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<document id="0A572124DC6655347F2ECDFF4EE36CAF" ID-DOI="10.5852/ejt.2024.923.2445" ID-GBIF-Dataset="01232941-b1fd-4c18-b269-e97169b18908" ID-ISSN="2118-9773" ID-Zenodo-Dep="10727741" ID-ZooBank="AD68CEDD-2F2D-4010-BE7A-1B1AE9E4A0F3" IM.bibliography_approvedBy="tatiana" IM.illustrations_approvedBy="tatiana" IM.materialsCitations_approvedBy="tatiana" IM.metadata_approvedBy="tatiana" IM.tables_approvedBy="tatiana" IM.taxonomicNames_approvedBy="tatiana" IM.treatmentCitations_approvedBy="tatiana" IM.treatments_approvedBy="tatiana" checkinTime="1709215085450" checkinUser="plazi" docAuthor="Herbert, David G." docDate="2024" docId="E54587AB381E0B5DFDE5FB5F539FF9EB" docLanguage="en" docName="EJT.2024.923.1-119.pdf.imf" docOrigin="European Journal of Taxonomy 923" docSource="https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/2445/10835" docStyle="DocumentStyle:EF2B578F1D15862ADE45B0C07C620911.14:EJT.2018-.journal_article.type1" docStyleId="EF2B578F1D15862ADE45B0C07C620911" docStyleName="EJT.2018-.journal_article.type1" docStyleVersion="14" docTitle="Trenchia mcleani Herbert 2024, sp. nov." docType="treatment" docUuid="15A3EF83-0D84-40E8-A2E3-69A4CA507FE3" docUuidSource="ZooBank" docVersion="6" lastPageNumber="66" masterDocId="197CFFD3385E0B1CFF9BFFC25776FFD3" masterDocTitle="The Vetigastropoda (Mollusca) of Walters Shoal, with descriptions of two new genera and thirty new species" masterLastPageNumber="119" masterPageNumber="1" pageNumber="65" updateTime="1732578736835" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0" zenodo-license-figures="CC-BY-4.0" zenodo-license-treatments="UNSPECIFIED">
<mods:mods id="2C0B84676CA45D09B39FB4DD26FF9739" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:title id="AE738ACDEF7A3EB64C5D57653174B33D">The Vetigastropoda (Mollusca) of Walters Shoal, with descriptions of two new genera and thirty new species</mods:title>
</mods:titleInfo>
<mods:name id="619B83F95A3A95B91A1815ACE311C631" type="personal">
<mods:role id="C0DA6D0F924A5A0740B3024C2C31FE94">
<mods:roleTerm id="141DC995D8DBBBB36B69FB253EC1A639">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="5460502E0FE0FD37438F3C0BF2F35512">Herbert, David G.</mods:namePart>
<mods:nameIdentifier id="88DD8EEC8AC4DA6CFFB64748C460316D" type="LSID">0C09EE45-6198-482E-857A-EF690C2A016F</mods:nameIdentifier>
<mods:affiliation id="FAE619D650FDEDABD5B18F312B265117">Department of Natural Sciences, National Museum Wales, Cathays Park, Cardiff, CF 10 3 NP, UK. Institute of Systematics, Evolution, Biodiversity (ISYEB), Muséum national d’histoire naturelle, CNRS, SU, EPHE, UA, CP 51, 57 rue Cuvier, 75005 Paris, France.</mods:affiliation>
<mods:nameIdentifier id="4ACA22398F54BDDA4EF4DE00D7F3B59D" type="email">phasianella@gmail.com</mods:nameIdentifier>
</mods:name>
<mods:typeOfResource id="8C8DDC830AD619241F3134599412AB21">text</mods:typeOfResource>
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<mods:title id="A175937EF57C2FDF8E9447E3E2B2D3AB">European Journal of Taxonomy</mods:title>
</mods:titleInfo>
<mods:part id="7565911765A8A67E57C4755AFE50153D">
<mods:date id="7C0079EE70C36818553FAB652C634D18">2024</mods:date>
<mods:detail id="58878C086B98D71AA803AEB6E291C904" type="pubDate">
<mods:number id="939BF202841E65EA8D45D81658020479">2024-02-28</mods:number>
</mods:detail>
<mods:detail id="753AE3C4AC2647DFAE5CED354C7C6F67" type="volume">
<mods:number id="A205382E820D89DBA48F9E14A2E63713">923</mods:number>
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<mods:start id="433CF105B020BE14B18A1286A7E5EDE3">1</mods:start>
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<mods:url id="3A57C2F260B5C75D8D7C719C3FD3FF3E">https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/2445/10835</mods:url>
</mods:location>
<mods:classification id="8E904B30C4863F3EE4480B2DF17E4A01">journal article</mods:classification>
<mods:identifier id="F15970E2707B71889A57DE9357A0863B" type="DOI">10.5852/ejt.2024.923.2445</mods:identifier>
<mods:identifier id="8AD55BB09973F42C808E5B27B1871610" type="GBIF-Dataset">01232941-b1fd-4c18-b269-e97169b18908</mods:identifier>
<mods:identifier id="62FA501A046F492B40B1AC0576E6ADB5" type="ISSN">2118-9773</mods:identifier>
<mods:identifier id="E6B6185FE576ACEBE0960E79F4301EA2" type="Zenodo-Dep">10727741</mods:identifier>
<mods:identifier id="C74DC2339CD014C9D87E41E58A281965" type="ZooBank">AD68CEDD-2F2D-4010-BE7A-1B1AE9E4A0F3</mods:identifier>
</mods:mods>
<treatment id="E54587AB381E0B5DFDE5FB5F539FF9EB" ID-DOI="http://doi.org/10.5281/zenodo.10818396" ID-GBIF-Taxon="223179301" ID-Zenodo-Dep="10818396" LSID="urn:lsid:zoobank.org:act:15A3EF83-0D84-40E8-A2E3-69A4CA507FE3" httpUri="http://treatment.plazi.org/id/E54587AB381E0B5DFDE5FB5F539FF9EB" lastPageId="65" lastPageNumber="66" pageId="64" pageNumber="65" scope_class="Gastropoda" scope_family="Trochaclididae" scope_order="Seguenziida" scope_phylum="Mollusca" scope_subClass="Vetigastropoda" scope_superFamily="Seguenzioidea">
<subSubSection id="25F66536381E0B5CFDE5FB5F54C0FB6B" box="[638,950,1181,1208]" pageId="64" pageNumber="65" type="nomenclature">
<paragraph id="6D5336BD381E0B5CFDE5FB5F54C0FB6B" blockId="64.[414,1270,1181,1282]" box="[638,950,1181,1208]" pageId="64" pageNumber="65">
<heading id="361B81D1381E0B5CFDE5FB5F54C0FB6B" box="[638,950,1181,1208]" centered="true" fontSize="11" level="2" pageId="64" pageNumber="65" reason="2">
<taxonomicName id="AAEC4D3E381E0B5CFDE5FB5F5425FB6B" ID-CoL="C8KZN" authority="Herbert, 2024" authorityName="Herbert" authorityYear="2024" box="[638,851,1181,1208]" class="Gastropoda" family="Unassigned" genus="Trenchia" kingdom="Animalia" order="Seguenziida" pageId="64" pageNumber="65" phylum="Mollusca" rank="species" species="mcleani" status="sp. nov." superFamily="Seguenzioidea">
<emphasis id="5F98EAAF381E0B5CFDE5FB5F5425FB6B" bold="true" box="[638,851,1181,1208]" italics="true" pageId="64" pageNumber="65">Trenchia mcleani</emphasis>
</taxonomicName>
<taxonomicNameLabel id="44AB57D4381E0B5CFCC0FB5C54C0FB6B" box="[859,950,1182,1208]" pageId="64" pageNumber="65" rank="species">sp. nov.</taxonomicNameLabel>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="25F66536381E0B5CFE05FB005418FAD1" pageId="64" pageNumber="65" type="description">
<paragraph id="6D5336BD381E0B5CFE05FB005380FB0E" blockId="64.[414,1270,1181,1282]" box="[414,1270,1218,1245]" pageId="64" pageNumber="65">
<uri id="197D3ABF381E0B5CFE05FB005380FB0E" box="[414,1270,1218,1245]" pageId="64" pageNumber="65">
urn:lsid:zoobank.org:act:
<uuid id="194A0C68381E0B5CFD5AFB005380FB0E" box="[705,1270,1218,1245]" pageId="64" pageNumber="65">15A3EF83-0D84-40E8-A2E3-69A4CA507FE3</uuid>
</uri>
</paragraph>
<paragraph id="6D5336BD381E0B5CFD5EFB255418FAD1" blockId="64.[414,1270,1181,1282]" box="[709,878,1255,1282]" pageId="64" pageNumber="65">
<figureCitation id="F5D72A38381E0B5CFD5EFB255418FAD1" box="[709,878,1255,1282]" captionStart="Fig" captionStartId="63.[189,232,1833,1859]" captionTargetBox="[189,1399,517,1782]" captionTargetId="figure-133@63.[189,1399,517,1782]" captionTargetPageId="63" captionText="Fig. 26. A–C, G. Lissotesta wareni sp. nov. A–B. Apertural and oblique basal views of holotype, height 1.0 mm (MNHN-IM-2000-38091). C. Apical view, diameter 0.86 mm (paratype, MNHN- IM-2000-38092). G. Protoconch (paratype, MNHN-IM-2000-38092). D–F, H. Trenchia mcleani sp. nov., holotype (MNHN-IM-2000-38093). D–F. Apertural, oblique and apical basal views, diameter 2.9 mm. H. Protoconch. Scale bars= 100 μm." figureDoi="http://doi.org/10.5281/zenodo.10727818" httpUri="https://zenodo.org/record/10727818/files/figure.png" pageId="64" pageNumber="65">Fig. 26D–F, H</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="25F66536381E0B5CFF26FAE854EDF9D4" pageId="64" pageNumber="65" type="diagnosis">
<paragraph id="6D5336BD381E0B5CFF26FAE85640FA97" blockId="64.[189,310,1322,1348]" box="[189,310,1322,1348]" pageId="64" pageNumber="65">
<heading id="361B81D1381E0B5CFF26FAE85640FA97" bold="true" box="[189,310,1322,1348]" fontSize="11" level="3" pageId="64" pageNumber="65" reason="3">
<emphasis id="5F98EAAF381E0B5CFF26FAE85640FA97" bold="true" box="[189,310,1322,1348]" pageId="64" pageNumber="65">Diagnosis</emphasis>
</heading>
</paragraph>
<paragraph id="6D5336BD381E0B5CFF26FA9854EDF9D4" blockId="64.[189,1399,1370,1543]" pageId="64" pageNumber="65">Shell small, wider than high, whorls rapidly expanding; spire flattened; spire whorls with low but distinct spiral rib at whorl summit, evanescing on second half of last adult whorl; base with a strong carina emerging from point of insertion of columella lip; a stronger, flange-like carina bordering and spiralling into umbilicus; aperture large, distinctly flattened in columella region; columella lip almost vertical; umbilicus wide. Protoconch evidently lacking spiral sculpture.</paragraph>
</subSubSection>
<subSubSection id="25F66536381E0B5CFF26F9F35529F916" pageId="64" pageNumber="65" type="etymology">
<paragraph id="6D5336BD381E0B5CFF26F9F35632F998" blockId="64.[189,324,1585,1611]" box="[189,324,1585,1611]" pageId="64" pageNumber="65">
<heading id="361B81D1381E0B5CFF26F9F35632F998" bold="true" box="[189,324,1585,1611]" fontSize="11" level="3" pageId="64" pageNumber="65" reason="3">
<emphasis id="5F98EAAF381E0B5CFF26F9F35632F998" bold="true" box="[189,324,1585,1611]" pageId="64" pageNumber="65">Etymology</emphasis>
</heading>
</paragraph>
<paragraph id="6D5336BD381E0B5CFF26F9A25529F916" blockId="64.[188,1399,1632,1733]" pageId="64" pageNumber="65">
Named for the late Dr James H. McLean (Natural History Museum, Los
<collectingRegion id="AF28F85F381E0B5CFB9AF9A25317F9A9" box="[1025,1121,1632,1658]" country="Philippines" name="Angeles" pageId="64" pageNumber="65">Angeles</collectingRegion>
County), in recognition of his very considerable contribution to vetigastropod taxonomy and systematics, and of his friendship and support during my early career.
</paragraph>
</subSubSection>
<subSubSection id="25F66536381E0B5CFF26F92F522EF83B" pageId="64" pageNumber="65" type="materials_examined">
<paragraph id="6D5336BD381E0B5CFF26F92F56DCF8D4" blockId="64.[189,426,1773,1799]" box="[189,426,1773,1799]" pageId="64" pageNumber="65">
<heading id="361B81D1381E0B5CFF26F92F56DCF8D4" bold="true" box="[189,426,1773,1799]" fontSize="11" level="3" pageId="64" pageNumber="65" reason="3">
<emphasis id="5F98EAAF381E0B5CFF26F92F56DCF8D4" bold="true" box="[189,426,1773,1799]" pageId="64" pageNumber="65">Material examined</emphasis>
</heading>
</paragraph>
<materialsCitation id="DD843CE0381E0B5CFF71F8DF55F8F852" ID-GBIF-Occurrence="4538174506" collectingDate="2017-05-11" collectionCode="MNHN" elevation="1577" latitude="-33.866665" location="WALTERS SHOAL" longLatPrecision="1202" longitude="44.083332" pageId="64" pageNumber="65" specimenCode="MNHN-IM-2000-38093" specimenCount="1" typeStatus="holotype">
<paragraph id="6D5336BD381E0B5CFF71F8DF562AF8E4" blockId="64.[189,1399,1821,1921]" box="[234,348,1821,1847]" pageId="64" pageNumber="65">
<emphasis id="5F98EAAF381E0B5CFF71F8DF562AF8E4" bold="true" box="[234,348,1821,1847]" pageId="64" pageNumber="65">
<typeStatus id="B257881F381E0B5CFF71F8DF562AF8E4" box="[234,348,1821,1847]" pageId="64" pageNumber="65" type="holotype">Holotype</typeStatus>
</emphasis>
</paragraph>
<paragraph id="6D5336BD381E0B5CFF26F88055F8F852" blockId="64.[189,1399,1821,1921]" pageId="64" pageNumber="65">
<location id="68336066381E0B5CFF26F88056DBF88F" LSID="urn:lsid:plazi:treatment:E54587AB381E0B5DFDE5FB5F539FF9EB:68336066381E0B5CFF26F88056DBF88F" box="[189,429,1858,1884]" latitude="-33.866665" longLatPrecision="1202" longitude="44.083332" name="WALTERS SHOAL" pageId="64" pageNumber="65">WALTERS SHOAL</location>
• empty shell; south plain, stn CP4913;
<geoCoordinate id="08D8507A381E0B5CFC0AF882548FF88F" box="[913,1017,1856,1884]" degrees="33" direction="south" minutes="52" orientation="latitude" pageId="64" pageNumber="65" precision="925" value="-33.866665">33°52′ S</geoCoordinate>
,
<geoCoordinate id="08D8507A381E0B5CFB9CF8825304F88F" box="[1031,1138,1856,1884]" degrees="44" direction="east" minutes="05" orientation="longitude" pageId="64" pageNumber="65" precision="925" value="44.083332">44°05′ E</geoCoordinate>
; depth
<quantity id="AA149B58381E0B5CFB51F8805207F88F" box="[1226,1393,1858,1885]" metricMagnitude="3" metricUnit="m" metricValue="1.577" metricValueMax="1.6149999999999998" metricValueMin="1.539" pageId="64" pageNumber="65" unit="m" value="1577.0" valueMax="1615.0" valueMin="1539.0">
<elevation id="E6C1D18E381E0B5CFB51F8805207F88F" box="[1226,1393,1858,1885]" metricMagnitude="3" metricUnit="m" metricValue="1.577" metricValueMax="1.6149999999999998" metricValueMin="1.539" pageId="64" pageNumber="65" unit="m" value="1577.0" valueMax="1615.0" valueMin="1539.0">1539–1615 m</elevation>
</quantity>
;
<date id="1952107D381E0B5CFF26F8A5562AF852" box="[189,348,1895,1921]" pageId="64" pageNumber="65" value="2017-05-11">
<collectingDate id="0916E995381E0B5CFF26F8A5562AF852" box="[189,348,1895,1921]" pageId="64" pageNumber="65" value="2017-05-11">11 May 2017</collectingDate>
</date>
;
<specimenCode id="3D4A9EC6381E0B5CFEF3F8A555FDF852" box="[360,651,1895,1921]" pageId="64" pageNumber="65">MNHN-IM-2000-38093</specimenCode>
.
</paragraph>
</materialsCitation>
<materialsCitation id="DD843CE0381E0B5CFF71F868522EF83B" ID-GBIF-Occurrence="4538174340" collectingDate="2017-05-11" collectionCode="MNHN" elevation="1577" latitude="-33.866665" location="WALTERS SHOAL" longLatPrecision="1202" longitude="44.083332" pageId="64" pageNumber="65" specimenCode="MNHN-IM-2000-38094" specimenCount="3" typeStatus="paratype">
<paragraph id="6D5336BD381E0B5CFF71F8685611F817" blockId="64.[189,1368,1962,2025]" box="[234,359,1962,1988]" pageId="64" pageNumber="65">
<emphasis id="5F98EAAF381E0B5CFF71F8685611F817" bold="true" box="[234,359,1962,1988]" pageId="64" pageNumber="65">
<typeStatus id="B257881F381E0B5CFF71F8685611F817" box="[234,359,1962,1988]" pageId="64" pageNumber="65" type="paratype">Paratypes</typeStatus>
</emphasis>
</paragraph>
<paragraph id="6D5336BD381E0B5CFF26F80C522EF83B" blockId="64.[189,1368,1962,2025]" box="[189,1368,1998,2025]" pageId="64" pageNumber="65">
<location id="68336066381E0B5CFF26F80C56DDF83B" LSID="urn:lsid:plazi:treatment:E54587AB381E0B5DFDE5FB5F539FF9EB:68336066381E0B5CFF26F80C56DDF83B" box="[189,427,1998,2024]" name="WALTERS SHOAL" pageId="64" pageNumber="65">WALTERS SHOAL</location>
•
<specimenCount id="7BEAFD34381E0B5CFE59F80C56A7F83B" box="[450,465,1998,2024]" pageId="64" pageNumber="65">3</specimenCount>
empty shells; same collection data as for
<typeStatus id="B257881F381E0B5CFC27F80C5350F83B" box="[956,1062,1998,2024]" pageId="64" pageNumber="65">holotype</typeStatus>
;
<specimenCode id="3D4A9EC6381E0B5CFBA9F80C5222F83B" box="[1074,1364,1998,2024]" pageId="64" pageNumber="65">MNHN-IM-2000-38094</specimenCode>
.
</paragraph>
</materialsCitation>
</subSubSection>
<subSubSection id="25F66536381F0B5DFF26FECA533DFBEE" pageId="65" pageNumber="66" type="description">
<paragraph id="6D5336BD381F0B5DFF26FECA5638FEF1" blockId="65.[189,334,264,290]" box="[189,334,264,290]" pageId="65" pageNumber="66">
<heading id="361B81D1381F0B5DFF26FECA5638FEF1" bold="true" box="[189,334,264,290]" fontSize="11" level="3" pageId="65" pageNumber="66" reason="3">
<emphasis id="5F98EAAF381F0B5DFF26FECA5638FEF1" bold="true" box="[189,334,264,290]" pageId="65" pageNumber="66">Description</emphasis>
</heading>
</paragraph>
<paragraph id="6D5336BD381F0B5DFF26FEF8560FFCF1" blockId="65.[189,1399,314,802]" pageId="65" pageNumber="66">
<smallCapsWord id="6BB5A061381F0B5DFF26FEF85677FE80" baselines="333,334" box="[189,257,314,340]" lowerCaseFontSize="8" mainFontSize="11" normCase="title" normString="Shell" pageId="65" pageNumber="66">SHELL</smallCapsWord>
. Small (diameter up to
<quantity id="AA149B58381F0B5DFD87FEF8550AFE87" box="[540,636,314,340]" metricMagnitude="-3" metricUnit="m" metricValue="2.9" pageId="65" pageNumber="66" unit="mm" value="2.9">2.9 mm</quantity>
), wider than high (H/D ± 0.69); teleoconch of up to 2.25 rapidly expanding whorls; spire flattened and slightly tilted, scarcely protruding above penultimate whorl; spire whorls with low but distinct spiral rib at whorl summit, prior to descent toward indented adapical suture; angulation begins as rounded ridge immediately after terminal lip of protoconch, subsequently weakening and evanescing on second half of last adult whorl; periphery evenly rounded; base with strong carina emerging from point of insertion of columella; a similar but stronger, flange-like carina marks border of umbilicus, ending at junction of basal and columella lips and spiralling steeply into umbilicus; inner portion of base between keels more or less flat, but flaring out to form umbilical keel; sculpture of close-set, microscopic, collabral threads and stronger, uneven growth-lines; no spiral microsculpture evident. Aperture weakly prosocline, roundly D-shaped, columella region distinctly flattened; peristome complete; inner lip mostly straight and almost vertical (slightly angled toward base of shell axis); thickened and flaring where umbilical keel meets basal lip; parietal lip short; outer lip and interior smooth.
</paragraph>
<paragraph id="6D5336BD381F0B5DFF26FC8F53F5FC67" blockId="65.[189,1398,845,948]" pageId="65" pageNumber="66">
<smallCapsWord id="6BB5A061381F0B5DFF26FC8F563AFCB6" baselines="864,864" box="[189,332,845,871]" lowerCaseFontSize="8" mainFontSize="11" normCase="title" normString="Protoconch" pageId="65" pageNumber="66">PROTOCONCH</smallCapsWord>
(
<figureCitation id="F5D72A38381F0B5DFEC4FC8F56B8FCB4" box="[351,462,845,871]" captionStart="Fig" captionStartId="63.[189,232,1833,1859]" captionTargetBox="[189,1399,517,1782]" captionTargetId="figure-133@63.[189,1399,517,1782]" captionTargetPageId="63" captionText="Fig. 26. A–C, G. Lissotesta wareni sp. nov. A–B. Apertural and oblique basal views of holotype, height 1.0 mm (MNHN-IM-2000-38091). C. Apical view, diameter 0.86 mm (paratype, MNHN- IM-2000-38092). G. Protoconch (paratype, MNHN-IM-2000-38092). D–F, H. Trenchia mcleani sp. nov., holotype (MNHN-IM-2000-38093). D–F. Apertural, oblique and apical basal views, diameter 2.9 mm. H. Protoconch. Scale bars= 100 μm." figureDoi="http://doi.org/10.5281/zenodo.10727818" httpUri="https://zenodo.org/record/10727818/files/figure.png" pageId="65" pageNumber="66">Fig. 26H</figureCitation>
). Diameter ± 275 μm, comprising ca 1.25 whorls; apical bulb rounded, but not globose or exsert; suture between apical bulb and terminal tube distinct; surface somewhat eroded but seemingly smooth, no spiral sculpture evident; terminal lip convex, not thickened.
</paragraph>
<paragraph id="6D5336BD381F0B5DFF26FC1D55D1FC2A" blockId="65.[189,679,990,1017]" box="[189,679,990,1017]" pageId="65" pageNumber="66">
<smallCapsWord id="6BB5A061381F0B5DFF26FC1D566EFC24" baselines="1010,1010" box="[189,280,991,1017]" lowerCaseFontSize="8" mainFontSize="11" normCase="title" normString="Colour" pageId="65" pageNumber="66">COLOUR</smallCapsWord>
. Uniformly cream-white, opaque.
</paragraph>
<paragraph id="6D5336BD381F0B5DFF26FBE6533DFBEE" blockId="65.[189,1099,1059,1086]" box="[189,1099,1059,1086]" pageId="65" pageNumber="66">
<smallCapsWord id="6BB5A061381F0B5DFF26FBE65634FBEF" baselines="1079,1079" box="[189,322,1060,1086]" lowerCaseFontSize="8" mainFontSize="11" normCase="title" normString="Dimensions" pageId="65" pageNumber="66">DIMENSIONS</smallCapsWord>
.
<typeStatus id="B257881F381F0B5DFECAFBE156B7FBEE" box="[337,449,1059,1085]" pageId="65" pageNumber="66" type="holotype">Holotype</typeStatus>
, height 2.0 mm, diameter
<quantity id="AA149B58381F0B5DFD68FBE1543BFBED" box="[755,845,1059,1086]" metricMagnitude="-3" metricUnit="m" metricValue="2.9" pageId="65" pageNumber="66" unit="mm" value="2.9">2.9 mm</quantity>
(= largest specimen).
</paragraph>
</subSubSection>
<subSubSection id="25F66536381F0B5DFF26FBAA55B3FB09" pageId="65" pageNumber="66" type="distribution">
<paragraph id="6D5336BD381F0B5DFF26FBAA5620FB51" blockId="65.[189,342,1128,1154]" box="[189,342,1128,1154]" pageId="65" pageNumber="66">
<heading id="361B81D1381F0B5DFF26FBAA5620FB51" bold="true" box="[189,342,1128,1154]" fontSize="11" level="3" pageId="65" pageNumber="66" reason="3">
<emphasis id="5F98EAAF381F0B5DFF26FBAA5620FB51" bold="true" box="[189,342,1128,1154]" pageId="65" pageNumber="66">Distribution</emphasis>
</heading>
</paragraph>
<paragraph id="6D5336BD381F0B5DFF26FB5855B3FB09" blockId="65.[189,1400,1178,1242]" pageId="65" pageNumber="66">
Known only from the plain surrounding Walters Shoal, at depths of
<quantity id="AA149B58381F0B5DFC6BFB5853EEFB67" box="[1008,1176,1178,1205]" metricMagnitude="3" metricUnit="m" metricValue="1.577" metricValueMax="1.6149999999999998" metricValueMin="1.539" pageId="65" pageNumber="66" unit="m" value="1577.0" valueMax="1615.0" valueMin="1539.0">1539–1615 m</quantity>
; trawled on coarse sandy substrata; living specimens unknown.
</paragraph>
</subSubSection>
<subSubSection id="25F66536381F0B5DFF26FAC7539FF9EB" pageId="65" pageNumber="66" type="discussion">
<paragraph id="6D5336BD381F0B5DFF26FAC75659FACC" blockId="65.[189,303,1285,1311]" box="[189,303,1285,1311]" pageId="65" pageNumber="66">
<heading id="361B81D1381F0B5DFF26FAC75659FACC" bold="true" box="[189,303,1285,1311]" fontSize="11" level="3" pageId="65" pageNumber="66" reason="3">
<emphasis id="5F98EAAF381F0B5DFF26FAC75659FACC" bold="true" box="[189,303,1285,1311]" pageId="65" pageNumber="66">Remarks</emphasis>
</heading>
</paragraph>
<paragraph id="6D5336BD381F0B5DFF26FAF5539FF9EB" blockId="65.[189,1400,1335,1592]" pageId="65" pageNumber="66">
<taxonomicName id="AAEC4D3E381F0B5DFF26FAF556FFFA82" authority="Herbert, 2024" authorityName="Herbert" authorityYear="2024" box="[189,393,1335,1361]" class="Gastropoda" genus="Trenchia" kingdom="Animalia" order="Seguenziida" pageId="65" pageNumber="66" phylum="Mollusca" rank="species" species="mcleani" status="sp. nov.">
<emphasis id="5F98EAAF381F0B5DFF26FAF556FFFA82" box="[189,393,1335,1361]" italics="true" pageId="65" pageNumber="66">Trenchia mcleani</emphasis>
</taxonomicName>
<taxonomicNameLabel id="44AB57D4381F0B5DFE0BFAF5569DFA82" box="[400,491,1335,1361]" pageId="65" pageNumber="66" rank="species">sp. nov.</taxonomicNameLabel>
has a lower spire and more rapidly expanding last adult whorl than any other species of
<taxonomicName id="AAEC4D3E381F0B5DFEDBFA9F56D1FAA4" authorityName="Knudsen" authorityYear="1964" box="[320,423,1373,1399]" class="Gastropoda" genus="Trenchia" kingdom="Animalia" order="Seguenziida" pageId="65" pageNumber="66" phylum="Mollusca" rank="genus">
<emphasis id="5F98EAAF381F0B5DFEDBFA9F56D1FAA4" box="[320,423,1373,1399]" italics="true" pageId="65" pageNumber="66">Trenchia</emphasis>
</taxonomicName>
. The most geographically proximate species,
<taxonomicName id="AAEC4D3E381F0B5DFC43FA9C5258FAA4" authority="(Clarke, 1961)" baseAuthorityName="Clarke" baseAuthorityYear="1961" box="[984,1326,1373,1399]" class="Gastropoda" genus="Trenchia" kingdom="Animalia" order="Seguenziida" pageId="65" pageNumber="66" phylum="Mollusca" rank="species" species="agulhasae">
<emphasis id="5F98EAAF381F0B5DFC43FA9C5304FAA4" box="[984,1138,1373,1399]" italics="true" pageId="65" pageNumber="66">T. agulhasae</emphasis>
(Clarke, 1961)
</taxonomicName>
, from abyssal depths in the
<collectingRegion id="AF28F85F381F0B5DFE25FA46568CFA4D" box="[446,506,1412,1438]" country="South Africa" name="Western Cape" pageId="65" pageNumber="66">Cape</collectingRegion>
Basin,
<quantity id="AA149B58381F0B5DFDCDFA4655C8FA4D" box="[598,702,1412,1438]" metricMagnitude="6" metricUnit="m" metricValue="1.6" pageId="65" pageNumber="66" unit="km" value="1600.0">1600 km</quantity>
SW of
<collectingRegion id="AF28F85F381F0B5DFC86FA46542FFA4D" box="[797,857,1412,1438]" country="South Africa" name="Western Cape" pageId="65" pageNumber="66">Cape</collectingRegion>
Town, has a much more prominent spire and less auriform shape (
<typeStatus id="B257881F381F0B5DFE22FA685554FA17" box="[441,546,1450,1476]" pageId="65" pageNumber="66" type="holotype">holotype</typeStatus>
illustrated by
<bibRefCitation id="097D4B4C381F0B5DFD4AFA69540AFA17" author="McLean J. H." box="[721,892,1450,1477]" pageId="65" pageNumber="66" pagination="273 - 294" refId="ref62017" refString="McLean J. H. 1992. Systematic review of the family Choristellidae (Archaeogastropoda: Lepetellacea) with description of new species. The Veliger 35 (4): 273 - 294. Available from https: // www. biodiversitylibrary. org / page / 42467347 [accessed 10 Feb. 2024]." type="journal article" year="1992">McLean 1992</bibRefCitation>
: fig. 58). Perhaps the most similar species is
<taxonomicName id="AAEC4D3E381F0B5DFF42FA105509FA38" authority="Rubio &amp; Rolan, 2013" authorityName="Rubio &amp; Rolan" authorityYear="2013" box="[217,639,1489,1515]" class="Gastropoda" genus="Trenchia" kingdom="Animalia" order="Seguenziida" pageId="65" pageNumber="66" phylum="Mollusca" rank="species" species="biangulata">
<emphasis id="5F98EAAF381F0B5DFF42FA105600FA38" box="[217,374,1489,1515]" italics="true" pageId="65" pageNumber="66">T. biangulata</emphasis>
Rubio &amp; Rolán, 2013
</taxonomicName>
from the NE Atlantic, which also has a relatively low spire and strong peri-umbilical carina, but that species has a stronger shoulder carina, narrower umbilicus and a shorter, more oblique columella lip, as well as a less auriform shape (
<bibRefCitation id="097D4B4C381F0B5DFC72F9DC53ABF9EB" author="Hoffman L. &amp; Gofas S. &amp; Freiwald A." box="[1001,1245,1566,1592]" pageId="65" pageNumber="66" pagination="1 - 82" refId="ref61010" refString="Hoffman L., Gofas S. &amp; Freiwald A. 2020. A large biodiversity of &quot; skeneimorph &quot; (Gastropoda: Vetigastropoda) species from the South Azorean Seamount Chain, with the description of seventeen new species. Iberus 38 (supplement 9): 1 - 82." type="journal article" year="2020">
Hoffman
<emphasis id="5F98EAAF381F0B5DFBC0F9DD53F9F9EB" box="[1115,1167,1566,1592]" italics="true" pageId="65" pageNumber="66">et al</emphasis>
. 2020
</bibRefCitation>
).
</paragraph>
</subSubSection>
</treatment>
</document>
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