209 lines
22 KiB
XML
209 lines
22 KiB
XML
<document id="011ACC81727406758A9270C0E69ADF03" ID-ISSN="0253-6730" IM.materialsCitations_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1649690268132" checkinUser="carolina" docAuthor="Sassaroli, Stefano & Venturi, Federico" docDate="2012" docId="03DA011AFFDAFFE0087DFAC6FB420B35" docLanguage="en" docName="RevPaleobiol.31.1.85-114.pdf" docOrigin="Revue de Paléobiologie 31 (1)" docStyle="DocumentStyle:C172DF54475A4E3C75B7590733AD2922.3:RevPaleobiol.2012-.journal_article.1cover" docStyleId="C172DF54475A4E3C75B7590733AD2922" docStyleName="RevPaleobiol.2012-.journal_article.1cover" docStyleVersion="3" docTitle="Hildaites planiventris Sassaroli & Venturi 2012, n. sp." docType="treatment" docVersion="2" lastPageNumber="99" masterDocId="FFE37962FFD5FFEF0953FF85FFA50C7C" masterDocTitle="Early Toarcian (post-OAE) Hildoceratinae (Ammonitina) fauna from the Marchean Apennines (Italy)" masterLastPageNumber="114" masterPageNumber="85" pageNumber="99" updateTime="1699312896216" updateUser="plazi" zenodo-license-document="CC-BY-4.0" zenodo-license-figures="CC-BY-4.0">
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<mods:mods id="9BD0B0C70461772D5AD9D2A11B478E65" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="5600807A3F9F9B514E0C323B3FD2C69E">
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<mods:title id="B038B73605E7F17E7E432A158E8A2F65">Early Toarcian (post-OAE) Hildoceratinae (Ammonitina) fauna from the Marchean Apennines (Italy)</mods:title>
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</mods:titleInfo>
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<mods:name id="068DCC7A64E925041DA4D4CC16BE0038" type="personal">
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<mods:role id="ACF5B97FED905F32EF6A9481259DC87E">
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<mods:roleTerm id="2B62E86EB034DC4453C944AB6B03B120">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="CE1AF796381596CCE3747AD9EF07EE8A">Sassaroli, Stefano</mods:namePart>
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</mods:name>
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<mods:name id="BD9D6FC42031CF3A800F8D13C186995C" type="personal">
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<mods:role id="377896094BC6807C494A71D68126E35E">
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<mods:roleTerm id="6FF3729D051045D2787052E9536A0571">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="1A74FFA44522D14BBE99D97FABE4529D">Venturi, Federico</mods:namePart>
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</mods:name>
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<mods:typeOfResource id="94F633FD2FD5D58863E1CF6A4CA79370">text</mods:typeOfResource>
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<mods:relatedItem id="390247705F3730C2103CAE473E6E2C44" type="host">
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<mods:titleInfo id="62FC1ED5F1FA3A24D8D21AF41B299838">
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<mods:title id="56BB480D70C24DFFE70718B8E9ED71DF">Revue de Paléobiologie</mods:title>
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</mods:titleInfo>
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<mods:part id="46B04EE586571869D088F4DEF76599EF">
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<mods:date id="69247D4F371BA94181FF88BC8A4A0B82">2012</mods:date>
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<mods:detail id="35444A66BC470FBC706375650F8294A9" type="pubDate">
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<mods:number id="980DD54167D716E79EE769725DEDF966">2012-07-31</mods:number>
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</mods:detail>
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<mods:detail id="2F45C991FE17BFC0EA0556B0FDFAFE49" type="volume">
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<mods:number id="5F1BF570C24140E3F23BBA99F5897747">31</mods:number>
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</mods:detail>
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<mods:detail id="6517A8FB0BB2A6DDF35CC1E474C6BE90" type="issue">
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<mods:number id="6173B18D9982ABA2CF941C94E4E5E66C">1</mods:number>
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</mods:detail>
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<mods:extent id="AE1163BD029CFEC79791CD5046099069" unit="page">
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<mods:start id="C08DB06790A10369E35D1BF87DAA936B">85</mods:start>
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<mods:end id="4342B2778C28FBF261DB18A83345815D">114</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:classification id="07247C318136B7201F03C9B81D3AAC99">journal article</mods:classification>
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<mods:identifier id="EED42C264AF014F9233A34582C0E8444" type="ISSN">0253-6730</mods:identifier>
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</mods:mods>
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<treatment id="03DA011AFFDAFFE0087DFAC6FB420B35" LSID="urn:lsid:plazi:treatment:03DA011AFFDAFFE0087DFAC6FB420B35" httpUri="http://treatment.plazi.org/id/03DA011AFFDAFFE0087DFAC6FB420B35" lastPageNumber="99" pageId="15" pageNumber="99">
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<subSubSection id="C369E387FFDAFFE0087DFAC6FDD80907" pageId="15" pageNumber="99" type="nomenclature">
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<paragraph id="8BCCB00CFFDAFFE0087DFAC6FDF80927" blockId="15.[270,637,1347,1404]" box="[302,605,1347,1371]" pageId="15" pageNumber="99">
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<heading id="D0840760FFDAFFE0087DFAC6FDF80927" box="[302,605,1347,1371]" centered="true" fontSize="9" level="2" pageId="15" pageNumber="99" reason="4">
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<emphasis id="B9076C1EFFDAFFE0087DFAC6FDF80927" bold="true" box="[302,605,1347,1371]" pageId="15" pageNumber="99">
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<taxonomicName id="4C73CB8FFFDAFFE0087DFAC6FDBF0927" ID-CoL="3LWW3" authority="Sassaroli & Venturi, 2012" authorityName="Sassaroli & Venturi" authorityYear="2012" box="[302,538,1347,1371]" class="Cephalopoda" family="Hildoceratidae" genus="Hildaites" kingdom="Animalia" order="Ammonoidea" pageId="15" pageNumber="99" phylum="Mollusca" rank="species" species="planiventris" status="sp. nov.">
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<emphasis id="B9076C1EFFDAFFE0087DFAC6FDBF0927" bold="true" box="[302,538,1347,1371]" italics="true" pageId="15" pageNumber="99">Hildaites planiventris</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A234D165FFDAFFE00B72FAC1FDF80927" box="[545,605,1348,1371]" pageId="15" pageNumber="99" 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="8BCCB00CFFDAFFE0085DFAE1FDD80907" blockId="15.[270,637,1347,1404]" box="[270,637,1379,1404]" pageId="15" pageNumber="99">
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<emphasis id="B9076C1EFFDAFFE0085DFAE1FDD80907" bold="true" box="[270,637,1379,1404]" pageId="15" pageNumber="99">
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Pl. IV, figs. 3a-c, 4, 5;
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<figureCitation id="1348AC89FFDAFFE00B51FAE6FDE60900" box="[514,579,1379,1404]" captionStart="Fig" captionStartId="16.[151,186,1282,1304]" captionTargetBox="[149,1433,259,1260]" captionTargetId="figure-361@16.[148,1433,259,1265]" captionTargetPageId="16" captionText="Fig. 7: A-C: Hildaites planiventris n. sp., holotype MSA61, shell draw (x1), whorl section (x1) and suture (x3). D-E: Hildaites bisulcatus n. sp., holotype MSA351, whorl section (x1) and suture (x3). F-G: Hildaites calamantis n. sp., holotype MSA85, whorl section (x1) and suture (x2)." pageId="15" pageNumber="99">Fig. 7</figureCitation>
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, A-C
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</emphasis>
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</paragraph>
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</subSubSection>
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<subSubSection id="C369E387FFDAFFE009C4FA26FDF709A0" pageId="15" pageNumber="99" type="materials_examined">
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<paragraph id="8BCCB00CFFDAFFE009C4FA26FDF709A0" blockId="15.[151,756,1443,2077]" pageId="15" pageNumber="99">
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<emphasis id="B9076C1EFFDAFFE009C4FA26FEA109C7" bold="true" box="[151,260,1443,1467]" pageId="15" pageNumber="99">Material:</emphasis>
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Six specimens of large, medium and small size, all coming from Marconessa quarry.
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</paragraph>
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</subSubSection>
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<subSubSection id="C369E387FFDAFFE009C4FA61FE0D0A67" pageId="15" pageNumber="99" type="etymology">
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<paragraph id="8BCCB00CFFDAFFE009C4FA61FE0D0A67" blockId="15.[151,756,1443,2077]" pageId="15" pageNumber="99">
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<emphasis id="B9076C1EFFDAFFE009C4FA61FED50980" bold="true" box="[151,368,1508,1532]" pageId="15" pageNumber="99">Derivatio nominis:</emphasis>
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By reason of its typical wide and perfectly flattened venter.
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</paragraph>
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</subSubSection>
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<subSubSection id="C369E387FFDAFFE009C4F9A1FD880AC0" pageId="15" pageNumber="99" type="materials_examined">
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<paragraph id="8BCCB00CFFDAFFE009C4F9A1FD030A00" blockId="15.[151,756,1443,2077]" pageId="15" pageNumber="99">
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<materialsCitation id="3B1BBA51FFDAFFE009C4F9A1FD030A00" collectionCode="IV" pageId="15" pageNumber="99" specimenCode="MSA 61" specimenCount="1" typeStatus="holotype">
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<emphasis id="B9076C1EFFDAFFE009C4F9A1FEAD0A40" bold="true" box="[151,264,1572,1596]" pageId="15" pageNumber="99">
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<typeStatus id="54C80EAEFFDAFFE009C4F9A1FEA60A40" box="[151,259,1572,1596]" pageId="15" pageNumber="99" type="holotype">Holotype</typeStatus>
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:
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</emphasis>
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A well preserved shell
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<specimenCode id="DBD51877FFDAFFE00B59F9A1FDC30A40" box="[522,614,1572,1596]" collectionCode="MSA" country="Ireland" httpUri="http://grbio.org/cool/vvha-6rck" name="Museum of Science and Art" pageId="15" pageNumber="99">MSA 61</specimenCode>
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of large size with the body chamber, coming from Marconessa quarry, section 3, bed 1 (Pl.
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<collectionCode id="ED6228C9FFDAFFE00821F9E0FE2B0A00" box="[370,398,1637,1660]" pageId="15" pageNumber="99">IV</collectionCode>
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, figs. 3a-b-c;
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<figureCitation id="1348AC89FFDAFFE00B4DF9E1FDFB0A00" box="[542,606,1636,1660]" captionStart="Fig" captionStartId="16.[151,186,1282,1304]" captionTargetBox="[149,1433,259,1260]" captionTargetId="figure-361@16.[148,1433,259,1265]" captionTargetPageId="16" captionText="Fig. 7: A-C: Hildaites planiventris n. sp., holotype MSA61, shell draw (x1), whorl section (x1) and suture (x3). D-E: Hildaites bisulcatus n. sp., holotype MSA351, whorl section (x1) and suture (x3). F-G: Hildaites calamantis n. sp., holotype MSA85, whorl section (x1) and suture (x2)." pageId="15" pageNumber="99">Fig. 7</figureCitation>
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, A-C).
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</materialsCitation>
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</paragraph>
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<paragraph id="8BCCB00CFFDAFFE009C4F901FD880AC0" blockId="15.[151,756,1443,2077]" pageId="15" pageNumber="99">
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<emphasis id="B9076C1EFFDAFFE009C4F901FEEA0AE0" bold="true" box="[151,335,1668,1692]" pageId="15" pageNumber="99">Stratus typicus:</emphasis>
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Nodular limestone and grey marls of early Toarcian (Bugarone Formation).
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</paragraph>
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</subSubSection>
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<subSubSection id="C369E387FFDAFFE009C4F941FF680BA1" pageId="15" pageNumber="99" type="diagnosis">
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<paragraph id="8BCCB00CFFDAFFE009C4F941FF680BA1" blockId="15.[151,756,1443,2077]" pageId="15" pageNumber="99">
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<emphasis id="B9076C1EFFDAFFE009C4F941FEAB0AA0" bold="true" box="[151,270,1732,1756]" pageId="15" pageNumber="99">Diagnosis:</emphasis>
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Evolute very compressed shell with little coiling overlap, high sub-rectangular whorl section by flattened sides. The wide and flattened not sulcated venter show a strong and raised keel. The falcoid, sparse, moderately strong usually single ribs start from a low and gently sloped umbilical wall. The umbilical edge is rounded. The ammonitic suture is simple, little frilled, characterized by a wide and little developed in height L lobe.
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</paragraph>
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</subSubSection>
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<subSubSection id="C369E387FFDAFFE009C4F860FBDE0D45" pageId="15" pageNumber="99" type="materials_examined">
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<paragraph id="8BCCB00CFFDAFFE009C4F860FBDE0D45" blockId="15.[151,756,1443,2077]" lastBlockId="15.[831,1437,257,1865]" pageId="15" pageNumber="99">
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<emphasis id="B9076C1EFFDAFFE009C4F860FE140B81" bold="true" box="[151,433,2021,2045]" pageId="15" pageNumber="99">
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<typeStatus id="54C80EAEFFDAFFE009C4F860FF5A0B81" box="[151,255,2021,2045]" pageId="15" pageNumber="99" type="holotype">Holotype</typeStatus>
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measurements
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</emphasis>
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. D (diameter):
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<quantity id="4C8B1DE9FFDAFFE00B39F860FD190B80" box="[618,700,2021,2045]" metricMagnitude="-2" metricUnit="m" metricValue="8.7" pageId="15" pageNumber="99" unit="mm" value="87.0">87 mm</quantity>
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- U (umbilical width):
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<quantity id="4C8B1DE9FFDAFFE00832F780FE090460" box="[353,428,2053,2077]" metricMagnitude="-2" metricUnit="m" metricValue="4.4" pageId="15" pageNumber="99" unit="mm" value="44.0">44 mm</quantity>
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- ratio U/D: 0.51 - Wb (whorl breadth):
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<quantity id="4C8B1DE9FFDAFFE00AF5FE84FC550D65" box="[934,1008,257,281]" metricMagnitude="-2" metricUnit="m" metricValue="1.5" pageId="15" pageNumber="99" unit="mm" value="15.0">15 mm</quantity>
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- Wh (whorl height):
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<quantity id="4C8B1DE9FFDAFFE00D8BFE84FA870D65" box="[1240,1314,257,281]" metricMagnitude="-2" metricUnit="m" metricValue="2.4" pageId="15" pageNumber="99" unit="mm" value="24.0">24 mm</quantity>
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- ratio Wh/ Wb: 1.6 - ratio Wb/Wh: 0.62.
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</paragraph>
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</subSubSection>
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<subSubSection id="C369E387FFDAFFE00A13FEC4FA2708DE" pageId="15" pageNumber="99" type="description">
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<paragraph id="8BCCB00CFFDAFFE00A13FEC4FC780FDC" blockId="15.[831,1437,257,1865]" pageId="15" pageNumber="99">
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<emphasis id="B9076C1EFFDAFFE00A13FEC4FC680D25" bold="true" box="[832,973,321,345]" pageId="15" pageNumber="99">Description:</emphasis>
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Evolute very compressed shell with little coiling overlap and a high sub-rectangular whorl section by flattened sides. The venter is wide and perfectly flat, not sulcated with a raised, sharp and strong keel. The low umbilical wall is sloped and the umbilical edge is rounded. The shell shows a spiral groove in the body chamber, placed at 1/3 of height of the whorl side from the umbilical edge, which, contrary to some
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<taxonomicName id="4C73CB8FFFDAFFE00C4CFDA1FA330E40" authorityName="HYATT" authorityYear="1867" box="[1311,1430,548,572]" class="Cephalopoda" family="Hildoceratidae" genus="Hildoceras" kingdom="Animalia" order="Ammonoidea" pageId="15" pageNumber="99" phylum="Mollusca" rank="genus">
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<emphasis id="B9076C1EFFDAFFE00C4CFDA1FA330E40" box="[1311,1430,548,572]" italics="true" pageId="15" pageNumber="99">Hildoceras</emphasis>
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</taxonomicName>
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, is not smooth. The falcoid ribs are moderately strong and spaced with low rib-density (we count 45 ribs in the last whorl of the phragmocone) and they are usually single, rarely bifurcating, in the phragmocone, and not much projected on the ventro-lateral edge showing a relatively short proximal segment. In the body chamber ribs increase in number becoming finer, denser and usually bifurcating-trifurcating. The suture line is simple and little frilled; it shows a L lobe wide and short, and a E lobe shorter than L. The ES saddle is much wider than the LS
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<subScript id="17F7B249FFDAFFE00AD5FC1DFC2B0FDA" attach="left" box="[902,910,920,934]" fontSize="6" pageId="15" pageNumber="99">1</subScript>
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saddle.
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</paragraph>
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<paragraph id="8BCCB00CFFDAFFE00A6CFC2DFA2708DE" blockId="15.[831,1437,257,1865]" pageId="15" pageNumber="99">
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<materialsCitation id="3B1BBA51FFDAFFE00A6CFC2DFADB08DE" collectionCode="MSA" pageId="15" pageNumber="99" specimenCode="MSA64, MSA78" specimenCount="5" typeStatus="paratype">
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<emphasis id="B9076C1EFFDAFFE00A6CFC2DFC1E0FBC" bold="true" box="[831,955,936,960]" pageId="15" pageNumber="99">
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<typeStatus id="54C80EAEFFDAFFE00A6CFC2DFC100FBC" box="[831,949,936,960]" pageId="15" pageNumber="99" type="paratype">Paratypes</typeStatus>
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:
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</emphasis>
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The
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<typeStatus id="54C80EAEFFDAFFE00AB8FC2CFBF40FBD" box="[1003,1105,937,961]" pageId="15" pageNumber="99" type="paratype">paratypes</typeStatus>
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are very similar to the
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<typeStatus id="54C80EAEFFDAFFE00C6BFC2DFA3D0FBC" box="[1336,1432,936,960]" pageId="15" pageNumber="99" type="holotype">holotype</typeStatus>
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, showing an evolute shell, a flat venter and a rounded umbilical edge. The ribs are more or less falcoid than the
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<typeStatus id="54C80EAEFFDAFFE00A39FB8CFC6E085D" box="[874,971,1033,1057]" pageId="15" pageNumber="99" type="holotype">holotype</typeStatus>
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. The suture line shows more or less short L and E lobes. Both small sized
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<typeStatus id="54C80EAEFFDAFFE00DFAFBAFFAAA083E" box="[1193,1295,1066,1090]" pageId="15" pageNumber="99" type="paratype">paratypes</typeStatus>
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<specimenCode id="DBD51877FFDAFFE00C4BFBACFAC8083D" box="[1304,1389,1065,1089]" collectionCode="MSA" country="Ireland" httpUri="http://grbio.org/cool/vvha-6rck" name="Museum of Science and Art" pageId="15" pageNumber="99">MSA64</specimenCode>
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and
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<specimenCode id="DBD51877FFDAFFE00A6CFBCFFC31081E" box="[831,916,1098,1122]" collectionCode="MSA" country="Ireland" httpUri="http://grbio.org/cool/vvha-6rck" name="Museum of Science and Art" pageId="15" pageNumber="99">MSA78</specimenCode>
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show a flat venter, never bisulcate. The species is characterized in all growth stages by a tabulate venter (see
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<tableCitation id="C6F185B7FFDAFFE00A22FB0FFC1A08DF" box="[881,959,1162,1187]" captionStart="Table 1" captionStartId="18.[831,884,401,423]" captionText="Table 1: Measurements in mm of the figured specimens (measurements of holotypes are in the text). D = diameter; U = umbilical width; Wb = whorl breadth; Wh = whorl height." pageId="15" pageNumber="99">Table 1</tableCitation>
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||
for measurements of all figured samples)
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||
</materialsCitation>
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.
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||
</paragraph>
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||
</subSubSection>
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<subSubSection id="C369E387FFDAFFE00A6CFB2EFB420B35" pageId="15" pageNumber="99" type="discussion">
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<paragraph id="8BCCB00CFFDAFFE00A6CFB2EFBF50B55" blockId="15.[831,1437,257,1865]" pageId="15" pageNumber="99">
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<emphasis id="B9076C1EFFDAFFE00A6CFB2EFB4C08BF" bold="true" box="[831,1257,1195,1219]" pageId="15" pageNumber="99">Remarks and comparative diagnosis:</emphasis>
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The dorsal sight of
|
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<typeStatus id="54C80EAEFFDAFFE00A0DFB4EFC1E089F" box="[862,955,1227,1251]" pageId="15" pageNumber="99" type="holotype">holotype</typeStatus>
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seems to be close to a specimen figured by HOWARTH (1992, pl. 30, figs. 9a-b) as
|
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<taxonomicName id="4C73CB8FFFDAFFE00D88FB69FA300978" baseAuthorityName="MOXON" baseAuthorityYear="1841" box="[1243,1429,1260,1284]" class="Cephalopoda" family="Hildoceratidae" genus="Hildaites" kingdom="Animalia" order="Ammonoidea" pageId="15" pageNumber="99" phylum="Mollusca" rank="species" species="murleyi">
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<emphasis id="B9076C1EFFDAFFE00D88FB69FA300978" box="[1243,1429,1260,1284]" italics="true" pageId="15" pageNumber="99">Hildaites murleyi</emphasis>
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</taxonomicName>
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. Nevertheless, HOWARTH’ s specimen compared to
|
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<taxonomicName id="4C73CB8FFFDAFFE00A13FAA8FC440938" authorityName="Sassaroli & Venturi" authorityYear="2012" box="[832,993,1324,1348]" class="Cephalopoda" family="Hildoceratidae" genus="Hildaites" kingdom="Animalia" order="Ammonoidea" pageId="15" pageNumber="99" phylum="Mollusca" rank="species" species="planiventris">
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<emphasis id="B9076C1EFFDAFFE00A13FAA8FC440938" box="[832,993,1324,1348]" italics="true" pageId="15" pageNumber="99">H. planiventris</emphasis>
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||
</taxonomicName>
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’s
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<typeStatus id="54C80EAEFFDAFFE00AA8FAA9FBFD0938" box="[1019,1112,1324,1348]" pageId="15" pageNumber="99" type="holotype">holotype</typeStatus>
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has a narrower venter, a subquadrate whorls section and a stronger keel and its ribs are finer and denser. Furthermore, its unbilical wall is higher than
|
||
<taxonomicName id="4C73CB8FFFDAFFE00A27FA08FC5609D9" authorityName="Sassaroli & Venturi" authorityYear="2012" box="[884,1011,1421,1445]" class="Cephalopoda" family="Hildoceratidae" genus="Hildaites" kingdom="Animalia" order="Ammonoidea" pageId="15" pageNumber="99" phylum="Mollusca" rank="species" species="planiventris">
|
||
<emphasis id="B9076C1EFFDAFFE00A27FA08FC5609D9" box="[884,1011,1421,1445]" italics="true" pageId="15" pageNumber="99">planiventris</emphasis>
|
||
</taxonomicName>
|
||
. On the other hand, BUCKMAN’ s (1921, pl. 216, figs. 2-3)
|
||
<typeStatus id="54C80EAEFFDAFFE00D5DFA2BFBCE09BA" box="[1038,1131,1454,1478]" pageId="15" pageNumber="99" type="holotype">holotype</typeStatus>
|
||
of
|
||
<taxonomicName id="4C73CB8FFFDAFFE00DCBFA2BFAA809BA" baseAuthorityName="MOXON" baseAuthorityYear="1841" box="[1176,1293,1454,1478]" class="Cephalopoda" family="Hildoceratidae" genus="Hildaites" kingdom="Animalia" order="Ammonoidea" pageId="15" pageNumber="99" phylum="Mollusca" rank="species" species="murleyi">
|
||
<emphasis id="B9076C1EFFDAFFE00DCBFA2BFAA809BA" box="[1176,1293,1454,1478]" italics="true" pageId="15" pageNumber="99">H. murleyi</emphasis>
|
||
</taxonomicName>
|
||
differs from our
|
||
<typeStatus id="54C80EAEFFDAFFE00A3DFA4BFC6E099A" box="[878,971,1486,1510]" pageId="15" pageNumber="99" type="holotype">holotype</typeStatus>
|
||
and from HOWARTH’ s specimen, because it has an almost swollen sub-quadrate whorl section, a wider flat venter and coarse, sinuous not falcoid ribs from the inner whorls too, which end near the keel. On the contrary the wide venter of
|
||
<taxonomicName id="4C73CB8FFFDAFFE00DDDF9D5FA8B0A1B" authorityName="Sassaroli & Venturi" authorityYear="2012" box="[1166,1326,1615,1639]" class="Cephalopoda" family="Hildoceratidae" genus="Hildaites" kingdom="Animalia" order="Ammonoidea" pageId="15" pageNumber="99" phylum="Mollusca" rank="species" species="planiventris">
|
||
<emphasis id="B9076C1EFFDAFFE00DDDF9D5FA8B0A1B" box="[1166,1326,1615,1639]" italics="true" pageId="15" pageNumber="99">H. planiventris</emphasis>
|
||
</taxonomicName>
|
||
is smooth because the ribs end on the ventro-lateral edge. For these reasons we think that
|
||
<taxonomicName id="4C73CB8FFFDAFFE00D67F915FB160AD4" authorityName="Sassaroli & Venturi" authorityYear="2012" box="[1076,1203,1680,1704]" class="Cephalopoda" family="Hildoceratidae" genus="Hildaites" kingdom="Animalia" order="Ammonoidea" pageId="15" pageNumber="99" phylum="Mollusca" rank="species" species="planiventris">
|
||
<emphasis id="B9076C1EFFDAFFE00D67F915FB160AD4" box="[1076,1203,1680,1704]" italics="true" pageId="15" pageNumber="99">planiventris</emphasis>
|
||
</taxonomicName>
|
||
is not a synonym of
|
||
<taxonomicName id="4C73CB8FFFDAFFE00A6CF934FC170AB4" baseAuthorityName="MOXON" baseAuthorityYear="1841" box="[831,946,1712,1736]" class="Cephalopoda" family="Hildoceratidae" genus="Hildaites" kingdom="Animalia" order="Ammonoidea" pageId="15" pageNumber="99" phylum="Mollusca" rank="species" species="murleyi">
|
||
<emphasis id="B9076C1EFFDAFFE00A6CF934FC170AB4" box="[831,946,1712,1736]" italics="true" pageId="15" pageNumber="99">H. murleyi</emphasis>
|
||
</taxonomicName>
|
||
. We believe also that HOWARTH has enlarged the morphological range of the British species
|
||
<taxonomicName id="4C73CB8FFFDAFFE00C78F954FA390A95" baseAuthorityName="MOXON" baseAuthorityYear="1841" box="[1323,1436,1745,1769]" class="Cephalopoda" family="Hildoceratidae" genus="Hildaites" kingdom="Animalia" order="Ammonoidea" pageId="15" pageNumber="99" phylum="Mollusca" rank="species" species="murleyi">
|
||
<emphasis id="B9076C1EFFDAFFE00C78F954FA390A95" box="[1323,1436,1745,1769]" italics="true" pageId="15" pageNumber="99">H. murleyi</emphasis>
|
||
</taxonomicName>
|
||
too much in having figured specimens sometime very different from each other.
|
||
</paragraph>
|
||
<paragraph id="8BCCB00CFFDAFFE00A6CF8B4FB420B35" blockId="15.[831,1437,257,1865]" box="[831,1255,1841,1865]" pageId="15" pageNumber="99">
|
||
<emphasis id="B9076C1EFFDAFFE00A6CF8B4FC680B35" bold="true" box="[831,973,1841,1865]" pageId="15" pageNumber="99">Occurrence:</emphasis>
|
||
Lowermost
|
||
<taxonomicName id="4C73CB8FFFDAFFE00D07F8B7FB020B35" box="[1108,1191,1842,1865]" class="Cephalopoda" family="Hildoceratidae" genus="Hildaites" kingdom="Animalia" order="Ammonoidea" pageId="15" pageNumber="99" phylum="Mollusca" rank="species" species="striatus">
|
||
<emphasis id="B9076C1EFFDAFFE00D07F8B7FB020B35" box="[1108,1191,1842,1865]" italics="true" pageId="15" pageNumber="99">Striatus</emphasis>
|
||
</taxonomicName>
|
||
zone.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |