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<document id="DBF89BD3E25E094D1E91E05A96161AC6" ID-CLB-Dataset="20271" ID-DOI="10.5852/ejt.2022.799.1681" ID-GBIF-Dataset="f53d5465-7162-45d6-892b-dfc0b8d99789" ID-ISSN="2118-9773" ID-Zenodo-Dep="6341270" ID-ZooBank="F52DBAB0-38C7-400F-9BA1-E2D8E6B19E7E" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1646831675572" checkinUser="felipe" docAuthor="Aubrechtová, Martina &amp; Korn, Dieter" docDate="2022" docId="03FE5868FFAE3D06DD08FDA0FDD8FA23" docLanguage="en" docName="ejt-799_1-108.pdf" docOrigin="European Journal of Taxonomy 799 (1)" docSource="http://dx.doi.org/10.5852/ejt.2022.799.1681" docStyle="DocumentStyle:EF2B578F1D15862ADE45B0C07C620911.14:EJT.2018-.journal_article.type1" docStyleId="EF2B578F1D15862ADE45B0C07C620911" docStyleName="EJT.2018-.journal_article.type1" docStyleVersion="14" docTitle="Trilacinoceras filix Aubrechtová &amp; Korn 2022, sp. nov." docType="treatment" docUuid="76E53596-0229-4CB3-A62F-E12F3A296FEB" docUuidSource="ZooBank" docVersion="10" lastPageNumber="94" masterDocId="FFC72010FFF53D5BDF7EFF83FFE3FFD1" masterDocTitle="Taxonomy and ontogeny of the Lituitida (Cephalopoda) from Orthoceratite Limestone erratics (Middle Ordovician)" masterLastPageNumber="108" masterPageNumber="1" pageNumber="92" updateTime="1699317703155" 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="F375294FBEB036F73E5FE4E667B7A2D1">Taxonomy and ontogeny of the Lituitida (Cephalopoda) from Orthoceratite Limestone erratics (Middle Ordovician)</mods:title>
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<mods:namePart id="28F5F6BE008771E266AA2BBE38D1DE77">Aubrechtová, Martina</mods:namePart>
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<mods:affiliation id="61744C0673C4003C37219CA9992A0637">Institute of Geology and Palaeontology, Faculty of Science, Charles University Prague, Albertov 6, Prague, 12843, Czech Republic. &amp; Institute of Geology, Czech Academy of Sciences, Rozvojová 269, Prague, 16500, Czech Republic.</mods:affiliation>
<mods:nameIdentifier id="BE304B63F7F3F63EE2761EF3D579F453" type="email">aubrech1@natur.cuni.cz,aubrechtova@gli.cas.cz</mods:nameIdentifier>
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<mods:namePart id="075C82AAF7F3A1C849B2DADC681B7589">Korn, Dieter</mods:namePart>
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<mods:affiliation id="4AC5CB50BD3421C9D14C2B799F95D54E">Museum für Naturkunde, Leibniz-Institut für Evolutions- und Biodiversitätsforschung, Invalidenstrasse 43, 10115 Berlin, Germany.</mods:affiliation>
<mods:nameIdentifier id="1752ECD8E5D62BF7E35D839EC316B0D5" type="email">dieter.korn@mfn.berlin</mods:nameIdentifier>
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<mods:title id="2B7254C9DEF4F521F3872809E4CFE3AA">European Journal of Taxonomy</mods:title>
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<mods:date id="43293C5CF13A6254C2486BFCDC29A72E">2022</mods:date>
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<treatment id="03FE5868FFAE3D06DD08FDA0FDD8FA23" ID-DOI="http://doi.org/10.5281/zenodo.6347634" ID-GBIF-Taxon="193941454" ID-Zenodo-Dep="6347634" LSID="urn:lsid:zoobank.org:act:76E53596-0229-4CB3-A62F-E12F3A296FEB" httpUri="http://treatment.plazi.org/id/03FE5868FFAE3D06DD08FDA0FDD8FA23" lastPageId="93" lastPageNumber="94" pageId="91" pageNumber="92">
<subSubSection id="C34DBAF5FFAE3D00DD08FDA0FC5DFDEE" box="[630,958,547,575]" pageId="91" pageNumber="92" type="nomenclature">
<paragraph id="8BE8E97EFFAE3D00DD08FDA0FC5DFDEE" blockId="91.[372,1216,547,645]" box="[630,958,547,575]" pageId="91" pageNumber="92">
<heading id="D0A05E12FFAE3D00DD08FDA0FC5DFDEE" box="[630,958,547,575]" centered="true" fontSize="11" level="2" pageId="91" pageNumber="92" reason="2">
<taxonomicName id="4C5792FDFFAE3D00DD08FDA0FCB8FDEF" authority="Aubrechtová &amp; Korn, 2022" authorityName="Aubrechtová &amp; Korn" authorityYear="2022" box="[630,859,547,574]" class="Cephalopoda" family="Lituitidae" genus="Trilacinoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Orthocerida" pageId="91" pageNumber="92" phylum="Mollusca" rank="species" species="filix" status="sp. nov.">
<emphasis id="B923356CFFAE3D00DD08FDA0FCB8FDEF" bold="true" box="[630,859,547,574]" italics="true" pageId="91" pageNumber="92">Trilacinoceras filix</emphasis>
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<taxonomicNameLabel id="A2108817FFAE3D00DC1DFDA6FC5DFDEE" box="[867,958,549,575]" pageId="91" pageNumber="92" rank="species">sp. nov.</taxonomicNameLabel>
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urn:lsid:zoobank.org:act:
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<paragraph id="8BE8E97EFFAE3D00DD06FDE9FC5FFD54" blockId="91.[372,1216,547,645]" box="[632,956,618,645]" pageId="91" pageNumber="92">
<figureCitation id="136CF5FBFFAE3D00DD06FDE9FD04FD55" box="[632,743,618,644]" captionStart="Fig" captionStartId="92.[189,232,1733,1759]" captionTargetBox="[225,1361,278,1639]" captionTargetId="figure-15@92.[206,1381,268,1653]" captionTargetPageId="92" captionText="Fig. 69. Species of Trilacinoceras Sweet, 1958. A. Trilacinoceras filix sp. nov., holotype MB.C.30557 (Neben &amp; Krueger 1961 Coll.) from the Upper Grey Orthoceratite Limestone of Rerik (Ostsee) (Mecklenburg-Vorpommern); previously figured by Neben &amp; Krueger (1971: pl. 31 fig. 4). B. Trilacinoceras cf. hunanense Lai &amp; Qi, 1977, specimen MB.C.29655 (Bottke Coll.) from the Datianba Formation of Songtao County (Guizhou, South China). Scale bar units = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.6341424" httpUri="https://zenodo.org/record/6341424/files/figure.png" pageId="91" pageNumber="92">Figs 69A</figureCitation>
,
<figureCitation id="136CF5FBFFAE3D00DD8DFDE8FCF0FD54" box="[755,787,619,645]" captionStart="Fig" captionStartId="93.[189,232,1920,1946]" captionTargetBox="[397,1190,1616,1844]" captionTargetId="figure-384@93.[393,1194,1609,1851]" captionTargetPageId="93" captionText="Fig. 70. Trilacinoceras filix sp. nov., chamber length/whorl height of holotype MB.C.30557 (Neben &amp; Krueger Coll.) from Rerik (Ostsee) (Mecklenburg-Vorpommern). A. Empirical data. B. Three data point averaged." figureDoi="http://doi.org/10.5281/zenodo.6341426" httpUri="https://zenodo.org/record/6341426/files/figure.png" pageId="91" pageNumber="92">70</figureCitation>
,
<tableCitation id="C6D5DCC5FFAE3D00DC61FDE9FC5FFD54" box="[799,956,618,645]" captionStart-0="Table 12" captionStart-1="Table 13" captionStartId-0="90.[189,259,265,291]" captionStartId-1="93.[189,259,265,291]" captionTargetPageId-0="90" captionTargetPageId-1="93" captionText-0="Table 12. Conch measurements (in mm), ratios and rates of coiled conch parts of Trilacinoceras Sweet, 1958." captionText-1="Table 13. Conch measurements (in mm), and expansion rates of uncoiled conch parts of Trilacinoceras Sweet, 1958." pageId="91" pageNumber="92">Tables 12–13</tableCitation>
</paragraph>
</subSubSection>
<subSubSection id="C34DBAF5FFAE3D00DFC3FD2EFCEFFD38" pageId="91" pageNumber="92" type="reference_group">
<paragraph id="8BE8E97EFFAE3D00DFC3FD2EFC9FFD17" blockId="91.[189,892,684,746]" box="[189,892,684,710]" pageId="91" pageNumber="92">
<treatmentCitationGroup id="AB47CE50FFAE3D00DFC3FD2EFC9FFD17" box="[189,892,684,710]" pageId="91" pageNumber="92">
<taxonomicName id="4C5792FDFFAE3D00DFC3FD2EFE4DFD17" authorityName="Wahlenberg" authorityYear="1818" box="[189,430,684,710]" class="Cephalopoda" family="Lituitidae" genus="Lituites" higherTaxonomySource="GBIF" isUncertain="true" kingdom="Animalia" order="Orthocerida" pageId="91" pageNumber="92" phylum="Mollusca" rank="species" species="perfectus">
<emphasis id="B923356CFFAE3D00DFC3FD2EFEF6FD17" box="[189,277,685,710]" italics="true" pageId="91" pageNumber="92">Lituites</emphasis>
cf.
<emphasis id="B923356CFFAE3D00DE3CFD2FFE4DFD17" box="[322,430,684,710]" italics="true" pageId="91" pageNumber="92">perfectus</emphasis>
</taxonomicName>
–
<treatmentCitation id="0AF6CF6FFFAE3D00DEB5FD2FFC9FFD17" author="Neben &amp; Krueger" box="[459,892,684,710]" pageId="91" pageNumber="92" year="1971">
<bibRefCitation id="EFC6948FFFAE3D00DEB5FD2FFD00FD17" author="Neben W. &amp; Krueger H. - H." box="[459,739,684,710]" pageId="91" pageNumber="92" pagination="1 - 50" refId="ref48602" refString="Neben W. &amp; Krueger H. - H. 1971. Fossilien ordovizischer Geschiebe. Staringia 1: 1 - 50." type="journal article" year="1971">Neben &amp; Krueger 1971</bibRefCitation>
: pl. 31 fig. 4.
</treatmentCitation>
</treatmentCitationGroup>
</paragraph>
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<treatmentCitationGroup id="AB47CE50FFAE3D00DFC3FD53FCEFFD38" box="[189,780,719,746]" pageId="91" pageNumber="92">
<taxonomicName id="4C5792FDFFAE3D00DFC3FD53FEDDFD3B" box="[189,318,720,746]" class="Cephalopoda" family="Lituitidae" genus="Lituites" kingdom="Animalia" order="Orthocerida" pageId="91" pageNumber="92" phylum="Mollusca" rank="species" species="undetermined">
<emphasis id="B923356CFFAE3D00DFC3FD53FEF6FD38" box="[189,277,720,745]" italics="true" pageId="91" pageNumber="92">Lituites</emphasis>
sp.
</taxonomicName>
–
<treatmentCitation id="0AF6CF6FFFAE3D00DE25FD4CFCEFFD38" author="Neben &amp; Krueger" box="[347,780,719,746]" pageId="91" pageNumber="92" year="1971">
<bibRefCitation id="EFC6948FFFAE3D00DE25FD4CFD97FD38" author="Neben W. &amp; Krueger H. - H." box="[347,628,719,746]" pageId="91" pageNumber="92" pagination="1 - 50" refId="ref48602" refString="Neben W. &amp; Krueger H. - H. 1971. Fossilien ordovizischer Geschiebe. Staringia 1: 1 - 50." type="journal article" year="1971">Neben &amp; Krueger 1971</bibRefCitation>
: pl. 31 fig. 6.
</treatmentCitation>
</treatmentCitationGroup>
</paragraph>
</subSubSection>
<subSubSection id="C34DBAF5FFAE3D00DFC3FC93FEB1FC37" pageId="91" pageNumber="92" type="diagnosis">
<paragraph id="8BE8E97EFFAE3D00DFC3FC93FED5FCFB" blockId="91.[189,310,784,810]" box="[189,310,784,810]" pageId="91" pageNumber="92">
<heading id="D0A05E12FFAE3D00DFC3FC93FED5FCFB" bold="true" box="[189,310,784,810]" fontSize="11" level="3" pageId="91" pageNumber="92" reason="3">
<emphasis id="B923356CFFAE3D00DFC3FC93FED5FCFB" bold="true" box="[189,310,784,810]" pageId="91" pageNumber="92">Diagnosis</emphasis>
</heading>
</paragraph>
<paragraph id="8BE8E97EFFAE3D00DFC3FCBCFEB1FC37" blockId="91.[189,1399,831,998]" pageId="91" pageNumber="92">
Species of
<taxonomicName id="4C5792FDFFAE3D00DE39FCBCFE11FC88" authorityName="Sweet" authorityYear="1958" box="[327,498,831,857]" class="Cephalopoda" family="Lituitidae" genus="Trilacinoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Orthocerida" pageId="91" pageNumber="92" phylum="Mollusca" rank="genus">
<emphasis id="B923356CFFAE3D00DE39FCBCFE11FC88" box="[327,498,831,857]" italics="true" pageId="91" pageNumber="92">Trilacinoceras</emphasis>
</taxonomicName>
with an openly coiled conch,
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in diameter. Whorl profile slightly compressed throughout ontogeny. Backcoiled part of the conch moderately curved. Juvenile expansion angle &lt;1°, later in ontogeny up to 5°. Shell ornament with narrow annuli (up to
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in distance) and fine lirae in between; rectiradiate direction with low dorsal projection, deep ventral sinus and shallow lateral sinus.
</paragraph>
</subSubSection>
<subSubSection id="C34DBAF5FFAE3D00DFC3FB8EFDE4FBA8" pageId="91" pageNumber="92" type="etymology">
<paragraph id="8BE8E97EFFAE3D00DFC3FB8EFEA7FBF6" blockId="91.[189,324,1037,1063]" box="[189,324,1037,1063]" pageId="91" pageNumber="92">
<heading id="D0A05E12FFAE3D00DFC3FB8EFEA7FBF6" bold="true" box="[189,324,1037,1063]" fontSize="11" level="3" pageId="91" pageNumber="92" reason="3">
<emphasis id="B923356CFFAE3D00DFC3FB8EFEA7FBF6" bold="true" box="[189,324,1037,1063]" pageId="91" pageNumber="92">Etymology</emphasis>
</heading>
</paragraph>
<paragraph id="8BE8E97EFFAE3D00DFC3FBBFFDE4FBA8" blockId="91.[189,1398,1084,1146]" pageId="91" pageNumber="92">
From the Latin ‘
<taxonomicName id="4C5792FDFFAE3D00DEFDFBBFFE4CFB87" authorityName="Aubrechtová &amp; Korn" authorityYear="2022" box="[387,431,1084,1110]" class="Cephalopoda" family="Lituitidae" genus="Trilacinoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Orthocerida" pageId="91" pageNumber="92" phylum="Mollusca" rank="species" species="filix">
<emphasis id="B923356CFFAE3D00DEFDFBBFFE4CFB87" box="[387,431,1084,1110]" italics="true" pageId="91" pageNumber="92">filix</emphasis>
</taxonomicName>
’ = ‘fern’, referring to the shape of the
<typeStatus id="54EC57DCFFAE3D00DCFCFBBFFC0FFB87" box="[898,1004,1084,1110]" pageId="91" pageNumber="92" type="holotype">holotype</typeStatus>
, which resembles the convoluted young leaves of some ferns.
</paragraph>
</subSubSection>
<subSubSection id="C34DBAF5FFAE3D00DFC3FB22FEBDFA0A" pageId="91" pageNumber="92" type="materials_examined">
<paragraph id="8BE8E97EFFAE3D00DFC3FB22FE8FFB6B" blockId="91.[189,364,1184,1211]" box="[189,364,1184,1211]" pageId="91" pageNumber="92">
<heading id="D0A05E12FFAE3D00DFC3FB22FE8FFB6B" bold="true" box="[189,364,1184,1211]" fontSize="11" level="3" pageId="91" pageNumber="92" reason="3">
<emphasis id="B923356CFFAE3D00DFC3FB22FE8FFB6B" bold="true" box="[189,364,1184,1211]" pageId="91" pageNumber="92">Type material</emphasis>
</heading>
</paragraph>
<paragraph id="8BE8E97EFFAE3D00DF94FB4CFB20FA82" blockId="91.[189,1398,1231,1363]" pageId="91" pageNumber="92">
<materialsCitation id="3B3FE323FFAE3D00DF94FB4CFB20FA82" ID-GBIF-Occurrence="3700114346" collectionCode="MB" collectorName="Neben &amp; Krueger" country="Germany" county="Rerik" location="Rerik" municipality="Ordovician" pageId="91" pageNumber="92" specimenCode="MB.C.30557" specimenCount="1" stateProvince="Mecklenburg-Vorpommern" typeStatus="holotype">
<emphasis id="B923356CFFAE3D00DF94FB4CFEBFFB38" bold="true" box="[234,348,1231,1257]" pageId="91" pageNumber="92">
<typeStatus id="54EC57DCFFAE3D00DF94FB4CFEBFFB38" box="[234,348,1231,1257]" pageId="91" pageNumber="92" type="holotype">Holotype</typeStatus>
</emphasis>
<collectingCountry id="F340A9EEFFAE3D00DFC3FB71FEB3FADD" box="[189,336,1266,1292]" name="Germany" pageId="91" pageNumber="92">GERMANY</collectingCountry>
•
<collectingRegion id="4993279CFFAE3D00DE0BFB71FD5BFADD" box="[373,696,1266,1292]" country="Germany" name="Mecklenburg-Vorpommern" pageId="91" pageNumber="92">Mecklenburg-Vorpommern</collectingRegion>
,
<collectingCounty id="628991F2FFAE3D00DDB7FB71FCE9FADD" box="[713,778,1266,1292]" pageId="91" pageNumber="92">Rerik</collectingCounty>
(Ostsee);
<geologicalTimeScale id="F97769D5FFAE3D00DCF0FB71FE66FAE1" pageId="91" pageNumber="92">Ordovician (Lasnamägi Regional Stage, late Darriwilian)</geologicalTimeScale>
,
<geologicalTimeScale id="F97769D5FFAE3D00DEECFA95FCAFFAFE" box="[402,844,1301,1328]" pageId="91" pageNumber="92">Upper Grey Orthoceratite Limestone</geologicalTimeScale>
;
<collectorName id="26A28CA8FFAE3D00DC27FA96FC45FAFE" box="[857,934,1301,1327]" pageId="91" pageNumber="92">Neben</collectorName>
and
<collectorName id="26A28CA8FFAE3D00DC9CFA95FBA1FAE1" box="[994,1090,1302,1328]" pageId="91" pageNumber="92">Krueger</collectorName>
1961 Coll.; illustrated by
<bibRefCitation id="EFC6948FFFAE3D00DFC1FABBFE02FA82" author="Neben W. &amp; Krueger H. - H." box="[191,481,1336,1363]" pageId="91" pageNumber="92" pagination="1 - 50" refId="ref48602" refString="Neben W. &amp; Krueger H. - H. 1971. Fossilien ordovizischer Geschiebe. Staringia 1: 1 - 50." type="journal article" year="1971">Neben &amp; Krueger (1971</bibRefCitation>
: pl. 31 fig. 4) and re-illustrated here in
<figureCitation id="136CF5FBFFAE3D00DCD5FABBFBF5FA83" box="[939,1046,1336,1362]" captionStart="Fig" captionStartId="92.[189,232,1733,1759]" captionTargetBox="[225,1361,278,1639]" captionTargetId="figure-15@92.[206,1381,268,1653]" captionTargetPageId="92" captionText="Fig. 69. Species of Trilacinoceras Sweet, 1958. A. Trilacinoceras filix sp. nov., holotype MB.C.30557 (Neben &amp; Krueger 1961 Coll.) from the Upper Grey Orthoceratite Limestone of Rerik (Ostsee) (Mecklenburg-Vorpommern); previously figured by Neben &amp; Krueger (1971: pl. 31 fig. 4). B. Trilacinoceras cf. hunanense Lai &amp; Qi, 1977, specimen MB.C.29655 (Bottke Coll.) from the Datianba Formation of Songtao County (Guizhou, South China). Scale bar units = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.6341424" httpUri="https://zenodo.org/record/6341424/files/figure.png" pageId="91" pageNumber="92">Fig. 69A</figureCitation>
;
<specimenCode id="DBF14105FFAE3D00DB5CFABBFB5CFA82" box="[1058,1215,1336,1363]" pageId="91" pageNumber="92">MB.C.30557</specimenCode>
.
</materialsCitation>
</paragraph>
<paragraph id="8BE8E97EFFAE3D00DF94FAF9FEBDFA0A" blockId="91.[189,1399,1402,1499]" pageId="91" pageNumber="92">
<materialsCitation id="3B3FE323FFAE3D00DF94FAF9FEB9FA0A" ID-GBIF-Occurrence="3700114318" collectionCode="MB" collectorName="Neben" country="Germany" county="Oderberg" location="Oderberg" municipality="Ordovician" pageId="91" pageNumber="92" specimenCode="MB.C.30556" specimenCount="1" stateProvince="Brandenburg" typeStatus="paratype">
<emphasis id="B923356CFFAE3D00DF94FAF9FEBFFA45" bold="true" box="[234,348,1402,1428]" pageId="91" pageNumber="92">
<typeStatus id="54EC57DCFFAE3D00DF94FAF9FEBFFA45" box="[234,348,1402,1428]" pageId="91" pageNumber="92" type="paratype">Paratype</typeStatus>
</emphasis>
<collectingCountry id="F340A9EEFFAE3D00DFC3FA1EFEB3FA66" box="[189,336,1437,1463]" name="Germany" pageId="91" pageNumber="92">GERMANY</collectingCountry>
•
<collectingRegion id="4993279CFFAE3D00DE17FA1EFDE6FA66" box="[361,517,1437,1463]" country="Germany" name="Brandenburg" pageId="91" pageNumber="92">Brandenburg</collectingRegion>
,
<collectingCounty id="628991F2FFAE3D00DD6EFA1EFD61FA66" box="[528,642,1437,1463]" pageId="91" pageNumber="92">Oderberg</collectingCounty>
;
<geologicalTimeScale id="F97769D5FFAE3D00DDF0FA1EFCF6FA66" box="[654,789,1437,1463]" pageId="91" pageNumber="92">Ordovician</geologicalTimeScale>
,
<geologicalTimeScale id="F97769D5FFAE3D00DC5FFA1DFB36FA66" box="[801,1237,1437,1464]" pageId="91" pageNumber="92">Upper Grey Orthoceratite Limestone</geologicalTimeScale>
;
<collectorName id="26A28CA8FFAE3D00DB9FFA1EFACDFA66" box="[1249,1326,1437,1463]" pageId="91" pageNumber="92">Neben</collectorName>
Coll.;
<specimenCode id="DBF14105FFAE3D00DFC3FA43FEB9FA0A" box="[189,346,1472,1499]" pageId="91" pageNumber="92">MB.C.30556</specimenCode>
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="C34DBAF5FFAE3D06DFC3F981FD79FCA1" lastPageId="93" lastPageNumber="94" pageId="91" pageNumber="92" type="description">
<paragraph id="8BE8E97EFFAE3D00DFC3F981FEADF9CD" blockId="91.[189,334,1538,1564]" box="[189,334,1538,1564]" pageId="91" pageNumber="92">
<heading id="D0A05E12FFAE3D00DFC3F981FEADF9CD" bold="true" box="[189,334,1538,1564]" fontSize="11" level="3" pageId="91" pageNumber="92" reason="3">
<emphasis id="B923356CFFAE3D00DFC3F981FEADF9CD" bold="true" box="[189,334,1538,1564]" pageId="91" pageNumber="92">Description</emphasis>
</heading>
</paragraph>
<paragraph id="8BE8E97EFFAE3D00DFC3F9B3FEE2F890" blockId="91.[188,1399,1584,1857]" pageId="91" pageNumber="92">
<typeStatus id="54EC57DCFFAE3D00DFC3F9B3FEC9F99B" box="[189,298,1584,1610]" pageId="91" pageNumber="92" type="holotype">Holotype</typeStatus>
MB.C.30557 (
<figureCitation id="136CF5FBFFAE3D00DEA5F9B3FDA5F99A" box="[475,582,1584,1611]" captionStart="Fig" captionStartId="92.[189,232,1733,1759]" captionTargetBox="[225,1361,278,1639]" captionTargetId="figure-15@92.[206,1381,268,1653]" captionTargetPageId="92" captionText="Fig. 69. Species of Trilacinoceras Sweet, 1958. A. Trilacinoceras filix sp. nov., holotype MB.C.30557 (Neben &amp; Krueger 1961 Coll.) from the Upper Grey Orthoceratite Limestone of Rerik (Ostsee) (Mecklenburg-Vorpommern); previously figured by Neben &amp; Krueger (1971: pl. 31 fig. 4). B. Trilacinoceras cf. hunanense Lai &amp; Qi, 1977, specimen MB.C.29655 (Bottke Coll.) from the Datianba Formation of Songtao County (Guizhou, South China). Scale bar units = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.6341424" httpUri="https://zenodo.org/record/6341424/files/figure.png" pageId="91" pageNumber="92">Fig. 69A</figureCitation>
) consists of the coiled part (dm =
<quantity id="4CAF449BFFAE3D00DCA4F9B3FBD3F99A" box="[986,1072,1584,1611]" metricMagnitude="-2" metricUnit="m" metricValue="2.8" pageId="91" pageNumber="92" unit="mm" value="28.0">28 mm</quantity>
; 1.25 openly coiled whorls; WER
<subScript id="17D3EB3BFFAE3D00DF80F9E5FEF7F9A5" attach="left" box="[254,276,1638,1652]" fontSize="6" pageId="91" pageNumber="92">dm</subScript>
= 2.50, WER
<subScript id="17D3EB3BFFAE3D00DECAF9E5FE27F9A5" attach="left" box="[436,452,1638,1652]" fontSize="6" pageId="91" pageNumber="92">ah</subScript>
= 2.00) and a long portion of the almost straight backcoiled part and straight part (length =
<quantity id="4CAF449BFFAE3D00DE4CF9F4FE7BF940" box="[306,408,1655,1682]" metricMagnitude="-1" metricUnit="m" metricValue="2.5" pageId="91" pageNumber="92" unit="mm" value="250.0">250 mm</quantity>
; EA increases from ~ 1° to 4.6°). The whorl profile is compressed (WWI increases from 0.86–0.92). It can be estimated that about half of the original body chamber is preserved. The CLR is 0.40–0.50, without any apparent ontogenetic trend (
<figureCitation id="136CF5FBFFAE3D00DC3AF93EFC7CF906" box="[836,927,1725,1751]" captionStart="Fig" captionStartId="93.[189,232,1920,1946]" captionTargetBox="[397,1190,1616,1844]" captionTargetId="figure-384@93.[393,1194,1609,1851]" captionTargetPageId="93" captionText="Fig. 70. Trilacinoceras filix sp. nov., chamber length/whorl height of holotype MB.C.30557 (Neben &amp; Krueger Coll.) from Rerik (Ostsee) (Mecklenburg-Vorpommern). A. Empirical data. B. Three data point averaged." figureDoi="http://doi.org/10.5281/zenodo.6341426" httpUri="https://zenodo.org/record/6341426/files/figure.png" pageId="91" pageNumber="92">Fig. 70</figureCitation>
). The shell ornament consists of annuli (
<quantity id="4CAF449BFFAE3D00DFB5F963FEA5F92A" box="[203,326,1760,1787]" metricMagnitude="-3" metricUnit="m" metricValue="2.0" metricValueMax="3.0" metricValueMin="1.0" pageId="91" pageNumber="92" unit="mm" value="2.0" valueMax="3.0" valueMin="1.0">1 to 3 mm</quantity>
in distance); fine lirae are locally preserved. The ornament elements form a deep ventral sinus and a low dorsal projection; on the flank, the elements are either straight or form a very shallow sinus.
</paragraph>
<paragraph id="8BE8E97EFFAE3D06DFC3F8EAFD79FCA1" blockId="91.[189,1400,1896,1993]" lastBlockId="93.[188,1399,749,880]" lastPageId="93" lastPageNumber="94" pageId="91" pageNumber="92">
<typeStatus id="54EC57DCFFAE3D00DFC3F8EAFEC7F852" box="[189,292,1897,1923]" pageId="91" pageNumber="92" type="paratype">Paratype</typeStatus>
MB.C.30556 is an incomplete, very slightly curved specimen of a body chamber with one chamber of the phragmocone preserved. The conch has similar proportions like the
<typeStatus id="54EC57DCFFAE3D00DBDAF808FAE8F874" box="[1188,1291,1931,1957]" pageId="91" pageNumber="92" type="holotype">holotype</typeStatus>
but with better preserved shell ornament. The ornament consists of irregularly spaced annuli and lirae. The annuli are more strongly approximated behind the position of the last preserved septum (ca
<quantity id="4CAF449BFFA83D06DB96FD6EFACFFCD6" box="[1256,1324,749,775]" metricMagnitude="-3" metricUnit="m" metricValue="1.0" pageId="93" pageNumber="94" unit="mm" value="1.0">1 mm</quantity>
apart) and have widest distances in the mid-length of the specimen (
<quantity id="4CAF449BFFA83D06DCCCFC93FC18FCFB" box="[946,1019,784,810]" metricMagnitude="-3" metricUnit="m" metricValue="4.0" pageId="93" pageNumber="94" unit="mm" value="4.0">4 mm</quantity>
apart). The ornament elements form a deep ventral sinus, shallow lateral sinuses and a low dorsal projection. The single preserved phragmocone chamber has CLR of 0.32.
</paragraph>
</subSubSection>
<caption id="DF28B9F6FFA93D07DFC3F946FB82F8BC" ID-DOI="http://doi.org/10.5281/zenodo.6341424" ID-Zenodo-Dep="6341424" httpUri="https://zenodo.org/record/6341424/files/figure.png" pageId="92" pageNumber="93" startId="92.[189,232,1733,1759]" targetBox="[225,1361,278,1639]" targetPageId="92">
<paragraph id="8BE8E97EFFA93D07DFC3F946FB82F8BC" blockId="92.[187,1399,1733,1901]" pageId="92" pageNumber="93">
<emphasis id="B923356CFFA93D07DFC3F946FEF8F90E" bold="true" box="[189,283,1733,1759]" pageId="92" pageNumber="93">Fig. 69.</emphasis>
Species of
<taxonomicName id="4C5792FDFFA93D07DEDBF946FD0EF931" authority="Sweet, 1958" authorityName="Sweet" authorityYear="1958" box="[421,749,1733,1760]" class="Cephalopoda" family="Lituitidae" genus="Trilacinoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Orthocerida" pageId="92" pageNumber="93" phylum="Mollusca" rank="genus">
<emphasis id="B923356CFFA93D07DEDBF946FDB3F90E" box="[421,592,1733,1759]" italics="true" pageId="92" pageNumber="93">Trilacinoceras</emphasis>
<bibRefCitation id="EFC6948FFFA93D07DD26F946FD0EF931" author="Sweet W. C." box="[600,749,1733,1760]" pageId="92" pageNumber="93" pagination="1 - 176" refId="ref49478" refString="Sweet W. C. 1958. The Middle Ordovician of the Oslo region, Norway. 10. Nautiloid cephalopods. Norsk Geologisk Tidsskrift 38: 1 - 176." type="journal article" year="1958">Sweet, 1958</bibRefCitation>
</taxonomicName>
.
<emphasis id="B923356CFFA93D07DD84F946FCECF90E" bold="true" box="[762,783,1733,1759]" pageId="92" pageNumber="93">A</emphasis>
.
<taxonomicName id="4C5792FDFFA93D07DC63F946FC1FF90E" authority="Aubrechtová &amp; Korn, 2022" authorityName="Aubrechtová &amp; Korn" authorityYear="2022" box="[797,1020,1733,1759]" class="Cephalopoda" family="Lituitidae" genus="Trilacinoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Orthocerida" pageId="92" pageNumber="93" phylum="Mollusca" rank="species" species="filix" status="sp. nov.">
<emphasis id="B923356CFFA93D07DC63F946FC1FF90E" box="[797,1020,1733,1759]" italics="true" pageId="92" pageNumber="93">Trilacinoceras filix</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2108817FFA93D07DB7AF945FB81F931" box="[1028,1122,1734,1760]" pageId="92" pageNumber="93" rank="species">sp. nov.</taxonomicNameLabel>
, holotype MB.C.30557 (Neben &amp; Krueger 1961 Coll.) from the Upper Grey Orthoceratite Limestone of Rerik (Ostsee) (Mecklenburg-Vorpommern); previously figured by
<bibRefCitation id="EFC6948FFFA93D07DC28F88FFB43F8F7" author="Neben W. &amp; Krueger H. - H." box="[854,1184,1804,1830]" pageId="92" pageNumber="93" pagination="1 - 50" refId="ref48602" refString="Neben W. &amp; Krueger H. - H. 1971. Fossilien ordovizischer Geschiebe. Staringia 1: 1 - 50." type="journal article" year="1971">Neben &amp; Krueger (1971</bibRefCitation>
: pl. 31 fig. 4).
<emphasis id="B923356CFFA93D07DFC3F8ACFF32F898" bold="true" box="[189,209,1839,1865]" pageId="92" pageNumber="93">B</emphasis>
.
<taxonomicName id="4C5792FDFFA93D07DFA3F8ACFD00F898" authority="Lai &amp; Qi, 1977" authorityName="Lai &amp; Qi" authorityYear="1977" box="[221,739,1839,1865]" class="Cephalopoda" family="Lituitidae" genus="Trilacinoceras" higherTaxonomySource="GBIF" isUncertain="true" kingdom="Animalia" order="Orthocerida" pageId="92" pageNumber="93" phylum="Mollusca" rank="species" species="hunanense">
<emphasis id="B923356CFFA93D07DFA3F8ACFE6BF898" box="[221,392,1839,1865]" italics="true" pageId="92" pageNumber="93">Trilacinoceras</emphasis>
cf.
<emphasis id="B923356CFFA93D07DECFF8ACFDCDF898" box="[433,558,1839,1865]" italics="true" pageId="92" pageNumber="93">hunanense</emphasis>
Lai &amp; Qi, 1977
</taxonomicName>
, specimen MB.C.29655 (Bottke Coll.) from the Datianba Formation of Songtao County (Guizhou, South China). Scale bar units = 1 mm.
</paragraph>
</caption>
<caption id="DF28B9F6FFA83D06DFC3FE8AFEB5FE96" pageId="93" pageNumber="94" startId="93.[189,259,265,291]" targetBox="[200,1377,386,675]" targetIsTable="true" targetPageId="93">
<paragraph id="8BE8E97EFFA83D06DFC3FE8AFEB5FE96" blockId="93.[189,1398,265,327]" pageId="93" pageNumber="94">
<emphasis id="B923356CFFA83D06DFC3FE8AFECCFEF2" bold="true" box="[189,303,265,291]" pageId="93" pageNumber="94">Table 13.</emphasis>
Conch measurements (in mm), and expansion rates of uncoiled conch parts of
<taxonomicName id="4C5792FDFFA83D06DBB5FE8AFEB2FE96" authority="Sweet, 1958" authorityName="Sweet" authorityYear="1958" class="Cephalopoda" family="Lituitidae" genus="Trilacinoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Orthocerida" pageId="93" pageNumber="94" phylum="Mollusca" rank="genus">
<emphasis id="B923356CFFA83D06DBB5FE8AFA95FEF2" box="[1227,1398,265,291]" italics="true" pageId="93" pageNumber="94">Trilacinoceras</emphasis>
<bibRefCitation id="EFC6948FFFA83D06DFC3FEAFFEB2FE96" author="Sweet W. C." box="[189,337,300,327]" pageId="93" pageNumber="94" pagination="1 - 176" refId="ref49478" refString="Sweet W. C. 1958. The Middle Ordovician of the Oslo region, Norway. 10. Nautiloid cephalopods. Norsk Geologisk Tidsskrift 38: 1 - 176." type="journal article" year="1958">Sweet, 1958</bibRefCitation>
</taxonomicName>
.
</paragraph>
</caption>
<paragraph id="8BE8E97EFFA83D06DFB6FE01FAB2FD73" pageId="93" pageNumber="94">
<table id="F9571BDEFFA8C2A4DFB6FE01FA82FD72" box="[200,1377,386,675]" colsContinueFrom="56.[200,1367,378,2000]" gridcols="8" gridrows="8" pageId="93" pageNumber="94">
<tr id="3567EB3CFFA8C2A4DFB6FE01FA82FE49" box="[200,1377,386,408]" gridrow="0" pageId="93" pageNumber="94">
<th id="76B68240FFA8C2A4DFB6FE01FE86FE49" box="[200,357,386,408]" gridcol="0" gridrow="0" pageId="93" pageNumber="94">
<emphasis id="B923356CFFA83D06DFB6FE01FF17FE46" bold="true" box="[200,244,386,407]" pageId="93" pageNumber="94">taxo</emphasis>
n
</th>
<th id="76B68240FFA8C2A4DED4FE01FDCAFE49" box="[426,553,386,408]" gridcol="1" gridrow="0" pageId="93" pageNumber="94">
<emphasis id="B923356CFFA83D06DED4FE01FDCAFE46" bold="true" box="[426,553,386,407]" pageId="93" pageNumber="94">catalogue nr</emphasis>
</th>
<th id="76B68240FFA8C2A4DD0CFE01FD2AFE49" box="[626,713,386,408]" gridcol="2" gridrow="0" pageId="93" pageNumber="94">
<emphasis id="B923356CFFA83D06DD0CFE01FD2AFE46" bold="true" box="[626,713,386,407]" pageId="93" pageNumber="94">max. wh</emphasis>
</th>
<th id="76B68240FFA8C2A4DD8FFE01FCAFFE49" box="[753,844,386,408]" gridcol="3" gridrow="0" pageId="93" pageNumber="94">
<emphasis id="B923356CFFA83D06DD8FFE01FCAFFE46" bold="true" box="[753,844,386,407]" pageId="93" pageNumber="94">max. ww</emphasis>
</th>
<th id="76B68240FFA8C2A4DC08FE01FC2AFE49" box="[886,969,386,408]" gridcol="4" gridrow="0" pageId="93" pageNumber="94">
<emphasis id="B923356CFFA83D06DC08FE01FC2AFE46" bold="true" box="[886,969,386,408]" pageId="93" pageNumber="94">min. wh</emphasis>
</th>
<th id="76B68240FFA8C2A4DC8AFE01FBA8FE49" box="[1012,1099,386,408]" gridcol="5" gridrow="0" pageId="93" pageNumber="94">
<emphasis id="B923356CFFA83D06DC8AFE01FBA8FE46" bold="true" box="[1012,1099,386,408]" pageId="93" pageNumber="94">min. ww</emphasis>
</th>
<th id="76B68240FFA8C2A4DB0FFE01FB1FFE49" box="[1137,1276,386,408]" gridcol="6" gridrow="0" pageId="93" pageNumber="94">
<emphasis id="B923356CFFA83D06DB0FFE01FB1FFE46" bold="true" box="[1137,1276,386,408]" pageId="93" pageNumber="94">fragm. length</emphasis>
</th>
<th id="76B68240FFA8C2A4DA5CFE01FA82FE49" box="[1314,1377,386,408]" gridcol="7" gridrow="0" pageId="93" pageNumber="94">
<emphasis id="B923356CFFA83D06DA5CFE01FA82FE49" bold="true" box="[1314,1377,386,408]" pageId="93" pageNumber="94">EA (°)</emphasis>
</th>
</tr>
<tr id="3567EB3CFFA8C2A4DFB6FE2BFA82FE6F" box="[200,1377,424,446]" gridrow="1" pageId="93" pageNumber="94">
<th id="76B68240FFA8C2A4DFB6FE2BFE86FE6F" box="[200,357,424,446]" gridcol="0" gridrow="1" pageId="93" pageNumber="94">
<emphasis id="B923356CFFA83D06DFB6FE2AFEC7FE6C" box="[200,292,424,446]" italics="true" pageId="93" pageNumber="94">T. discors</emphasis>
</th>
<td id="76B68240FFA8C2A4DED4FE2BFDCAFE6F" box="[426,553,424,446]" gridcol="1" gridrow="1" pageId="93" pageNumber="94">MB.C.30552</td>
<td id="76B68240FFA8C2A4DD0CFE2BFD2AFE6F" box="[626,713,424,446]" gridcol="2" gridrow="1" pageId="93" pageNumber="94">14.0</td>
<td id="76B68240FFA8C2A4DD8FFE2BFCAFFE6F" box="[753,844,424,446]" gridcol="3" gridrow="1" pageId="93" pageNumber="94">–</td>
<td id="76B68240FFA8C2A4DC08FE2BFC2AFE6F" box="[886,969,424,446]" gridcol="4" gridrow="1" pageId="93" pageNumber="94">10.0</td>
<td id="76B68240FFA8C2A4DC8AFE2BFBA8FE6F" box="[1012,1099,424,446]" gridcol="5" gridrow="1" pageId="93" pageNumber="94">8.5</td>
<td id="76B68240FFA8C2A4DB0FFE2BFB1FFE6F" box="[1137,1276,424,446]" gridcol="6" gridrow="1" pageId="93" pageNumber="94">61.9</td>
<td id="76B68240FFA8C2A4DA5CFE2BFA82FE6F" box="[1314,1377,424,446]" gridcol="7" gridrow="1" pageId="93" pageNumber="94">3.7</td>
</tr>
<tr id="3567EB3CFFA8C2A4DFB6FE4DFA82FE35" box="[200,1377,462,484]" gridrow="2" pageId="93" pageNumber="94">
<th id="76B68240FFA8C2A4DFB6FE4DFE86FE35" box="[200,357,462,484]" gridcol="0" gridrow="2" pageId="93" pageNumber="94">
<emphasis id="B923356CFFA83D06DFB6FE4CFEE0FE32" box="[200,259,462,484]" italics="true" pageId="93" pageNumber="94">T. filix</emphasis>
</th>
<td id="76B68240FFA8C2A4DED4FE4DFDCAFE35" box="[426,553,462,484]" gridcol="1" gridrow="2" pageId="93" pageNumber="94">MB.C.30557</td>
<td id="76B68240FFA8C2A4DD0CFE4DFD2AFE35" box="[626,713,462,484]" gridcol="2" gridrow="2" pageId="93" pageNumber="94">20.0</td>
<td id="76B68240FFA8C2A4DD8FFE4DFCAFFE35" box="[753,844,462,484]" gridcol="3" gridrow="2" pageId="93" pageNumber="94">18.4</td>
<td id="76B68240FFA8C2A4DC08FE4DFC2AFE35" box="[886,969,462,484]" gridcol="4" gridrow="2" pageId="93" pageNumber="94">8.2</td>
<td id="76B68240FFA8C2A4DC8AFE4DFBA8FE35" box="[1012,1099,462,484]" gridcol="5" gridrow="2" pageId="93" pageNumber="94">7.6</td>
<td id="76B68240FFA8C2A4DB0FFE4DFB1FFE35" box="[1137,1276,462,484]" gridcol="6" gridrow="2" pageId="93" pageNumber="94">146.9</td>
<td id="76B68240FFA8C2A4DA5CFE4DFA82FE35" box="[1314,1377,462,484]" gridcol="7" gridrow="2" pageId="93" pageNumber="94">4.6</td>
</tr>
<tr id="3567EB3CFFA8C2A4DFB6FE77FA82FDDB" box="[200,1377,500,522]" gridrow="3" pageId="93" pageNumber="94">
<th id="76B68240FFA8C2A4DFB6FE77FE86FDDB" box="[200,357,500,522]" gridcol="0" gridrow="3" pageId="93" pageNumber="94">
<emphasis id="B923356CFFA83D06DFB6FE76FEE0FDD8" box="[200,259,500,522]" italics="true" pageId="93" pageNumber="94">T. filix</emphasis>
</th>
<td id="76B68240FFA8C2A4DED4FE77FDCAFDDB" box="[426,553,500,522]" gridcol="1" gridrow="3" pageId="93" pageNumber="94">MB.C.30556</td>
<td id="76B68240FFA8C2A4DD0CFE77FD2AFDDB" box="[626,713,500,522]" gridcol="2" gridrow="3" pageId="93" pageNumber="94">20.0</td>
<td id="76B68240FFA8C2A4DD8FFE77FCAFFDDB" box="[753,844,500,522]" gridcol="3" gridrow="3" pageId="93" pageNumber="94">18.8</td>
<td id="76B68240FFA8C2A4DC08FE77FC2AFDDB" box="[886,969,500,522]" gridcol="4" gridrow="3" pageId="93" pageNumber="94">15.0</td>
<td id="76B68240FFA8C2A4DC8AFE77FBA8FDDB" box="[1012,1099,500,522]" gridcol="5" gridrow="3" pageId="93" pageNumber="94">13.7</td>
<td id="76B68240FFA8C2A4DB0FFE77FB1FFDDB" box="[1137,1276,500,522]" gridcol="6" gridrow="3" pageId="93" pageNumber="94">57.3</td>
<td id="76B68240FFA8C2A4DA5CFE77FA82FDDB" box="[1314,1377,500,522]" gridcol="7" gridrow="3" pageId="93" pageNumber="94">5.0</td>
</tr>
<tr id="3567EB3CFFA8C2A4DFB6FD99FA82FDE1" box="[200,1377,538,560]" gridrow="4" pageId="93" pageNumber="94">
<th id="76B68240FFA8C2A4DFB6FD99FE86FDE1" box="[200,357,538,560]" gridcol="0" gridrow="4" pageId="93" pageNumber="94">
<emphasis id="B923356CFFA83D06DFB6FD98FED0FDE1" box="[200,307,539,560]" italics="true" pageId="93" pageNumber="94">T. knoefleri</emphasis>
</th>
<td id="76B68240FFA8C2A4DED4FD99FDCAFDE1" box="[426,553,538,560]" gridcol="1" gridrow="4" pageId="93" pageNumber="94">MB.C.11658</td>
<td id="76B68240FFA8C2A4DD0CFD99FD2AFDE1" box="[626,713,538,560]" gridcol="2" gridrow="4" pageId="93" pageNumber="94">15.4</td>
<td id="76B68240FFA8C2A4DD8FFD99FCAFFDE1" box="[753,844,538,560]" gridcol="3" gridrow="4" pageId="93" pageNumber="94">–</td>
<td id="76B68240FFA8C2A4DC08FD99FC2AFDE1" box="[886,969,538,560]" gridcol="4" gridrow="4" pageId="93" pageNumber="94">13.1</td>
<td id="76B68240FFA8C2A4DC8AFD99FBA8FDE1" box="[1012,1099,538,560]" gridcol="5" gridrow="4" pageId="93" pageNumber="94">–</td>
<td id="76B68240FFA8C2A4DB0FFD99FB1FFDE1" box="[1137,1276,538,560]" gridcol="6" gridrow="4" pageId="93" pageNumber="94">65.3</td>
<td id="76B68240FFA8C2A4DA5CFD99FA82FDE1" box="[1314,1377,538,560]" gridcol="7" gridrow="4" pageId="93" pageNumber="94">2.0</td>
</tr>
<tr id="3567EB3CFFA8C2A4DFB6FDC2FA82FD86" box="[200,1377,577,599]" gridrow="5" pageId="93" pageNumber="94">
<th id="76B68240FFA8C2A4DFB6FDC2FE86FD86" box="[200,357,577,599]" gridcol="0" gridrow="5" pageId="93" pageNumber="94">
<emphasis id="B923356CFFA83D06DFB6FDC2FED0FD87" box="[200,307,577,598]" italics="true" pageId="93" pageNumber="94">T. knoefleri</emphasis>
</th>
<td id="76B68240FFA8C2A4DED4FDC2FDCAFD86" box="[426,553,577,599]" gridcol="1" gridrow="5" pageId="93" pageNumber="94">MB.C.30559</td>
<td id="76B68240FFA8C2A4DD0CFDC2FD2AFD86" box="[626,713,577,599]" gridcol="2" gridrow="5" pageId="93" pageNumber="94">16.2</td>
<td id="76B68240FFA8C2A4DD8FFDC2FCAFFD86" box="[753,844,577,599]" gridcol="3" gridrow="5" pageId="93" pageNumber="94">15.5</td>
<td id="76B68240FFA8C2A4DC08FDC2FC2AFD86" box="[886,969,577,599]" gridcol="4" gridrow="5" pageId="93" pageNumber="94">13.0</td>
<td id="76B68240FFA8C2A4DC8AFDC2FBA8FD86" box="[1012,1099,577,599]" gridcol="5" gridrow="5" pageId="93" pageNumber="94">11.9</td>
<td id="76B68240FFA8C2A4DB0FFDC2FB1FFD86" box="[1137,1276,577,599]" gridcol="6" gridrow="5" pageId="93" pageNumber="94">40.7</td>
<td id="76B68240FFA8C2A4DA5CFDC2FA82FD86" box="[1314,1377,577,599]" gridcol="7" gridrow="5" pageId="93" pageNumber="94">4.5</td>
</tr>
<tr id="3567EB3CFFA8C2A4DFB6FDE4FA82FDAC" box="[200,1377,615,637]" gridrow="6" pageId="93" pageNumber="94">
<th id="76B68240FFA8C2A4DFB6FDE4FE86FDAC" box="[200,357,615,637]" gridcol="0" gridrow="6" pageId="93" pageNumber="94">
<emphasis id="B923356CFFA83D06DFB6FDEBFED0FDAD" box="[200,307,615,637]" italics="true" pageId="93" pageNumber="94">T. knoefleri</emphasis>
</th>
<td id="76B68240FFA8C2A4DED4FDE4FDCAFDAC" box="[426,553,615,637]" gridcol="1" gridrow="6" pageId="93" pageNumber="94">MB.C.30558</td>
<td id="76B68240FFA8C2A4DD0CFDE4FD2AFDAC" box="[626,713,615,637]" gridcol="2" gridrow="6" pageId="93" pageNumber="94">14.6</td>
<td id="76B68240FFA8C2A4DD8FFDE4FCAFFDAC" box="[753,844,615,637]" gridcol="3" gridrow="6" pageId="93" pageNumber="94">–</td>
<td id="76B68240FFA8C2A4DC08FDE4FC2AFDAC" box="[886,969,615,637]" gridcol="4" gridrow="6" pageId="93" pageNumber="94">12.1</td>
<td id="76B68240FFA8C2A4DC8AFDE4FBA8FDAC" box="[1012,1099,615,637]" gridcol="5" gridrow="6" pageId="93" pageNumber="94">–</td>
<td id="76B68240FFA8C2A4DB0FFDE4FB1FFDAC" box="[1137,1276,615,637]" gridcol="6" gridrow="6" pageId="93" pageNumber="94">59.7</td>
<td id="76B68240FFA8C2A4DA5CFDE4FA82FDAC" box="[1314,1377,615,637]" gridcol="7" gridrow="6" pageId="93" pageNumber="94">2.4</td>
</tr>
<tr id="3567EB3CFFA8C2A4DFB6FD0EFA82FD72" box="[200,1377,653,675]" gridrow="7" pageId="93" pageNumber="94">
<th id="76B68240FFA8C2A4DFB6FD0EFE86FD72" box="[200,357,653,675]" gridcol="0" gridrow="7" pageId="93" pageNumber="94">
<emphasis id="B923356CFFA83D06DFB6FD0DFF3FFD72" box="[200,220,654,675]" italics="true" pageId="93" pageNumber="94">T.</emphasis>
cf.
<emphasis id="B923356CFFA83D06DF80FD0EFE86FD73" box="[254,357,653,674]" italics="true" pageId="93" pageNumber="94">hunanense</emphasis>
</th>
<td id="76B68240FFA8C2A4DED4FD0EFDCAFD72" box="[426,553,653,675]" gridcol="1" gridrow="7" pageId="93" pageNumber="94">MB.C.29655</td>
<td id="76B68240FFA8C2A4DD0CFD0EFD2AFD72" box="[626,713,653,675]" gridcol="2" gridrow="7" pageId="93" pageNumber="94">31.0</td>
<td id="76B68240FFA8C2A4DD8FFD0EFCAFFD72" box="[753,844,653,675]" gridcol="3" gridrow="7" pageId="93" pageNumber="94">–</td>
<td id="76B68240FFA8C2A4DC08FD0EFC2AFD72" box="[886,969,653,675]" gridcol="4" gridrow="7" pageId="93" pageNumber="94">12.0</td>
<td id="76B68240FFA8C2A4DC8AFD0EFBA8FD72" box="[1012,1099,653,675]" gridcol="5" gridrow="7" pageId="93" pageNumber="94">–</td>
<td id="76B68240FFA8C2A4DB0FFD0EFB1FFD72" box="[1137,1276,653,675]" gridcol="6" gridrow="7" pageId="93" pageNumber="94">265.4</td>
<td id="76B68240FFA8C2A4DA5CFD0EFA82FD72" box="[1314,1377,653,675]" gridcol="7" gridrow="7" pageId="93" pageNumber="94">4.1</td>
</tr>
</table>
</paragraph>
<subSubSection id="C34DBAF5FFA83D06DFC3FC1BFAFFFA8E" pageId="93" pageNumber="94" type="discussion">
<paragraph id="8BE8E97EFFA83D06DFC3FC1BFECCFC63" blockId="93.[189,303,920,946]" box="[189,303,920,946]" pageId="93" pageNumber="94">
<heading id="D0A05E12FFA83D06DFC3FC1BFECCFC63" bold="true" box="[189,303,920,946]" fontSize="11" level="3" pageId="93" pageNumber="94" reason="3">
<emphasis id="B923356CFFA83D06DFC3FC1BFECCFC63" bold="true" box="[189,303,920,946]" pageId="93" pageNumber="94">Remarks</emphasis>
</heading>
</paragraph>
<paragraph id="8BE8E97EFFA83D06DFC3FC45FE87FB2B" blockId="93.[189,1400,966,1274]" pageId="93" pageNumber="94">
The new species is assigned to the genus
<taxonomicName id="4C5792FDFFA83D06DDC9FC45FC81FC31" authorityName="Sweet" authorityYear="1958" box="[695,866,966,992]" class="Cephalopoda" family="Lituitidae" genus="Trilacinoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Orthocerida" pageId="93" pageNumber="94" phylum="Mollusca" rank="genus">
<emphasis id="B923356CFFA83D06DDC9FC45FC81FC31" box="[695,866,966,992]" italics="true" pageId="93" pageNumber="94">Trilacinoceras</emphasis>
</taxonomicName>
because the conch has a conspicuously low expansion angle and the whorl profile remains compressed even in the apertural part of the conch (max. WWI
<quantity id="4CAF449BFFA83D06DE29FB8EFE4FFBF6" box="[343,428,1037,1063]" metricMagnitude="-2" metricUnit="m" metricValue="2.3368" pageId="93" pageNumber="94" unit="in" value="0.92">0.92 in</quantity>
the
<typeStatus id="54EC57DCFFA83D06DE98FB8EFDAEFBF6" box="[486,589,1037,1063]" pageId="93" pageNumber="94" type="holotype">holotype</typeStatus>
and
<quantity id="4CAF449BFFA83D06DDF3FB8EFD01FBF6" box="[653,738,1037,1063]" metricMagnitude="-2" metricUnit="m" metricValue="2.3876" pageId="93" pageNumber="94" unit="in" value="0.94">0.94 in</quantity>
the
<typeStatus id="54EC57DCFFA83D06DC62FB8EFC64FBF6" box="[796,903,1037,1063]" pageId="93" pageNumber="94" type="paratype">paratype</typeStatus>
). The species is most similar to the type species
<taxonomicName id="4C5792FDFFA83D06DE67FBB2FE68FB9B" box="[281,395,1072,1098]" class="Cephalopoda" family="Lituitidae" genus="Lituites" higherTaxonomySource="GBIF" kingdom="Animalia" order="Orthocerida" pageId="93" pageNumber="94" phylum="Mollusca" rank="species" species="discors">
<emphasis id="B923356CFFA83D06DE67FBB2FE68FB9B" box="[281,395,1072,1098]" italics="true" pageId="93" pageNumber="94">T. discors</emphasis>
</taxonomicName>
, in which the conch has a higher expansion angle (3–6°), particularly after uncoiling. Furthermore, the ornament is different in both species. In
<taxonomicName id="4C5792FDFFA83D06DC10FBD7FC03FBBC" box="[878,992,1107,1133]" class="Cephalopoda" family="Lituitidae" genus="Lituites" higherTaxonomySource="GBIF" kingdom="Animalia" order="Orthocerida" pageId="93" pageNumber="94" phylum="Mollusca" rank="species" species="discors">
<emphasis id="B923356CFFA83D06DC10FBD7FC03FBBC" box="[878,992,1107,1133]" italics="true" pageId="93" pageNumber="94">T. discors</emphasis>
</taxonomicName>
, narrow but prominent annuli and lirae are developed in the coiled part and wider and flatter annuli in the uncoiled part. By contrast, the
<typeStatus id="54EC57DCFFA83D06DFC3FB1AFEC7FB62" box="[189,292,1177,1203]" pageId="93" pageNumber="94" type="holotype">holotype</typeStatus>
of
<taxonomicName id="4C5792FDFFA83D06DE2FFB19FE7DFB62" authority="Aubrechtová &amp; Korn, 2022" authorityName="Aubrechtová &amp; Korn" authorityYear="2022" box="[337,414,1177,1203]" class="Cephalopoda" family="Lituitidae" genus="Trilacinoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Orthocerida" pageId="93" pageNumber="94" phylum="Mollusca" rank="species" species="filix" status="sp. nov.">
<emphasis id="B923356CFFA83D06DE2FFB19FE7DFB62" box="[337,414,1177,1203]" italics="true" pageId="93" pageNumber="94">T. filix</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2108817FFA83D06DED6FB19FDE5FB65" box="[424,518,1178,1204]" pageId="93" pageNumber="94" rank="species">sp. nov.</taxonomicNameLabel>
is decorated by rather widely spaced and strong annuli (
<quantity id="4CAF449BFFA83D06DBBFFB19FAE5FB65" box="[1217,1286,1178,1204]" metricMagnitude="-3" metricUnit="m" metricValue="1.0" pageId="93" pageNumber="94" unit="mm" value="1.0">1 mm</quantity>
apart) in the coiled part and comparatively narrower and widely spaced annuli (up to
<quantity id="4CAF449BFFA83D06DB2FFB3EFB75FB06" box="[1105,1174,1213,1239]" metricMagnitude="-3" metricUnit="m" metricValue="4.0" pageId="93" pageNumber="94" unit="mm" value="4.0">4 mm</quantity>
apart) towards the apertural part.
</paragraph>
<paragraph id="8BE8E97EFFA83D06DFC3FAA2FAFFFA8E" blockId="93.[189,1400,1313,1375]" pageId="93" pageNumber="94">
<taxonomicName id="4C5792FDFFA83D06DFC3FAA2FE7FFAEA" authority="Aubrechtová &amp; Korn, 2022" authorityName="Aubrechtová &amp; Korn" authorityYear="2022" box="[189,412,1313,1339]" class="Cephalopoda" family="Lituitidae" genus="Trilacinoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Orthocerida" pageId="93" pageNumber="94" phylum="Mollusca" rank="species" species="filix" status="sp. nov.">
<emphasis id="B923356CFFA83D06DFC3FAA2FE7FFAEA" box="[189,412,1313,1339]" italics="true" pageId="93" pageNumber="94">Trilacinoceras filix</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2108817FFA83D06DEDAFAA1FDE3FAED" box="[420,512,1314,1340]" pageId="93" pageNumber="94" rank="species">sp. nov.</taxonomicNameLabel>
is also rather similar to
<taxonomicName id="4C5792FDFFA83D06DC5FFAA1FC2CFAEA" authority="Aubrechtová &amp; Korn, 2022" authorityName="Aubrechtová &amp; Korn" authorityYear="2022" box="[801,975,1313,1339]" class="Cephalopoda" family="Lituitidae" genus="Lituites" higherTaxonomySource="GBIF" kingdom="Animalia" order="Orthocerida" pageId="93" pageNumber="94" phylum="Mollusca" rank="species" species="nebeni" status="sp. nov.">
<emphasis id="B923356CFFA83D06DC5FFAA1FC2CFAEA" box="[801,975,1313,1339]" italics="true" pageId="93" pageNumber="94">Lituites nebeni</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2108817FFA83D06DCA9FAA1FBD1FAED" box="[983,1074,1314,1340]" pageId="93" pageNumber="94" rank="species">sp. nov.</taxonomicNameLabel>
but the latter has a circular whorl profile, a more prominent shell ornament and a stronger curvature of the backcoiled part.
</paragraph>
</subSubSection>
<subSubSection id="C34DBAF5FFA83D06DFC3FA05FDD8FA23" pageId="93" pageNumber="94" type="materials_examined">
<paragraph id="8BE8E97EFFA83D06DFC3FA05FD21FA71" blockId="93.[189,706,1414,1440]" box="[189,706,1414,1440]" pageId="93" pageNumber="94">
<heading id="D0A05E12FFA83D06DFC3FA05FD21FA71" bold="true" box="[189,706,1414,1440]" fontSize="11" level="3" pageId="93" pageNumber="94" reason="3">
<emphasis id="B923356CFFA83D06DFC3FA05FD21FA71" bold="true" box="[189,706,1414,1440]" pageId="93" pageNumber="94">Geographic and stratigraphic occurrence</emphasis>
</heading>
</paragraph>
<paragraph id="8BE8E97EFFA83D06DFC3FA37FDD8FA23" blockId="93.[189,1398,1460,1522]" pageId="93" pageNumber="94">
Northern
<collectingCountry id="F340A9EEFFA83D06DE49FA36FE47FA1E" box="[311,420,1461,1487]" name="Germany" pageId="93" pageNumber="94">Germany</collectingCountry>
(in erratics within Pleistocene gravels); late Lasnamägi Regional Stage, late Darriwilian, Middle Ordovician.
</paragraph>
</subSubSection>
</treatment>
</document>
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