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<document id="4718C392E2E814A99687F2711B205557" ID-CLB-Dataset="105313" ID-DOI="10.5852/ejt.2022.831.1871" ID-GBIF-Dataset="e697ba5c-5a96-4a28-985c-748890333d6c" ID-ISSN="2118-9773" ID-Zenodo-Dep="6885198" ID-ZooBank="EAA2EAE2-DA8B-4516-B332-CB8423B8EEAA" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1658507519427" checkinUser="felipe" docAuthor="Korn, Dieter &amp; Bockwinkel, Jürgen" docDate="2022" docId="9327592FF42F1955FD7D1D20FD8854C5" docLanguage="en" docName="ejt-831_67-108.pdf" docOrigin="European Journal of Taxonomy 831" docSource="http://dx.doi.org/10.5852/ejt.2022.831.1871" docStyle="DocumentStyle:EF2B578F1D15862ADE45B0C07C620911.14:EJT.2018-.journal_article.type1" docStyleId="EF2B578F1D15862ADE45B0C07C620911" docStyleName="EJT.2018-.journal_article.type1" docStyleVersion="14" docTitle="Rineceras tenerum Korn &amp; Bockwinkel 2022, sp. nov." docType="treatment" docUuid="94410544-F569-471D-A008-97466EB83BBF" docUuidSource="ZooBank" docVersion="8" lastPageNumber="74" masterDocId="6F1E2157F42A1952FFE11E6BFF97516E" masterDocTitle="Early Carboniferous nautiloids from the Central Sahara, southern Algeria" masterLastPageNumber="108" masterPageNumber="67" pageNumber="72" updateTime="1699361693651" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0" zenodo-license-figures="CC-BY-4.0" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="96CB35B8C7F119FEECEBCAB0CBE3DD59">Early Carboniferous nautiloids from the Central Sahara, southern Algeria</mods:title>
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<mods:namePart id="9B6CEB4095BCDF4553E202D244315CB1">Korn, Dieter</mods:namePart>
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<mods:affiliation id="29E1108A1A78C5DE79A1E376F27DC3A4">Museum für Naturkunde, Leibniz Institut for Research on Evolution and Biodiversity, Invalidenstrasse 43, 10115 Berlin, Germany.</mods:affiliation>
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<mods:date id="015A67DB49FCD934C2464FD7A19F3F76">2022</mods:date>
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<treatment id="9327592FF42F1955FD7D1D20FD8854C5" ID-DOI="http://doi.org/10.5281/zenodo.6903221" ID-GBIF-Taxon="197852066" ID-Zenodo-Dep="6903221" LSID="urn:lsid:zoobank.org:act:94410544-F569-471D-A008-97466EB83BBF" httpUri="http://treatment.plazi.org/id/9327592FF42F1955FD7D1D20FD8854C5" lastPageId="7" lastPageNumber="74" pageId="5" pageNumber="72">
<subSubSection id="5394BBB2F42F1957FD7D1D20FC745208" box="[668,995,843,870]" pageId="5" pageNumber="72" type="nomenclature">
<paragraph id="1B31E839F42F1957FD7D1D20FC745208" blockId="5.[413,1250,843,941]" box="[668,995,843,870]" pageId="5" pageNumber="72">
<heading id="40795F55F42F1957FD7D1D20FC745208" box="[668,995,843,870]" centered="true" fontSize="11" level="2" pageId="5" pageNumber="72" reason="2">
<taxonomicName id="DC8E93BAF42F1957FD7D1D20FC16520B" authority="Korn &amp; Bockwinkel, 2022" authorityName="Korn &amp; Bockwinkel" authorityYear="2022" box="[668,897,843,869]" class="Cephalopoda" family="Trigonoceratidae" genus="Rineceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Nautilida" pageId="5" pageNumber="72" phylum="Mollusca" rank="species" species="tenerum" status="sp. nov.">
<emphasis id="29FA342BF42F1957FD7D1D20FC16520B" bold="true" box="[668,897,843,869]" italics="true" pageId="5" pageNumber="72">Rineceras tenerum</emphasis>
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<taxonomicNameLabel id="32C98950F42F1957FC681D27FC745208" box="[905,995,844,870]" pageId="5" pageNumber="72" rank="species">sp. nov.</taxonomicNameLabel>
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urn:lsid:zoobank.org:act:
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</paragraph>
<paragraph id="1B31E839F42F1957FD3B1DF9FC3252C2" blockId="5.[413,1250,843,941]" box="[730,933,914,941]" pageId="5" pageNumber="72">
<figureCitation id="83B5F4BCF42F1957FD3B1DF9FCD452C3" box="[730,835,914,941]" captionStart-0="Fig" captionStart-1="Fig" captionStartId-0="6.[227,270,1962,1988]" captionStartId-1="7.[227,270,1926,1952]" captionTargetBox-0="[315,1340,306,1915]" captionTargetBox-1="[227,1436,1486,1894]" captionTargetId-0="figure-52@6.[307,1355,302,1926]" captionTargetId-1="figure-359@7.[227,1436,1486,1894]" captionTargetPageId-0="6" captionTargetPageId-1="7" captionText-0="Fig. 4. Rineceras tenerum sp. nov. from Oued Temertasset (all Korn et al. 2002 Coll.). A. Holotype MB.C.30440.1 (larger segment). B. Holotype MB.C.30440.1 (smaller segment). C. Paratype MB.C.30441. Scale bar units =1 mm." captionText-1="Fig. 5. Rineceras tenerum sp. nov., holotype MB.C.30440.1 (Korn et al. 2002 Coll.) from Oued Temertasset. A. Whorl profile of the larger segment. B. Suture line, at ww =19.7 mm, wh= 13.7 mm. C. Whorl profile of the smaller segment. D. Suture line, at dm =26.3 mm, ww =11.3 mm, wh=8.0 mm. Scale bar units =1 mm." figureDoi-0="http://doi.org/10.5281/zenodo.6902589" figureDoi-1="http://doi.org/10.5281/zenodo.6902593" httpUri-0="https://zenodo.org/record/6902589/files/figure.png" httpUri-1="https://zenodo.org/record/6902593/files/figure.png" pageId="5" pageNumber="72">Figs 45</figureCitation>
,
<tableCitation id="560CDD82F42F1957FCAF1DF9FC3252C2" box="[846,933,914,940]" captionStart="Table 1" captionStartId="7.[227,296,303,329]" captionTargetBox="[235,1417,375,594]" captionTargetPageId="7" captionText="Table 1. Conch dimensions (in mm) and ratios of Rineceras tenerum sp. nov." httpUri="http://table.plazi.org/id/4FF1B8B1F42D1955FF021F44FBFA5027" pageId="5" pageNumber="72" tableUuid="4FF1B8B1F42D1955FF021F44FBFA5027">Table 1</tableCitation>
</paragraph>
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<subSubSection id="5394BBB2F42F1957FF021DBFFD3F550B" pageId="5" pageNumber="72" type="diagnosis">
<paragraph id="1B31E839F42F1957FF021DBFFECB5280" blockId="5.[227,348,980,1006]" box="[227,348,980,1006]" pageId="5" pageNumber="72">
<heading id="40795F55F42F1957FF021DBFFECB5280" bold="true" box="[227,348,980,1006]" fontSize="11" level="3" pageId="5" pageNumber="72" reason="3">
<emphasis id="29FA342BF42F1957FF021DBFFECB5280" bold="true" box="[227,348,980,1006]" pageId="5" pageNumber="72">Diagnosis</emphasis>
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Species of
<taxonomicName id="DC8E93BAF42F1957FE821A6FFE4F5573" authorityName="Hyatt" authorityYear="1893" box="[355,472,1028,1053]" class="Cephalopoda" family="Trigonoceratidae" genus="Rineceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Nautilida" pageId="5" pageNumber="72" phylum="Mollusca" rank="genus">
<emphasis id="29FA342BF42F1957FE821A6FFE4F5573" box="[355,472,1028,1053]" italics="true" pageId="5" pageNumber="72">Rineceras</emphasis>
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with weakly depressed, rounded-trapezoidal whorl profile (ww/wh ~1.45), venter slightly flattened, ventrolateral shoulder broadly rounded. Whorls not embracing. Ornament with a few spiral lines on the flank and the venter.
</paragraph>
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<subSubSection id="5394BBB2F42F1957FF021AE7FAF955BB" box="[227,1390,1164,1238]" pageId="5" pageNumber="72" type="etymology">
<paragraph id="1B31E839F42F1957FF021AE7FEFD55C8" blockId="5.[227,362,1164,1190]" box="[227,362,1164,1190]" pageId="5" pageNumber="72">
<heading id="40795F55F42F1957FF021AE7FEFD55C8" bold="true" box="[227,362,1164,1190]" fontSize="11" level="3" pageId="5" pageNumber="72" reason="3">
<emphasis id="29FA342BF42F1957FF021AE7FEFD55C8" bold="true" box="[227,362,1164,1190]" pageId="5" pageNumber="72">Etymology</emphasis>
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From the Latin
<taxonomicName id="DC8E93BAF42F1957FE451AD7FD9355BB" authorityName="Korn &amp; Bockwinkel" authorityYear="2022" box="[420,516,1212,1237]" class="Cephalopoda" family="Trigonoceratidae" genus="Rineceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Nautilida" pageId="5" pageNumber="72" phylum="Mollusca" rank="species" species="tenerum">
<emphasis id="29FA342BF42F1957FE451AD7FD9355BB" box="[420,516,1212,1237]" italics="true" pageId="5" pageNumber="72">tenerum</emphasis>
</taxonomicName>
, meaning tender and referring to the comparatively delicate spiral lines.
</paragraph>
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<subSubSection id="5394BBB2F42F1957FF021A96FDCF57A6" pageId="5" pageNumber="72" type="materials_examined">
<paragraph id="1B31E839F42F1957FF021A96FE065479" blockId="5.[227,401,1277,1303]" box="[227,401,1277,1303]" pageId="5" pageNumber="72">
<heading id="40795F55F42F1957FF021A96FE065479" bold="true" box="[227,401,1277,1303]" fontSize="11" level="3" pageId="5" pageNumber="72" reason="3">
<emphasis id="29FA342BF42F1957FF021A96FE065479" bold="true" box="[227,401,1277,1303]" pageId="5" pageNumber="72">Type material</emphasis>
</heading>
</paragraph>
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<materialsCitation id="ABE6E264F42F1957FEF11B47FDB254DF" ID-GBIF-Occurrence="3865861308" collectionCode="MB" collectorName="Korn et al." country="Algeria" county="Upper Pericyclus-Progoniatites Assemblage" location="Mouydir" municipality="Argiles de Teguentour" pageId="5" pageNumber="72" specimenCode="MB.C.30440.1" specimenCount="1" typeStatus="holotype">
<emphasis id="29FA342BF42F1957FEF11B47FE155428" bold="true" box="[272,386,1324,1350]" pageId="5" pageNumber="72">
<typeStatus id="C435569BF42F1957FEF11B47FE155428" box="[272,386,1324,1350]" pageId="5" pageNumber="72" type="holotype">Holotype</typeStatus>
</emphasis>
<collectingCountry id="6399A8A9F42F1957FF021B24FEF35407" box="[227,356,1359,1385]" name="Algeria" pageId="5" pageNumber="72">ALGERIA</collectingCountry>
<location id="1E51BEE2F42F1957FE631B24FE7C5407" LSID="urn:lsid:plazi:treatment:9327592FF42F1955FD7D1D20FD8854C5:1E51BEE2F42F1957FE631B24FE7C5407" box="[386,491,1359,1385]" country="Algeria" county="Upper Pericyclus-Progoniatites Assemblage" municipality="Argiles de Teguentour" name="Mouydir" pageId="5" pageNumber="72">Mouydir</location>
,
<locationDeviation id="0A83F11BF42F1957FE1B1B24FBB35407" box="[506,1060,1359,1386]" pageId="5" pageNumber="72">south of Oued Temertasset (locality MOU-Z)</locationDeviation>
;
<location id="1E51BEE2F42F1957FBD31B24FAA95404" LSID="urn:lsid:plazi:treatment:9327592FF42F1955FD7D1D20FD8854C5:1E51BEE2F42F1957FBD31B24FAA95404" box="[1074,1342,1359,1386]" country="Algeria" county="Upper Pericyclus-Progoniatites Assemblage" municipality="Argiles de Teguentour" name="Argiles de Teguentour" pageId="5" pageNumber="72">Argiles de Teguentour</location>
(
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Upper
<emphasis id="29FA342BF42F1957FF021B18FD9054E3" box="[227,519,1395,1421]" italics="true" pageId="5" pageNumber="72">Pericyclus-Progoniatites</emphasis>
Assemblage; early late Tournaisian
</geologicalTimeScale>
);
<collectorName id="B67B8DEFF42F1957FC3B1B18FBF554E3" box="[986,1122,1395,1421]" pageId="5" pageNumber="72">
Korn
<emphasis id="29FA342BF42F1957FBC21B1FFBCC54E3" box="[1059,1115,1395,1421]" italics="true" pageId="5" pageNumber="72">et al</emphasis>
.
</collectorName>
2002 Coll.; illustrated in
<figureCitation id="83B5F4BCF42F1957FF021BFDFEF554DF" box="[227,354,1430,1457]" captionStart="Fig" captionStartId="6.[227,270,1962,1988]" captionTargetBox="[315,1340,306,1915]" captionTargetId="figure-52@6.[307,1355,302,1926]" captionTargetPageId="6" captionText="Fig. 4. Rineceras tenerum sp. nov. from Oued Temertasset (all Korn et al. 2002 Coll.). A. Holotype MB.C.30440.1 (larger segment). B. Holotype MB.C.30440.1 (smaller segment). C. Paratype MB.C.30441. Scale bar units =1 mm." figureDoi="http://doi.org/10.5281/zenodo.6902589" httpUri="https://zenodo.org/record/6902589/files/figure.png" pageId="5" pageNumber="72">Fig. 4AB</figureCitation>
;
<specimenCode id="4B284042F42F1957FE8F1BFCFDB654DF" box="[366,545,1431,1457]" pageId="5" pageNumber="72">MB.C.30440.1</specimenCode>
.
</materialsCitation>
</paragraph>
<paragraph id="1B31E839F42F1957FEF11BB3FDCF57A6" blockId="5.[224,1437,1496,1736]" pageId="5" pageNumber="72">
<materialsCitation id="ABE6E264F42F1957FEF11BB3FE4A5733" ID-GBIF-Occurrence="3865861328" collectionCode="MB" collectorName="Korn et al." country="Algeria" county="Upper Pericyclus-Progoniatites Assemblage" location="Mouydir" municipality="Argiles de Teguentour" pageId="5" pageNumber="72" specimenCode="MB.C.30441" specimenCount="1" typeStatus="paratype">
<emphasis id="29FA342BF42F1957FEF11BB3FE1A549C" bold="true" box="[272,397,1496,1522]" pageId="5" pageNumber="72">
<typeStatus id="C435569BF42F1957FEF11BB3FE1A549C" box="[272,397,1496,1522]" pageId="5" pageNumber="72" type="paratype">Paratypes</typeStatus>
</emphasis>
<collectingCountry id="6399A8A9F42F1957FF021B97FEF35778" box="[227,356,1532,1558]" name="Algeria" pageId="5" pageNumber="72">ALGERIA</collectingCountry>
<specimenCount id="0D8823B0F42F1957FE951B97FE6D5778" box="[372,506,1532,1558]" pageId="5" pageNumber="72" type="generic">1 specimen</specimenCount>
;
<location id="1E51BEE2F42F1957FDE31B97FDFC5778" LSID="urn:lsid:plazi:treatment:9327592FF42F1955FD7D1D20FD8854C5:1E51BEE2F42F1957FDE31B97FDFC5778" box="[514,619,1532,1558]" country="Algeria" county="Upper Pericyclus-Progoniatites Assemblage" municipality="Argiles de Teguentour" name="Mouydir" pageId="5" pageNumber="72">Mouydir</location>
,
<locationDeviation id="0A83F11BF42F1957FD921B97FB005778" box="[627,1175,1532,1558]" pageId="5" pageNumber="72">south of Oued Temertasset (locality MOU-E07)</locationDeviation>
;
<location id="1E51BEE2F42F1957FB7F1B97FA0B5778" LSID="urn:lsid:plazi:treatment:9327592FF42F1955FD7D1D20FD8854C5:1E51BEE2F42F1957FB7F1B97FA0B5778" box="[1182,1436,1532,1558]" country="Algeria" county="Upper Pericyclus-Progoniatites Assemblage" municipality="Argiles de Teguentour" name="Argiles de Teguentour" pageId="5" pageNumber="72">Argiles de Teguentour</location>
(
<geologicalTimeScale id="69AE6892F42F1957FF06184BFC6D5757" box="[231,1018,1567,1594]" pageId="5" pageNumber="72">
Upper
<emphasis id="29FA342BF42F1957FEDB1874FDC95757" box="[314,606,1567,1593]" italics="true" pageId="5" pageNumber="72">Pericyclus-Progoniatites</emphasis>
Assemblage; early late Tournaisian
</geologicalTimeScale>
);
<collectorName id="B67B8DEFF42F1957FBEB184BFB155754" box="[1034,1154,1567,1594]" pageId="5" pageNumber="72">
Korn
<emphasis id="29FA342BF42F1957FBA9184BFBEF5757" box="[1096,1144,1567,1593]" italics="true" pageId="5" pageNumber="72">et al</emphasis>
.
</collectorName>
2002Coll.; illustrated in
<figureCitation id="83B5F4BCF42F1957FF011828FEAE5733" box="[224,313,1603,1629]" captionStart="Fig" captionStartId="6.[227,270,1962,1988]" captionTargetBox="[315,1340,306,1915]" captionTargetId="figure-52@6.[307,1355,302,1926]" captionTargetPageId="6" captionText="Fig. 4. Rineceras tenerum sp. nov. from Oued Temertasset (all Korn et al. 2002 Coll.). A. Holotype MB.C.30440.1 (larger segment). B. Holotype MB.C.30440.1 (smaller segment). C. Paratype MB.C.30441. Scale bar units =1 mm." figureDoi="http://doi.org/10.5281/zenodo.6902589" httpUri="https://zenodo.org/record/6902589/files/figure.png" pageId="5" pageNumber="72">Fig. 4C</figureCitation>
;
<specimenCode id="4B284042F42F1957FEA51828FE4A5733" box="[324,477,1603,1629]" pageId="5" pageNumber="72">MB.C.30441</specimenCode>
</materialsCitation>
<materialsCitation id="ABE6E264F42F1957FE121828FDC457A6" ID-GBIF-Occurrence="3865861314" collectionCode="MB" collectorName="Korn et al." country="Algeria" county="Upper Pericyclus-Progoniatites Assemblage" location="Mouydir" municipality="Argiles de Teguentour" pageId="5" pageNumber="72" specimenCode="MB.C.30440.2, MB.C.30442, MB.C.30443.1-MB.C.30443.2, MB.C.30444.1-MB.C.30444.4" specimenCount="8" typeStatus="paratype">
<specimenCount id="0D8823B0F42F1957FE121828FD125733" box="[499,645,1603,1629]" pageId="5" pageNumber="72" type="generic">8 specimens</specimenCount>
;
<location id="1E51BEE2F42F1957FD6E1828FD6F5733" LSID="urn:lsid:plazi:treatment:9327592FF42F1955FD7D1D20FD8854C5:1E51BEE2F42F1957FD6E1828FD6F5733" box="[655,760,1603,1629]" country="Algeria" county="Upper Pericyclus-Progoniatites Assemblage" municipality="Argiles de Teguentour" name="Mouydir" pageId="5" pageNumber="72">Mouydir</location>
,
<locationDeviation id="0A83F11BF42F1957FCE31828FE7557EF" pageId="5" pageNumber="72">south of Oued Temertasset (localities MOU-Z, MOU-C5, MOU-B1, MOU-D1)</locationDeviation>
;
<location id="1E51BEE2F42F1957FE0E180CFD6F57EF" LSID="urn:lsid:plazi:treatment:9327592FF42F1955FD7D1D20FD8854C5:1E51BEE2F42F1957FE0E180CFD6F57EF" box="[495,760,1639,1665]" country="Algeria" county="Upper Pericyclus-Progoniatites Assemblage" municipality="Argiles de Teguentour" name="Argiles de Teguentour" pageId="5" pageNumber="72">Argiles de Teguentour</location>
(
<geologicalTimeScale id="69AE6892F42F1957FCE8180CFEE257CA" pageId="5" pageNumber="72">
Upper
<emphasis id="29FA342BF42F1957FC82180CFB1057EF" box="[867,1159,1639,1665]" italics="true" pageId="5" pageNumber="72">Pericyclus-Progoniatites</emphasis>
Assemblage; early late Tournaisian
</geologicalTimeScale>
);
<collectorName id="B67B8DEFF42F1957FE6F18E0FD8357CB" box="[398,532,1674,1701]" pageId="5" pageNumber="72">
Korn
<emphasis id="29FA342BF42F1957FE3518E0FD9A57CA" box="[468,525,1674,1700]" italics="true" pageId="5" pageNumber="72">et al</emphasis>
.
</collectorName>
2002 Coll.;
<specimenCode id="4B284042F42F1957FD5618E1FCFD57CA" box="[695,874,1674,1700]" pageId="5" pageNumber="72">MB.C.30440.2</specimenCode>
,
<specimenCode id="4B284042F42F1957FC9A18E1FB8157CA" box="[891,1046,1674,1700]" pageId="5" pageNumber="72">MB.C.30442</specimenCode>
,
<specimenCode id="4B284042F42F1957FBC918E1FA0F57CA" box="[1064,1432,1674,1700]" pageId="5" pageNumber="72">MB.C.30443.1MB.C.30443.2</specimenCode>
,
<specimenCode id="4B284042F42F1957FF0218C5FDC457A6" box="[227,595,1710,1736]" pageId="5" pageNumber="72">MB.C.30444.1MB.C.30444.4</specimenCode>
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="5394BBB2F42F1955FF021884FE615524" lastPageId="7" lastPageNumber="74" pageId="5" pageNumber="72" type="description">
<paragraph id="1B31E839F42F1957FF021884FEE35667" blockId="5.[227,372,1775,1801]" box="[227,372,1775,1801]" pageId="5" pageNumber="72">
<heading id="40795F55F42F1957FF021884FEE35667" bold="true" box="[227,372,1775,1801]" fontSize="11" level="3" pageId="5" pageNumber="72" reason="3">
<emphasis id="29FA342BF42F1957FF021884FEE35667" bold="true" box="[227,372,1775,1801]" pageId="5" pageNumber="72">Description</emphasis>
</heading>
</paragraph>
<paragraph id="1B31E839F42F1957FF021974FC265961" blockId="5.[226,1439,1823,2063]" pageId="5" pageNumber="72">
<typeStatus id="C435569BF42F1957FF021974FEC75657" box="[227,336,1823,1849]" pageId="5" pageNumber="72" type="holotype">Holotype</typeStatus>
MB.C.30440.1 is a haematitic internal mould consisting of two fully chambered segments; however, some chambers between the two segments are missing (
<figureCitation id="83B5F4BCF42F1957FBE61929FB1C5632" box="[1031,1163,1858,1884]" captionStart="Fig" captionStartId="6.[227,270,1962,1988]" captionTargetBox="[315,1340,306,1915]" captionTargetId="figure-52@6.[307,1355,302,1926]" captionTargetPageId="6" captionText="Fig. 4. Rineceras tenerum sp. nov. from Oued Temertasset (all Korn et al. 2002 Coll.). A. Holotype MB.C.30440.1 (larger segment). B. Holotype MB.C.30440.1 (smaller segment). C. Paratype MB.C.30441. Scale bar units =1 mm." figureDoi="http://doi.org/10.5281/zenodo.6902589" httpUri="https://zenodo.org/record/6902589/files/figure.png" pageId="5" pageNumber="72">Fig. 4AB</figureCitation>
). The total diameter is about
<quantity id="DC7645DCF42F1957FECA190DFE1756EE" box="[299,384,1894,1920]" metricMagnitude="-2" metricUnit="m" metricValue="4.9" pageId="5" pageNumber="72" unit="mm" value="49.0">49 mm</quantity>
. At this diameter, the whorl profile is rounded-triangular with a somewhat flattened venter and continuously rounded dorsum. There is no overlap upon the previous whorl (
<figureCitation id="83B5F4BCF42F1957FB7119E2FB7956CA" box="[1168,1262,1929,1956]" captionStart="Fig" captionStartId="7.[227,270,1926,1952]" captionTargetBox="[227,1436,1486,1894]" captionTargetId="figure-359@7.[227,1436,1486,1894]" captionTargetPageId="7" captionText="Fig. 5. Rineceras tenerum sp. nov., holotype MB.C.30440.1 (Korn et al. 2002 Coll.) from Oued Temertasset. A. Whorl profile of the larger segment. B. Suture line, at ww =19.7 mm, wh= 13.7 mm. C. Whorl profile of the smaller segment. D. Suture line, at dm =26.3 mm, ww =11.3 mm, wh=8.0 mm. Scale bar units =1 mm." figureDoi="http://doi.org/10.5281/zenodo.6902593" httpUri="https://zenodo.org/record/6902593/files/figure.png" pageId="5" pageNumber="72">Fig. 5A</figureCitation>
). On the flanks and the outer part of the venter, there are twelve spiral lines on each side. The suture line shows a low amplitude; there is a wide, shallow external lobe and a low, tightly rounded ventrolateral saddle. On the flanks and dorsum the suture line is almost straight (
<figureCitation id="83B5F4BCF42F1957FCA6199FFC345961" box="[839,931,2036,2063]" captionStart="Fig" captionStartId="7.[227,270,1926,1952]" captionTargetBox="[227,1436,1486,1894]" captionTargetId="figure-359@7.[227,1436,1486,1894]" captionTargetPageId="7" captionText="Fig. 5. Rineceras tenerum sp. nov., holotype MB.C.30440.1 (Korn et al. 2002 Coll.) from Oued Temertasset. A. Whorl profile of the larger segment. B. Suture line, at ww =19.7 mm, wh= 13.7 mm. C. Whorl profile of the smaller segment. D. Suture line, at dm =26.3 mm, ww =11.3 mm, wh=8.0 mm. Scale bar units =1 mm." figureDoi="http://doi.org/10.5281/zenodo.6902593" httpUri="https://zenodo.org/record/6902593/files/figure.png" pageId="5" pageNumber="72">Fig. 5B</figureCitation>
).
</paragraph>
<caption id="4FF1B8B1F42C1954FF0219C1FD0C5965" ID-DOI="http://doi.org/10.5281/zenodo.6902589" ID-Zenodo-Dep="6902589" httpUri="https://zenodo.org/record/6902589/files/figure.png" pageId="6" pageNumber="73" startId="6.[227,270,1962,1988]" targetBox="[315,1340,306,1915]" targetPageId="6">
<paragraph id="1B31E839F42C1954FF0219C1FD0C5965" blockId="6.[227,1437,1962,2059]" pageId="6" pageNumber="73">
<emphasis id="29FA342BF42C1954FF0219C1FEA456AA" bold="true" box="[227,307,1962,1988]" pageId="6" pageNumber="73">Fig. 4.</emphasis>
<taxonomicName id="DC8E93BAF42C1954FEDC19C0FD8B56AA" authority="Korn &amp; Bockwinkel, 2022" authorityName="Korn &amp; Bockwinkel" authorityYear="2022" box="[317,540,1963,1988]" class="Cephalopoda" family="Trigonoceratidae" genus="Rineceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Nautilida" pageId="6" pageNumber="73" phylum="Mollusca" rank="species" species="tenerum" status="sp. nov.">
<emphasis id="29FA342BF42C1954FEDC19C0FD8B56AA" box="[317,540,1963,1988]" italics="true" pageId="6" pageNumber="73">Rineceras tenerum</emphasis>
</taxonomicName>
<taxonomicNameLabel id="32C98950F42C1954FDC619C0FD1356AB" box="[551,644,1963,1989]" pageId="6" pageNumber="73" rank="species">sp. nov.</taxonomicNameLabel>
from Oued Temertasset (all Korn
<emphasis id="29FA342BF42C1954FBC619C0FBCA56AA" box="[1063,1117,1962,1988]" italics="true" pageId="6" pageNumber="73">et al</emphasis>
. 2002 Coll.).
<emphasis id="29FA342BF42C1954FAE919C1FA8A56AA" bold="true" box="[1288,1309,1962,1988]" pageId="6" pageNumber="73">A</emphasis>
. Holotype MB.C.30440.1 (larger segment).
<emphasis id="29FA342BF42C1954FD7019A5FD325686" bold="true" box="[657,677,1998,2024]" pageId="6" pageNumber="73">B</emphasis>
. Holotype MB.C.30440.1 (smaller segment).
<emphasis id="29FA342BF42C1954FAE519A6FA8E5689" bold="true" box="[1284,1305,1997,2023]" pageId="6" pageNumber="73">C</emphasis>
. Paratype MB.C.30441. Scale bar units =
<quantity id="DC7645DCF42C1954FDAE199AFD015965" box="[591,662,2033,2059]" metricMagnitude="-3" metricUnit="m" metricValue="1.0" pageId="6" pageNumber="73" unit="mm" value="1.0">1 mm</quantity>
.
</paragraph>
</caption>
<caption id="4FF1B8B1F42D1955FF021F44FBFA5027" ID-Table-UUID="4FF1B8B1F42D1955FF021F44FBFA5027" box="[227,1133,303,329]" httpUri="http://table.plazi.org/id/4FF1B8B1F42D1955FF021F44FBFA5027" pageId="7" pageNumber="74" startId="7.[227,296,303,329]" targetBox="[235,1417,375,594]" targetIsTable="true" targetPageId="7">
<paragraph id="1B31E839F42D1955FF021F44FBFA5027" blockId="7.[227,1133,303,329]" box="[227,1133,303,329]" pageId="7" pageNumber="74">
<emphasis id="29FA342BF42D1955FF021F44FED15027" bold="true" box="[227,326,303,329]" pageId="7" pageNumber="74">Table 1.</emphasis>
Conch dimensions (in mm) and ratios of
<taxonomicName id="DC8E93BAF42D1955FCCF1F5BFB9C5027" authority="Korn &amp; Bockwinkel, 2022" authorityName="Korn &amp; Bockwinkel" authorityYear="2022" box="[814,1035,304,329]" class="Cephalopoda" family="Trigonoceratidae" genus="Rineceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Nautilida" pageId="7" pageNumber="74" phylum="Mollusca" rank="species" species="tenerum" status="sp. nov.">
<emphasis id="29FA342BF42D1955FCCF1F5BFB9C5027" box="[814,1035,304,329]" italics="true" pageId="7" pageNumber="74">Rineceras tenerum</emphasis>
</taxonomicName>
<taxonomicNameLabel id="32C98950F42D1955FBF31F44FBFA5027" box="[1042,1133,303,329]" pageId="7" pageNumber="74" rank="species">sp. nov.</taxonomicNameLabel>
</paragraph>
</caption>
<paragraph id="1B31E839F42D1955FEF71F1CFAE4533F" pageId="7" pageNumber="74">
<table id="698E1A99F42DE6ADFF0A1F1CFA1E533C" box="[235,1417,375,594]" colsContinueIn="16.[234,1418,375,643]" gridcols="11" gridrows="5" pageId="7" pageNumber="74">
<tr id="A5BEEA7BF42DE6ADFF0A1F1CFA1E50E1" box="[235,1417,375,399]" gridrow="0" pageId="7" pageNumber="74">
<th id="E66F8307F42DE6ADFF0A1F1CFE1D50E1" box="[235,394,375,399]" gridcol="0" gridrow="0" pageId="7" pageNumber="74">
<emphasis id="29FA342BF42D1955FEF71F1CFE1350E1" bold="true" box="[278,388,375,399]" pageId="7" pageNumber="74">Specimen</emphasis>
</th>
<th id="E66F8307F42DE6ADFE281F1CFE6F50E1" box="[457,504,375,399]" gridcol="1" gridrow="0" pageId="7" pageNumber="74">
<emphasis id="29FA342BF42D1955FE2F1F1CFE6450E1" bold="true" box="[462,499,375,399]" pageId="7" pageNumber="74">dm</emphasis>
</th>
<th id="E66F8307F42DE6ADFDC11F1CFDD850E1" box="[544,591,375,399]" gridcol="2" gridrow="0" pageId="7" pageNumber="74">
<emphasis id="29FA342BF42D1955FDC51F1CFDDC50E1" bold="true" box="[548,587,375,399]" pageId="7" pageNumber="74">ww</emphasis>
</th>
<th id="E66F8307F42DE6ADFD9B1F1CFD3E50E1" box="[634,681,375,399]" gridcol="3" gridrow="0" pageId="7" pageNumber="74">
<emphasis id="29FA342BF42D1955FD601F1CFD3450E1" bold="true" box="[641,675,375,399]" pageId="7" pageNumber="74">wh</emphasis>
</th>
<th id="E66F8307F42DE6ADFD381F1CFC9F50E1" box="[729,776,375,399]" gridcol="4" gridrow="0" pageId="7" pageNumber="74">
<emphasis id="29FA342BF42D1955FD3E1F1CFC9650E1" bold="true" box="[735,769,375,399]" pageId="7" pageNumber="74">uw</emphasis>
</th>
<th id="E66F8307F42DE6ADFCD21F1CFCF550E1" box="[819,866,375,399]" gridcol="5" gridrow="0" pageId="7" pageNumber="74">
<emphasis id="29FA342BF42D1955FCDD1F1CFCCF50E1" bold="true" box="[828,856,375,399]" pageId="7" pageNumber="74">ah</emphasis>
</th>
<th id="E66F8307F42DE6ADFC661F1CFC4E50E1" box="[903,985,375,399]" gridcol="6" gridrow="0" pageId="7" pageNumber="74">
<emphasis id="29FA342BF42D1955FC661F1CFC4E50E1" bold="true" box="[903,985,375,399]" pageId="7" pageNumber="74">ww/dm</emphasis>
</th>
<th id="E66F8307F42DE6ADFC1E1F1CFBD950E1" box="[1023,1102,375,399]" gridcol="7" gridrow="0" pageId="7" pageNumber="74">
<emphasis id="29FA342BF42D1955FC1E1F1CFBD950E1" bold="true" box="[1023,1102,375,399]" pageId="7" pageNumber="74">ww/wh</emphasis>
</th>
<th id="E66F8307F42DE6ADFB921F1CFB5550E1" box="[1139,1218,375,399]" gridcol="8" gridrow="0" pageId="7" pageNumber="74">
<emphasis id="29FA342BF42D1955FB921F1CFB5550E1" bold="true" box="[1139,1218,375,399]" pageId="7" pageNumber="74">uw/dm</emphasis>
</th>
<th id="E66F8307F42DE6ADFB081F1CFABE50E1" box="[1257,1321,375,399]" gridcol="9" gridrow="0" pageId="7" pageNumber="74">
<emphasis id="29FA342BF42D1955FB081F1CFABE50E1" bold="true" box="[1257,1321,375,399]" pageId="7" pageNumber="74">WER</emphasis>
</th>
<th id="E66F8307F42DE6ADFAB31F1CFA1E50E1" box="[1362,1417,375,399]" gridcol="10" gridrow="0" pageId="7" pageNumber="74">
<emphasis id="29FA342BF42D1955FAB31F1CFA1E50E1" bold="true" box="[1362,1417,375,399]" pageId="7" pageNumber="74">IZW</emphasis>
</th>
</tr>
<tr id="A5BEEA7BF42DE6ADFF0A1FC3FA1E50AE" box="[235,1417,424,448]" gridrow="1" pageId="7" pageNumber="74">
<th id="E66F8307F42DE6ADFF0A1FC3FE1D50AE" box="[235,394,424,448]" gridcol="0" gridrow="1" pageId="7" pageNumber="74">MB.C.30440.1</th>
<td id="E66F8307F42DE6ADFE281FC3FE6F50AE" box="[457,504,424,448]" gridcol="1" gridrow="1" pageId="7" pageNumber="74">48.8</td>
<td id="E66F8307F42DE6ADFDC11FC3FDD850AE" box="[544,591,424,448]" gridcol="2" gridrow="1" pageId="7" pageNumber="74">21.4</td>
<td id="E66F8307F42DE6ADFD9B1FC3FD3E50AE" box="[634,681,424,448]" gridcol="3" gridrow="1" pageId="7" pageNumber="74">14.7</td>
<td id="E66F8307F42DE6ADFD381FC3FC9F50AE" box="[729,776,424,448]" gridcol="4" gridrow="1" pageId="7" pageNumber="74">23.5</td>
<td id="E66F8307F42DE6ADFCD21FC3FCF550AE" box="[819,866,424,448]" gridcol="5" gridrow="1" pageId="7" pageNumber="74">14.7</td>
<td id="E66F8307F42DE6ADFC661FC3FC4E50AE" box="[903,985,424,448]" gridcol="6" gridrow="1" pageId="7" pageNumber="74">0.44</td>
<td id="E66F8307F42DE6ADFC1E1FC3FBD950AE" box="[1023,1102,424,448]" gridcol="7" gridrow="1" pageId="7" pageNumber="74">1.45</td>
<td id="E66F8307F42DE6ADFB921FC3FB5550AE" box="[1139,1218,424,448]" gridcol="8" gridrow="1" pageId="7" pageNumber="74">0.48</td>
<td id="E66F8307F42DE6ADFB081FC3FABE50AE" box="[1257,1321,424,448]" gridcol="9" gridrow="1" pageId="7" pageNumber="74">2.05</td>
<td id="E66F8307F42DE6ADFAB31FC3FA1E50AE" box="[1362,1417,424,448]" gridcol="10" gridrow="1" pageId="7" pageNumber="74">0.00</td>
</tr>
<tr id="A5BEEA7BF42DE6ADFF0A1FB3FA1E509F" box="[235,1417,472,497]" gridrow="2" pageId="7" pageNumber="74">
<th id="E66F8307F42DE6ADFF0A1FB3FE1D509F" box="[235,394,472,497]" gridcol="0" gridrow="2" pageId="7" pageNumber="74">MB.C.30440.1</th>
<td id="E66F8307F42DE6ADFE281FB3FE6F509F" box="[457,504,472,497]" gridcol="1" gridrow="2" pageId="7" pageNumber="74">27.7</td>
<td id="E66F8307F42DE6ADFDC11FB3FDD8509F" box="[544,591,472,497]" gridcol="2" gridrow="2" pageId="7" pageNumber="74">12.7</td>
<td id="E66F8307F42DE6ADFD9B1FB3FD3E509F" box="[634,681,472,497]" gridcol="3" gridrow="2" pageId="7" pageNumber="74">9.4</td>
<td id="E66F8307F42DE6ADFD381FB3FC9F509F" box="[729,776,472,497]" gridcol="4" gridrow="2" pageId="7" pageNumber="74">13.3</td>
<td id="E66F8307F42DE6ADFCD21FB3FCF5509F" box="[819,866,472,497]" gridcol="5" gridrow="2" pageId="7" pageNumber="74">9.4</td>
<td id="E66F8307F42DE6ADFC661FB3FC4E509F" box="[903,985,472,497]" gridcol="6" gridrow="2" pageId="7" pageNumber="74">0.46</td>
<td id="E66F8307F42DE6ADFC1E1FB3FBD9509F" box="[1023,1102,472,497]" gridcol="7" gridrow="2" pageId="7" pageNumber="74">1.35</td>
<td id="E66F8307F42DE6ADFB921FB3FB55509F" box="[1139,1218,472,497]" gridcol="8" gridrow="2" pageId="7" pageNumber="74">0.48</td>
<td id="E66F8307F42DE6ADFB081FB3FABE509F" box="[1257,1321,472,497]" gridcol="9" gridrow="2" pageId="7" pageNumber="74">2.29</td>
<td id="E66F8307F42DE6ADFAB31FB3FA1E509F" box="[1362,1417,472,497]" gridcol="10" gridrow="2" pageId="7" pageNumber="74">0.00</td>
</tr>
<tr id="A5BEEA7BF42DE6ADFF0A1C62FA1E534F" box="[235,1417,521,545]" gridrow="3" pageId="7" pageNumber="74">
<th id="E66F8307F42DE6ADFF0A1C62FE1D534F" box="[235,394,521,545]" gridcol="0" gridrow="3" pageId="7" pageNumber="74">MB.C.30442</th>
<td id="E66F8307F42DE6ADFE281C62FE6F534F" box="[457,504,521,545]" gridcol="1" gridrow="3" pageId="7" pageNumber="74"></td>
<td id="E66F8307F42DE6ADFDC11C62FDD8534F" box="[544,591,521,545]" gridcol="2" gridrow="3" pageId="7" pageNumber="74">32.5</td>
<td id="E66F8307F42DE6ADFD9B1C62FD3E534F" box="[634,681,521,545]" gridcol="3" gridrow="3" pageId="7" pageNumber="74">21.9</td>
<td id="E66F8307F42DE6ADFD381C62FC9F534F" box="[729,776,521,545]" gridcol="4" gridrow="3" pageId="7" pageNumber="74"></td>
<td id="E66F8307F42DE6ADFCD21C62FCF5534F" box="[819,866,521,545]" gridcol="5" gridrow="3" pageId="7" pageNumber="74"></td>
<td id="E66F8307F42DE6ADFC661C62FC4E534F" box="[903,985,521,545]" gridcol="6" gridrow="3" pageId="7" pageNumber="74"></td>
<td id="E66F8307F42DE6ADFC1E1C62FBD9534F" box="[1023,1102,521,545]" gridcol="7" gridrow="3" pageId="7" pageNumber="74">1.48</td>
<td id="E66F8307F42DE6ADFB921C62FB55534F" box="[1139,1218,521,545]" gridcol="8" gridrow="3" pageId="7" pageNumber="74"></td>
<td id="E66F8307F42DE6ADFB081C62FABE534F" box="[1257,1321,521,545]" gridcol="9" gridrow="3" pageId="7" pageNumber="74"></td>
<td id="E66F8307F42DE6ADFAB31C62FA1E534F" box="[1362,1417,521,545]" gridcol="10" gridrow="3" pageId="7" pageNumber="74"></td>
</tr>
<tr id="A5BEEA7BF42DE6ADFF0A1C51FA1E533C" box="[235,1417,570,594]" gridrow="4" pageId="7" pageNumber="74">
<th id="E66F8307F42DE6ADFF0A1C51FE1D533C" box="[235,394,570,594]" gridcol="0" gridrow="4" pageId="7" pageNumber="74">MB.C.30441</th>
<td id="E66F8307F42DE6ADFE281C51FE6F533C" box="[457,504,570,594]" gridcol="1" gridrow="4" pageId="7" pageNumber="74"></td>
<td id="E66F8307F42DE6ADFDC11C51FDD8533C" box="[544,591,570,594]" gridcol="2" gridrow="4" pageId="7" pageNumber="74">15.6</td>
<td id="E66F8307F42DE6ADFD9B1C51FD3E533C" box="[634,681,570,594]" gridcol="3" gridrow="4" pageId="7" pageNumber="74">10.9</td>
<td id="E66F8307F42DE6ADFD381C51FC9F533C" box="[729,776,570,594]" gridcol="4" gridrow="4" pageId="7" pageNumber="74"></td>
<td id="E66F8307F42DE6ADFCD21C51FCF5533C" box="[819,866,570,594]" gridcol="5" gridrow="4" pageId="7" pageNumber="74"></td>
<td id="E66F8307F42DE6ADFC661C51FC4E533C" box="[903,985,570,594]" gridcol="6" gridrow="4" pageId="7" pageNumber="74"></td>
<td id="E66F8307F42DE6ADFC1E1C51FBD9533C" box="[1023,1102,570,594]" gridcol="7" gridrow="4" pageId="7" pageNumber="74">1.49</td>
<td id="E66F8307F42DE6ADFB921C51FB55533C" box="[1139,1218,570,594]" gridcol="8" gridrow="4" pageId="7" pageNumber="74"></td>
<td id="E66F8307F42DE6ADFB081C51FABE533C" box="[1257,1321,570,594]" gridcol="9" gridrow="4" pageId="7" pageNumber="74"></td>
<td id="E66F8307F42DE6ADFAB31C51FA1E533C" box="[1362,1417,570,594]" gridcol="10" gridrow="4" pageId="7" pageNumber="74"></td>
</tr>
</table>
</paragraph>
<paragraph id="1B31E839F42D1955FF021CE5FB4C52F1" blockId="7.[226,1437,654,927]" pageId="7" pageNumber="74">
The segment of the younger stage (
<figureCitation id="83B5F4BCF42D1955FD6D1CE5FD7E53C6" box="[652,745,654,680]" captionStart="Fig" captionStartId="6.[227,270,1962,1988]" captionTargetBox="[315,1340,306,1915]" captionTargetId="figure-52@6.[307,1355,302,1926]" captionTargetPageId="6" captionText="Fig. 4. Rineceras tenerum sp. nov. from Oued Temertasset (all Korn et al. 2002 Coll.). A. Holotype MB.C.30440.1 (larger segment). B. Holotype MB.C.30440.1 (smaller segment). C. Paratype MB.C.30441. Scale bar units =1 mm." figureDoi="http://doi.org/10.5281/zenodo.6902589" httpUri="https://zenodo.org/record/6902589/files/figure.png" pageId="7" pageNumber="74">Fig. 4B</figureCitation>
) shows the conch dimensions and proportions better. The conch is evolute at
<quantity id="DC7645DCF42D1955FE2C1CD9FD8953A2" box="[461,542,690,716]" metricMagnitude="-2" metricUnit="m" metricValue="2.8" pageId="7" pageNumber="74" unit="mm" value="28.0">28 mm</quantity>
diameter (uw/dm =0.48). The whorl profile is similar to the large segment, but the venter is slightly more flattened and the ventrolateral shoulder is more pronounced with a very shallow submarginal ventral groove (
<figureCitation id="83B5F4BCF42D1955FD771C93FD64527D" box="[662,755,760,787]" captionStart="Fig" captionStartId="7.[227,270,1926,1952]" captionTargetBox="[227,1436,1486,1894]" captionTargetId="figure-359@7.[227,1436,1486,1894]" captionTargetPageId="7" captionText="Fig. 5. Rineceras tenerum sp. nov., holotype MB.C.30440.1 (Korn et al. 2002 Coll.) from Oued Temertasset. A. Whorl profile of the larger segment. B. Suture line, at ww =19.7 mm, wh= 13.7 mm. C. Whorl profile of the smaller segment. D. Suture line, at dm =26.3 mm, ww =11.3 mm, wh=8.0 mm. Scale bar units =1 mm." figureDoi="http://doi.org/10.5281/zenodo.6902593" httpUri="https://zenodo.org/record/6902593/files/figure.png" pageId="7" pageNumber="74">Fig. 5C</figureCitation>
). From the margin of the venter and on the flank, there are about 12 spiral lines. However, it can be seen that the number of spiral lines decreases during ontogeny; over a distance of 180 degrees, the initially coarse spiral lines in the submarginal area of the venter become weaker gradually. The siphuncle has a position slightly off centre on the ventral side. The suture line shows a broad and shallow external lobe and a very shallow lateral lobe (
<figureCitation id="83B5F4BCF42D1955FB911DEEFB5952F1" box="[1136,1230,900,927]" captionStart="Fig" captionStartId="7.[227,270,1926,1952]" captionTargetBox="[227,1436,1486,1894]" captionTargetId="figure-359@7.[227,1436,1486,1894]" captionTargetPageId="7" captionText="Fig. 5. Rineceras tenerum sp. nov., holotype MB.C.30440.1 (Korn et al. 2002 Coll.) from Oued Temertasset. A. Whorl profile of the larger segment. B. Suture line, at ww =19.7 mm, wh= 13.7 mm. C. Whorl profile of the smaller segment. D. Suture line, at dm =26.3 mm, ww =11.3 mm, wh=8.0 mm. Scale bar units =1 mm." figureDoi="http://doi.org/10.5281/zenodo.6902593" httpUri="https://zenodo.org/record/6902593/files/figure.png" pageId="7" pageNumber="74">Fig. 5D</figureCitation>
).
</paragraph>
<paragraph id="1B31E839F42D1955FF021DACFE615524" blockId="7.[227,1436,966,1098]" pageId="7" pageNumber="74">
<typeStatus id="C435569BF42D1955FF021DACFEDD528F" box="[227,330,967,993]" pageId="7" pageNumber="74" type="paratype">Paratype</typeStatus>
MB.C.30441 closely resembles the
<typeStatus id="C435569BF42D1955FD151DADFCCC528E" box="[756,859,966,992]" pageId="7" pageNumber="74" type="holotype">holotype</typeStatus>
but has a slightly more pronounced ventrolateral shoulder (
<figureCitation id="83B5F4BCF42D1955FEB91D82FE22556D" box="[344,437,1001,1027]" captionStart="Fig" captionStartId="6.[227,270,1962,1988]" captionTargetBox="[315,1340,306,1915]" captionTargetId="figure-52@6.[307,1355,302,1926]" captionTargetPageId="6" captionText="Fig. 4. Rineceras tenerum sp. nov. from Oued Temertasset (all Korn et al. 2002 Coll.). A. Holotype MB.C.30440.1 (larger segment). B. Holotype MB.C.30440.1 (smaller segment). C. Paratype MB.C.30441. Scale bar units =1 mm." figureDoi="http://doi.org/10.5281/zenodo.6902589" httpUri="https://zenodo.org/record/6902589/files/figure.png" pageId="7" pageNumber="74">Fig. 4C</figureCitation>
). The large unfigured
<typeStatus id="C435569BF42D1955FD541D81FC8D556A" box="[693,794,1002,1028]" pageId="7" pageNumber="74" type="paratype">paratype</typeStatus>
MB.C.30442 has, at a whorl height of
<quantity id="DC7645DCF42D1955FB021D82FAAE556A" box="[1251,1337,1001,1028]" metricMagnitude="-2" metricUnit="m" metricValue="2.1" pageId="7" pageNumber="74" unit="mm" value="21.0">21 mm</quantity>
, a whorl profile almost identical to the
<typeStatus id="C435569BF42D1955FDA01A67FD3C5548" box="[577,683,1036,1062]" pageId="7" pageNumber="74" type="holotype">holotype</typeStatus>
; it also possesses twelve coarse spiral lines on the flanks and the outer part of the venter.
</paragraph>
</subSubSection>
<subSubSection id="5394BBB2F42D1955FF021A1AFD8854C5" pageId="7" pageNumber="74" type="discussion">
<paragraph id="1B31E839F42D1955FF021A1AFEC255E5" blockId="7.[227,341,1137,1163]" box="[227,341,1137,1163]" pageId="7" pageNumber="74">
<heading id="40795F55F42D1955FF021A1AFEC255E5" bold="true" box="[227,341,1137,1163]" fontSize="11" level="3" pageId="7" pageNumber="74" reason="3">
<emphasis id="29FA342BF42D1955FF021A1AFEC255E5" bold="true" box="[227,341,1137,1163]" pageId="7" pageNumber="74">Remarks</emphasis>
</heading>
</paragraph>
<paragraph id="1B31E839F42D1955FF021ACBFD2D544A" blockId="7.[227,1438,1184,1316]" pageId="7" pageNumber="74">
The species of the genus
<taxonomicName id="DC8E93BAF42D1955FDF51ACBFD1E55D7" authorityName="Hyatt" authorityYear="1893" box="[532,649,1184,1209]" class="Cephalopoda" family="Trigonoceratidae" genus="Rineceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Nautilida" pageId="7" pageNumber="74" phylum="Mollusca" rank="genus">
<emphasis id="29FA342BF42D1955FDF51ACBFD1E55D7" box="[532,649,1184,1209]" italics="true" pageId="7" pageNumber="74">Rineceras</emphasis>
</taxonomicName>
can be divided into different groups according to various aspects: general conch shape (whorls detached or embracing), whorl profile (depressed oval, rounded-triangular or trapezoidal), formation of the ventrolateral shoulder (rounded or angular), spiral ornament (spirals equally strong or differently strong) etc.
</paragraph>
<paragraph id="1B31E839F42D1955FF021B20FD8854C5" blockId="7.[227,1436,1355,1451]" pageId="7" pageNumber="74">
<taxonomicName id="DC8E93BAF42D1955FF021B20FE54540A" authority="Korn &amp; Bockwinkel, 2022" authorityName="Korn &amp; Bockwinkel" authorityYear="2022" box="[227,451,1355,1380]" class="Cephalopoda" family="Trigonoceratidae" genus="Rineceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Nautilida" pageId="7" pageNumber="74" phylum="Mollusca" rank="species" species="tenerum" status="sp. nov.">
<emphasis id="29FA342BF42D1955FF021B20FE54540A" box="[227,451,1355,1380]" italics="true" pageId="7" pageNumber="74">Rineceras tenerum</emphasis>
</taxonomicName>
<taxonomicNameLabel id="32C98950F42D1955FE2F1B20FDBB540B" box="[462,556,1355,1381]" pageId="7" pageNumber="74" rank="species">sp. nov.</taxonomicNameLabel>
differs from all other species of the genus by the combination of rather weak spiral lines that are restricted to the flank, the non-embracing whorls, and the whorl profile with a rounded-triangular outline.
</paragraph>
</subSubSection>
</treatment>
</document>