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114 lines
14 KiB
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<document id="2D44D168DBD2F988194C046798E120C6" ID-DOI="10.5281/zenodo.4651042" ID-ISSN="1638-9395" ID-Zenodo-Dep="4651042" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1617194950417" checkinUser="felipe" docAuthor="Cecca, Fabrizio & Savary, Bérengère" docDate="2007" docId="6A5FC8133764BD03FEACFBE8C11BFCF1" docLanguage="en" docName="Geodiversitas.29.4.507-548.pdf.imf" docOrigin="Geodiversitas 29 (4)" docStyle="DocumentStyle:94524207C6714CF92F879FE43E306202.3:Geodiversitas.2000-2008.journal_article.type2" docStyleId="94524207C6714CF92F879FE43E306202" docStyleName="Geodiversitas.2000-2008.journal_article.type2" docStyleVersion="3" docTitle="Subdiscosphinctes Malinowska 1972" docType="treatment" docVersion="5" lastPageNumber="520" masterDocId="9666B06B3769BD0EFFA7FFA6C50FFF9A" masterDocTitle="Palaeontological study of Middle Oxfordian- Early Kimmeridgian (Late Jurassic) ammonites from the Rosso Ammonitico of Monte Inici (north-western Sicily, Italy)" masterLastPageNumber="548" masterPageNumber="507" pageNumber="520" updateTime="1698897436709" updateUser="plazi" zenodo-license-document="CC0-1.0" zenodo-license-figures="CC0-1.0">
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<mods:titleInfo id="AF971ACCE6548BB6F2DDE58C694FBC01">
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<mods:title id="5C4FDC1ED420BC1D5C2687D00970645C">Palaeontological study of Middle Oxfordian- Early Kimmeridgian (Late Jurassic) ammonites from the Rosso Ammonitico of Monte Inici (north-western Sicily, Italy)</mods:title>
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<mods:name id="2AD03CF3AD7A0D3066E838B29A7A9A8E" type="personal">
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<mods:roleTerm id="7820B7CF71853EAA8D686875B8329DC1">Author</mods:roleTerm>
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<mods:namePart id="4605CCACEE0FE1B9274C118745DED9C5">Cecca, Fabrizio</mods:namePart>
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<mods:affiliation id="1788F5CDB6F74C4689CB4DB3AF1A70DB">Université Pierre et Marie Curie-Paris 6, CNRS-UMR 5143 “ Paléobiodiversité et Paléoenvironnements ”, case 104, 4 place Jussieu, F- 75252 Paris cedex 05 (France) cecca @ ccr. jussieu. fr</mods:affiliation>
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<mods:name id="712B80284412BCD265328A2A21801988" type="personal">
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<mods:namePart id="B39DE9E99DB2C1410516D82DB79A70A1">Savary, Bérengère</mods:namePart>
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<mods:affiliation id="71A1E55CCD765A1C4620F6731C3399C8">Schlumberger Stavanger Research, Risabergveien 3, Tananger, P. O. Box 8013, N- 4068 Stavanger (Norway) BSavary @ stavanger. oilfield. slb. com</mods:affiliation>
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</mods:name>
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<mods:typeOfResource id="5AB7CEE2F6AA097C654CA02794937D20">text</mods:typeOfResource>
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<mods:title id="1796BDFD28F44E1EDDE044661878FADF">Geodiversitas</mods:title>
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<mods:part id="D3B138CADFE1D10D4D9EBB35A244684D">
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<mods:date id="C102A06C15C528CD56D8F521F8FC6BBD">2007</mods:date>
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<mods:detail id="0F8AFF908A74E37C7AB931C01E0DB184" type="volume">
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<mods:number id="77AC5AAD05CD5A47E34E352068C51C1A">29</mods:number>
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<mods:number id="D7DE1B1D19950B2CA450C76AF7B4C587">4</mods:number>
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<mods:start id="228656B5304DCE92FA6EDF4F97DD0BE6">507</mods:start>
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<mods:end id="BD7AFE5C22E294B496EB0A4D4FFB2FCC">548</mods:end>
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<mods:classification id="5C4A9E0233CDAC68A55C12D9F8AA0526">journal article</mods:classification>
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<mods:identifier id="3DBE2C0D9D83E50C44F4B504E7EE1F83" type="DOI">10.5281/zenodo.4651042</mods:identifier>
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<mods:identifier id="8CC5E043A1E8C0945310F99120845DFD" type="ISSN">1638-9395</mods:identifier>
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<mods:identifier id="C2F25888D587EBCBDCAFF49348CB74C4" type="Zenodo-Dep">4651042</mods:identifier>
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<treatment id="6A5FC8133764BD03FEACFBE8C11BFCF1" LSID="urn:lsid:plazi:treatment:6A5FC8133764BD03FEACFBE8C11BFCF1" httpUri="http://treatment.plazi.org/id/6A5FC8133764BD03FEACFBE8C11BFCF1" lastPageNumber="520" pageId="13" pageNumber="520">
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<subSubSection id="AAEC2A8E3764BD03FEACFBE8C4A0FB13" pageId="13" pageNumber="520" type="nomenclature">
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<paragraph id="E24979053764BD03FEACFBE8C4A0FB13" blockId="13.[267,493,1102,1161]" pageId="13" pageNumber="520">
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<heading id="B901CE693764BD03FEACFBE8C4A0FB13" centered="true" fontSize="11" level="2" pageId="13" pageNumber="520" reason="2">
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<taxonomicName id="25F602863764BD03FEACFBE8C4C7FBF3" ID-CoL="7PXR" authorityName="Malinowska" authorityYear="1972" box="[267,456,1102,1129]" class="Cephalopoda" family="Perisphinctidae" genus="Subdiscosphinctes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ammonoidea" pageId="13" pageNumber="520" phylum="Mollusca" rank="genus">
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<emphasis id="D082A5173764BD03FEACFBE8C4C7FBF3" bold="true" box="[267,456,1102,1129]" italics="true" pageId="13" pageNumber="520">Subdiscosphinctes</emphasis>
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</taxonomicName>
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sp. (
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<figureCitation id="7ACD65803764BD03FEF6FBC8C4A9FB13" box="[337,422,1134,1161]" captionStart="FIG" captionStartId="12.[113,124,1612,1629]" captionTargetBox="[138,1185,225,1503]" captionTargetId="figure-107@12.[134,1188,215,1513]" captionTargetPageId="12" captionText="FIG. 5. — A, B, Taramelliceras cf. hauffianum? (Oppel, 1863), specimen MI4W 8b/c/3 from bed 8c of section Monte Inici East: A, lateral (slightly oblique) view; B, ventral view; C, Perisphinctes (Dichotomosphinctes) gr. antecedens? Salfeld, 1914, specimen MI3 9/10 from bed 9 of section Castello Inici; D, Subdiscosphinctes sp., specimen MI4N 9/4 from bed 9 of section Monte Inici East. All figures natural size. Arrows indicate the beginning of the body chamber." figureDoi="http://doi.org/10.5281/zenodo.4651050" httpUri="https://zenodo.org/record/4651050/files/figure.png" pageId="13" pageNumber="520">Fig. 5D</figureCitation>
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)
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="AAEC2A8E3764BD03FFD6FB0EC78CFAE9" pageId="13" pageNumber="520" type="materials_examined">
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<paragraph id="E24979053764BD03FFD6FB0EC4D6FB5A" blockId="13.[113,473,1192,1216]" box="[113,473,1192,1216]" pageId="13" pageNumber="520">MATERIAL EXAMINED. — MI4N 9/4.</paragraph>
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<paragraph id="E24979053764BD03FFD6FB7FC78CFAE9" blockId="13.[113,647,1239,1396]" pageId="13" pageNumber="520">
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STRATIGRAPHICAL DISTRIBUTION. — The specimen has been collected in bed 9 of section Monte Inici East, which has been assigned to the Planula Zone. The specimens figured by
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<bibRefCitation id="866704F43764BD03FF7DFA80C461FAA5" author="CHOFFAT P." box="[218,366,1318,1343]" pageId="13" pageNumber="520" refId="ref18921" refString="CHOFFAT P. 1893. - Description de la faune jurassique du Portugal. Serie I: ammonites du Lusitanien de la contree de Torres-Vedras. Direction des Travaux geologiques du Portugal, Lisbon, 82 p." type="book" year="1893">Choffat (1893)</bibRefCitation>
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were collected in layer 12 of Cabanas de Torres (
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<collectingCountry id="9AE139953764BD03FE81FAE7C474FAC3" box="[294,379,1345,1369]" name="Portugal" pageId="13" pageNumber="520">Portugal</collectingCountry>
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), together with species of the genus
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<taxonomicName id="25F602863764BD03FF17FAFDC43DFAE9" authorityName="Spath" authorityYear="1925" box="[176,306,1371,1395]" class="Cephalopoda" genus="Subnebrodites" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ammonitida" pageId="13" pageNumber="520" phylum="Mollusca" rank="genus">
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<emphasis id="D082A5173764BD03FF17FAFDC43DFAE9" box="[176,306,1371,1395]" italics="true" pageId="13" pageNumber="520">Subnebrodites</emphasis>
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</taxonomicName>
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, which indicate the Planula Zone.
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</paragraph>
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</subSubSection>
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<subSubSection id="AAEC2A8E3764BD03FFD6FA2AC6C5FE75" pageId="13" pageNumber="520" type="description">
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<paragraph id="E24979053764BD03FFD6FA2AC40DFA3E" blockId="13.[113,647,1420,1700]" box="[113,258,1420,1446]" pageId="13" pageNumber="520">DESCRIPTION</paragraph>
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<paragraph id="E24979053764BD03FFD6FA0DC6C5FE75" blockId="13.[113,647,1420,1700]" lastBlockId="13.[677,1210,216,496]" pageId="13" pageNumber="520">
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Compressed, evolute shell. The whorl section is subtrapezoidal, with flat flanks converging towards a narrow, gently rounded (almost flat) venter. Due to insufficient preservation, both the umbilical edge and the umbilical wall are not clearly visible. The ornamentation consists of numerous fine, prorsiradiate ribs. These spring from the umbilical edge and bifurcate at the upper third of the flank. Some ribs remain simple. Two ribs may be united on the umbilical edge to form rib bundles, which may be composed either by two bifurcate ribs or by a simple rib together with a bifurcate rib. According to
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<bibRefCitation id="866704F43764BD03FBD3FE91C7FEFEEB" author="ATROPS F." pageId="13" pageNumber="520" pagination="1 - 463" refId="ref17827" refString="ATROPS F. 1982. - La sous-famille des Ataxioceratinae (Ammonitina) dans le Kimmeridgien inferieur du Sud-Est de la France. Systematique, evolution, chronostratigraphie des genres Orthosphinctes et Ataxioceras. Documents des Laboratoires de Geologie de Lyon 83: 1 - 463." type="journal article" year="1982">Atrops (1982)</bibRefCitation>
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, these combinations are respectively called subpolyplocoid and incomplete subpolyplocoid ribs. At least in the first third of the body chamber a narrow smooth band interrupts ribs on the venter. Measurements: see
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<tableCitation id="AF744CBE3764BD03FCD3FE73C6C5FE75" box="[884,970,469,495]" captionStart="TABLE" captionStartId="39.[445,454,219,236]" captionText="TABLE 6. — Measurements of Subdiscosphinctes sp." pageId="13" pageNumber="520">Table 6.</tableCitation>
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</paragraph>
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</subSubSection>
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<subSubSection id="AAEC2A8E3764BD03FD02FDB3C11BFCF1" pageId="13" pageNumber="520" type="discussion">
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<paragraph id="E24979053764BD03FD02FDB3C629FDB7" blockId="13.[677,1210,533,876]" box="[677,806,533,559]" pageId="13" pageNumber="520">DISCUSSION</paragraph>
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<paragraph id="E24979053764BD03FD02FD92C11BFCF1" blockId="13.[677,1210,533,876]" pageId="13" pageNumber="520">
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This specimen shows some resemblances (coiling, whorl section) with some of the specimens figured by
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<bibRefCitation id="866704F43764BD03FD63FDD2C668FD14" author="CHOFFAT P." box="[708,871,628,654]" pageId="13" pageNumber="520" refId="ref18921" refString="CHOFFAT P. 1893. - Description de la faune jurassique du Portugal. Serie I: ammonites du Lusitanien de la contree de Torres-Vedras. Direction des Travaux geologiques du Portugal, Lisbon, 82 p." type="book" year="1893">Choffat (1893)</bibRefCitation>
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. It has been provisionally identified in
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<bibRefCitation id="866704F43764BD03FD57FD35C6B3FD37" author="CECCA F. & SAVARY B. & BARTOLINI A. & CORDEY F." box="[752,956,659,685]" pageId="13" pageNumber="520" pagination="647 - 659" refId="ref18827" refString="CECCA F., SAVARY B., BARTOLINI A., REMANE J & CORDEY F. 2001. - The Middle Jurassic-Lower Cretaceous Rosso Ammonitico succession of Monte Inici (Trapanese domain, Western Sicily): sedimentology, biostratigraphy and isotope stratigraphy. Bulletin de la Societe geologique de France 172: 647 - 659." type="journal article" year="2001">
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Cecca
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<emphasis id="D082A5173764BD03FC9FFD32C664FD37" box="[824,875,659,685]" italics="true" pageId="13" pageNumber="520">et al.</emphasis>
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(2001)
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</bibRefCitation>
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as
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<taxonomicName id="25F602863764BD03FC79FD35C16EFD37" authority="Cecca & Savary, 2007" authorityName="Cecca & Savary" authorityYear="2007" box="[990,1121,659,685]" class="Cephalopoda" family="Perisphinctidae" genus="Perisphinctes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ammonitida" pageId="13" pageNumber="520" phylum="Mollusca" rank="genus" status="sp. nov.">
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<emphasis id="D082A5173764BD03FC79FD35C16EFD37" box="[990,1121,659,685]" italics="true" pageId="13" pageNumber="520">Perisphinctes</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="CBB1186C3764BD03FBCFFD32C1B5FD34" box="[1128,1210,660,686]" pageId="13" pageNumber="520" rank="species">sp. nov.</taxonomicNameLabel>
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aff.
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<emphasis id="D082A5173764BD03FD6CFD15C620FD57" box="[715,815,691,717]" italics="true" pageId="13" pageNumber="520">dybowskii</emphasis>
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Siemiradzki
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<emphasis id="D082A5173764BD03FC10FD12C6C2FD57" box="[951,973,692,717]" italics="true" pageId="13" pageNumber="520">in</emphasis>
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<bibRefCitation id="866704F43764BD03FC75FD15C162FD57" author="CHOFFAT P." box="[978,1133,691,717]" pageId="13" pageNumber="520" refId="ref18921" refString="CHOFFAT P. 1893. - Description de la faune jurassique du Portugal. Serie I: ammonites du Lusitanien de la contree de Torres-Vedras. Direction des Travaux geologiques du Portugal, Lisbon, 82 p." type="book" year="1893">Choffat (1893</bibRefCitation>
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: pl. 10, fig. 1), from which our specimen differs because of its denser ribbing and the development of subpolyplocoid ribs. The latter are developed in
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<taxonomicName id="25F602863764BD03FBFBFCB4C65FFCD6" authority="(Choffat, 1893)" baseAuthorityName="Choffat" baseAuthorityYear="1893" class="Cephalopoda" genus="Subnebrodites" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ammonitida" pageId="13" pageNumber="520" phylum="Mollusca" rank="species" species="castroi">
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<emphasis id="D082A5173764BD03FBFBFCB4C1B5FCB6" box="[1116,1210,786,812]" italics="true" pageId="13" pageNumber="520">S. castroi</emphasis>
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(
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<bibRefCitation id="866704F43764BD03FD0BFC94C647FCD6" author="CHOFFAT P." box="[684,840,818,844]" pageId="13" pageNumber="520" refId="ref18921" refString="CHOFFAT P. 1893. - Description de la faune jurassique du Portugal. Serie I: ammonites du Lusitanien de la contree de Torres-Vedras. Direction des Travaux geologiques du Portugal, Lisbon, 82 p." type="book" year="1893">Choffat, 1893</bibRefCitation>
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)
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</taxonomicName>
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(see
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<bibRefCitation id="866704F43764BD03FC2FFC94C111FCD6" author="CHOFFAT P." box="[904,1054,818,844]" pageId="13" pageNumber="520" refId="ref18921" refString="CHOFFAT P. 1893. - Description de la faune jurassique du Portugal. Serie I: ammonites du Lusitanien de la contree de Torres-Vedras. Direction des Travaux geologiques du Portugal, Lisbon, 82 p." type="book" year="1893">Choffat 1893</bibRefCitation>
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: pl. 10, figs 5, 6), which is clearly more involute.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |