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<document id="41049D174B46F659650ADF233156AEB9" ID-CLB-Dataset="58033" ID-DOI="10.5852/ejt.2023.882.2177" ID-GBIF-Dataset="57d1d191-2bf5-4229-a0f5-9ab472a114a6" ID-ISSN="2118-9773" ID-Zenodo-Dep="8177581" ID-ZooBank="67C909E4-C700-4F8D-B8CE-5FD9B2C5D549" IM.bibliography_approvedBy="carolina" IM.illustrations_approvedBy="carolina" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_approvedBy="carolina" IM.taxonomicNames_approvedBy="felipe" IM.treatmentCitations_approvedBy="carolina" IM.treatments_approvedBy="carolina" checkinTime="1690201644379" checkinUser="felipe" docAuthor="Korn, Dieter &amp; Weyer, Dieter" docDate="2023" docId="03EA5C14CA9785D0FD40F93BFBD280A7" docLanguage="en" docName="ejt-882_1-230.pdf" docOrigin="European Journal of Taxonomy 882" docSource="http://dx.doi.org/10.5852/ejt.2023.882.2177" docStyle="DocumentStyle:EF2B578F1D15862ADE45B0C07C620911.14:EJT.2018-.journal_article.type1" docStyleId="EF2B578F1D15862ADE45B0C07C620911" docStyleName="EJT.2018-.journal_article.type1" docStyleVersion="14" docTitle="Weyerella lenis Korn &amp; Weyer 2023, sp. nov." docType="treatment" docUuid="283ADBFB-4091-447B-96E2-859E01547509" docUuidSource="ZooBank" docVersion="16" lastPageNumber="160" masterDocId="FFD3246CCA09854FFFCEFF90FFB2846D" masterDocTitle="The ammonoids from the Gattendorfia Limestone of Oberrödinghausen (Early Carboniferous; Rhenish Mountains, Germany)" masterLastPageNumber="230" masterPageNumber="1" pageNumber="159" updateTime="1699545181523" updateUser="plazi" 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="B575759B808DB113BA0022A01DD27B2B">The ammonoids from the Gattendorfia Limestone of Oberrödinghausen (Early Carboniferous; Rhenish Mountains, Germany)</mods:title>
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<mods:namePart id="CA0E0B57630162AF60902B0A058C693F">Korn, Dieter</mods:namePart>
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<mods:affiliation id="D9066606A142FD8970B5CB4D7004B6C4">Museum für Naturkunde, Leibniz-Institut für Evolutions- und Biodiversitätsforschung, Invalidenstrasse 43, 10115 Berlin, Germany.</mods:affiliation>
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<mods:namePart id="683ADBDFDA1944E7837AD585B0F44D3E">Weyer, Dieter</mods:namePart>
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<mods:affiliation id="DAB4A58642E73A7C0852BA05BE6257B8">Museum für Naturkunde, Leibniz-Institut für Evolutions- und Biodiversitätsforschung, Invalidenstrasse 43, 10115 Berlin, Germany.</mods:affiliation>
<mods:nameIdentifier id="AF1C9FF8029C9310FA01EF713F648E42" type="email">dieter.weyer@t-online.de</mods:nameIdentifier>
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<treatment id="03EA5C14CA9785D0FD40F93BFBD280A7" ID-DOI="http://doi.org/10.5281/zenodo.8184507" ID-GBIF-Taxon="212420408" ID-Zenodo-Dep="8184507" LSID="urn:lsid:zoobank.org:act:283ADBFB-4091-447B-96E2-859E01547509" httpUri="http://treatment.plazi.org/id/03EA5C14CA9785D0FD40F93BFBD280A7" lastPageId="159" lastPageNumber="160" pageId="158" pageNumber="159">
<subSubSection id="C359BE89CA9785D1FD40F93BFB0E8284" pageId="158" pageNumber="159" type="nomenclature">
<paragraph id="8BFCED02CA9785D1FD40F93BFC1482AB" blockId="158.[375,1212,1707,1804]" box="[654,934,1707,1734]" pageId="158" pageNumber="159">
<heading id="D0B45A6ECA9785D1FD40F93BFC1482AB" box="[654,934,1707,1734]" centered="true" fontSize="11" level="2" pageId="158" pageNumber="159" reason="2">
<taxonomicName id="4C439681CA9785D1FD40F93BFCF682AB" authority="Korn &amp; Weyer, 2023" authorityName="Korn &amp; Weyer" authorityYear="2023" box="[654,836,1707,1734]" class="Cephalopoda" family="Gattendorfiidae" genus="Weyerella" kingdom="Animalia" order="Goniatitida" pageId="158" pageNumber="159" phylum="Mollusca" rank="species" species="lenis" status="sp. nov.">
<emphasis id="B9373110CA9785D1FD40F93BFCF682AB" bold="true" box="[654,836,1707,1734]" italics="true" pageId="158" pageNumber="159">Weyerella lenis</emphasis>
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<taxonomicNameLabel id="A2048C6BCA9785D1FC82F93CFC1482AB" box="[844,934,1708,1734]" pageId="158" pageNumber="159" rank="species">sp. nov.</taxonomicNameLabel>
</heading>
</paragraph>
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urn:lsid:zoobank.org:act:
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</uri>
</paragraph>
</subSubSection>
<subSubSection id="C359BE89CA9785D1FD54F962FC2B8361" box="[666,921,1778,1804]" pageId="158" pageNumber="159" type="description">
<paragraph id="8BFCED02CA9785D1FD54F962FC2B8361" blockId="158.[375,1212,1707,1804]" box="[666,921,1778,1804]" pageId="158" pageNumber="159">
<figureCitation id="1378F187CA9785D1FD54F962FD438361" box="[666,753,1778,1804]" captionStart="Fig" captionStartId="159.[189,232,1856,1882]" captionTargetBox="[336,1252,1292,1821]" captionTargetId="figure-301@159.[336,1252,1292,1821]" captionTargetPageId="159" captionText="Fig. 96. Weyerella lenis sp. nov. from the Oberrödinghausen railway cutting. A. Holotype MB.C.31192 (Weyer 19931994 Coll.) from bed 2a. B. Cross section of paratype GPIT-PV-63929 (Vöhringer Coll.) from bed 2. CE. Ontogenetic development of the conch width index (ww/dm), umbilical width index (uw/dm), whorl width index (ww/wh) and whorl expansion rate (WER) of the holotype and the paratype. Scale bar units = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.8177781" httpUri="https://zenodo.org/record/8177781/files/figure.png" pageId="158" pageNumber="159">Fig. 96</figureCitation>
;
<tableCitation id="C6C1D8B9CA9785D1FD32F962FC2B8361" box="[764,921,1778,1804]" captionStart-0="Table 93" captionStart-1="Table 94" captionStartId-0="160.[189,258,265,291]" captionStartId-1="160.[189,258,483,509]" captionTargetPageId-0="160" captionTargetPageId-1="160" captionText-0="Table 93. Conch measurements, ratios and rates of Weyerella lenis sp. nov. from Oberrödinghausen." captionText-1="Table 94. Conch ontogeny of Weyerella lenis sp. nov. from Oberrödinghausen." httpUri-0="http://table.plazi.org/id/DF3CBD8ACAA985EFFF73FE99FAE6854E" httpUri-1="http://table.plazi.org/id/DF3CBD8ACAA985EFFF73FE73FBEB8590" pageId="158" pageNumber="159" tableUuid-0="DF3CBD8ACAA985EFFF73FE99FAE6854E" tableUuid-1="DF3CBD8ACAA985EFFF73FE73FBEB8590">Tables 9394</tableCitation>
</paragraph>
</subSubSection>
<subSubSection id="C359BE89CA9785D1FF73F8A3FBA38388" pageId="158" pageNumber="159" type="diagnosis">
<paragraph id="8BFCED02CA9785D1FF73F8A3FE848320" blockId="158.[189,310,1843,1869]" box="[189,310,1843,1869]" pageId="158" pageNumber="159">
<heading id="D0B45A6ECA9785D1FF73F8A3FE848320" bold="true" box="[189,310,1843,1869]" fontSize="11" level="3" pageId="158" pageNumber="159" reason="3">
<emphasis id="B9373110CA9785D1FF73F8A3FE848320" bold="true" box="[189,310,1843,1869]" pageId="158" pageNumber="159">Diagnosis</emphasis>
</heading>
</paragraph>
<paragraph id="8BFCED02CA9785D1FF73F8F2FBA38388" blockId="158.[189,1399,1890,2022]" pageId="158" pageNumber="159">
Species of
<taxonomicName id="4C439681CA9785D1FEF0F8F2FE038311" authorityName="Bockwinkel &amp; Ebbighausen" authorityYear="2006" box="[318,433,1890,1916]" class="Cephalopoda" family="Gattendorfiidae" genus="Weyerella" kingdom="Animalia" order="Goniatitida" pageId="158" pageNumber="159" phylum="Mollusca" rank="genus">
<emphasis id="B9373110CA9785D1FEF0F8F2FE038311" box="[318,433,1890,1916]" italics="true" pageId="158" pageNumber="159">Weyerella</emphasis>
</taxonomicName>
with a conch reaching
<quantity id="4CBB40E7CA9785D1FD0DF8F2FCA48311" box="[707,790,1890,1917]" metricMagnitude="-2" metricUnit="m" metricValue="2.5" pageId="158" pageNumber="159" unit="mm" value="25.0">25 mm</quantity>
diameter. Conch at
<quantity id="4CBB40E7CA9785D1FBCCF8F2FBE68311" box="[1026,1108,1890,1917]" metricMagnitude="-2" metricUnit="m" metricValue="1.5" pageId="158" pageNumber="159" unit="mm" value="15.0">15 mm</quantity>
dm extremely discoidal, subevolute (ww/dm ~0.32; uw/dm ~0.35). Whorl profile at
<quantity id="4CBB40E7CA9785D1FC5FF815FC5583CD" box="[913,999,1925,1952]" metricMagnitude="-2" metricUnit="m" metricValue="1.5" pageId="158" pageNumber="159" unit="mm" value="15.0">15 mm</quantity>
dm weakly compressed (ww/wh ~0.85); coiling rate very low (WER ~1.45). Venter continuously rounded, umbilical margin narrowly rounded. Shell nearly smooth; without constrictions on the shell surface.
</paragraph>
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<subSubSection id="C359BE89CA9685D0FF73FE99FC47853F" box="[189,1013,265,338]" pageId="159" pageNumber="160" type="etymology">
<paragraph id="8BFCED02CA9685D0FF73FE99FEF6854E" blockId="159.[189,324,265,291]" box="[189,324,265,291]" pageId="159" pageNumber="160">
<heading id="D0B45A6ECA9685D0FF73FE99FEF6854E" bold="true" box="[189,324,265,291]" fontSize="11" level="3" pageId="159" pageNumber="160" reason="3">
<emphasis id="B9373110CA9685D0FF73FE99FEF6854E" bold="true" box="[189,324,265,291]" pageId="159" pageNumber="160">Etymology</emphasis>
</heading>
</paragraph>
<paragraph id="8BFCED02CA9685D0FF73FEA8FC47853F" blockId="159.[189,1013,311,338]" box="[189,1013,311,338]" pageId="159" pageNumber="160">
From the Latin
<taxonomicName id="4C439681CA9685D0FEB0FEA7FE07853C" authorityName="Korn &amp; Weyer" authorityYear="2023" box="[382,437,311,337]" class="Cephalopoda" family="Gattendorfiidae" genus="Weyerella" kingdom="Animalia" order="Goniatitida" pageId="159" pageNumber="160" phylum="Mollusca" rank="species" species="lenis">
<emphasis id="B9373110CA9685D0FEB0FEA7FE07853C" box="[382,437,311,337]" italics="true" pageId="159" pageNumber="160">lenis</emphasis>
</taxonomicName>
= gentle, referring to the very weak ornament.
</paragraph>
</subSubSection>
<subSubSection id="C359BE89CA9685D0FF73FEE8FC9486E2" pageId="159" pageNumber="160" type="materials_examined">
<paragraph id="8BFCED02CA9685D0FF73FEE8FE1885FF" blockId="159.[189,426,376,402]" box="[189,426,376,402]" pageId="159" pageNumber="160">
<heading id="D0B45A6ECA9685D0FF73FEE8FE1885FF" bold="true" box="[189,426,376,402]" fontSize="11" level="3" pageId="159" pageNumber="160" reason="3">
<emphasis id="B9373110CA9685D0FF73FEE8FE1885FF" bold="true" box="[189,426,376,402]" pageId="159" pageNumber="160">Material examined</emphasis>
</heading>
</paragraph>
<paragraph id="8BFCED02CA9685D0FF24FE37FEEE85AC" blockId="159.[189,1398,423,520]" box="[234,348,423,449]" pageId="159" pageNumber="160">
<emphasis id="B9373110CA9685D0FF24FE37FEEE85AC" bold="true" box="[234,348,423,449]" pageId="159" pageNumber="160">
<typeStatus id="54F853A0CA9685D0FF24FE37FEEE85AC" box="[234,348,423,449]" pageId="159" pageNumber="160" type="holotype">Holotype</typeStatus>
</emphasis>
</paragraph>
<paragraph id="8BFCED02CA9685D0FF73FE5AFC258665" blockId="159.[189,1398,423,520]" pageId="159" pageNumber="160">
<materialsCitation id="3B2BE75FCA9685D0FF73FE5AFC258665" ID-GBIF-Occurrence="4165071409" country="Germany" location="Rhenish Mountains" pageId="159" pageNumber="160" specimenCount="1" typeStatus="holotype">
<collectingCountry id="F354AD92CA9685D0FF73FE5AFEE38589" box="[189,337,458,484]" name="Germany" pageId="159" pageNumber="160">GERMANY</collectingCountry>
<location id="8E9CBBD9CA9685D0FEA6FE5AFDE28589" LSID="urn:lsid:plazi:treatment:03EA5C14CA9785D0FD40F93BFBD280A7:8E9CBBD9CA9685D0FEA6FE5AFDE28589" box="[360,592,458,484]" country="Germany" name="Rhenish Mountains" pageId="159" pageNumber="160">Rhenish Mountains</location>
, Oberrödinghausen, railway cutting; Hangenberg Limestone, bed 2a; Weyer 19931994 Coll.; illustrated in
<figureCitation id="1378F187CA9685D0FD4EFE7DFD55866A" box="[640,743,493,519]" captionStart="Fig" captionStartId="159.[189,232,1856,1882]" captionTargetBox="[336,1252,1292,1821]" captionTargetId="figure-301@159.[336,1252,1292,1821]" captionTargetPageId="159" captionText="Fig. 96. Weyerella lenis sp. nov. from the Oberrödinghausen railway cutting. A. Holotype MB.C.31192 (Weyer 19931994 Coll.) from bed 2a. B. Cross section of paratype GPIT-PV-63929 (Vöhringer Coll.) from bed 2. CE. Ontogenetic development of the conch width index (ww/dm), umbilical width index (uw/dm), whorl width index (ww/wh) and whorl expansion rate (WER) of the holotype and the paratype. Scale bar units = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.8177781" httpUri="https://zenodo.org/record/8177781/files/figure.png" pageId="159" pageNumber="160">Fig. 96A</figureCitation>
; MB.C.31192.
</materialsCitation>
</paragraph>
<paragraph id="8BFCED02CA9685D0FF24FDBFFEEE8624" blockId="159.[189,1399,559,655]" box="[234,348,559,585]" pageId="159" pageNumber="160">
<emphasis id="B9373110CA9685D0FF24FDBFFEEE8624" bold="true" box="[234,348,559,585]" pageId="159" pageNumber="160">
<typeStatus id="54F853A0CA9685D0FF24FDBFFEEE8624" box="[234,348,559,585]" pageId="159" pageNumber="160" type="paratype">Paratype</typeStatus>
</emphasis>
</paragraph>
<paragraph id="8BFCED02CA9685D0FF73FDC2FC9486E2" blockId="159.[189,1399,559,655]" pageId="159" pageNumber="160">
<materialsCitation id="3B2BE75FCA9685D0FF73FDC2FC9086E2" ID-GBIF-Occurrence="4165071627" country="Germany" location="Rhenish Mountains" pageId="159" pageNumber="160" specimenCount="1" typeStatus="paratype">
<collectingCountry id="F354AD92CA9685D0FF73FDC2FEE38601" box="[189,337,594,620]" name="Germany" pageId="159" pageNumber="160">GERMANY</collectingCountry>
<specimenCount id="9D45268BCA9685D0FEB5FDC2FDBE8601" box="[379,524,594,620]" pageId="159" pageNumber="160" type="generic">1 specimen</specimenCount>
;
<location id="8E9CBBD9CA9685D0FDEEFDC2FCA08601" LSID="urn:lsid:plazi:treatment:03EA5C14CA9785D0FD40F93BFBD280A7:8E9CBBD9CA9685D0FDEEFDC2FCA08601" box="[544,786,594,620]" country="Germany" name="Rhenish Mountains" pageId="159" pageNumber="160">Rhenish Mountains</location>
, Oberrödinghausen, railway cutting; Hangenberg Limestone, bed 2; Vöhringer Coll.; GPIT-PV-63929
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="C359BE89CA9685D0FF73FD26FBBA8055" pageId="159" pageNumber="160" type="description">
<paragraph id="8BFCED02CA9685D0FF73FD26FEFC86BD" blockId="159.[189,334,694,720]" box="[189,334,694,720]" pageId="159" pageNumber="160">
<heading id="D0B45A6ECA9685D0FF73FD26FEFC86BD" bold="true" box="[189,334,694,720]" fontSize="11" level="3" pageId="159" pageNumber="160" reason="3">
<emphasis id="B9373110CA9685D0FF73FD26FEFC86BD" bold="true" box="[189,334,694,720]" pageId="159" pageNumber="160">Description</emphasis>
</heading>
</paragraph>
<paragraph id="8BFCED02CA9685D0FF73FD75FAD587E1" blockId="159.[189,1399,741,909]" pageId="159" pageNumber="160">
<typeStatus id="54F853A0CA9685D0FF73FD75FE988692" box="[189,298,741,767]" pageId="159" pageNumber="160" type="holotype">Holotype</typeStatus>
MB.C.31192 is an incomplete specimen with approximately
<quantity id="4CBB40E7CA9685D0FB85FD75FB1A876D" box="[1099,1192,741,768]" metricMagnitude="-2" metricUnit="m" metricValue="1.5" pageId="159" pageNumber="160" unit="mm" value="15.0">15 mm</quantity>
conch diameter (
<figureCitation id="1378F187CA9685D0FF08FC98FE85874F" box="[198,311,776,802]" captionStart="Fig" captionStartId="159.[189,232,1856,1882]" captionTargetBox="[336,1252,1292,1821]" captionTargetId="figure-301@159.[336,1252,1292,1821]" captionTargetPageId="159" captionText="Fig. 96. Weyerella lenis sp. nov. from the Oberrödinghausen railway cutting. A. Holotype MB.C.31192 (Weyer 19931994 Coll.) from bed 2a. B. Cross section of paratype GPIT-PV-63929 (Vöhringer Coll.) from bed 2. CE. Ontogenetic development of the conch width index (ww/dm), umbilical width index (uw/dm), whorl width index (ww/wh) and whorl expansion rate (WER) of the holotype and the paratype. Scale bar units = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.8177781" httpUri="https://zenodo.org/record/8177781/files/figure.png" pageId="159" pageNumber="160">Fig. 96A</figureCitation>
). It is thinly discoidal and subevolute (ww/dm = 0.34; uw/dm = 0.36); the whorl profile is weakly compressed (ww/dm = 0.91) with slightly flattened, convergent flanks and a continuously rounded venter. The coiling rate is low (WER = 1.44). The shell surface appears to be completely smooth with the exception of a few barely discernible radial folds that extend backwards on the flank.
</paragraph>
<paragraph id="8BFCED02CA9685D0FF73FC24FBBA8055" blockId="159.[188,1399,947,1080]" pageId="159" pageNumber="160">
<typeStatus id="54F853A0CA9685D0FF73FC24FE9687A3" box="[189,292,948,974]" pageId="159" pageNumber="160" type="paratype">Paratype</typeStatus>
GPIT-PV-63929 had already been sectioned by Vöhringer, but not illustrated. It allows the study of all whorls up to a conch diameter of
<quantity id="4CBB40E7CA9685D0FD02FC47FCBD879C" box="[716,783,983,1009]" metricMagnitude="-3" metricUnit="m" metricValue="9.0" pageId="159" pageNumber="160" unit="mm" value="9.0">9 mm</quantity>
(
<figureCitation id="1378F187CA9685D0FCD0FC47FC3B879C" box="[798,905,983,1009]" captionStart="Fig" captionStartId="159.[189,232,1856,1882]" captionTargetBox="[336,1252,1292,1821]" captionTargetId="figure-301@159.[336,1252,1292,1821]" captionTargetPageId="159" captionText="Fig. 96. Weyerella lenis sp. nov. from the Oberrödinghausen railway cutting. A. Holotype MB.C.31192 (Weyer 19931994 Coll.) from bed 2a. B. Cross section of paratype GPIT-PV-63929 (Vöhringer Coll.) from bed 2. CE. Ontogenetic development of the conch width index (ww/dm), umbilical width index (uw/dm), whorl width index (ww/wh) and whorl expansion rate (WER) of the holotype and the paratype. Scale bar units = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.8177781" httpUri="https://zenodo.org/record/8177781/files/figure.png" pageId="159" pageNumber="160">Fig. 96B</figureCitation>
). The whorl profile is kidney-shaped up to
<quantity id="4CBB40E7CA9685D0FF73FC6AFEB28079" box="[189,256,1018,1045]" metricMagnitude="-3" metricUnit="m" metricValue="5.0" pageId="159" pageNumber="160" unit="mm" value="5.0">5 mm</quantity>
conch diameter, thereafter it becomes C-shaped with increasing enclosure of the preceding whorl. The aperture is low in all stages; the coiling rate is always close to 1.50.
</paragraph>
</subSubSection>
<subSubSection id="C359BE89CA9685D0FF73FBCFFBD280A7" pageId="159" pageNumber="160" type="discussion">
<paragraph id="8BFCED02CA9685D0FF73FBCFFE9D8014" blockId="159.[189,303,1119,1145]" box="[189,303,1119,1145]" pageId="159" pageNumber="160">
<heading id="D0B45A6ECA9685D0FF73FBCFFE9D8014" bold="true" box="[189,303,1119,1145]" fontSize="11" level="3" pageId="159" pageNumber="160" reason="3">
<emphasis id="B9373110CA9685D0FF73FBCFFE9D8014" bold="true" box="[189,303,1119,1145]" pageId="159" pageNumber="160">Remarks</emphasis>
</heading>
</paragraph>
<paragraph id="8BFCED02CA9685D0FF73FB1DFBD280A7" blockId="159.[189,1398,1165,1227]" pageId="159" pageNumber="160">
<taxonomicName id="4C439681CA9685D0FF73FB1DFEDD80CA" authority="Korn &amp; Weyer, 2023" authorityName="Korn &amp; Weyer" authorityYear="2023" box="[189,367,1165,1191]" class="Cephalopoda" family="Gattendorfiidae" genus="Weyerella" kingdom="Animalia" order="Goniatitida" pageId="159" pageNumber="160" phylum="Mollusca" rank="species" species="lenis" status="sp. nov.">
<emphasis id="B9373110CA9685D0FF73FB1DFEDD80CA" box="[189,367,1165,1191]" italics="true" pageId="159" pageNumber="160">Weyerella lenis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2048C6BCA9685D0FEB6FB1EFE6180C5" box="[376,467,1166,1192]" pageId="159" pageNumber="160" rank="species">sp. nov.</taxonomicNameLabel>
differs from all the other species of the genus
<taxonomicName id="4C439681CA9685D0FC30FB1DFBC380CA" authorityName="Bockwinkel &amp; Ebbighausen" authorityYear="2006" box="[1022,1137,1165,1191]" class="Cephalopoda" family="Gattendorfiidae" genus="Weyerella" kingdom="Animalia" order="Goniatitida" pageId="159" pageNumber="160" phylum="Mollusca" rank="genus">
<emphasis id="B9373110CA9685D0FC30FB1DFBC380CA" box="[1022,1137,1165,1191]" italics="true" pageId="159" pageNumber="160">Weyerella</emphasis>
</taxonomicName>
in the combination of the very slender conch, the low coiling rate (WER ~1.50) and the smooth shell.
</paragraph>
</subSubSection>
</treatment>
</document>