G. Graf zu: Ueber die Planuliten und Goniatiten im Uebergangs-Kalk des Fichtelgebirges, Bayreuth, Birner, 1832." type="book" year="1832">Münster, 1832</bibRefCitation>
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||
)
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||
</taxonomicName>
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, which has a similar conch geometry and ornament.
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<taxonomicName id="02BB4D6ECB3FFFDAFF1733CDFDE3F9BB" authority="Munster (1832)" authorityName="Munster" authorityYear="1832" box="[243,580,1515,1538]" class="Cephalopoda" family="Cymaclymeniidae" genus="Cymaclymenia" kingdom="Animalia" pageId="15" pageNumber="16" phylum="Mollusca" rank="species" species="semistriata">
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<emphasis id="F7CFEAFFCB3FFFDAFF1733CDFE2AF9BB" box="[243,397,1515,1538]" italics="true" pageId="15" pageNumber="16">C. semistriata</emphasis>
|
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<bibRefCitation id="A12A4B1CCB3FFFDAFE7C33CDFDE3F9BB" author="Munster, G." box="[408,580,1515,1538]" pageId="15" pageNumber="16" refId="ref17117" refString="Munster, G. Graf zu: Ueber die Planuliten und Goniatiten im Uebergangs-Kalk des Fichtelgebirges, Bayreuth, Birner, 1832." type="book" year="1832">Münster (1832)</bibRefCitation>
|
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</taxonomicName>
|
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is another similar and possibly separate species; it shows strong constrictions on the internal mould, which appear to be absent in
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<taxonomicName id="02BB4D6ECB3FFFDAFD02300DFF66F9DB" baseAuthorityName="Munster" baseAuthorityYear="1832" class="Cephalopoda" family="Cymaclymeniidae" genus="Cymaclymenia" kingdom="Animalia" pageId="15" pageNumber="16" phylum="Mollusca" rank="species" species="striata">
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<emphasis id="F7CFEAFFCB3FFFDAFD02300DFF66F9DB" italics="true" pageId="15" pageNumber="16">C. striata</emphasis>
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</taxonomicName>
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.
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<taxonomicName id="02BB4D6ECB3FFFDAFF34306DFE91F9DB" baseAuthorityName="Munster" baseAuthorityYear="1832" box="[208,310,1611,1634]" class="Cephalopoda" family="Cymaclymeniidae" genus="Cymaclymenia" kingdom="Animalia" pageId="15" pageNumber="16" phylum="Mollusca" rank="species" species="striata">
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<emphasis id="F7CFEAFFCB3FFFDAFF34306DFE91F9DB" box="[208,310,1611,1634]" italics="true" pageId="15" pageNumber="16">C. striata</emphasis>
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||
</taxonomicName>
|
||
is characterised by very coarse, lamellose growth lines, which are arranged in equal distances of about
|
||
<quantity id="02439B08CB3FFFDAFF9830ACFF6CF918" box="[124,203,1674,1697]" metricMagnitude="-4" metricUnit="m" metricValue="5.0" pageId="15" pageNumber="16" unit="mm" value="0.5">0.5 mm</quantity>
|
||
on the outer flanks (
|
||
<typeStatus id="1A00884FCB3FFFDAFE4930ACFDABF918" box="[429,524,1674,1697]" pageId="15" pageNumber="16" type="topotype">topotype</typeStatus>
|
||
specimen
|
||
<collectionCode id="A3AAAE28CB3FFFDAFD6530ACFD0BF918" box="[641,684,1674,1697]" country="Portugal" name="Universidade de Lisboa, Museu Bocage" pageId="15" pageNumber="16">MB</collectionCode>
|
||
.C.4173 from Schübelhammer) (
|
||
<figureCitation id="5D802A68CB3FFFDAFE9E308CFE6EF978" box="[378,457,1706,1729]" captionStart="Figure 17" captionStartId="16.[124,191,1829,1850]" captionTargetBox="[355,1224,1004,1794]" captionTargetId="figure-1233@16.[354,1232,998,1797]" captionTargetPageId="16" captionText="Figure 17. Topotypes of Cymaclymenia striata (Münster, 1832) from Schübelhammer (Upper Franconia, Germany); all × 1.0. (A) Specimen MB.C.4184 (Münster Coll.). (B) Specimen MB.C.4195 (Münster Coll.). (C) Specimen MB.C.4173 (Münster Coll.)." figureDoi="http://doi.org/10.5281/zenodo.10965334" httpUri="https://zenodo.org/record/10965334/files/figure.png" pageId="15" pageNumber="16">Fig. 17</figureCitation>
|
||
). In contrast the growth lines are much finer in
|
||
<taxonomicName id="02BB4D6ECB3FFFDAFEDD30ECFE08F958" authorityName="Klein & Korn" authorityYear="2014" box="[313,431,1738,1761]" class="Cephalopoda" family="Cymaclymeniidae" genus="Cymaclymenia" kingdom="Animalia" pageId="15" pageNumber="16" phylum="Mollusca" rank="species" species="formosa">
|
||
<emphasis id="F7CFEAFFCB3FFFDAFEDD30ECFE08F958" box="[313,431,1738,1761]" italics="true" pageId="15" pageNumber="16">C. formosa</emphasis>
|
||
</taxonomicName>
|
||
and stand in distances of about
|
||
<quantity id="02439B08CB3FFFDAFF9830CCFF7BF8B8" box="[124,220,1770,1793]" metricMagnitude="-4" metricUnit="m" metricValue="2.5" pageId="15" pageNumber="16" unit="mm" value="0.25">0.25 mm</quantity>
|
||
. The steinkern constrictions, characteristic of
|
||
<taxonomicName id="02BB4D6ECB3FFFDAFD0230CCFF55F898" authorityName="Munster" authorityYear="1832" class="Cephalopoda" family="Cymaclymeniidae" genus="Cymaclymenia" kingdom="Animalia" pageId="15" pageNumber="16" phylum="Mollusca" rank="species" species="semistriata">
|
||
<emphasis id="F7CFEAFFCB3FFFDAFD0230CCFF55F898" italics="true" pageId="15" pageNumber="16">C. semistriata</emphasis>
|
||
</taxonomicName>
|
||
, are absent in
|
||
<taxonomicName id="02BB4D6ECB3FFFDAFE68312CFDA5F898" authorityName="Klein & Korn" authorityYear="2014" box="[396,514,1802,1825]" class="Cephalopoda" family="Cymaclymeniidae" genus="Cymaclymenia" kingdom="Animalia" pageId="15" pageNumber="16" phylum="Mollusca" rank="species" species="formosa">
|
||
<emphasis id="F7CFEAFFCB3FFFDAFE68312CFDA5F898" box="[396,514,1802,1825]" italics="true" pageId="15" pageNumber="16">C. formosa</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="C50436EDCB3FFFDAFF73310CFC35FCEF" blockId="15.[124,767,1219,1921]" lastBlockId="15.[819,1463,640,1301]" pageId="15" pageNumber="16">
|
||
Another similar species is
|
||
<taxonomicName id="02BB4D6ECB3FFFDAFE59310CFD59F8F8" authority="(Munster, 1832)" authorityName="MB. C." baseAuthorityName="Munster" baseAuthorityYear="1832" box="[445,766,1834,1857]" class="Cephalopoda" family="Cymaclymeniidae" genus="Cymaclymenia" kingdom="Animalia" pageId="15" pageNumber="16" phylum="Mollusca" rank="species" species="costellata">
|
||
<emphasis id="F7CFEAFFCB3FFFDAFE59310CFDE1F8F8" box="[445,582,1834,1857]" italics="true" pageId="15" pageNumber="16">C. costellata</emphasis>
|
||
(
|
||
<bibRefCitation id="A12A4B1CCB3FFFDAFDB3310CFD50F8F8" author="Munster, G." box="[599,759,1834,1857]" pageId="15" pageNumber="16" refId="ref17117" refString="Munster, G. Graf zu: Ueber die Planuliten und Goniatiten im Uebergangs-Kalk des Fichtelgebirges, Bayreuth, Birner, 1832." type="book" year="1832">Münster, 1832</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
(
|
||
<figureCitation id="5D802A68CB3FFFDAFF60316CFF7EF8D8" box="[132,217,1866,1889]" captionStart="Figure 18" captionStartId="17.[124,191,1359,1380]" captionTargetBox="[134,1453,177,1323]" captionTargetId="figure-14@17.[132,1455,177,1328]" captionTargetPageId="17" captionText="Figure 18. Cymaclymenia costellata (Münster, 1832) from the Rhenish Mountains (Germany); all × 1.0. (A) Specimen MB.C.22692 (Korn 1974 Coll.) from Reigern. (B) Specimen MB.C.4179 (Denckmann 1900 Coll.) from Wettmarsen. (C) Specimen MB.C.22695.1 (Korn 1977 Coll.) from Oberrödinghausen. (D) Specimen MB.C.22700 (Schindewolf 1931 Coll.) from Hauern near Braunau. (E) Specimen MB.C.22697 (Korn 1987 Coll.) from Effenberg. (F) Specimen MB.C.4185 (Lotz and Denckmann 1900 Coll.) from Langenholthausen. (G) Specimen MB.C.22701 (Denckmann 1895 Coll.) from Hauern.(H) Specimen MB.C.4202.2 (purchased 1903) from Hauern.(I) Specimen MB.C.4202.1 (purchased 1903) from Hauern." figureDoi="http://doi.org/10.5281/zenodo.10965336" httpUri="https://zenodo.org/record/10965336/files/figure.png" pageId="15" pageNumber="16">Fig. 18</figureCitation>
|
||
), but this species possesses riblets on the inner flanks. More differences can be seen in the ontogeny of the conch,
|
||
<taxonomicName id="02BB4D6ECB3FFFDAFC6734A6FC5BFD2E" authorityName="Klein & Korn" authorityYear="2014" box="[899,1020,640,663]" class="Cephalopoda" family="Cymaclymeniidae" genus="Cymaclymenia" kingdom="Animalia" pageId="15" pageNumber="16" phylum="Mollusca" rank="species" species="formosa">
|
||
<emphasis id="F7CFEAFFCB3FFFDAFC6734A6FC5BFD2E" box="[899,1020,640,663]" italics="true" pageId="15" pageNumber="16">C. formosa</emphasis>
|
||
</taxonomicName>
|
||
shows a clear triphasic ontogeny of the ww / dm ratio with a very slender juvenile stage (ww / dm = 0.30–0.35 at
|
||
<quantity id="02439B08CB3FFFDAFC2034E6FC58FD6E" box="[964,1023,704,727]" metricMagnitude="-3" metricUnit="m" metricValue="6.0" pageId="15" pageNumber="16" unit="mm" value="6.0">6 mm</quantity>
|
||
dm). The inner whorls are stouter in
|
||
<taxonomicName id="02BB4D6ECB3FFFDAFA7A34E6FC3DFD4E" authorityName="MB. C." baseAuthorityName="Munster" baseAuthorityYear="1832" class="Cephalopoda" family="Cymaclymeniidae" genus="Cymaclymenia" kingdom="Animalia" pageId="15" pageNumber="16" phylum="Mollusca" rank="species" species="costellata">
|
||
<emphasis id="F7CFEAFFCB3FFFDAFA7A34E6FC3DFD4E" italics="true" pageId="15" pageNumber="16">C. costellata</emphasis>
|
||
</taxonomicName>
|
||
(ww / dm = 0.40–0.45 at
|
||
<quantity id="02439B08CB3FFFDAFB4A34C6FB4EFD4E" box="[1198,1257,736,759]" metricMagnitude="-3" metricUnit="m" metricValue="6.0" pageId="15" pageNumber="16" unit="mm" value="6.0">6 mm</quantity>
|
||
dm) (
|
||
<figureCitation id="5D802A68CB3FFFDAFAC334C6FAD2FD4E" box="[1319,1397,736,759]" captionStart="Figure 19" captionStartId="18.[124,191,803,824]" captionTargetBox="[132,1455,177,795]" captionTargetId="graphics-653@18.[132,343,177,503]" captionTargetPageId="18" captionText="Figure 19. Cross sections (A–D; all × 1.5) and ontogenetic trajectories (E–H) of Cymaclymenia costellata (Münster, 1832) from the Rhenish Mountains of Germany. (A) Specimen MB.C.22693 (Korn 1975 Coll.) from Reigern. (B) Specimen MB.C.22694 (Korn 1974 Coll.) from Reigern. (C) Specimen MB.C.22695.2 (Korn 1977 Coll.) from Oberrödinghausen. (D) Specimen MB.C.22695.3 (Korn 1977 Coll.) from Oberrödinghausen. (E) Conch width index (ww / dm). (F) Umbilical width index (ww/ wh). (G) Whorl width index (uw /dm). (H) Whorl expansion rate (WER)." figureDoi="http://doi.org/10.5281/zenodo.10965338" httpUri="https://zenodo.org/record/10965338/files/figure.png" pageId="15" pageNumber="16">Fig. 19</figureCitation>
|
||
). Furthermore,
|
||
<taxonomicName id="02BB4D6ECB3FFFDAFC463526FB8DFCAE" authorityName="MB. C." baseAuthorityName="Munster" baseAuthorityYear="1832" box="[930,1066,768,791]" class="Cephalopoda" family="Cymaclymeniidae" genus="Cymaclymenia" kingdom="Animalia" pageId="15" pageNumber="16" phylum="Mollusca" rank="species" species="costellata">
|
||
<emphasis id="F7CFEAFFCB3FFFDAFC463526FB8DFCAE" box="[930,1066,768,791]" italics="true" pageId="15" pageNumber="16">C. costellata</emphasis>
|
||
</taxonomicName>
|
||
shows adult modifications such as a slightly tabulated venter and a deep terminal steinkern constriction.
|
||
</paragraph>
|
||
<paragraph id="C50436EDCB3FFFDAFCAA3546FA00FBCC" blockId="15.[819,1463,640,1301]" pageId="15" pageNumber="16">
|
||
<taxonomicName id="02BB4D6ECB3FFFDAFCAA3546FC60FCCE" authorityName="Klein & Korn" authorityYear="2014" box="[846,967,864,887]" class="Cephalopoda" family="Cymaclymeniidae" genus="Cymaclymenia" kingdom="Animalia" pageId="15" pageNumber="16" phylum="Mollusca" rank="species" species="formosa">
|
||
<emphasis id="F7CFEAFFCB3FFFDAFCAA3546FC60FCCE" box="[846,967,864,887]" italics="true" pageId="15" pageNumber="16">C. formosa</emphasis>
|
||
</taxonomicName>
|
||
differs from
|
||
<taxonomicName id="02BB4D6ECB3FFFDAFBB93546FB73FCCE" authorityName="Klein & Korn" authorityYear="2014" box="[1117,1236,864,887]" class="Cephalopoda" family="Cymaclymeniidae" genus="Cymaclymenia" kingdom="Animalia" pageId="15" pageNumber="16" phylum="Mollusca" rank="species" species="subvexa">
|
||
<emphasis id="F7CFEAFFCB3FFFDAFBB93546FB73FCCE" box="[1117,1236,864,887]" italics="true" pageId="15" pageNumber="16">C. subvexa</emphasis>
|
||
</taxonomicName>
|
||
from the Anti-Atlas in the nearly parallel flanks in the adult stage, which in
|
||
<taxonomicName id="02BB4D6ECB3FFFDAFA7A3559FC2FFC0F" authorityName="Klein & Korn" authorityYear="2014" class="Cephalopoda" family="Cymaclymeniidae" genus="Cymaclymenia" kingdom="Animalia" pageId="15" pageNumber="16" phylum="Mollusca" rank="species" species="subvexa">
|
||
<emphasis id="F7CFEAFFCB3FFFDAFA7A3559FC2FFC0F" italics="true" pageId="15" pageNumber="16">C. subvexa</emphasis>
|
||
</taxonomicName>
|
||
converge more strongly towards the narrow venter. Furthermore
|
||
<taxonomicName id="02BB4D6ECB3FFFDAFC253599FB9FFC6F" authorityName="Klein & Korn" authorityYear="2014" box="[961,1080,959,982]" class="Cephalopoda" family="Cymaclymeniidae" genus="Cymaclymenia" kingdom="Animalia" pageId="15" pageNumber="16" phylum="Mollusca" rank="species" species="subvexa">
|
||
<emphasis id="F7CFEAFFCB3FFFDAFC253599FB9FFC6F" box="[961,1080,959,982]" italics="true" pageId="15" pageNumber="16">C. subvexa</emphasis>
|
||
</taxonomicName>
|
||
has a more slender juvenile conch at
|
||
<quantity id="02439B08CB3FFFDAFCAA35F9FC2EFC4F" box="[846,905,991,1014]" metricMagnitude="-3" metricUnit="m" metricValue="4.0" pageId="15" pageNumber="16" unit="mm" value="4.0">4 mm</quantity>
|
||
diameter (ww / dm ∼
|
||
<quantity id="02439B08CB3FFFDAFB9035F9FB18FC4F" box="[1140,1215,991,1014]" metricMagnitude="-3" metricUnit="m" metricValue="8.636" pageId="15" pageNumber="16" unit="in" value="0.34">0.34 in</quantity>
|
||
<taxonomicName id="02BB4D6ECB3FFFDAFB2335F9FA99FC4F" authorityName="Klein & Korn" authorityYear="2014" box="[1223,1342,991,1014]" class="Cephalopoda" family="Cymaclymeniidae" genus="Cymaclymenia" kingdom="Animalia" pageId="15" pageNumber="16" phylum="Mollusca" rank="species" species="formosa">
|
||
<emphasis id="F7CFEAFFCB3FFFDAFB2335F9FA99FC4F" box="[1223,1342,991,1014]" italics="true" pageId="15" pageNumber="16">C. formosa</emphasis>
|
||
</taxonomicName>
|
||
but ∼
|
||
<quantity id="02439B08CB3FFFDAFA6335F9FCEFFBAF" metricMagnitude="-3" metricUnit="m" metricValue="7.62" pageId="15" pageNumber="16" unit="in" value="0.3">0.30 in</quantity>
|
||
<taxonomicName id="02BB4D6ECB3FFFDAFCB635D9FC6EFBAF" authorityName="Klein & Korn" authorityYear="2014" box="[850,969,1023,1046]" class="Cephalopoda" family="Cymaclymeniidae" genus="Cymaclymenia" kingdom="Animalia" pageId="15" pageNumber="16" phylum="Mollusca" rank="species" species="subvexa">
|
||
<emphasis id="F7CFEAFFCB3FFFDAFCB635D9FC6EFBAF" box="[850,969,1023,1046]" italics="true" pageId="15" pageNumber="16">C. subvexa</emphasis>
|
||
</taxonomicName>
|
||
). The best criterion for the separation of the species is the form of the umbilical wall, which in
|
||
<taxonomicName id="02BB4D6ECB3FFFDAFAA53239FA11FB8F" authorityName="Klein & Korn" authorityYear="2014" box="[1345,1462,1055,1078]" class="Cephalopoda" family="Cymaclymeniidae" genus="Cymaclymenia" kingdom="Animalia" pageId="15" pageNumber="16" phylum="Mollusca" rank="species" species="formosa">
|
||
<emphasis id="F7CFEAFFCB3FFFDAFAA53239FA11FB8F" box="[1345,1462,1055,1078]" italics="true" pageId="15" pageNumber="16">C. formosa</emphasis>
|
||
</taxonomicName>
|
||
is steep, but oblique in
|
||
<taxonomicName id="02BB4D6ECB3FFFDAFBD13219FB0CFBEF" authorityName="Klein & Korn" authorityYear="2014" box="[1077,1195,1087,1110]" class="Cephalopoda" family="Cymaclymeniidae" genus="Cymaclymenia" kingdom="Animalia" pageId="15" pageNumber="16" phylum="Mollusca" rank="species" species="subvexa">
|
||
<emphasis id="F7CFEAFFCB3FFFDAFBD13219FB0CFBEF" box="[1077,1195,1087,1110]" italics="true" pageId="15" pageNumber="16">C. subvexa</emphasis>
|
||
</taxonomicName>
|
||
(about 45
|
||
<superScript id="32CE9BA5CB3FFFDAFAFF3219FA82FBF2" attach="none" box="[1307,1317,1087,1099]" fontSize="8" pageId="15" pageNumber="16">◦</superScript>
|
||
).
|
||
<taxonomicName id="02BB4D6ECB3FFFDAFADB3219FA11FBEF" authorityName="Klein & Korn" authorityYear="2014" box="[1343,1462,1087,1110]" class="Cephalopoda" family="Cymaclymeniidae" genus="Cymaclymenia" kingdom="Animalia" pageId="15" pageNumber="16" phylum="Mollusca" rank="species" species="serotina">
|
||
<emphasis id="F7CFEAFFCB3FFFDAFADB3219FA11FBEF" box="[1343,1462,1087,1110]" italics="true" pageId="15" pageNumber="16">C. serotina</emphasis>
|
||
</taxonomicName>
|
||
differs from
|
||
<taxonomicName id="02BB4D6ECB3FFFDAFC5D3279FB88FBCF" authorityName="Klein & Korn" authorityYear="2014" box="[953,1071,1119,1142]" class="Cephalopoda" family="Cymaclymeniidae" genus="Cymaclymenia" kingdom="Animalia" pageId="15" pageNumber="16" phylum="Mollusca" rank="species" species="formosa">
|
||
<emphasis id="F7CFEAFFCB3FFFDAFC5D3279FB88FBCF" box="[953,1071,1119,1142]" italics="true" pageId="15" pageNumber="16">C. formosa</emphasis>
|
||
</taxonomicName>
|
||
in the almost smooth shell surface.
|
||
</paragraph>
|
||
<paragraph id="C50436EDCB3FFFDAFCAA3258FC6BFAAC" blockId="15.[819,1463,640,1301]" pageId="15" pageNumber="16">
|
||
<taxonomicName id="02BB4D6ECB3FFFDAFCAA3258FACBFB2C" authority="Nikolaeva and Bogoslovsky, 2005" authorityName="Nikolaeva and Bogoslovsky" authorityYear="2005" box="[846,1388,1150,1173]" class="Cephalopoda" family="Cymaclymeniidae" genus="Cymaclymenia" kingdom="Animalia" pageId="15" pageNumber="16" phylum="Mollusca" rank="species" species="subcompressa">
|
||
<emphasis id="F7CFEAFFCB3FFFDAFCAA3258FBA5FB2C" box="[846,1026,1150,1173]" italics="true" pageId="15" pageNumber="16">C. subcompressa</emphasis>
|
||
<bibRefCitation id="A12A4B1CCB3FFFDAFBE33258FACBFB2C" author="Nikolaeva, S. V. & Bogoslovsky, B. I." box="[1031,1388,1150,1173]" pageId="15" pageNumber="16" pagination="1 - 214" refId="ref17198" refString="Nikolaeva, S. V. and Bogoslovsky, B. I.: Devonskie ammonoidei: IV. Klimenii (podotryad Clymeniina), Trudy Paleontologicheskogo Instituta Rossiyskaya Akademiya Nauk, 1, 1 - 214, 2005." type="journal article" year="2005">Nikolaeva and Bogoslovsky, 2005</bibRefCitation>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="02BB4D6ECB3FFFDAFA7A3258FACFFB0C" authority="Nikolaeva and Bogoslovsky, 2005" authorityName="Nikolaeva and Bogoslovsky" authorityYear="2005" class="Cephalopoda" family="Cymaclymeniidae" genus="Cymaclymenia" kingdom="Animalia" pageId="15" pageNumber="16" phylum="Mollusca" rank="species" species="pseudocompressa">
|
||
<emphasis id="F7CFEAFFCB3FFFDAFA7A3258FC48FB0C" italics="true" pageId="15" pageNumber="16">C. pseudocompressa</emphasis>
|
||
<bibRefCitation id="A12A4B1CCB3FFFDAFC1C32B8FACFFB0C" author="Nikolaeva, S. V. & Bogoslovsky, B. I." box="[1016,1384,1182,1205]" pageId="15" pageNumber="16" pagination="1 - 214" refId="ref17198" refString="Nikolaeva, S. V. and Bogoslovsky, B. I.: Devonskie ammonoidei: IV. Klimenii (podotryad Clymeniina), Trudy Paleontologicheskogo Instituta Rossiyskaya Akademiya Nauk, 1, 1 - 214, 2005." type="journal article" year="2005">Nikolaeva and Bogoslovsky, 2005</bibRefCitation>
|
||
</taxonomicName>
|
||
have a similar shape, but the first species has an almost smooth shell and the second has lamellar growth lines, much coarser than in
|
||
<taxonomicName id="02BB4D6ECB3FFFDAFCAB32D8FC62FAAC" ID-CoL="335NZ" authorityName="Klein & Korn" authorityYear="2014" box="[847,965,1278,1301]" class="Cephalopoda" family="Cymaclymeniidae" genus="Cymaclymenia" kingdom="Animalia" pageId="15" pageNumber="16" phylum="Mollusca" rank="species" species="formosa">
|
||
<emphasis id="F7CFEAFFCB3FFFDAFCAB32D8FC62FAAC" box="[847,965,1278,1301]" italics="true" pageId="15" pageNumber="16">C. formosa</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |