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<document id="A6257B604EE2C3BD302DFCA85E260C02" ID-CLB-Dataset="304811" ID-DOI="10.5252/geodiversitas2024v46a15" ID-GBIF-Dataset="fe16163e-5e9d-4c80-89c8-fce3fb2e064f" ID-ISSN="1638-9395" ID-Zenodo-Dep="13985760" ID-ZooBank="urn:lsid:zoobank.org:pub:C32EAAFD-85D8-45CD-8DF7-B894E1537713" IM.bibliography_approvedBy="valdenar" IM.illustrations_approvedBy="valdenar" IM.materialsCitations_approvedBy="valdenar" IM.metadata_approvedBy="valdenar" IM.tables_requiresApprovalFor="GgImagineBatch" IM.taxonomicNames_approvedBy="valdenar" IM.treatmentCitations_approvedBy="valdenar" IM.treatments_approvedBy="valdenar" checkinTime="1729758589633" checkinUser="plazi" docAuthor="Merle, Didier, Pacaud, Jean-Michel, Ledon, Daniel &amp; Goret, Bernard" docDate="2024" docId="038E87DAFFC5E423FC05F8C2FEAEFE63" docLanguage="en" docName="geodiversitas.2024.46.15.pdf" docOrigin="Geodiversitas 46 (15)" docSource="https://sciencepress.mnhn.fr/sites/default/files/articles/pdf/g2024v46a15.pdf" docStyle="DocumentStyle:F830B10FF475E64C1F1601E3B32DDC00.4:Geodiversitas.2018-.journal_article" docStyleId="F830B10FF475E64C1F1601E3B32DDC00" docStyleName="Geodiversitas.2018-.journal_article" docStyleVersion="4" docTitle="Flexopteron constantinense Merle, Pacaud, Ledon &amp; Goret, 2024, n. sp." docType="treatment" docUuid="E9257B15-F0B3-4134-9514-789263749385" docUuidSource="ZooBank" docVersion="9" lastPageNumber="529" masterDocId="FFB7FFA2FFE6E406FFB8FFD6FF81FFB3" masterDocTitle="New Cenozoic Muricidae (Mollusca: Gastropoda) from Europe" masterLastPageNumber="551" masterPageNumber="495" pageNumber="528" updateTime="1732586620909" updateUser="ExternalLinkService" zenodo-license-document="CC0-1.0" zenodo-license-figures="CC0-1.0">
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<mods:title id="03DC96F3BEF7D0ED18E2F9755EA207B7">New Cenozoic Muricidae (Mollusca: Gastropoda) from Europe</mods:title>
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<mods:namePart id="BC204EA7391199298F2DCDA99CC5C719">Merle, Didier</mods:namePart>
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<mods:namePart id="B98AB9321DBE6F12D2E198E5DCE0CC44">Ledon, Daniel</mods:namePart>
<mods:affiliation id="5458FB3962F0EACC36739E08574F3445">Muséum national dhistoire naturelle, Département Origines et Évolution (CR 2 P - MNHN, CNRS, UPMC, Sorbonne Université), 57 rue Cuvier, 75231 Paris cedex 05 (France) didier. merle @ mnhn. fr (corresponding author) jean-michel. pacaud @ mnhn. fr dnledon @ yahoo. fr</mods:affiliation>
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<mods:date id="BC33D1ACB75F55C47F9E0F6E11AC33B6">2024</mods:date>
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<emphasis id="B953EADEFFC5E425FC05F8C2FB5FF89E" bold="true" box="[957,1246,1811,1838]" italics="true" pageId="35" pageNumber="528">Flexopteron constantinense</emphasis>
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(
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A-D; 27M, N)
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. —
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.
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<collectingCountry id="F330765CFFC5E425FBE0F86FFB1BF862" box="[1112,1178,1977,2001]" name="France" pageId="35" pageNumber="528">France</collectingCountry>
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,
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,
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(Cauvin);
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à
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; late
<location id="8EF86017FFC5E425FAD1F802FA2EF858" LSID="urn:lsid:plazi:treatment:038E87DAFFC5E423FC05F8C2FEAEFE63:8EF86017FFC5E425FAD1F802FA2EF858" box="[1385,1455,2004,2027]" country="France" county="Manche" municipality="Rauville-la-Place" name="Eocene" pageId="35" pageNumber="528" stateProvince="Haute-Normandie">Eocene</location>
(Priabonian);
<collectionCode id="ED36AE09FFC2E422FEB1FA66FEDEFA74" box="[265,351,1456,1479]" country="France" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34988" lsid="urn:lsid:biocol.org:col:34988" name="Museum National d'Histoire Naturelle" pageId="36" pageNumber="529">MNHN</collectionCode>
.F.A77760 (
<collectionCode id="ED36AE09FFC2E422FE75FA79FDA0FA74" box="[461,545,1455,1479]" country="France" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34988" lsid="urn:lsid:biocol.org:col:34988" name="Museum National d'Histoire Naturelle" pageId="36" pageNumber="529">MNHN</collectionCode>
coll.), H:
<quantity id="4CDF9B29FFC2E422FD39FA79FD4CFA74" box="[641,717,1455,1479]" metricMagnitude="-3" metricUnit="m" metricValue="9.2" pageId="36" pageNumber="529" unit="mm" value="9.2">9.2 mm</quantity>
(fragment of last whorl) (
<figureCitation id="131C2A49FFC2E422FEF6FA1CFE49FA52" box="[334,456,1482,1506]" captionStart="FIG" captionStartId="38.[132,143,1194,1211]" captionTargetBox="[132,1455,214,1151]" captionTargetId="figure-386@38.[698,1267,187,730]" captionTargetPageId="38" captionText="FIG. 20. — Spiral cords and internal denticles of the outer lip in Flexopteron constantinense n. sp. (A-D) and F. liancurtense n. sp. (E-H): A, B, paratype:MNHN.F. A77761 (MNHN coll.),Carentan-les-Marais (Cauvin),Manche,France,late Eocene (Priabonian);C, D, holotype:MNHN.F.A77760 (MNHN coll.),Carentan-les-Marais (Cauvin);E, F, holotype:MNHN.F.J02578 (Cossmann coll.),Liancourt-Saint-Pierre,Oise Paris Basin,France,early Eocene (Ypresian);G, H, paratype:MNHN.F.A77758 (Merle coll.), Liancourt-Saint-Pierre. Scale bars: A, B, E-H, 3 mm; C, D, 5 mm. Credits: P. Loubry (MNHN/CNRS)." figureDoi="http://doi.org/10.5281/zenodo.13985808" httpUri="https://zenodo.org/record/13985808/files/figure.png" pageId="36" pageNumber="529">Figs 20C, D</figureCitation>
;
<figureCitation id="131C2A49FFC2E422FE6BFA1CFD83FA51" box="[467,514,1482,1506]" captionStart="FIG" captionStartId="46.[132,143,1606,1623]" captionTargetBox="[132,1455,215,1546]" captionTargetId="figure-366@46.[699,1260,794,1359]" captionTargetPageId="46" captionText="FIG. 27. — New species of Timbellus De Gregorio, 1885, Pterynotus Swainson, 1833 (Pterymarchia Houart, 1995), Textiliomurex Merle, 2011, Ponderia Houart, 1986 and Flexopteron Shuto, 1969: A-C, Timbellus submicropterus n. sp.: A, holotype, MNHN.F.A24111 (MNHN coll.), Fresville, France, Lutetian; B, paratype, MNHN.F.A24126 (Munier-Chalmas coll.), Gourbesville, France, Lutetian; C, paratype, UCBL-EM 33438 (Bourdot coll.), Fresville; D, T. cf. submicropterus n. sp., MNHN.F.A90557 (Brébion coll.), Saint-Aignan-Grand-Lieu (Pierre-Aiguë), France, Bartonian; E, F, Pterynotus (Pterymarchia) gaasensis n. sp.: E, holotype, MNHN.F.A32492 (Merle coll.), Gaas (Espibos), France, Rupelian; F, paratype, MNHN.F.A90554 (Merle coll.), Gaas (Espibos); G, H, P. (P.) pelouatensis n. sp.: G, holotype, MNHN.F.J09945, Saucats (Peloua), France, Burdigalian; H, paratype, MNHN.F.J17632, Saucats (Peloua); I, J, Textiliomurex chodmonensis n. sp.: I, holotype, MNHN.F.A81144 (Pacaud coll.), Chaumont-en-Vexin (Carrière Darcy), France, Lutetian; J, paratype, MNHN.F.A81145 (Pons coll.), Chaumont-en- Vexin (Carrière Darcy); K, L, Ponderia remyi n. sp.: K, holotype, MNHN.F.A90548 (Remy coll.), Fresville, Lutetian; L, paratype, MNHN.F.A90555, Fresville (Remy coll.); M, N, Flexopteron constantinense n. sp.: M, paratype, MNHN.F.A77761 (MNHN coll.), Carentan-les-Marais (Cauvin), France, Priabonian; N, holotype, MNHN.F.A77760 (MNHN coll.), Carentan-les-Marais (Cauvin). Scale bars: A-D, I-L, 10 mm; E-H, N, 5 mm; M, 3 mm. Credits: A, B, D-F, N, P. Loubry (MNHN/ CNRS); C, E. Robert (UCBL)." figureDoi="http://doi.org/10.5281/zenodo.13985831" httpUri="https://zenodo.org/record/13985831/files/figure.png" pageId="36" pageNumber="529">27N</figureCitation>
).
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</paragraph>
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. 19. — Spiral cords and internal denticles of the outer lip in
<taxonomicName id="4C274D4FFFC2E422FD12FAF7FC1CFA81" authorityName="Merle &amp; Pacaud &amp; Ledon &amp; Goret" authorityYear="2024" box="[682,925,1313,1330]" class="Gastropoda" family="Muricidae" genus="Textiliomurex" kingdom="Animalia" order="Neogastropoda" pageId="36" pageNumber="529" phylum="Mollusca" rank="species" species="chodmonensis" status="sp. nov.">
<emphasis id="B953EADEFFC2E422FD12FAF7FC1CFA81" box="[682,925,1313,1330]" italics="true" pageId="36" pageNumber="529">Textiliomurex chodmonensis</emphasis>
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<taxonomicNameLabel id="A26057A5FFC2E422FC1CFAF7FC54FA81" box="[932,981,1313,1330]" pageId="36" pageNumber="529" rank="species">n. sp.</taxonomicNameLabel>
(
<emphasis id="B953EADEFFC2E422FC67FAF7FB83FA81" bold="true" box="[991,1026,1313,1330]" pageId="36" pageNumber="529">A -D</emphasis>
) and
<taxonomicName id="4C274D4FFFC2E422FB8CFAF7FB35FA81" authorityName="Merle &amp; Pacaud &amp; Ledon &amp; Goret" authorityYear="2024" box="[1076,1204,1313,1330]" class="Gastropoda" family="Muricidae" genus="Ponderia" kingdom="Animalia" order="Neogastropoda" pageId="36" pageNumber="529" phylum="Mollusca" rank="species" species="remyi" status="sp. nov.">
<emphasis id="B953EADEFFC2E422FB8CFAF7FB35FA81" box="[1076,1204,1313,1330]" italics="true" pageId="36" pageNumber="529">Ponderia remyi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A26057A5FFC2E422FB03FAF7FB6CFA81" box="[1211,1261,1313,1330]" pageId="36" pageNumber="529" rank="species">n. sp.</taxonomicNameLabel>
(
<emphasis id="B953EADEFFC2E422FB4FFAF7FA82FA81" bold="true" box="[1271,1283,1313,1330]" pageId="36" pageNumber="529">E</emphasis>
,
<emphasis id="B953EADEFFC2E422FAB7FAF7FA9CFA81" bold="true" box="[1295,1309,1313,1330]" pageId="36" pageNumber="529">H</emphasis>
):
<emphasis id="B953EADEFFC2E422FA96FAF7FABAFA81" bold="true" box="[1326,1339,1313,1330]" pageId="36" pageNumber="529">A</emphasis>
,
<emphasis id="B953EADEFFC2E422FAFFFAF7FAD5FA81" bold="true" box="[1351,1364,1313,1330]" pageId="36" pageNumber="529">B</emphasis>
, holotype, MNHN.F.A81144 (Pacaud coll.), Chaumont-en-Vexin (Carrière Darcy), Oise, Paris Basin, France, middle Eocene (Lutetian);
<emphasis id="B953EADEFFC2E422FB2FFAE1FB24FAFB" bold="true" box="[1175,1189,1335,1352]" pageId="36" pageNumber="529">C</emphasis>
,
<emphasis id="B953EADEFFC2E422FB09FAE1FB3EFAFB" bold="true" box="[1201,1215,1335,1352]" pageId="36" pageNumber="529">D</emphasis>
, paratype, MNHN.F.A81145 (Pons coll.), Chaumont-en-Vexin (Carrière Darcy);
<emphasis id="B953EADEFFC2E422FD9AFA98FDAFFAEC" bold="true" box="[546,558,1358,1375]" pageId="36" pageNumber="529">E</emphasis>
,
<emphasis id="B953EADEFFC2E422FD80FA98FDC2FAEC" bold="true" box="[568,579,1358,1375]" pageId="36" pageNumber="529">F</emphasis>
, holotype, MNHN.F.A90548 (Remy coll.), Fresville, Manche, Normandy, France, middle Eocene (Lutetian);
<emphasis id="B953EADEFFC2E422FF3CFAB3FF13FAC5" bold="true" box="[132,146,1381,1398]" pageId="36" pageNumber="529">G</emphasis>
,
<emphasis id="B953EADEFFC2E422FF25FAB3FF2AFAC5" bold="true" box="[157,171,1381,1398]" pageId="36" pageNumber="529">H</emphasis>
, MNHN.F.A90555, Fresville (Remy coll.). Scale bars: 10 mm. Credits: P. Loubry (MNHN/CNRS).
</paragraph>
</caption>
<paragraph id="8B9836CCFFC2E422FF3CFA32FD6DF982" blockId="36.[132,775,1455,1585]" pageId="36" pageNumber="529">
<materialsCitation id="3B4F3C91FFC2E422FF3CFA32FC86F9A4" ID-GBIF-Occurrence="4958671341" country="France" location="France" pageId="36" pageNumber="529" specimenCount="1" typeStatus="paratype">
<emphasis id="B953EADEFFC2E422FF3CFA32FF67FA4F" bold="true" box="[132,230,1508,1532]" pageId="36" pageNumber="529">
<typeStatus id="549C886EFFC2E422FF3CFA32FF67FA4F" box="[132,230,1508,1532]" pageId="36" pageNumber="529" type="paratype">Paratypes</typeStatus>
</emphasis>
.
<emphasis id="B953EADEFFC2E422FF4DFA32FEB9FA4F" bold="true" box="[245,312,1508,1532]" pageId="36" pageNumber="529">
<collectingCountry id="F330765CFFC2E422FF4DFA32FEB9FA4F" box="[245,312,1508,1532]" name="France" pageId="36" pageNumber="529">France</collectingCountry>
</emphasis>
• 1 spm (juvenile); same as for the holotype;
<collectionCode id="ED36AE09FFC2E422FF3EFA29FF5BF9A5" box="[134,218,1535,1558]" country="France" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34988" lsid="urn:lsid:biocol.org:col:34988" name="Museum National d'Histoire Naturelle" pageId="36" pageNumber="529">MNHN</collectionCode>
.F.A77761 (
<collectionCode id="ED36AE09FFC2E422FEF6FA29FE22F9A4" box="[334,419,1535,1559]" country="France" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34988" lsid="urn:lsid:biocol.org:col:34988" name="Museum National d'Histoire Naturelle" pageId="36" pageNumber="529">MNHN</collectionCode>
coll.), juvenile (
<figureCitation id="131C2A49FFC2E422FDF1FA29FD43F9A5" box="[585,706,1535,1559]" captionStart="FIG" captionStartId="38.[132,143,1194,1211]" captionTargetBox="[132,1455,214,1151]" captionTargetId="figure-386@38.[698,1267,187,730]" captionTargetPageId="38" captionText="FIG. 20. — Spiral cords and internal denticles of the outer lip in Flexopteron constantinense n. sp. (A-D) and F. liancurtense n. sp. (E-H): A, B, paratype:MNHN.F. A77761 (MNHN coll.),Carentan-les-Marais (Cauvin),Manche,France,late Eocene (Priabonian);C, D, holotype:MNHN.F.A77760 (MNHN coll.),Carentan-les-Marais (Cauvin);E, F, holotype:MNHN.F.J02578 (Cossmann coll.),Liancourt-Saint-Pierre,Oise Paris Basin,France,early Eocene (Ypresian);G, H, paratype:MNHN.F.A77758 (Merle coll.), Liancourt-Saint-Pierre. Scale bars: A, B, E-H, 3 mm; C, D, 5 mm. Credits: P. Loubry (MNHN/CNRS)." figureDoi="http://doi.org/10.5281/zenodo.13985808" httpUri="https://zenodo.org/record/13985808/files/figure.png" pageId="36" pageNumber="529">Figs 20A, B</figureCitation>
;
<figureCitation id="131C2A49FFC2E422FD77FA29FD7EF9A4" box="[719,767,1535,1559]" captionStart="FIG" captionStartId="46.[132,143,1606,1623]" captionTargetBox="[132,1455,215,1546]" captionTargetId="figure-366@46.[699,1260,794,1359]" captionTargetPageId="46" captionText="FIG. 27. — New species of Timbellus De Gregorio, 1885, Pterynotus Swainson, 1833 (Pterymarchia Houart, 1995), Textiliomurex Merle, 2011, Ponderia Houart, 1986 and Flexopteron Shuto, 1969: A-C, Timbellus submicropterus n. sp.: A, holotype, MNHN.F.A24111 (MNHN coll.), Fresville, France, Lutetian; B, paratype, MNHN.F.A24126 (Munier-Chalmas coll.), Gourbesville, France, Lutetian; C, paratype, UCBL-EM 33438 (Bourdot coll.), Fresville; D, T. cf. submicropterus n. sp., MNHN.F.A90557 (Brébion coll.), Saint-Aignan-Grand-Lieu (Pierre-Aiguë), France, Bartonian; E, F, Pterynotus (Pterymarchia) gaasensis n. sp.: E, holotype, MNHN.F.A32492 (Merle coll.), Gaas (Espibos), France, Rupelian; F, paratype, MNHN.F.A90554 (Merle coll.), Gaas (Espibos); G, H, P. (P.) pelouatensis n. sp.: G, holotype, MNHN.F.J09945, Saucats (Peloua), France, Burdigalian; H, paratype, MNHN.F.J17632, Saucats (Peloua); I, J, Textiliomurex chodmonensis n. sp.: I, holotype, MNHN.F.A81144 (Pacaud coll.), Chaumont-en-Vexin (Carrière Darcy), France, Lutetian; J, paratype, MNHN.F.A81145 (Pons coll.), Chaumont-en- Vexin (Carrière Darcy); K, L, Ponderia remyi n. sp.: K, holotype, MNHN.F.A90548 (Remy coll.), Fresville, Lutetian; L, paratype, MNHN.F.A90555, Fresville (Remy coll.); M, N, Flexopteron constantinense n. sp.: M, paratype, MNHN.F.A77761 (MNHN coll.), Carentan-les-Marais (Cauvin), France, Priabonian; N, holotype, MNHN.F.A77760 (MNHN coll.), Carentan-les-Marais (Cauvin). Scale bars: A-D, I-L, 10 mm; E-H, N, 5 mm; M, 3 mm. Credits: A, B, D-F, N, P. Loubry (MNHN/ CNRS); C, E. Robert (UCBL)." figureDoi="http://doi.org/10.5281/zenodo.13985831" httpUri="https://zenodo.org/record/13985831/files/figure.png" pageId="36" pageNumber="529">27M</figureCitation>
)
</materialsCitation>
<materialsCitation id="3B4F3C91FFC2E422FF2CF9CFFD6DF982" ID-GBIF-Occurrence="4958671380" box="[148,748,1561,1585]" country="France" location="France" pageId="36" pageNumber="529" specimenCount="1" typeStatus="paratype">
10 spm (juveniles); idem;
<collectionCode id="ED36AE09FFC2E422FE2BF9CCFE69F982" box="[403,488,1562,1585]" country="France" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34988" lsid="urn:lsid:biocol.org:col:34988" name="Museum National d'Histoire Naturelle" pageId="36" pageNumber="529">MNHN</collectionCode>
.F.A90551 (
<collectionCode id="ED36AE09FFC2E422FDE1F9CFFD2CF982" box="[601,685,1561,1585]" country="France" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34988" lsid="urn:lsid:biocol.org:col:34988" name="Museum National d'Histoire Naturelle" pageId="36" pageNumber="529">MNHN</collectionCode>
coll.).
</materialsCitation>
</paragraph>
</subSubSection>
<subSubSection id="C33D6547FFC2E422FF3CF99FFE4DF925" pageId="36" pageNumber="529" type="etymology">
<paragraph id="8B9836CCFFC2E422FF3CF99FFE4DF925" blockId="36.[131,775,1609,1686]" pageId="36" pageNumber="529">
<smallCapsWord id="8D7EA010FFC2E422FF3CF99FFF7FF9EC" baselines="1626,1627" box="[132,254,1609,1632]" lowerCaseFontSize="7" mainFontSize="10" normCase="title" normString="Etymology" pageId="36" pageNumber="529">ETYMOLOGY</smallCapsWord>
. — From the Latin adjective
<emphasis id="B953EADEFFC2E422FDADF99FFD11F9D3" box="[533,656,1609,1632]" italics="true" pageId="36" pageNumber="529">Constantinus</emphasis>
in reference to the
<typeStatus id="549C886EFFC2E422FF7DF9B2FF6EF9CF" box="[197,239,1636,1660]" pageId="36" pageNumber="529">type</typeStatus>
region of the species (
<emphasis id="B953EADEFFC2E422FE69F9B2FDFEF9C8" box="[465,639,1636,1659]" italics="true" pageId="36" pageNumber="529">pagus constantinus</emphasis>
of the GalloRoman), the Cotentin (Manche).
</paragraph>
</subSubSection>
<subSubSection id="C33D6547FFC2E422FF3CF978FE09F8F7" pageId="36" pageNumber="529" type="materials_examined">
<paragraph id="8B9836CCFFC2E422FF3CF978FEA9F949" blockId="36.[132,775,1709,1786]" pageId="36" pageNumber="529">
<smallCapsWord id="8D7EA010FFC2E422FF3CF978FF39F970" baselines="1727,1727" box="[132,184,1710,1733]" lowerCaseFontSize="7" mainFontSize="10" normCase="title" normString="Type" pageId="36" pageNumber="529">TYPE</smallCapsWord>
<smallCapsWord id="8D7EA010FFC2E422FF78F965FE9EF977" baselines="1728" box="[192,287,1715,1732]" lowerCaseFontSize="7" mainFontSize="10" normCase="lower" normString="horizon" pageId="36" pageNumber="529">HORIZON</smallCapsWord>
. — Argiles à Corbules Formation, late Eocene (Priabonian), stratigraphic data given by
<bibRefCitation id="EFB64B3DFFC2E422FDB5F91EFD24F953" author="CAVELIER C." box="[525,677,1736,1760]" pageId="36" pageNumber="529" pagination="1 - 280" refId="ref43197" refString="CAVELIER C. 1979. - La limite eocene-oligocene en Europe occidentale. Sciences Geologiques (Institut de Geologie de Strasbourg), Memoire 54: 1 - 280. https: // www. persee. fr / doc / sgeol _ 0302 - 2684 _ 1979 _ mon _ 54 _ 1" type="journal article" year="1979">Cavelier (1979)</bibRefCitation>
and
<bibRefCitation id="EFB64B3DFFC2E422FD6DF91EFEA3F949" author="CHATEAUNEUF J. - J." pageId="36" pageNumber="529" pagination="1 - 350" refId="ref43345" refString="CHATEAUNEUF J. - J. 1980. - Palynostratigraphie et paleoclimatologie de l'Eocene superieur et de l'Oligocene du bassin de Paris. Memoires du BRGM 116: 1 - 350." type="journal article" year="1980">Chateauneuf (1980)</bibRefCitation>
.
</paragraph>
<paragraph id="8B9836CCFFC2E422FF3CF8C4FE09F8F7" blockId="36.[132,775,1810,1860]" pageId="36" pageNumber="529">
<smallCapsWord id="8D7EA010FFC2E422FF3CF8C4FF34F89B" baselines="1827,1828" box="[132,181,1810,1833]" lowerCaseFontSize="7" mainFontSize="10" normCase="title" normString="Type" pageId="36" pageNumber="529">TYPE</smallCapsWord>
<smallCapsWord id="8D7EA010FFC2E422FF04F8C1FE96F89B" baselines="1828" box="[188,279,1815,1832]" lowerCaseFontSize="7" mainFontSize="10" normCase="lower" normString="locality" pageId="36" pageNumber="529">LOCALITY</smallCapsWord>
. —
<collectingCountry id="F330765CFFC2E422FEFCF8C4FE09F89A" box="[324,392,1810,1833]" name="France" pageId="36" pageNumber="529">France</collectingCountry>
,
<collectingRegion id="49E3F82EFFC2E422FE2AF8C4FE7FF899" box="[402,510,1810,1834]" country="France" name="Haute-Normandie" pageId="36" pageNumber="529">Normandy</collectingRegion>
, Manche, Rauville-la-Place (Cauvin),
<bibRefCitation id="EFB64B3DFFC2E422FF51F8FAFE03F8F7" author="CAVELIER C." box="[233,386,1836,1860]" pageId="36" pageNumber="529" pagination="1 - 280" refId="ref43197" refString="CAVELIER C. 1979. - La limite eocene-oligocene en Europe occidentale. Sciences Geologiques (Institut de Geologie de Strasbourg), Memoire 54: 1 - 280. https: // www. persee. fr / doc / sgeol _ 0302 - 2684 _ 1979 _ mon _ 54 _ 1" type="journal article" year="1979">Cavelier (1979)</bibRefCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="C33D6547FFC2E422FF3CF88AFC84F8C7" box="[132,773,1884,1908]" pageId="36" pageNumber="529" type="distribution">
<paragraph id="8B9836CCFFC2E422FF3CF88AFC84F8C7" blockId="36.[132,773,1884,1908]" box="[132,773,1884,1908]" pageId="36" pageNumber="529">
<smallCapsWord id="8D7EA010FFC2E422FF3CF88AFE93F8C1" baselines="1901,1902" box="[132,274,1884,1907]" lowerCaseFontSize="7" mainFontSize="10" normCase="title" normString="Distribution" pageId="36" pageNumber="529">DISTRIBUTION</smallCapsWord>
. —
<collectingRegion id="49E3F82EFFC2E422FE86F88AFE28F8C7" box="[318,425,1884,1908]" country="France" name="Haute-Normandie" pageId="36" pageNumber="529">Normandy</collectingRegion>
(
<collectingCountry id="F330765CFFC2E422FE0EF88AFE7DF8C7" box="[438,508,1884,1908]" name="France" pageId="36" pageNumber="529">France</collectingCountry>
), late Eocene (Priabonian).
</paragraph>
</subSubSection>
<subSubSection id="C33D6547FFC2E423FF3CF844FEAEFE63" lastPageId="37" lastPageNumber="530" pageId="36" pageNumber="529" type="description">
<paragraph id="8B9836CCFFC2E422FF3CF844FE94F819" blockId="36.[132,777,1938,2028]" box="[132,277,1938,1964]" pageId="36" pageNumber="529">
<smallCapsWord id="8D7EA010FFC2E422FF3CF844FE94F819" baselines="1957,1957" box="[132,277,1938,1964]" lowerCaseFontSize="8" mainFontSize="11" normCase="title" normString="Description" pageId="36" pageNumber="529">DESCRIPTION</smallCapsWord>
</paragraph>
<paragraph id="8B9836CCFFC2E422FF3CF867FC6DF8BF" blockId="36.[132,777,1938,2028]" lastBlockId="36.[811,1458,1459,1804]" pageId="36" pageNumber="529">
Smooth, paucispiral protoconch of 1.5 whorls. Teleoconch probably biconic (spire broken in most adult specimen), last whorl (
<typeStatus id="549C886EFFC2E422FCCEFA65FC56FA7E" box="[886,983,1459,1485]" pageId="36" pageNumber="529" type="holotype">holotype</typeStatus>
) up to
<quantity id="4CDF9B29FFC2E422FB98FA65FBDEFA7E" box="[1056,1119,1459,1485]" metricMagnitude="-3" metricUnit="m" metricValue="9.0" pageId="36" pageNumber="529" unit="mm" value="9.0">9 mm</quantity>
in height, up to
<quantity id="4CDF9B29FFC2E422FAB3FA65FACBFA7E" box="[1291,1354,1459,1485]" metricMagnitude="-3" metricUnit="m" metricValue="7.0" pageId="36" pageNumber="529" unit="mm" value="7.0">7 mm</quantity>
in width. Moderately high spire in juveniles. Rounded to subcarinate whorls. First whorl to fourth whorl: no cord. Fifth whorl: weak P1 to P5. P1 spine poorly developed. Axial sculpture with five sublamellose varices on first whorl, seven on second whorl, eight on third and fourth whorls. Ten varices on
<typeStatus id="549C886EFFC2E422FC94F9A4FC0FF93F" box="[812,910,1650,1676]" pageId="36" pageNumber="529" type="holotype">holotype</typeStatus>
. Ovate aperture, siphonal canal short. Columellar lip smooth, adherent posteriorly. No anal sulcus, no parietal callus. Outer lip with denticles D1, D2 and D3. Shoulder sinus of P1 spine shallow. Pseudo-umbilicus narrow. Siphonal canal short, open.
</paragraph>
<paragraph id="8B9836CCFFC2E422FC95F8E4FC46F8F9" blockId="36.[811,1457,1842,2028]" box="[813,967,1842,1868]" pageId="36" pageNumber="529">
<smallCapsWord id="8D7EA010FFC2E422FC95F8E4FC46F8F9" baselines="1861,1861" box="[813,967,1842,1868]" lowerCaseFontSize="8" mainFontSize="11" normCase="title" normString="Comparisons" pageId="36" pageNumber="529">COMPARISONS</smallCapsWord>
</paragraph>
<paragraph id="8B9836CCFFC2E423FC95F887FEAEFE63" blockId="36.[811,1457,1842,2028]" lastBlockId="37.[130,775,215,464]" lastPageId="37" lastPageNumber="530" pageId="36" pageNumber="529">
Although the material is composed of juvenile specimens (
<typeStatus id="549C886EFFC2E422FC8EF8A7FC1EF838" box="[822,927,1905,1931]" pageId="36" pageNumber="529" type="paratype">paratypes</typeStatus>
) and a last whorl of an adult specimen (
<typeStatus id="549C886EFFC2E422FAF9F8A7FA24F838" box="[1345,1445,1905,1931]" pageId="36" pageNumber="529" type="holotype">holotype</typeStatus>
), it differs clearly from all Bartonian and Priabonian species from Northern Europe. The early whorls of
<taxonomicName id="4C274D4FFFC2E422FA8BF867FBB9F858" authority="(Wrigley, 1930)" baseAuthorityName="Wrigley" baseAuthorityYear="1930" class="Gastropoda" family="Muricidae" genus="Flexopteron" kingdom="Animalia" order="Neogastropoda" pageId="36" pageNumber="529" phylum="Mollusca" rank="species" species="albionis">
<emphasis id="B953EADEFFC2E422FA8BF867FC01F858" italics="true" pageId="36" pageNumber="529">Flexopteron albionis</emphasis>
(
<bibRefCitation id="EFB64B3DFFC2E422FC28F807FBB1F858" author="WRIGLEY A." box="[912,1072,2001,2027]" pageId="36" pageNumber="529" pagination="91 - 115" refId="ref49157" refString="WRIGLEY A. 1930. - Notes on English Eocene and Oligocene Mollusca with descriptions of new species. IV - The Muricidae. Proceedings of the Malacological Society of London 19: 91 - 115." type="journal article" year="1930">Wrigley, 1930</bibRefCitation>
)
</taxonomicName>
from Barton beds,
<taxonomicName id="4C274D4FFFC2E423FAA1F804FEAEFF42" authority="(Wrigley, 1930)" baseAuthorityName="Wrigley" baseAuthorityYear="1930" class="Gastropoda" family="Muricidae" genus="Flexopteron" kingdom="Animalia" lastPageId="37" lastPageNumber="530" order="Neogastropoda" pageId="36" pageNumber="529" phylum="Mollusca" rank="species" species="subplicatilis">
<emphasis id="B953EADEFFC2E422FAA1F804FA2EF858" box="[1305,1455,2001,2027]" italics="true" pageId="36" pageNumber="529">F. subplicatilis</emphasis>
(
<bibRefCitation id="EFB64B3DFFC3E423FF33FF01FEA6FF42" author="WRIGLEY A." box="[139,295,215,241]" pageId="37" pageNumber="530" pagination="91 - 115" refId="ref49157" refString="WRIGLEY A. 1930. - Notes on English Eocene and Oligocene Mollusca with descriptions of new species. IV - The Muricidae. Proceedings of the Malacological Society of London 19: 91 - 115." type="journal article" year="1930">Wrigley, 1930</bibRefCitation>
)
</taxonomicName>
from the Bartonian of Southampton Dock and
<taxonomicName id="4C274D4FFFC3E423FF0DFF2EFD8AFEA1" authority="(Deshayes, 1835)" baseAuthorityName="Deshayes" baseAuthorityYear="1835" box="[181,523,247,274]" class="Gastropoda" family="Muricidae" genus="Flexopteron" kingdom="Animalia" order="Neogastropoda" pageId="37" pageNumber="530" phylum="Mollusca" rank="species" species="spinulosum">
<emphasis id="B953EADEFFC3E423FF0DFF2EFEC5FEA2" box="[181,324,247,273]" italics="true" pageId="37" pageNumber="530">F. spinulosum</emphasis>
(
<bibRefCitation id="EFB64B3DFFC3E423FEECFF21FD82FEA1" author="DESHAYES G. - P." box="[340,515,247,274]" pageId="37" pageNumber="530" pagination="79 - 106" refId="ref43930" refString="DESHAYES G. - P. 1835. - Description des coquilles fossiles des environs de Paris. Tome 2. Livraisons 40 - 45, l'auteur, Bechet Jeune, Baudouin freres, Treuttel &amp; Wurtz, Paris: 499 - 780; Atlas 2, Levrault, Paris: pl. 79 - 106. https: // doi. org / 10.5962 / bhl. title. 52303" type="book chapter" year="1835">Deshayes, 1835</bibRefCitation>
)
</taxonomicName>
from the Bartonian of the Paris Basin differ from those of
<taxonomicName id="4C274D4FFFC3E423FE43FECEFD27FE82" authorityName="Merle &amp; Pacaud &amp; Ledon &amp; Goret" authorityYear="2024" box="[507,678,280,305]" class="Gastropoda" family="Muricidae" genus="Flexopteron" kingdom="Animalia" order="Neogastropoda" pageId="37" pageNumber="530" phylum="Mollusca" rank="species" species="constantinense" status="n. sp.">
<emphasis id="B953EADEFFC3E423FE43FECEFD27FE82" box="[507,678,280,305]" italics="true" pageId="37" pageNumber="530">F. constantinense</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A26057A5FFC3E423FD14FECEFD67FE81" box="[684,742,280,306]" pageId="37" pageNumber="530" rank="species">n. sp.</taxonomicNameLabel>
by having a more ornamented spiral sculpture with well developed P1 to P3.
<taxonomicName id="4C274D4FFFC3E423FE9BFE81FD3CFEC2" authority="(von Koenen, 1889)" baseAuthorityName="von Koenen" baseAuthorityYear="1889" box="[291,701,343,369]" class="Gastropoda" family="Muricidae" genus="Flexopteron" kingdom="Animalia" order="Neogastropoda" pageId="37" pageNumber="530" phylum="Mollusca" rank="species" species="elatior">
<emphasis id="B953EADEFFC3E423FE9BFE81FE61FEC2" box="[291,480,343,369]" italics="true" pageId="37" pageNumber="530">Flexopteron elatior</emphasis>
(
<bibRefCitation id="EFB64B3DFFC3E423FE55FE81FD34FEC2" author="VON KOENEN A." box="[493,693,343,369]" pageId="37" pageNumber="530" pagination="1 - 280" refId="ref49077" refString="VON KOENEN A. 1889. - Das Norddeutsche Unter-Oligocan und seine Mollusken-Fauna. Abhandlungen zur geologischen Specialkarte von Preussen und den Thuringischen Staaten 10 (1): 1 - 280." type="journal article" year="1889">von Koenen, 1889</bibRefCitation>
)
</taxonomicName>
, found in the Bartonian of the Paris Basin and in the Priabonian of Lattorf (
<collectingCountry id="F330765CFFC3E423FF59FE41FECAFE02" box="[225,331,407,433]" name="Germany" pageId="37" pageNumber="530">Germany</collectingCountry>
) is another species bearing strong spiral ornamentation.
</paragraph>
</subSubSection>
</treatment>
</document>