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<document id="8D83199BC078FA19266F57CA253C042F" ID-DOI="10.5852/ejt.2024.921.2413" ID-ISSN="2118-9773" ID-Zenodo-Dep="10590243" ID-ZooBank="80B3C408-DD2C-4373-96AE-15F067D723F8" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="juliana" IM.materialsCitations_approvedBy="juliana" IM.metadata_approvedBy="felipe" IM.tables_approvedBy="juliana" IM.taxonomicNames_approvedBy="juliana" IM.treatmentCitations_approvedBy="felipe" IM.treatments_approvedBy="juliana" checkinTime="1706610496547" checkinUser="plazi" docAuthor="Bockwinkel, Jürgen &amp; Korn, Dieter" docDate="2024" docId="03D987F22928F64FFDC020267129FD70" docLanguage="en" docName="EJT.2024.921.1-35.pdf" docOrigin="European Journal of Taxonomy 921 (1)" docSource="https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/2413/10641" docStyle="DocumentStyle:EF2B578F1D15862ADE45B0C07C620911.14:EJT.2018-.journal_article.type1" docStyleId="EF2B578F1D15862ADE45B0C07C620911" docStyleName="EJT.2018-.journal_article.type1" docStyleVersion="14" docTitle="Maenioceras afroterebratum Bockwinkel &amp; Korn 2024, sp. nov." docType="treatment" docUuid="A50A8AFC-D773-4DF9-BAF2-3DA91E3E0250" docUuidSource="ZooBank" docVersion="5" lastPageNumber="8" masterDocId="FFE0FF8A292EF647FFFB212F7550FF8C" masterDocTitle="Ammonoids of the Middle Devonian family Maenioceratidae in the Anti-Atlas of Morocco" masterLastPageNumber="35" masterPageNumber="1" pageNumber="7" updateTime="1706631334240" 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="710EDADF9A77BDA30959950C0220ABE7">Ammonoids of the Middle Devonian family Maenioceratidae in the Anti-Atlas of Morocco</mods:title>
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<mods:namePart id="7B86203DCCD9F3C9FE0FE12B5DDCC5BC">Bockwinkel, Jürgen</mods:namePart>
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<mods:affiliation id="77C568A81BDCD555CE39A8BDC582A669">Dechant-Fein-Strasse 22, 51375 Leverkusen, Germany.</mods:affiliation>
<mods:nameIdentifier id="52244EE528B92FBD38C91FAFFBF16C1F" type="email">j.bockwinkel@t-online.de</mods:nameIdentifier>
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<mods:namePart id="44075E020E1AF60B0A64AEC1C73FE4BD">Korn, Dieter</mods:namePart>
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<mods:affiliation id="C7842F6AE76F701EF5529C75F92B8F28">Museum für Naturkunde, Leibniz-Institut für Evolutions- und Biodiversitätsforschung, Invalidenstrasse 43, 10115 Berlin, Germany.</mods:affiliation>
<mods:nameIdentifier id="B47DA38B3D07E3E2F291A2F6042585AF" type="email">dieter.korn@mfn.berlin</mods:nameIdentifier>
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<mods:title id="A7267AB6CBF15531A0F859293C0CEE10">European Journal of Taxonomy</mods:title>
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<mods:date id="12B724020A1BB3168E238AD3CB195F95">2024</mods:date>
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<mods:number id="71BDC6A4838E795FF411638304BE483C">2024-01-30</mods:number>
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<mods:number id="8D59E37BD9B4618DBB6172A55FA32E4F">921</mods:number>
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<subSubSection id="C36A656F2928F641FDC0202676A9FEAF" box="[571,1017,264,291]" pageId="6" pageNumber="7" type="nomenclature">
<paragraph id="8BCF36E42928F641FDC0202676A9FEAF" blockId="6.[356,1231,264,363]" box="[571,1017,264,291]" pageId="6" pageNumber="7">
<heading id="D08781882928F641FDC0202676A9FEAF" box="[571,1017,264,291]" centered="true" fontSize="11" level="2" pageId="6" pageNumber="7" reason="2">
<taxonomicName id="4C704D672928F641FDC0202676C7FEAF" authority="Bockwinkel &amp; Korn, 2024" authorityName="Bockwinkel &amp; Korn" authorityYear="2024" box="[571,919,264,291]" class="Cephalopoda" family="Maenioceratidae" genus="Maenioceras" kingdom="Animalia" order="Agoniatitida" pageId="6" pageNumber="7" phylum="Mollusca" rank="species" species="afroterebratum" status="sp. nov.">
<emphasis id="B904EAF62928F641FDC0202676C7FEAF" bold="true" box="[571,919,264,291]" italics="true" pageId="6" pageNumber="7">Maenioceras afroterebratum</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A237578D2928F641FC65202676A9FEAF" box="[926,1017,265,291]" pageId="6" pageNumber="7" rank="species">sp. nov.</taxonomicNameLabel>
</heading>
</paragraph>
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<subSubSection id="C36A656F2928F641FE9F2002763FFEE7" pageId="6" pageNumber="7" type="description">
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<uri id="FFE13AE62928F641FE9F2002719FFEC4" box="[356,1231,301,328]" pageId="6" pageNumber="7">
urn:lsid:zoobank.org:act:
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</uri>
</paragraph>
<paragraph id="8BCF36E42928F641FD3E207E763FFEE7" blockId="6.[356,1231,264,363]" box="[709,879,337,363]" pageId="6" pageNumber="7">
<figureCitation id="134B2A612928F641FD3E207E765CFEE7" box="[709,780,337,363]" captionStart="Fig" captionStartId="7.[189,232,1857,1883]" captionTargetBox="[202,1383,1238,1807]" captionTargetId="figure-333@7.[201,1387,1232,1816]" captionTargetPageId="7" captionText="Fig. 4. Maenioceras afroterebratum sp. nov. A. Holotype MB.C.31947.1 from Oued Mzerreb-W, bed 6. B. Paratype MB.C.31948.1 from Oufrane-W, bed 3. C. Paratype MB.C.31947.2 from Oued Mzerreb-W, bed 6. D. Paratype MB.C.31948.2 from Oufrane-W, bed 3. E. Paratype MB.C.31947.2 from Oued Mzerreb-W, bed 6; suture line at dm = 10.0 mm. F. Paratype MB.C.31947.3 from Oued Mzerreb-W, bed 6; cross section. Scale bar units = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.10590251" httpUri="https://zenodo.org/record/10590251/files/figure.png" pageId="6" pageNumber="7">Fig. 4</figureCitation>
;
<tableCitation id="C6F2035F2928F641FCE3207E763FFEE7" box="[792,879,337,363]" captionStart="Table 1" captionStartId="8.[189,259,265,291]" captionTargetPageId="8" captionText="Table 1. Conch dimensions (in mm) and ratios of Maenioceras afroterebratum sp. nov." httpUri="http://table.plazi.org/id/DF0F666C2926F64FFF46202671EDFEA8" pageId="6" pageNumber="7" tableUuid="DF0F666C2926F64FFF46202671EDFEA8">Table 1</tableCitation>
</paragraph>
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<subSubSection id="C36A656F2928F641FF4620BB746CFD48" pageId="6" pageNumber="7" type="reference_group">
<paragraph id="8BCF36E42928F641FF4620BB74FAFE79" blockId="6.[189,1399,403,607]" pageId="6" pageNumber="7">
<taxonomicName id="4C704D672928F641FF4620BB748FFE21" ID-CoL="3XFNN" box="[189,479,403,429]" class="Cephalopoda" family="Maenioceratidae" genus="Maenioceras" kingdom="Animalia" order="Agoniatitida" pageId="6" pageNumber="7" phylum="Mollusca" rank="species" species="terebratum">
<emphasis id="B904EAF62928F641FF4620BB748FFE21" box="[189,479,403,429]" italics="true" pageId="6" pageNumber="7">Maenioceras terebratum</emphasis>
</taxonomicName>
–
<bibRefCitation id="EFE14B152928F641FE0420BC7676FE22" author="Termier G. &amp; Termier H." box="[511,806,403,430]" pageId="6" pageNumber="7" pagination="1 - 246" refId="ref17240" refString="Termier G. &amp; Termier H. 1950. Paleontologie marocaine. II. Invertebres de l'ere Primaire. Fascicule III. Mollusques. Notes et Memoires, Service geologique, Protectorat de la Republique francaise au Maroc, Direction de la Production industrielle et des Mines, Division des Mines et de la Geologie Republique francaise Maroc 78: 1 - 246." type="journal article" year="1950">Termier &amp; Termier 1950</bibRefCitation>
: pl. 143 fig. 28. —
<bibRefCitation id="EFE14B152928F641FBF520BB7185FE21" author="Petter G." box="[1038,1237,403,430]" pageId="6" pageNumber="7" pagination="1 - 313" refId="ref17052" refString="Petter G. 1959. Goniatites devoniennes du Sahara. Publications du Service de la Carte geologique de l'Algerie (nouvelle serie), Paleontologie 2: 1 - 313." type="journal article" year="1959">Petter 1959: 122</bibRefCitation>
, pl. 6 figs 18, 22, text-figs 16, 31a. —
<bibRefCitation id="EFE14B152928F641FDF4209876C2FE5D" author="Aboussalam Z. S. &amp; Becker R. T." box="[527,914,439,465]" pageId="6" pageNumber="7" pagination="63 - 99" refId="ref15947" refString="Aboussalam Z. S. &amp; Becker R. T. 2001. Prospects for an upper Givetian substage. Mitteilungen aus dem Museum fur Naturkunde in Berlin, Geowissenschaftliche Reihe 4: 63 - 99. https: // doi. org / 10.1002 / mmng. 4860040107" type="journal article" year="2001">Aboussalam &amp; Becker 2001: 89</bibRefCitation>
, pl. 1 figs 10–11. —
<bibRefCitation id="EFE14B152928F641FB6920987023FE5D" author="Becker R. T. &amp; Aboussalam Z. S. &amp; Bockwinkel J. &amp; Ebbighausen V. &amp; El Hassani A. &amp; Nubel H." box="[1170,1395,439,466]" pageId="6" pageNumber="7" pagination="29 - 43" refId="ref16173" refString="Becker R. T., Aboussalam Z. S., Bockwinkel J., Ebbighausen V., El Hassani A. &amp; Nubel H. 2004. The Givetian and Frasnian at Oued Mzerreb (Tata region, eastern Dra Valley). Documents de l'Institut scientifique Rabat 19: 29 - 43." type="journal article" year="2004">
Becker
<emphasis id="B904EAF62928F641FB1520977073FE5D" box="[1262,1315,439,465]" italics="true" pageId="6" pageNumber="7">et al</emphasis>
. 2004
</bibRefCitation>
: pl. 1 figs 17–18.
</paragraph>
<paragraph id="8BCF36E42928F641FF4620D077C7FDB0" blockId="6.[189,1399,403,607]" pageId="6" pageNumber="7">
<taxonomicName id="4C704D672928F641FF4620D07739FD94" ID-CoL="3XFNN" box="[189,617,510,536]" class="Cephalopoda" family="Maenioceratidae" genus="Maenioceras" kingdom="Animalia" order="Agoniatitida" pageId="6" pageNumber="7" phylum="Mollusca" rank="subSpecies" species="terebratum" subSpecies="terebratum">
<emphasis id="B904EAF62928F641FF4620D07739FD94" box="[189,617,510,536]" italics="true" pageId="6" pageNumber="7">Maenioceras terebratum terebratum</emphasis>
</taxonomicName>
–
<bibRefCitation id="EFE14B152928F641FD7320D17637FD95" author="Bensaid M." box="[648,871,510,537]" pageId="6" pageNumber="7" pagination="82 - 137" refId="ref16343" refString="Bensaid M. 1974. Etude sur des Goniatites a la limite du Devonien moyen et superieur, du Sud marocain. Notes du Service geologique du Maroc 36: 82 - 137." type="journal article" year="1974">Bensaïd 1974: 103</bibRefCitation>
, pl. 1 figs 12, 12a (? fig. 11), pl. 2 figs 1, 1a, 4, pl. 3 fig. 5, text-fig. 12b
<subScript id="17F434A12928F641FDE5231B777AFDCE" attach="left" box="[542,554,564,578]" fontSize="6" pageId="6" pageNumber="7">1,</subScript>
(non b
<subScript id="17F434A12928F641FD86231B77D6FDCE" attach="left" box="[637,646,564,578]" fontSize="6" pageId="6" pageNumber="7">2</subScript>
).
</paragraph>
<paragraph id="8BCF36E42928F641FF462369701EFDD3" blockId="6.[189,1399,403,607]" box="[189,1358,581,607]" pageId="6" pageNumber="7">
<treatmentCitationGroup id="AB6011CA2928F641FF462369701EFDD3" box="[189,1358,581,607]" pageId="6" pageNumber="7">
<taxonomicName id="4C704D672928F641FF46236977C2FDD3" ID-CoL="3XFNN" box="[189,658,581,607]" class="Cephalopoda" family="Maenioceratidae" genus="Maenioceras" kingdom="Animalia" order="Agoniatitida" pageId="6" pageNumber="7" phylum="Mollusca" rank="species" species="terebratum" subGenus="Maenioceras">
<emphasis id="B904EAF62928F641FF4623697406FDD3" box="[189,342,582,607]" italics="true" pageId="6" pageNumber="7">Maenioceras</emphasis>
(
<emphasis id="B904EAF62928F641FE9C23697750FDD3" box="[359,512,582,607]" italics="true" pageId="6" pageNumber="7">Maenioceras</emphasis>
)
<emphasis id="B904EAF62928F641FDEA236A77C2FDD3" box="[529,658,581,607]" italics="true" pageId="6" pageNumber="7">terebratum</emphasis>
</taxonomicName>
–
<treatmentCitation id="0AD110F52928F641FD4B236A76CEFDD3" author="Goddertz B." box="[688,926,581,607]" page="176" pageId="6" pageNumber="7" year="1987">
<bibRefCitation id="EFE14B152928F641FD4B236A76CEFDD3" author="Goddertz B." box="[688,926,581,607]" pageId="6" pageNumber="7" pagination="127 - 220" refId="ref16644" refString="Goddertz B. 1987. Devonische Goniatiten aus SW-Algerien und ihre stratigraphische Einordnung in die Conodonten-Abfolge. Palaeontographica, Abteilung A 197: 127 - 220." type="journal article" year="1987">Göddertz 1987: 176</bibRefCitation>
</treatmentCitation>
, pl. 12 figs 3–9, text-figs 27a, 28a–e.
</treatmentCitationGroup>
</paragraph>
<paragraph id="8BCF36E42928F641FF4623A9746CFD48" blockId="6.[189,1399,646,708]" pageId="6" pageNumber="7">
<treatmentCitationGroup id="AB6011CA2928F641FF4623A9746CFD48" pageId="6" pageNumber="7">
?
<taxonomicName id="4C704D672928F641FF2F23A874A8FD2C" ID-CoL="3XFNN" box="[212,504,646,672]" class="Cephalopoda" family="Maenioceratidae" genus="Maenioceras" kingdom="Animalia" order="Agoniatitida" pageId="6" pageNumber="7" phylum="Mollusca" rank="species" species="terebratum">
<emphasis id="B904EAF62928F641FF2F23A874A8FD2C" box="[212,504,646,672]" italics="true" pageId="6" pageNumber="7">Maenioceras terebratum</emphasis>
</taxonomicName>
–
<bibRefCitation id="EFE14B152928F641FDE123A97616FD2D" author="Termier G. &amp; Termier H." box="[538,838,646,673]" pageId="6" pageNumber="7" pagination="1 - 246" refId="ref17240" refString="Termier G. &amp; Termier H. 1950. Paleontologie marocaine. II. Invertebres de l'ere Primaire. Fascicule III. Mollusques. Notes et Memoires, Service geologique, Protectorat de la Republique francaise au Maroc, Direction de la Production industrielle et des Mines, Division des Mines et de la Geologie Republique francaise Maroc 78: 1 - 246." type="journal article" year="1950">Termier &amp; Termier 1950</bibRefCitation>
: pl. 143 figs 25–27. —
<treatmentCitation id="0AD110F52928F641FB9323A87062FD2C" author="Petter G." box="[1128,1330,646,673]" page="122" pageId="6" pageNumber="7" year="1959">
<bibRefCitation id="EFE14B152928F641FB9323A87062FD2C" author="Petter G." box="[1128,1330,646,673]" pageId="6" pageNumber="7" pagination="1 - 313" refId="ref17052" refString="Petter G. 1959. Goniatites devoniennes du Sahara. Publications du Service de la Carte geologique de l'Algerie (nouvelle serie), Paleontologie 2: 1 - 313." type="journal article" year="1959">Petter 1959: 122</bibRefCitation>
</treatmentCitation>
, pl. 6 fig. 10.
</treatmentCitationGroup>
</paragraph>
</subSubSection>
<subSubSection id="C36A656F2928F641FF4623C477C0FBA6" pageId="6" pageNumber="7" type="diagnosis">
<paragraph id="8BCF36E42928F641FF4623C47466FC89" blockId="6.[189,310,747,773]" box="[189,310,747,773]" pageId="6" pageNumber="7">
<heading id="D08781882928F641FF4623C47466FC89" bold="true" box="[189,310,747,773]" fontSize="11" level="3" pageId="6" pageNumber="7" reason="3">
<emphasis id="B904EAF62928F641FF4623C47466FC89" bold="true" box="[189,310,747,773]" pageId="6" pageNumber="7">Diagnosis</emphasis>
</heading>
</paragraph>
<paragraph id="8BCF36E42928F641FF46223677C0FBA6" blockId="6.[188,1399,793,1066]" pageId="6" pageNumber="7">
Species of
<taxonomicName id="4C704D672928F641FEBF2235748FFCBF" authorityName="Schindewolf" authorityYear="1933" box="[324,479,794,819]" class="Cephalopoda" family="Maenioceratidae" genus="Maenioceras" kingdom="Animalia" pageId="6" pageNumber="7" phylum="Mollusca" rank="genus">
<emphasis id="B904EAF62928F641FEBF2235748FFCBF" box="[324,479,794,819]" italics="true" pageId="6" pageNumber="7">Maenioceras</emphasis>
</taxonomicName>
with thickly discoidal and subinvolute conch at
<quantity id="4C889B012928F641FBCA223571D7FCB8" box="[1073,1159,794,820]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="6" pageNumber="7" unit="mm" value="10.0">10 mm</quantity>
dm (ww/dm ~0.50; uw/dm ~ 0.25); conch thinly discoidal and involute at
<quantity id="4C889B012928F641FCBE221276CAFCDB" box="[837,922,829,855]" metricMagnitude="-2" metricUnit="m" metricValue="1.7" pageId="6" pageNumber="7" unit="mm" value="17.0">17 mm</quantity>
dm (ww/dm ~ 0.40; uw/dm ~ 0.13) with weakly depressed whorl profile (ww/wh~ 0.90) and low coiling rate (WER~ 1.70). Whorl profile at
<quantity id="4C889B012928F641FF4622AC7440FC12" box="[189,272,899,926]" metricMagnitude="-2" metricUnit="m" metricValue="1.7" pageId="6" pageNumber="7" unit="mm" value="17.0">17 mm</quantity>
conch diameter trapezoidal with flattened, nearly parallel, weakly convergent flanks, narrowly rounded ventrolateral shoulder and broad, nearly flat venter. Ventrolateral shoulder with a faint spiral groove in juvenile and deeper groove in adult specimens. Growth lines coarse, lamellar. Suture line with very wide external lobe, shallow, asymmetrically rounded E
<subScript id="17F434A12928F641FC4322D07691FB81" attach="left" box="[952,961,1023,1037]" fontSize="6" pageId="6" pageNumber="7">2</subScript>
lobe, narrowly rounded ventrolateral saddle and blunt, V-shaped lateral lobe.
</paragraph>
</subSubSection>
<subSubSection id="C36A656F2928F641FF46257E7185FB16" box="[189,1237,1105,1178]" pageId="6" pageNumber="7" type="etymology">
<paragraph id="8BCF36E42928F641FF46257E7414FBE7" blockId="6.[189,324,1105,1131]" box="[189,324,1105,1131]" pageId="6" pageNumber="7">
<heading id="D08781882928F641FF46257E7414FBE7" bold="true" box="[189,324,1105,1131]" fontSize="11" level="3" pageId="6" pageNumber="7" reason="3">
<emphasis id="B904EAF62928F641FF46257E7414FBE7" bold="true" box="[189,324,1105,1131]" pageId="6" pageNumber="7">Etymology</emphasis>
</heading>
</paragraph>
<paragraph id="8BCF36E42928F641FF4625AF7185FB16" blockId="6.[189,1237,1152,1178]" box="[189,1237,1152,1178]" pageId="6" pageNumber="7">
Named because of the resemblance with
<taxonomicName id="4C704D672928F641FD6525AE7616FB16" box="[670,838,1152,1178]" class="Cephalopoda" family="Maenioceratidae" genus="Maenioceras" kingdom="Animalia" pageId="6" pageNumber="7" phylum="Mollusca" rank="species" species="terebratum">
<emphasis id="B904EAF62928F641FD6525AE7616FB16" box="[670,838,1152,1178]" italics="true" pageId="6" pageNumber="7">M. terebratum</emphasis>
</taxonomicName>
and the origin from North Africa.
</paragraph>
</subSubSection>
<subSubSection id="C36A656F2928F641FF4625EE71D3F993" pageId="6" pageNumber="7" type="materials_examined">
<paragraph id="8BCF36E42928F641FF4625EE743CFB57" blockId="6.[189,364,1217,1243]" box="[189,364,1217,1243]" pageId="6" pageNumber="7">
<heading id="D08781882928F641FF4625EE743CFB57" bold="true" box="[189,364,1217,1243]" fontSize="11" level="3" pageId="6" pageNumber="7" reason="3">
<emphasis id="B904EAF62928F641FF4625EE743CFB57" bold="true" box="[189,364,1217,1243]" pageId="6" pageNumber="7">Type material</emphasis>
</heading>
</paragraph>
<materialsCitation id="3B183CB92928F641FF1125DF765EFADC" collectionCode="MB" collectorName="Bockwinkel &amp; Ebbighausen" country="Morocco" county="Ebbighausen" location="Anti-Atlas" municipality="Bockwinkel" pageId="6" pageNumber="7" specimenCode="MB.C.31947.1" specimenCount="1" typeStatus="holotype">
<paragraph id="8BCF36E42928F641FF1125DF740CFA86" blockId="6.[189,1399,1264,1360]" box="[234,348,1264,1290]" pageId="6" pageNumber="7">
<emphasis id="B904EAF62928F641FF1125DF740CFA86" bold="true" box="[234,348,1264,1290]" pageId="6" pageNumber="7">
<typeStatus id="54CB88462928F641FF1125DF740CFA86" box="[234,348,1264,1290]" pageId="6" pageNumber="7" type="holotype">Holotype</typeStatus>
</emphasis>
</paragraph>
<paragraph id="8BCF36E42928F641FF46243C765EFADC" blockId="6.[189,1399,1264,1360]" pageId="6" pageNumber="7">
<collectingCountry id="F36776742928F641FF46243C7401FAA1" box="[189,337,1299,1325]" name="Morocco" pageId="6" pageNumber="7">MOROCCO</collectingCountry>
•
<location id="8EAF603F2928F641FE8B243C74BFFAA1" LSID="urn:lsid:plazi:treatment:03D987F22928F64FFDC020267129FD70:8EAF603F2928F641FE8B243C74BFFAA1" box="[368,495,1299,1325]" country="Morocco" county="Ebbighausen" municipality="Bockwinkel" name="Anti-Atlas" pageId="6" pageNumber="7">Anti-Atlas</location>
,
<location id="8EAF603F2928F641FE04243C7785FAA1" LSID="urn:lsid:plazi:treatment:03D987F22928F64FFDC020267129FD70:8EAF603F2928F641FE04243C7785FAA1" box="[511,725,1299,1325]" country="Morocco" county="Ebbighausen" municipality="Bockwinkel" name="Oued Mzerreb-W" pageId="6" pageNumber="7">Oued Mzerreb-W</location>
; bed 6, middle
<location id="8EAF603F2928F641FC63243C7151FAA1" LSID="urn:lsid:plazi:treatment:03D987F22928F64FFDC020267129FD70:8EAF603F2928F641FC63243C7151FAA1" box="[920,1025,1299,1325]" country="Morocco" county="Ebbighausen" municipality="Bockwinkel" name="Givetian" pageId="6" pageNumber="7">Givetian</location>
;
<collectorName id="268553322928F641FBEB243C71CEFAA1" box="[1040,1182,1299,1325]" pageId="6" pageNumber="7">Bockwinkel</collectorName>
and
<collectorName id="268553322928F641FB24243C7027FAA1" box="[1247,1399,1299,1325]" pageId="6" pageNumber="7">Ebbighausen</collectorName>
2004 Coll.;
<specimenCode id="DBD69E9F2928F641FEB3241974A8FADC" box="[328,504,1334,1360]" pageId="6" pageNumber="7">MB.C.31947.1</specimenCode>
(illustrated in
<figureCitation id="134B2A612928F641FD5824197651FADC" box="[675,769,1334,1360]" captionStart="Fig" captionStartId="7.[189,232,1857,1883]" captionTargetBox="[202,1383,1238,1807]" captionTargetId="figure-333@7.[201,1387,1232,1816]" captionTargetPageId="7" captionText="Fig. 4. Maenioceras afroterebratum sp. nov. A. Holotype MB.C.31947.1 from Oued Mzerreb-W, bed 6. B. Paratype MB.C.31948.1 from Oufrane-W, bed 3. C. Paratype MB.C.31947.2 from Oued Mzerreb-W, bed 6. D. Paratype MB.C.31948.2 from Oufrane-W, bed 3. E. Paratype MB.C.31947.2 from Oued Mzerreb-W, bed 6; suture line at dm = 10.0 mm. F. Paratype MB.C.31947.3 from Oued Mzerreb-W, bed 6; cross section. Scale bar units = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.10590251" httpUri="https://zenodo.org/record/10590251/files/figure.png" pageId="6" pageNumber="7">Fig. 4A</figureCitation>
).
</paragraph>
</materialsCitation>
<materialsCitation id="3B183CB92928F641FF1124577030FA39" collectionCode="MB" collectorName="Bockwinkel &amp; Ebbighausen" country="Morocco" county="Ebbighausen" location="MOROCCO" municipality="Bockwinkel" pageId="6" pageNumber="7" specimenCode="MB.C.31947.2, MB.C.31947.3, MB.C.31947.4, MB.C.31947.5, MB.C.31947.6, MB.C.31947.7, MB.C.31947.8, MB.C.31947.9, MB.C.31947.10, MB.C.31947.11, MB.C.31947.12, MB.C.31947.13, MB.C.31947.14, MB.C.31947.15, MB.C.31947.16, MB.C.31947.17, MB.C.31947.18, MB.C.31947.19, MB.C.31947.20, MB.C.31947.21, MB.C.31947.22, MB.C.31947.23 " specimenCount="22" typeStatus="paratype">
<paragraph id="8BCF36E42928F641FF1124577437FA1E" blockId="6.[189,1398,1400,1567]" box="[234,359,1400,1426]" pageId="6" pageNumber="7">
<emphasis id="B904EAF62928F641FF1124577437FA1E" bold="true" box="[234,359,1400,1426]" pageId="6" pageNumber="7">
<typeStatus id="54CB88462928F641FF1124577437FA1E" box="[234,359,1400,1426]" pageId="6" pageNumber="7" type="paratype">Paratypes</typeStatus>
</emphasis>
</paragraph>
<paragraph id="8BCF36E42928F641FF4624B471D3F993" blockId="6.[189,1398,1400,1567]" pageId="6" pageNumber="7">
<collectingCountry id="F36776742928F641FF4624B47401FA39" box="[189,337,1435,1461]" name="Morocco" pageId="6" pageNumber="7">MOROCCO</collectingCountry>
•
<specimenCount id="9D76FD6D2928F641FE8F24B474C1FA39" box="[372,401,1435,1461]" pageId="6" pageNumber="7">22</specimenCount>
specs; same collection data as for holotype;
<specimenCode id="DBD69E9F2928F641FC3F24B47123FA39" box="[964,1139,1435,1461]" pageId="6" pageNumber="7">MB.C.31947.2</specimenCode>
to
<specimenCode id="DBD69E9F2928F641FB5924B47030FA39" box="[1186,1376,1435,1461]" pageId="6" pageNumber="7">MB.C.31947.23</specimenCode>
•
<materialsCitation id="3B183CB92928F641FF46249177F9FA70" collectionCode="MB" collectorName="Bockwinkel &amp; Ebbighausen" country="Morocco" county="Ebbighausen" location="Anti-Atlas" municipality="Bockwinkel" pageId="6" pageNumber="7" specimenCode="MB.C.31948.1, MB.C.31948.2, MB.C.31948.3, MB.C.31948.4, MB.C.31948.5, MB.C.31948.6, MB.C.31948.7, MB.C.31948.8, MB.C.31948.9, MB.C.31948.10, MB.C.31948.11, MB.C.31948.12, MB.C.31948.13, MB.C.31948.14, MB.C.31948.15, MB.C.31948.16, MB.C.31948.17, MB.C.31948.18, MB.C.31948.19, MB.C.31948.20, MB.C.31948.21, MB.C.31948.22, MB.C.31948.23, MB.C.31948.24, MB.C.31948.25" specimenCount="25" typeStatus="paratype">
<specimenCount id="9D76FD6D2928F641FF462491758AFA55" box="[189,218,1470,1497]" pageId="6" pageNumber="7">25</specimenCount>
specs;
<location id="8EAF603F2928F641FECE249174E4FA54" LSID="urn:lsid:plazi:treatment:03D987F22928F64FFDC020267129FD70:8EAF603F2928F641FECE249174E4FA54" box="[309,436,1470,1496]" country="Morocco" county="Ebbighausen" municipality="Bockwinkel" name="Anti-Atlas" pageId="6" pageNumber="7">Anti-Atlas</location>
,
<location id="8EAF603F2928F641FE382491771BFA54" LSID="urn:lsid:plazi:treatment:03D987F22928F64FFDC020267129FD70:8EAF603F2928F641FE382491771BFA54" box="[451,587,1470,1496]" country="Morocco" county="Ebbighausen" municipality="Bockwinkel" name="Oufrane-W" pageId="6" pageNumber="7">Oufrane-W</location>
; bed 3, middle
<location id="8EAF603F2928F641FCF724917625FA54" LSID="urn:lsid:plazi:treatment:03D987F22928F64FFDC020267129FD70:8EAF603F2928F641FCF724917625FA54" box="[780,885,1470,1496]" country="Morocco" county="Ebbighausen" municipality="Bockwinkel" name="Givetian" pageId="6" pageNumber="7">Givetian</location>
;
<collectorName id="268553322928F641FC7824917141FA54" box="[899,1041,1470,1496]" pageId="6" pageNumber="7">Bockwinkel</collectorName>
and
<collectorName id="268553322928F641FBAB249171B8FA54" box="[1104,1256,1470,1496]" pageId="6" pageNumber="7">Ebbighausen</collectorName>
2002–2004 Coll.;
<specimenCode id="DBD69E9F2928F641FEF724CE74EBFA77" box="[268,443,1505,1531]" pageId="6" pageNumber="7">MB.C.31948.1</specimenCode>
to
<specimenCode id="DBD69E9F2928F641FE1024CE77F9FA70" box="[491,681,1505,1532]" pageId="6" pageNumber="7">MB.C.31948.25</specimenCode>
</materialsCitation>
•
<materialsCitation id="3B183CB92928F641FD3624CE712FF993" collectionCode="MB" collectorName="Bockwinkel &amp; Ebbighausen" country="Morocco" county="Ebbighausen" location="Anti-Atlas" municipality="Bockwinkel" pageId="6" pageNumber="7" specimenCode="MB.C.31949.1, MB.C.31949.2, MB.C.31949.3, MB.C.31949.4, MB.C.31949.5" specimenCount="5" typeStatus="paratype">
<specimenCount id="9D76FD6D2928F641FD3624CE778CFA70" box="[717,732,1505,1532]" pageId="6" pageNumber="7">5</specimenCount>
specs;
<location id="8EAF603F2928F641FCC024CE76EAFA77" LSID="urn:lsid:plazi:treatment:03D987F22928F64FFDC020267129FD70:8EAF603F2928F641FCC024CE76EAFA77" box="[827,954,1505,1531]" country="Morocco" county="Ebbighausen" municipality="Bockwinkel" name="Anti-Atlas" pageId="6" pageNumber="7">Anti-Atlas</location>
,
<location id="8EAF603F2928F641FC3124CE7111FA77" LSID="urn:lsid:plazi:treatment:03D987F22928F64FFDC020267129FD70:8EAF603F2928F641FC3124CE7111FA77" box="[970,1089,1505,1531]" country="Morocco" county="Ebbighausen" municipality="Bockwinkel" name="Tiguisselt" pageId="6" pageNumber="7">Tiguisselt</location>
; bed 3, middle
<location id="8EAF603F2928F641FAF224CE7022FA77" LSID="urn:lsid:plazi:treatment:03D987F22928F64FFDC020267129FD70:8EAF603F2928F641FAF224CE7022FA77" box="[1289,1394,1505,1531]" country="Morocco" county="Ebbighausen" municipality="Bockwinkel" name="Givetian" pageId="6" pageNumber="7">Givetian</location>
;
<collectorName id="268553322928F641FF46272B741BF992" box="[189,331,1540,1566]" pageId="6" pageNumber="7">Bockwinkel</collectorName>
and
<collectorName id="268553322928F641FE7F272B774CF992" box="[388,540,1540,1566]" pageId="6" pageNumber="7">Ebbighausen</collectorName>
2002–2004 Coll.;
<specimenCode id="DBD69E9F2928F641FD0C272A76F7F993" box="[759,935,1541,1567]" pageId="6" pageNumber="7">MB.C.31949.1</specimenCode>
to
<specimenCode id="DBD69E9F2928F641FC37272B712FF993" box="[972,1151,1540,1567]" pageId="6" pageNumber="7">MB.C.31949.5</specimenCode>
</materialsCitation>
.
</paragraph>
</materialsCitation>
</subSubSection>
<subSubSection id="C36A656F2928F640FF46276974A5FC1F" lastPageId="7" lastPageNumber="8" pageId="6" pageNumber="7" type="description">
<paragraph id="8BCF36E42928F641FF462769741EF9EC" blockId="6.[189,334,1606,1632]" box="[189,334,1606,1632]" pageId="6" pageNumber="7">
<heading id="D08781882928F641FF462769741EF9EC" bold="true" box="[189,334,1606,1632]" fontSize="11" level="3" pageId="6" pageNumber="7" reason="3">
<emphasis id="B904EAF62928F641FF462769741EF9EC" bold="true" box="[189,334,1606,1632]" pageId="6" pageNumber="7">Description</emphasis>
</heading>
</paragraph>
<paragraph id="8BCF36E42928F641FF46275B7465F824" blockId="6.[188,1400,1652,1960]" pageId="6" pageNumber="7">
<typeStatus id="54CB88462928F641FF46275B747AF902" box="[189,298,1652,1678]" pageId="6" pageNumber="7" type="holotype">Holotype</typeStatus>
MB.C.31947.1 is a partly corroded limonitic internal mould with
<quantity id="4C889B012928F641FBA7275B71E3F903" box="[1116,1203,1652,1679]" metricMagnitude="-2" metricUnit="m" metricValue="1.7" pageId="6" pageNumber="7" unit="mm" value="17.0">17 mm</quantity>
conch diameter (
<figureCitation id="134B2A612928F641FF3D27B87474F93E" box="[198,292,1687,1714]" captionStart="Fig" captionStartId="7.[189,232,1857,1883]" captionTargetBox="[202,1383,1238,1807]" captionTargetId="figure-333@7.[201,1387,1232,1816]" captionTargetPageId="7" captionText="Fig. 4. Maenioceras afroterebratum sp. nov. A. Holotype MB.C.31947.1 from Oued Mzerreb-W, bed 6. B. Paratype MB.C.31948.1 from Oufrane-W, bed 3. C. Paratype MB.C.31947.2 from Oued Mzerreb-W, bed 6. D. Paratype MB.C.31948.2 from Oufrane-W, bed 3. E. Paratype MB.C.31947.2 from Oued Mzerreb-W, bed 6; suture line at dm = 10.0 mm. F. Paratype MB.C.31947.3 from Oued Mzerreb-W, bed 6; cross section. Scale bar units = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.10590251" httpUri="https://zenodo.org/record/10590251/files/figure.png" pageId="6" pageNumber="7">Fig. 4A</figureCitation>
). The conch is thinly discoidal and involute (ww/dm = 0.40; uw/dm = 0.13) with a low coiling rate (WER ~1.70). The whorl profile is weakly compressed (ww/wh = 0.90); the flanks are slightly flattened and converge towards the pronounced ventrolateral shoulder, which is accompanied by a faint spiral groove, which begins at about
<quantity id="4C889B012928F641FD8E262E7799F890" box="[629,713,1793,1820]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="6" pageNumber="7" unit="mm" value="10.0">10 mm</quantity>
conch diameter and becomes distinct at
<quantity id="4C889B012928F641FB55262E7052F890" box="[1198,1282,1793,1820]" metricMagnitude="-2" metricUnit="m" metricValue="1.5" pageId="6" pageNumber="7" unit="mm" value="15.0">15 mm</quantity>
diameter. The venter is broadly convex and becomes flattened during the last preserved volution. Growth lines are only poorly preserved as imprints on the internal mould, which appears to be smooth. The phragmocone consists of about 18 chambers in the last preserved volution; there is a rather clear trend toward shorter chambers.
</paragraph>
<paragraph id="8BCF36E42929F640FF46202677AFFDB0" blockId="7.[188,1400,265,573]" pageId="7" pageNumber="8">
<typeStatus id="54CB88462929F640FF4620267474FEAF" box="[189,292,265,291]" pageId="7" pageNumber="8" type="paratype">Paratype</typeStatus>
MB.C.31947.2 is a well-preserved specimen with
<quantity id="4C889B012929F640FC6B202676ACFEAF" box="[912,1020,265,292]" metricMagnitude="-2" metricUnit="m" metricValue="1.05" pageId="7" pageNumber="8" unit="mm" value="10.5">10.5 mm</quantity>
conch diameter (
<figureCitation id="134B2A612929F640FB2A20267062FEAF" box="[1233,1330,265,291]" captionStart="Fig" captionStartId="7.[189,232,1857,1883]" captionTargetBox="[202,1383,1238,1807]" captionTargetId="figure-333@7.[201,1387,1232,1816]" captionTargetPageId="7" captionText="Fig. 4. Maenioceras afroterebratum sp. nov. A. Holotype MB.C.31947.1 from Oued Mzerreb-W, bed 6. B. Paratype MB.C.31948.1 from Oufrane-W, bed 3. C. Paratype MB.C.31947.2 from Oued Mzerreb-W, bed 6. D. Paratype MB.C.31948.2 from Oufrane-W, bed 3. E. Paratype MB.C.31947.2 from Oued Mzerreb-W, bed 6; suture line at dm = 10.0 mm. F. Paratype MB.C.31947.3 from Oued Mzerreb-W, bed 6; cross section. Scale bar units = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.10590251" httpUri="https://zenodo.org/record/10590251/files/figure.png" pageId="7" pageNumber="8">Fig. 4C</figureCitation>
). The conch is thickly discoidal and subinvolute (ww/dm = 0.50; uw/dm = 0.24) with moderately high coiling rate (WER ~1.82). The whorl profile is weakly depressed (ww/wh = 1.16); it shows very slightly convex flanks that converge towards the subangular ventrolateral shoulder. This is accompanied by a faint spiral groove. Traces of growth lines are visible on the internal mould; they are coarse, lamellar with strongly biconvex course. The suture line has, at approximately
<quantity id="4C889B012929F640FC4620967141FE5F" box="[957,1041,441,467]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="7" pageNumber="8" unit="mm" value="10.0">10 mm</quantity>
conch diameter, an extremely wide external lobe with a very shallow, asymmetrically rounded E
<subScript id="17F434A12929F640FC3B20C07699FE71" attach="left" box="[960,969,495,509]" fontSize="6" pageId="7" pageNumber="8">2</subScript>
lobe. On the flank follow a narrowly rounded ventrolateral saddle and a V-shaped, blunt lateral lobe (
<figureCitation id="134B2A612929F640FC5620D0715AFD95" box="[941,1034,511,537]" captionStart="Fig" captionStartId="7.[189,232,1857,1883]" captionTargetBox="[202,1383,1238,1807]" captionTargetId="figure-333@7.[201,1387,1232,1816]" captionTargetPageId="7" captionText="Fig. 4. Maenioceras afroterebratum sp. nov. A. Holotype MB.C.31947.1 from Oued Mzerreb-W, bed 6. B. Paratype MB.C.31948.1 from Oufrane-W, bed 3. C. Paratype MB.C.31947.2 from Oued Mzerreb-W, bed 6. D. Paratype MB.C.31948.2 from Oufrane-W, bed 3. E. Paratype MB.C.31947.2 from Oued Mzerreb-W, bed 6; suture line at dm = 10.0 mm. F. Paratype MB.C.31947.3 from Oued Mzerreb-W, bed 6; cross section. Scale bar units = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.10590251" httpUri="https://zenodo.org/record/10590251/files/figure.png" pageId="7" pageNumber="8">Fig. 4E</figureCitation>
). The phragmocone consists of about 14 chambers in the last preserved volution.
</paragraph>
<paragraph id="8BCF36E42929F640FF46234A7725FD49" blockId="7.[189,1401,612,709]" pageId="7" pageNumber="8">
<typeStatus id="54CB88462929F640FF46234A747FFDF3" box="[189,303,613,639]" pageId="7" pageNumber="8" type="paratype">Paratypes</typeStatus>
MB.C.31948.1 (
<quantity id="4C889B012929F640FE01234B7736FDF3" box="[506,614,612,639]" metricMagnitude="-2" metricUnit="m" metricValue="1.35" pageId="7" pageNumber="8" unit="mm" value="13.5">13.5 mm</quantity>
dm;
<figureCitation id="134B2A612929F640FD5C234B7652FDF2" box="[679,770,612,638]" captionStart="Fig" captionStartId="7.[189,232,1857,1883]" captionTargetBox="[202,1383,1238,1807]" captionTargetId="figure-333@7.[201,1387,1232,1816]" captionTargetPageId="7" captionText="Fig. 4. Maenioceras afroterebratum sp. nov. A. Holotype MB.C.31947.1 from Oued Mzerreb-W, bed 6. B. Paratype MB.C.31948.1 from Oufrane-W, bed 3. C. Paratype MB.C.31947.2 from Oued Mzerreb-W, bed 6. D. Paratype MB.C.31948.2 from Oufrane-W, bed 3. E. Paratype MB.C.31947.2 from Oued Mzerreb-W, bed 6; suture line at dm = 10.0 mm. F. Paratype MB.C.31947.3 from Oued Mzerreb-W, bed 6; cross section. Scale bar units = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.10590251" httpUri="https://zenodo.org/record/10590251/files/figure.png" pageId="7" pageNumber="8">Fig. 4B</figureCitation>
) and MB.C.31948.2 (
<quantity id="4C889B012929F640FBF1234B7130FDF3" box="[1034,1120,612,639]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="7" pageNumber="8" unit="mm" value="10.0">10 mm</quantity>
dm;
<figureCitation id="134B2A612929F640FB5B234B71ADFDF2" box="[1184,1277,612,638]" captionStart="Fig" captionStartId="7.[189,232,1857,1883]" captionTargetBox="[202,1383,1238,1807]" captionTargetId="figure-333@7.[201,1387,1232,1816]" captionTargetPageId="7" captionText="Fig. 4. Maenioceras afroterebratum sp. nov. A. Holotype MB.C.31947.1 from Oued Mzerreb-W, bed 6. B. Paratype MB.C.31948.1 from Oufrane-W, bed 3. C. Paratype MB.C.31947.2 from Oued Mzerreb-W, bed 6. D. Paratype MB.C.31948.2 from Oufrane-W, bed 3. E. Paratype MB.C.31947.2 from Oued Mzerreb-W, bed 6; suture line at dm = 10.0 mm. F. Paratype MB.C.31947.3 from Oued Mzerreb-W, bed 6; cross section. Scale bar units = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.10590251" httpUri="https://zenodo.org/record/10590251/files/figure.png" pageId="7" pageNumber="8">Fig. 4D</figureCitation>
) agree, in their conch morphology, with the
<typeStatus id="54CB88462929F640FDA323A877EFFD2D" box="[600,703,647,673]" pageId="7" pageNumber="8" type="holotype">holotype</typeStatus>
and the above described
<typeStatus id="54CB88462929F640FC0823A7710CFD2E" box="[1011,1116,648,674]" pageId="7" pageNumber="8" type="paratype">paratype</typeStatus>
. However, they possess only very weak longitudinal grooves.
</paragraph>
<paragraph id="8BCF36E42929F640FF4623C374A5FC1F" blockId="7.[189,1399,748,915]" pageId="7" pageNumber="8">
<typeStatus id="54CB88462929F640FF4623C37474FC8A" box="[189,292,748,774]" pageId="7" pageNumber="8" type="paratype">Paratype</typeStatus>
MB.C.31947.3 was used for a cross section (
<figureCitation id="134B2A612929F640FCB423C376FCFC8A" box="[847,940,748,774]" captionStart="Fig" captionStartId="7.[189,232,1857,1883]" captionTargetBox="[202,1383,1238,1807]" captionTargetId="figure-333@7.[201,1387,1232,1816]" captionTargetPageId="7" captionText="Fig. 4. Maenioceras afroterebratum sp. nov. A. Holotype MB.C.31947.1 from Oued Mzerreb-W, bed 6. B. Paratype MB.C.31948.1 from Oufrane-W, bed 3. C. Paratype MB.C.31947.2 from Oued Mzerreb-W, bed 6. D. Paratype MB.C.31948.2 from Oufrane-W, bed 3. E. Paratype MB.C.31947.2 from Oued Mzerreb-W, bed 6; suture line at dm = 10.0 mm. F. Paratype MB.C.31947.3 from Oued Mzerreb-W, bed 6; cross section. Scale bar units = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.10590251" httpUri="https://zenodo.org/record/10590251/files/figure.png" pageId="7" pageNumber="8">Fig. 4F</figureCitation>
). It shows, at
<quantity id="4C889B012929F640FBA123C371E0FC8A" box="[1114,1200,748,774]" metricMagnitude="-2" metricUnit="m" metricValue="1.2" pageId="7" pageNumber="8" unit="mm" value="12.0">12 mm</quantity>
conch diameter, a thickly discoidal and subinvolute conch (ww/dm = 0.51; uw/dm = 0.24) with low coiling rate (WER ~1.62). The whorl profile is weakly depressed (ww/dm = 1.11); it is remarkable for its flattened flanks, which are even weakly concave near the umbilicus. The flanks are weakly convergent and the venter is slightly flattened.
</paragraph>
</subSubSection>
<subSubSection id="C36A656F2929F64FFF4622957129FD70" lastPageId="8" lastPageNumber="9" pageId="7" pageNumber="8" type="discussion">
<paragraph id="8BCF36E42929F640FF462295747FFC58" blockId="7.[189,303,954,980]" box="[189,303,954,980]" pageId="7" pageNumber="8">
<heading id="D08781882929F640FF462295747FFC58" bold="true" box="[189,303,954,980]" fontSize="11" level="3" pageId="7" pageNumber="8" reason="3">
<emphasis id="B904EAF62929F640FF462295747FFC58" bold="true" box="[189,303,954,980]" pageId="7" pageNumber="8">Remarks</emphasis>
</heading>
</paragraph>
<paragraph id="8BCF36E42929F64FFF4622C67129FD70" blockId="7.[189,1399,1001,1165]" lastBlockId="8.[188,1398,704,765]" lastPageId="8" lastPageNumber="9" pageId="7" pageNumber="8">
<taxonomicName id="4C704D672929F640FF4622C67742FB8F" authority="Bockwinkel &amp; Korn, 2024" authorityName="Bockwinkel &amp; Korn" authorityYear="2024" box="[189,530,1001,1027]" class="Cephalopoda" family="Maenioceratidae" genus="Maenioceras" kingdom="Animalia" pageId="7" pageNumber="8" phylum="Mollusca" rank="species" species="afroterebratum" status="sp. nov.">
<emphasis id="B904EAF62929F640FF4622C67742FB8F" box="[189,530,1001,1027]" italics="true" pageId="7" pageNumber="8">Maenioceras afroterebratum</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A237578D2929F640FDE722C6772AFB8F" box="[540,634,1001,1027]" pageId="7" pageNumber="8" rank="species">sp. nov.</taxonomicNameLabel>
is similar to
<taxonomicName id="4C704D672929F640FCDB22C6769CFB8F" box="[800,972,1001,1027]" class="Cephalopoda" family="Maenioceratidae" genus="Maenioceras" kingdom="Animalia" pageId="7" pageNumber="8" phylum="Mollusca" rank="species" species="terebratum">
<emphasis id="B904EAF62929F640FCDB22C6769CFB8F" box="[800,972,1001,1027]" italics="true" pageId="7" pageNumber="8">M. terebratum</emphasis>
</taxonomicName>
and
<taxonomicName id="4C704D672929F640FBF722C671C9FB8E" authorityName="Korn &amp; Bockwinkel" authorityYear="2021" box="[1036,1177,1001,1026]" class="Cephalopoda" family="Maenioceratidae" genus="Maenioceras" kingdom="Animalia" pageId="7" pageNumber="8" phylum="Mollusca" rank="species" species="ornatum">
<emphasis id="B904EAF62929F640FBF722C671C9FB8E" box="[1036,1177,1001,1026]" italics="true" pageId="7" pageNumber="8">M. ornatum</emphasis>
</taxonomicName>
from the Rhenish Mountains. However, the lateral lobe is broadly rounded and the ventrolateral saddle is narrowly rounded in the new species, while both are subacute in
<taxonomicName id="4C704D672929F640FC952500714BFBC4" box="[878,1051,1070,1096]" class="Cephalopoda" family="Maenioceratidae" genus="Maenioceras" kingdom="Animalia" pageId="7" pageNumber="8" phylum="Mollusca" rank="species" species="terebratum">
<emphasis id="B904EAF62929F640FC952500714BFBC4" box="[878,1051,1070,1096]" italics="true" pageId="7" pageNumber="8">M. terebratum</emphasis>
</taxonomicName>
(
<bibRefCitation id="EFE14B152929F640FBD525017023FBC4" author="Korn D. &amp; Bockwinkel J." box="[1070,1395,1070,1096]" pageId="7" pageNumber="8" pagination="1 - 79" refId="ref16990" refString="Korn D. &amp; Bockwinkel J. 2021. The pharciceratid ammonoids from the Roteisenstein Formation of Dillenburg (Cephalopoda, Ammonoidea). European Journal of Taxonomy 771: 1 - 79. https: // doi. org / 10.5852 / ejt. 2021.771.1503" type="journal article" year="2021">Korn &amp; Bockwinkel 2021</bibRefCitation>
: text-fig. 4b) and even acute in
<taxonomicName id="4C704D672929F640FDDF257E77FFFBE6" authorityName="Korn &amp; Bockwinkel" authorityYear="2021" box="[548,687,1105,1130]" class="Cephalopoda" family="Maenioceratidae" genus="Maenioceras" kingdom="Animalia" pageId="7" pageNumber="8" phylum="Mollusca" rank="species" species="ornatum">
<emphasis id="B904EAF62929F640FDDF257E77FFFBE6" box="[548,687,1105,1130]" italics="true" pageId="7" pageNumber="8">M. ornatum</emphasis>
</taxonomicName>
(
<bibRefCitation id="EFE14B152929F640FD45257F762BFBE7" author="Holzapfel E." box="[702,891,1104,1131]" pageId="7" pageNumber="8" pagination="1 - 460" refId="ref16671" refString="Holzapfel E. 1895. Das Obere Miteldevon (Schichten mit Stringocephalus Burtini und Maeneceras terebratum) im Rheinischen Gebirge. Abhandlungen der Koniglich Preussischen geologischen Landesanstalt, Neue Folge 16: 1 - 460. Available from https: // www. biodiversitylibrary. org / page / 35736605 [accessed 1 Dec. 2023]." type="journal article" year="1895">Holzapfel 1895</bibRefCitation>
: pl. 6 fig. 6c).
<taxonomicName id="4C704D672929F640FBDE257E7026FBE6" authorityName="Bockwinkel &amp; Korn" authorityYear="2024" box="[1061,1398,1104,1130]" class="Cephalopoda" family="Maenioceratidae" genus="Maenioceras" kingdom="Animalia" pageId="7" pageNumber="8" phylum="Mollusca" rank="species" species="afroterebratum">
<emphasis id="B904EAF62929F640FBDE257E7026FBE6" box="[1061,1398,1104,1130]" italics="true" pageId="7" pageNumber="8">Maenioceras afroterebratum</emphasis>
</taxonomicName>
differs by the much stouter conch and the more widely rounded venter from
<taxonomicName id="4C704D672929F640FBD7255C7183FB00" authority="Bockwinkel &amp; Korn, 2024" authorityName="Bockwinkel &amp; Korn" authorityYear="2024" box="[1068,1235,1138,1164]" class="Cephalopoda" family="Maenioceratidae" genus="Maenioceras" kingdom="Animalia" pageId="7" pageNumber="8" phylum="Mollusca" rank="species" species="oufranense" status="sp. nov.">
<emphasis id="B904EAF62929F640FBD7255C7183FB00" box="[1068,1235,1138,1164]" italics="true" pageId="7" pageNumber="8">M. oufranense</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A237578D2929F640FB21255C7063FB01" box="[1242,1331,1139,1165]" pageId="7" pageNumber="8" rank="species">sp. nov.</taxonomicNameLabel>
(ww/ dm ~ 0.35). Finally,
<taxonomicName id="4C704D672926F64FFE6423EE772AFD56" authorityName="Bockwinkel &amp; Korn" authorityYear="2024" box="[415,634,704,730]" class="Cephalopoda" family="Maenioceratidae" genus="Maenioceras" kingdom="Animalia" pageId="8" pageNumber="9" phylum="Mollusca" rank="species" species="afroterebratum">
<emphasis id="B904EAF62926F64FFE6423EE772AFD56" box="[415,634,704,730]" italics="true" pageId="8" pageNumber="9">M. afroterebratum</emphasis>
</taxonomicName>
is more slender and more involute (ww/dm~ 0. 50; uw/dm~0.25) than
<taxonomicName id="4C704D672926F64FFF0C23CC74E1FD70" authority="Bockwinkel &amp; Korn, 2024" authorityName="Bockwinkel &amp; Korn" authorityYear="2024" box="[247,433,738,764]" class="Cephalopoda" family="Maenioceratidae" genus="Maenioceras" kingdom="Animalia" pageId="8" pageNumber="9" phylum="Mollusca" rank="species" species="mzerrebense" status="sp. nov.">
<emphasis id="B904EAF62926F64FFF0C23CC74E1FD70" box="[247,433,738,764]" italics="true" pageId="8" pageNumber="9">M. mzerrebense</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A237578D2926F64FFE4323CD7743FD70" box="[440,531,738,764]" pageId="8" pageNumber="9" rank="species">sp. nov.</taxonomicNameLabel>
(ww/dm~ 0.65; uw/dm~0.30) at a comparable size.
</paragraph>
</subSubSection>
</treatment>
</document>
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