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<document id="5C1A9FD995956F4657BE3BF9A8DB3BA3" ID-DOI="10.5852/ejt.2024.923.2445" ID-ISSN="2118-9773" ID-Zenodo-Dep="10727741" ID-ZooBank="AD68CEDD-2F2D-4010-BE7A-1B1AE9E4A0F3" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="tatiana" IM.metadata_approvedBy="felipe" 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="E54587AB386F0B2EFDCAFE135211FC3A" 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="Trochaclis regalis , Marshall 1995" docType="treatment" docVersion="1" lastPageNumber="51" masterDocId="197CFFD3385E0B1CFF9BFFC25776FFD3" masterDocTitle="The Vetigastropoda (Mollusca) of Walters Shoal, with descriptions of two new genera and thirty new species" masterLastPageNumber="119" masterPageNumber="1" pageNumber="50" updateTime="1710414732225" updateUser="tatiana" 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="24BE1D924E881A4C474C15E0D5CDA294">The Vetigastropoda (Mollusca) of Walters Shoal, with descriptions of two new genera and thirty new species</mods:title>
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<mods:namePart id="6156FC61852E9876413659E0F3853522">Herbert, David G.</mods:namePart>
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<mods:date id="FD708DF2093A0D040CEDAC48D5CAFCFB">2024</mods:date>
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<treatment id="E54587AB386F0B2EFDCAFE135211FC3A" LSID="urn:lsid:plazi:treatment:E54587AB386F0B2EFDCAFE135211FC3A" httpUri="http://treatment.plazi.org/id/E54587AB386F0B2EFDCAFE135211FC3A" lastPageId="50" lastPageNumber="51" pageId="49" pageNumber="50">
<subSubSection id="25F66536386F0B2DFDCAFE135495FE3F" box="[593,995,465,492]" pageId="49" pageNumber="50" type="nomenclature">
<paragraph id="6D5336BD386F0B2DFDCAFE135495FE3F" blockId="49.[593,995,465,526]" box="[593,995,465,492]" pageId="49" pageNumber="50">
<heading id="361B81D1386F0B2DFDCAFE135495FE3F" box="[593,995,465,492]" centered="true" fontSize="11" level="2" pageId="49" pageNumber="50" reason="2">
<taxonomicName id="AAEC4D3E386F0B2DFDCAFE135495FE3F" ID-CoL="596GT" authority="Marshall, 1995" authorityName=", Marshall" authorityYear="1995" box="[593,995,465,492]" class="Gastropoda" family="Trochaclididae" genus="Trochaclis" kingdom="Animalia" order="Seguenziida" pageId="49" pageNumber="50" phylum="Mollusca" rank="species" species="regalis">
<emphasis id="5F98EAAF386F0B2DFDCAFE13545FFE3F" bold="true" box="[593,809,465,492]" italics="true" pageId="49" pageNumber="50">Trochaclis regalis</emphasis>
<bibRefCitation id="097D4B4C386F0B2DFCAAFE135495FE3F" author="Marshall B. A." box="[817,995,465,492]" pageId="49" pageNumber="50" pagination="92 - 115" refId="ref61818" refString="Marshall B. A. 1995. Recent and Tertiary Trochaclididae from the southwest Pacific (Mollusca: Gastropoda: Trochidae). The Veliger 38 (2): 92 - 115. Available from https: // www. biodiversitylibrary. org / page / 42466754 [accessed 10 Feb. 2024]." type="journal article" year="1995">Marshall, 1995</bibRefCitation>
</taxonomicName>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="25F66536386F0B2DFD6BFE365435FDDD" box="[752,835,500,526]" pageId="49" pageNumber="50" type="description">
<paragraph id="6D5336BD386F0B2DFD6BFE365435FDDD" blockId="49.[593,995,465,526]" box="[752,835,500,526]" pageId="49" pageNumber="50">
<figureCitation id="F5D72A38386F0B2DFD6BFE365435FDDD" box="[752,835,500,526]" captionStart="Fig" captionStartId="49.[189,232,1841,1867]" captionTargetBox="[189,1399,996,1795]" captionTargetId="figure-173@49.[189,1399,996,1795]" captionTargetPageId="49" captionText="Fig. 22. Trochaclis regalisMarshall, 1995,Walters Shoal, stn DW4881 (MNHN). A–C.Apertural, oblique basal and apical views of specimen with persistent shoulder cord, diameter 1.1 mm. D. Protoconch of A, scale bar=100 μm. E–F. Apertural and apical views of specimen with shoulder cord evanescing after first whorl, diameter 1.1 mm." figureDoi="http://doi.org/10.5281/zenodo.10727801" httpUri="https://zenodo.org/record/10727801/files/figure.png" pageId="49" pageNumber="50">Fig. 22</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="25F66536386F0B2DFF26FDF45459FD83" box="[189,815,565,592]" pageId="49" pageNumber="50" type="reference_group">
<paragraph id="6D5336BD386F0B2DFF26FDF45459FD83" blockId="49.[189,1398,565,627]" box="[189,815,565,592]" pageId="49" pageNumber="50">
<treatmentCitationGroup id="4DFC1193386F0B2DFF26FDF45459FD83" box="[189,815,565,592]" pageId="49" pageNumber="50">
<treatmentCitation id="EC4D10AC386F0B2DFF26FDF45501FD83" author="Marshall B. A." box="[189,631,565,592]" page="97" pageId="49" pageNumber="50" year="1995">
<taxonomicName id="AAEC4D3E386F0B2DFF26FDF45501FD83" ID-CoL="596GT" authority="Marshall, 1995: 97" authorityName=", Marshall" authorityPageNumber="97" authorityYear="1995" box="[189,631,565,592]" class="Gastropoda" family="Trochaclididae" genus="Trochaclis" kingdom="Animalia" order="Seguenziida" pageId="49" pageNumber="50" phylum="Mollusca" rank="species" species="regalis">
<emphasis id="5F98EAAF386F0B2DFF26FDF456F9FD83" box="[189,399,566,592]" italics="true" pageId="49" pageNumber="50">Trochaclis regalis</emphasis>
<bibRefCitation id="097D4B4C386F0B2DFE0DFDF45501FD83" author="Marshall B. A." box="[406,631,565,592]" pageId="49" pageNumber="50" pagination="92 - 115" refId="ref61818" refString="Marshall B. A. 1995. Recent and Tertiary Trochaclididae from the southwest Pacific (Mollusca: Gastropoda: Trochidae). The Veliger 38 (2): 92 - 115. Available from https: // www. biodiversitylibrary. org / page / 42466754 [accessed 10 Feb. 2024]." type="journal article" year="1995">Marshall, 1995: 97</bibRefCitation>
</taxonomicName>
</treatmentCitation>
, figs 11–12, 15.
</treatmentCitationGroup>
</paragraph>
</subSubSection>
<subSubSection id="25F66536386F0B2DFCADFDF4526AFCD5" pageId="49" pageNumber="50" type="materials_examined">
<paragraph id="6D5336BD386F0B2DFCADFDF45627FDA0" blockId="49.[189,1398,565,627]" pageId="49" pageNumber="50">
<materialsCitation id="DD843CE0386F0B2DFCADFDF45627FDA0" country="New Zealand" location="off Three Kings Islands" originalDetermination="Trochaclis regalis Marshall, 1995" pageId="49" pageNumber="50" specimenCount="1" typeStatus="type">
<typeStatus id="B257881F386F0B2DFCADFDF45406FD83" box="[822,880,566,592]" pageId="49" pageNumber="50">Type</typeStatus>
loc.:
<location id="68336066386F0B2DFC29FDF453BFFD83" LSID="urn:lsid:plazi:treatment:E54587AB386F0B2EFDCAFE135211FC3A:68336066386F0B2DFC29FDF453BFFD83" box="[946,1225,566,592]" country="New Zealand" name="off Three Kings Islands" pageId="49" pageNumber="50">off Three Kings Islands</location>
, northern
<collectingCountry id="15FB762D386F0B2DFAA4FDF4563AFDA0" name="New Zealand" pageId="49" pageNumber="50">New Zealand</collectingCountry>
.
</materialsCitation>
</paragraph>
<paragraph id="6D5336BD386F0B2DFF26FD5856DCFD67" blockId="49.[189,426,666,692]" box="[189,426,666,692]" pageId="49" pageNumber="50">
<heading id="361B81D1386F0B2DFF26FD5856DCFD67" bold="true" box="[189,426,666,692]" fontSize="11" level="3" pageId="49" pageNumber="50" reason="3">
<emphasis id="5F98EAAF386F0B2DFF26FD5856DCFD67" bold="true" box="[189,426,666,692]" pageId="49" pageNumber="50">Material examined</emphasis>
</heading>
</paragraph>
<paragraph id="6D5336BD386F0B2DFF26FD0B526AFCD5" blockId="49.[189,1399,711,775]" pageId="49" pageNumber="50">
<materialsCitation id="DD843CE0386F0B2DFF26FD0B563DFCD5" collectingDate="2017-05-02" collectionCode="MNHN" elevation="380" latitude="-33.266666" location="WALTERS SHOAL" longLatPrecision="1205" longitude="43.833332" pageId="49" pageNumber="50" specimenCount="2">
<location id="68336066386F0B2DFF26FD0B56DBFD30" LSID="urn:lsid:plazi:treatment:E54587AB386F0B2EFDCAFE135211FC3A:68336066386F0B2DFF26FD0B56DBFD30" box="[189,429,713,739]" latitude="-33.266666" longLatPrecision="1205" longitude="43.833332" name="WALTERS SHOAL" pageId="49" pageNumber="50">WALTERS SHOAL</location>
–
<emphasis id="5F98EAAF386F0B2DFE4BFD0B556DFD30" bold="true" box="[464,539,713,739]" pageId="49" pageNumber="50">slopes</emphasis>
•
<specimenCount id="7BEAFD34386F0B2DFDA1FD0B553FFD30" box="[570,585,713,739]" pageId="49" pageNumber="50">2</specimenCount>
empty shells; stn DW4881;
<geoCoordinate id="08D8507A386F0B2DFC3DFD055379FD30" box="[934,1039,711,739]" degrees="33" direction="south" minutes="16" orientation="latitude" pageId="49" pageNumber="50" precision="925" value="-33.266666">33°16′ S</geoCoordinate>
,
<geoCoordinate id="08D8507A386F0B2DFB84FD0553FAFD30" box="[1055,1164,711,739]" degrees="43" direction="east" minutes="50" orientation="longitude" pageId="49" pageNumber="50" precision="925" value="43.833332">43°50′ E</geoCoordinate>
; depth
<quantity id="AA149B58386F0B2DFB7DFD0B5207FD30" box="[1254,1393,713,739]" metricMagnitude="2" metricUnit="m" metricValue="3.7950000000000004" metricValueMax="3.8200000000000003" metricValueMin="3.7700000000000005" pageId="49" pageNumber="50" unit="m" value="379.5" valueMax="382.0" valueMin="377.0">
<elevation id="E6C1D18E386F0B2DFB7DFD0B5207FD30" box="[1254,1393,713,739]" metricMagnitude="2" metricUnit="m" metricValue="3.7950000000000004" metricValueMax="3.8200000000000003" metricValueMin="3.7700000000000005" pageId="49" pageNumber="50" unit="m" value="379.5" valueMax="382.0" valueMin="377.0">377–382 m</elevation>
</quantity>
;
<date id="1952107D386F0B2DFF26FD2E563DFCD5" box="[189,331,748,775]" pageId="49" pageNumber="50" value="2017-05-02">
<collectingDate id="0916E995386F0B2DFF26FD2E563DFCD5" box="[189,331,748,775]" pageId="49" pageNumber="50" value="2017-05-02">2 May 2017</collectingDate>
</date>
</materialsCitation>
•
<materialsCitation id="DD843CE0386F0B2DFEFFFD2E526AFCD5" box="[356,1308,746,775]" collectingDate="2017-05-03" elevation="578" latitude="-33.283333" location="WALTERS SHOAL" longLatPrecision="1205" longitude="43.933334" pageId="49" pageNumber="50" specimenCount="3">
<specimenCount id="7BEAFD34386F0B2DFEFFFD2E5605FCD5" box="[356,371,748,774]" pageId="49" pageNumber="50">3</specimenCount>
empty shells; stn DW4886;
<geoCoordinate id="08D8507A386F0B2DFD5AFD285451FCD5" box="[705,807,746,774]" degrees="33" direction="south" minutes="17" orientation="latitude" pageId="49" pageNumber="50" precision="925" value="-33.283333">33°17′ S</geoCoordinate>
,
<geoCoordinate id="08D8507A386F0B2DFCAFFD2854E8FCD4" box="[820,926,746,775]" degrees="43" direction="east" minutes="56" orientation="longitude" pageId="49" pageNumber="50" precision="925" value="43.933334">43°56′ E</geoCoordinate>
; depth
<quantity id="AA149B58386F0B2DFC69FD2E530CFCD4" box="[1010,1146,748,775]" metricMagnitude="2" metricUnit="m" metricValue="5.775" metricValueMax="5.82" metricValueMin="5.7299999999999995" pageId="49" pageNumber="50" unit="m" value="577.5" valueMax="582.0" valueMin="573.0">
<elevation id="E6C1D18E386F0B2DFC69FD2E530CFCD4" box="[1010,1146,748,775]" metricMagnitude="2" metricUnit="m" metricValue="5.775" metricValueMax="5.82" metricValueMin="5.7299999999999995" pageId="49" pageNumber="50" unit="m" value="577.5" valueMax="582.0" valueMin="573.0">573–582 m</elevation>
</quantity>
;
<date id="1952107D386F0B2DFB1CFD2E526EFCD5" box="[1159,1304,748,775]" pageId="49" pageNumber="50" value="2017-05-03">
<collectingDate id="0916E995386F0B2DFB1CFD2E526EFCD5" box="[1159,1304,748,775]" pageId="49" pageNumber="50" value="2017-05-03">3 May 2017</collectingDate>
</date>
.
</materialsCitation>
</paragraph>
</subSubSection>
<subSubSection id="25F66536386F0B2DFF26FCEF5266FC4A" pageId="49" pageNumber="50" type="distribution">
<paragraph id="6D5336BD386F0B2DFF26FCEF5620FC94" blockId="49.[189,342,813,839]" box="[189,342,813,839]" pageId="49" pageNumber="50">
<heading id="361B81D1386F0B2DFF26FCEF5620FC94" bold="true" box="[189,342,813,839]" fontSize="11" level="3" pageId="49" pageNumber="50" reason="3">
<emphasis id="5F98EAAF386F0B2DFF26FCEF5620FC94" bold="true" box="[189,342,813,839]" pageId="49" pageNumber="50">Distribution</emphasis>
</heading>
</paragraph>
<paragraph id="6D5336BD386F0B2DFF26FC9E5266FC4A" blockId="49.[189,1399,860,922]" pageId="49" pageNumber="50">
Recorded from the vicinity of the Three Kings Islands, off northern
<collectingCountry id="15FB762D386F0B2DFC47FC9F530FFCA5" box="[988,1145,860,887]" name="New Zealand" pageId="49" pageNumber="50">New Zealand</collectingCountry>
(
<quantity id="AA149B58386F0B2DFB12FC9E5267FCA5" box="[1161,1297,860,886]" metricMagnitude="2" metricUnit="m" metricValue="5.1" metricValueMax="7.1" metricValueMin="3.1" pageId="49" pageNumber="50" unit="m" value="510.0" valueMax="710.0" valueMin="310.0">310–710 m</quantity>
) and the slopes of Walters Shoal (
<quantity id="AA149B58386F0B2DFE44FCBD551CFC4A" box="[479,618,895,922]" metricMagnitude="2" metricUnit="m" metricValue="4.775" metricValueMax="5.7299999999999995" metricValueMin="3.82" pageId="49" pageNumber="50" unit="m" value="477.5" valueMax="573.0" valueMin="382.0">382–573 m</quantity>
); dredged on sandy substrata; living specimens unknown.
</paragraph>
</subSubSection>
<caption id="39936635386F0B2DFF26F8F35565F866" ID-DOI="http://doi.org/10.5281/zenodo.10727801" ID-Zenodo-Dep="10727801" httpUri="https://zenodo.org/record/10727801/files/figure.png" pageId="49" pageNumber="50" startId="49.[189,232,1841,1867]" targetBox="[189,1399,996,1795]" targetPageId="49">
<paragraph id="6D5336BD386F0B2DFF26F8F35565F866" blockId="49.[184,1399,1841,1973]" pageId="49" pageNumber="50">
<emphasis id="5F98EAAF386F0B2DFF26F8F35663F898" bold="true" box="[189,277,1841,1867]" pageId="49" pageNumber="50">Fig. 22.</emphasis>
<taxonomicName id="AAEC4D3E386F0B2DFE81F8F355ECF89F" authority="Marshall, 1995" authorityName=", Marshall" authorityYear="1995" box="[282,666,1841,1868]" class="Gastropoda" family="Trochaclididae" genus="Trochaclis" kingdom="Animalia" order="Seguenziida" pageId="49" pageNumber="50" phylum="Mollusca" rank="species" species="regalis">
<emphasis id="5F98EAAF386F0B2DFE81F8F3569FF898" box="[282,489,1841,1867]" italics="true" pageId="49" pageNumber="50">Trochaclis regalis</emphasis>
<bibRefCitation id="097D4B4C386F0B2DFE71F8F355ECF89F" author="Marshall B. A." box="[490,666,1841,1868]" pageId="49" pageNumber="50" pagination="92 - 115" refId="ref61818" refString="Marshall B. A. 1995. Recent and Tertiary Trochaclididae from the southwest Pacific (Mollusca: Gastropoda: Trochidae). The Veliger 38 (2): 92 - 115. Available from https: // www. biodiversitylibrary. org / page / 42466754 [accessed 10 Feb. 2024]." type="journal article" year="1995">Marshall, 1995</bibRefCitation>
</taxonomicName>
,Walters Shoal, stn DW4881 (MNHN).
<emphasis id="5F98EAAF386F0B2DFBC6F8F353E0F898" bold="true" box="[1117,1174,1841,1867]" pageId="49" pageNumber="50">A–C</emphasis>
.Apertural, oblique basal and apical views of specimen with persistent shoulder cord, diameter 1.1 mm.
<emphasis id="5F98EAAF386F0B2DFB37F89653B6F8BD" bold="true" box="[1196,1216,1876,1902]" pageId="49" pageNumber="50">D</emphasis>
. Protoconch of A, scale bar=100 μm.
<emphasis id="5F98EAAF386F0B2DFE5EF8BA568EF841" bold="true" box="[453,504,1912,1938]" pageId="49" pageNumber="50">E–F</emphasis>
. Apertural and apical views of specimen with shoulder cord evanescing after first whorl, diameter 1.1 mm.
</paragraph>
</caption>
<subSubSection id="25F66536386C0B2EFF26FECB5211FC3A" pageId="50" pageNumber="51" type="discussion">
<paragraph id="6D5336BD386C0B2EFF26FECB5659FEF0" blockId="50.[189,303,265,291]" box="[189,303,265,291]" pageId="50" pageNumber="51">
<heading id="361B81D1386C0B2EFF26FECB5659FEF0" bold="true" box="[189,303,265,291]" fontSize="11" level="3" pageId="50" pageNumber="51" reason="3">
<emphasis id="5F98EAAF386C0B2EFF26FECB5659FEF0" bold="true" box="[189,303,265,291]" pageId="50" pageNumber="51">Remarks</emphasis>
</heading>
</paragraph>
<paragraph id="6D5336BD386C0B2EFF26FEF55462FCB2" blockId="50.[188,1401,311,866]" pageId="50" pageNumber="51">
When describing
<taxonomicName id="AAEC4D3E386C0B2EFE06FEF55423FE81" authority=", Marshall (1995)" authorityName=", Marshall" authorityYear="1995" box="[413,853,311,338]" class="Gastropoda" family="Trochaclididae" genus="Trochaclis" kingdom="Animalia" order="Seguenziida" pageId="50" pageNumber="51" phylum="Mollusca" rank="species" species="regalis">
<emphasis id="5F98EAAF386C0B2EFE06FEF55501FE82" box="[413,631,311,337]" italics="true" pageId="50" pageNumber="51">Trochaclis regalis</emphasis>
,
<bibRefCitation id="097D4B4C386C0B2EFD14FEF55423FE81" author="Marshall B. A." box="[655,853,311,338]" pageId="50" pageNumber="51" pagination="92 - 115" refId="ref61818" refString="Marshall B. A. 1995. Recent and Tertiary Trochaclididae from the southwest Pacific (Mollusca: Gastropoda: Trochidae). The Veliger 38 (2): 92 - 115. Available from https: // www. biodiversitylibrary. org / page / 42466754 [accessed 10 Feb. 2024]." type="journal article" year="1995">Marshall (1995)</bibRefCitation>
</taxonomicName>
noted that it was ‘exceedingly similar’ to
<taxonomicName id="AAEC4D3E386C0B2EFF26FE99558CFEA7" authority="Waren, Carrozza &amp; Rocchini, 1992" authorityName="Waren, Carrozza &amp; Rocchini" authorityYear="1992" box="[189,762,346,372]" class="Gastropoda" family="Trochaclididae" genus="Trochaclis" kingdom="Animalia" order="Seguenziida" pageId="50" pageNumber="51" phylum="Mollusca" rank="species" species="versiliensis">
<emphasis id="5F98EAAF386C0B2EFF26FE99562AFEA7" box="[189,348,346,372]" italics="true" pageId="50" pageNumber="51">T. versiliensis</emphasis>
Warén, Carrozza &amp; Rocchini, 1992
</taxonomicName>
from the western Mediterranean and adjacent Atlantic, the only difference being the degree of persistence of the spiral rib on the early teleoconch whorls. Given the absence of shared species in the vetigastropod faunas of the NE Atlantic and
<collectingCountry id="15FB762D386C0B2EFBF8FE635275FE68" box="[1123,1283,417,443]" name="New Zealand" pageId="50" pageNumber="51">New Zealand</collectingCountry>
, Marshall considered the
<collectingCountry id="15FB762D386C0B2EFEEFFE065562FE0D" box="[372,532,452,478]" name="New Zealand" pageId="50" pageNumber="51">New Zealand</collectingCountry>
material to be specifically distinct and believed that further differences would be found when the soft parts became available for comparison. The material from Walters Shoal is likewise ‘exceedingly similar’ to
<taxonomicName id="AAEC4D3E386C0B2EFD22FDC9545EFDF7" authorityName=", Marshall" authorityYear="1995" box="[697,808,522,548]" class="Gastropoda" family="Trochaclididae" genus="Trochaclis" kingdom="Animalia" order="Seguenziida" pageId="50" pageNumber="51" phylum="Mollusca" rank="species" species="regalis">
<emphasis id="5F98EAAF386C0B2EFD22FDC9545EFDF7" box="[697,808,522,548]" italics="true" pageId="50" pageNumber="51">T. regalis</emphasis>
</taxonomicName>
and
<taxonomicName id="AAEC4D3E386C0B2EFCFDFDC95370FDF7" authorityName="Waren, Carrozza &amp; Rocchini" authorityYear="1992" box="[870,1030,522,548]" class="Gastropoda" family="Trochaclididae" genus="Trochaclis" kingdom="Animalia" order="Seguenziida" pageId="50" pageNumber="51" phylum="Mollusca" rank="species" species="versiliensis">
<emphasis id="5F98EAAF386C0B2EFCFDFDC95370FDF7" box="[870,1030,522,548]" italics="true" pageId="50" pageNumber="51">T. versiliensis</emphasis>
</taxonomicName>
. In this instance, however, the vetigastropod faunas of the upper bathyal (archibenthic) zone of the south-western Indian Ocean and the region north of
<collectingCountry id="15FB762D386C0B2EFEF4FD93557DFDB8" box="[367,523,593,619]" name="New Zealand" pageId="50" pageNumber="51">New Zealand</collectingCountry>
not uncommonly contain shared, widely distributed species, including four species discussed herein,
<taxonomicName id="AAEC4D3E386C0B2EFE6BFDB65478FD5D" baseAuthorityName="Powell" baseAuthorityYear="1940" box="[496,782,628,654]" class="Gastropoda" family="Trochaclididae" genus="Acremodontina" kingdom="Animalia" order="Seguenziida" pageId="50" pageNumber="51" phylum="Mollusca" rank="species" species="carinata">
<emphasis id="5F98EAAF386C0B2EFE6BFDB65478FD5D" box="[496,782,628,654]" italics="true" pageId="50" pageNumber="51">Acremodontina carinata</emphasis>
</taxonomicName>
,
<taxonomicName id="AAEC4D3E386C0B2EFC85FDB6548DFD5D" authorityName="McLean" authorityYear="1992" box="[798,1019,628,654]" class="Gastropoda" family="Choristellidae" genus="Bichoristes" kingdom="Animalia" order="Seguenziida" pageId="50" pageNumber="51" phylum="Mollusca" rank="species" species="wareni">
<emphasis id="5F98EAAF386C0B2EFC85FDB6548DFD5D" box="[798,1019,628,654]" italics="true" pageId="50" pageNumber="51">Bichoristes wareni</emphasis>
</taxonomicName>
,
<taxonomicName id="AAEC4D3E386C0B2EFB97FDB653DBFD5D" baseAuthorityName="Dell" baseAuthorityYear="1967" box="[1036,1197,628,654]" class="Gastropoda" family="Turbinidae" genus="Bolma" kingdom="Animalia" order="Trochida" pageId="50" pageNumber="51" phylum="Mollusca" rank="species" species="recens">
<emphasis id="5F98EAAF386C0B2EFB97FDB653DBFD5D" box="[1036,1197,628,654]" italics="true" pageId="50" pageNumber="51">Bolma recens</emphasis>
</taxonomicName>
and
<taxonomicName id="AAEC4D3E386C0B2EFB71FDB6563EFD62" authorityName="Marshall" authorityYear="1979" class="Gastropoda" family="Eucyclidae" genus="Calliotropis" kingdom="Animalia" order="Seguenziida" pageId="50" pageNumber="51" phylum="Mollusca" rank="species" species="eucheloides">
<emphasis id="5F98EAAF386C0B2EFB71FDB6563EFD62" italics="true" pageId="50" pageNumber="51">Calliotropis eucheloides</emphasis>
</taxonomicName>
, as well as
<taxonomicName id="AAEC4D3E386C0B2EFE7FFD5554C8FD62" authority="Marshall, 1979" authorityName="Marshall" authorityYear="1979" box="[484,958,663,689]" class="Gastropoda" family="Eucyclidae" genus="Calliotropis" kingdom="Animalia" order="Seguenziida" pageId="50" pageNumber="51" phylum="Mollusca" rank="species" species="acherontis">
<emphasis id="5F98EAAF386C0B2EFE7FFD55558EFD62" box="[484,760,663,689]" italics="true" pageId="50" pageNumber="51">Calliotropis acherontis</emphasis>
<bibRefCitation id="097D4B4C386C0B2EFC9FFD5554C8FD62" author="Marshall B. A." box="[772,958,663,689]" pageId="50" pageNumber="51" pagination="521 - 552" refId="ref61519" refString="Marshall B. A. 1979. The Trochidae and Turbinidae of the Kermadec Ridge (Mollusca: Gastropoda). New Zealand Journal of Zoology 6 (4): 521 - 552. https: // doi. org / 10.1080 / 03014223.1979.10428396" type="journal article" year="1979">Marshall, 1979</bibRefCitation>
</taxonomicName>
. The
<specimenCount id="7BEAFD34386C0B2EFB93FD5553CDFD62" box="[1032,1211,663,689]" count="5" pageId="50" pageNumber="51" type="generic">five specimens</specimenCount>
available from Walters Shoal show considerable variability in the strength and persistence of the spiral rib. It is distinct and delineates a shoulder-like angulation on the first teleoconch whorl in all specimens, but extends only to 1.25 whorls in some (
<figureCitation id="F5D72A38386C0B2EFE4FFCC3554DFCC8" box="[468,571,769,795]" captionStart="Fig" captionStartId="49.[189,232,1841,1867]" captionTargetBox="[189,1399,996,1795]" captionTargetId="figure-173@49.[189,1399,996,1795]" captionTargetPageId="49" captionText="Fig. 22. Trochaclis regalisMarshall, 1995,Walters Shoal, stn DW4881 (MNHN). A–C.Apertural, oblique basal and apical views of specimen with persistent shoulder cord, diameter 1.1 mm. D. Protoconch of A, scale bar=100 μm. E–F. Apertural and apical views of specimen with shoulder cord evanescing after first whorl, diameter 1.1 mm." figureDoi="http://doi.org/10.5281/zenodo.10727801" httpUri="https://zenodo.org/record/10727801/files/figure.png" pageId="50" pageNumber="51">Fig. 22F</figureCitation>
), to 1.75 whorls in others and even to the outer lip at 2.25 whorls in one (
<figureCitation id="F5D72A38386C0B2EFF5EFCE65645FCED" box="[197,307,804,830]" captionStart="Fig" captionStartId="49.[189,232,1841,1867]" captionTargetBox="[189,1399,996,1795]" captionTargetId="figure-173@49.[189,1399,996,1795]" captionTargetPageId="49" captionText="Fig. 22. Trochaclis regalisMarshall, 1995,Walters Shoal, stn DW4881 (MNHN). A–C.Apertural, oblique basal and apical views of specimen with persistent shoulder cord, diameter 1.1 mm. D. Protoconch of A, scale bar=100 μm. E–F. Apertural and apical views of specimen with shoulder cord evanescing after first whorl, diameter 1.1 mm." figureDoi="http://doi.org/10.5281/zenodo.10727801" httpUri="https://zenodo.org/record/10727801/files/figure.png" pageId="50" pageNumber="51">Fig. 22C</figureCitation>
). Since I can find no diagnostic characters by which to separate the specimens from Walters Shoal from
<taxonomicName id="AAEC4D3E386C0B2EFEDCFC8A56C2FCB2" authorityName=", Marshall" authorityYear="1995" box="[327,436,839,865]" class="Gastropoda" family="Trochaclididae" genus="Trochaclis" kingdom="Animalia" order="Seguenziida" pageId="50" pageNumber="51" phylum="Mollusca" rank="species" species="regalis">
<emphasis id="5F98EAAF386C0B2EFEDCFC8A56C2FCB2" box="[327,436,839,865]" italics="true" pageId="50" pageNumber="51">T. regalis</emphasis>
</taxonomicName>
, I regard them as conspecific.
</paragraph>
<paragraph id="6D5336BD386C0B2EFF26FC4A5211FC3A" blockId="50.[189,1399,904,1001]" pageId="50" pageNumber="51">
<taxonomicName id="AAEC4D3E386C0B2EFF26FC4A5529FC70" authority="Hoffman, 2020" authorityName="Hoffman" authorityYear="2020" box="[189,607,904,931]" class="Gastropoda" family="Skeneidae" genus="Moelleriopsis" kingdom="Animalia" order="Seguenziida" pageId="50" pageNumber="51" phylum="Mollusca" rank="species" species="gritta">
<emphasis id="5F98EAAF386C0B2EFF26FC4A56D0FC71" box="[189,422,904,930]" italics="true" pageId="50" pageNumber="51">Moelleriopsis gritta</emphasis>
<bibRefCitation id="097D4B4C386C0B2EFE36FC4A5529FC70" author="Hoffman L. &amp; Gofas S. &amp; Freiwald A." box="[429,607,904,931]" pageId="50" pageNumber="51" 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, 2020</bibRefCitation>
</taxonomicName>
from the Azorean region is superficially similar to specimens of the present species in which the spiral rib persists to the aperture, but that species is larger (diameter up to
<quantity id="AA149B58386C0B2EFF25FC0D566CFC3A" box="[190,282,975,1001]" metricMagnitude="-3" metricUnit="m" metricValue="2.8" pageId="50" pageNumber="51" unit="mm" value="2.8">2.8 mm</quantity>
) and its protoconch bears spiral threads and does not project above the first teleoconch whorl.
</paragraph>
</subSubSection>
</treatment>
</document>
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