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<document ID-DOI="10.5733/afin.053.0209" ID-ISSN="2305-2562" ID-Zenodo-Dep="7918274" IM.bibliography_approvedBy="valdenar" IM.illustrations_approvedBy="valdenar" IM.materialsCitations_approvedBy="valdenar" IM.metadata_approvedBy="valdenar" IM.tables_requiresApprovalFor="GgImagineBatch" IM.taxonomicNames_approvedBy="valdenar" IM.treatmentCitations_approvedBy="valdenar" IM.treatments_approvedBy="valdenar" checkinTime="1683581517355" checkinUser="felipe" docAuthor="Herbert, D. G." docDate="2012" docId="0D38CE4BC204F761A2B470FBFCE8FCC8" docLanguage="en" docName="AfrInvertebr.53.2.381-502.pdf" docOrigin="African Invertebrates 53 (2)" docSource="http://www.bioone.org/doi/10.5733/afin.053.0209" docStyle="DocumentStyle:B78C63EC8CEBBB75364A82B35BB1F83D.4:AfrInvertebr.2008-2015.journal_article.0cover" docStyleId="B78C63EC8CEBBB75364A82B35BB1F83D" docStyleName="AfrInvertebr.2008-2015.journal_article.0cover" docStyleVersion="4" docTitle="Clypeostoma meteorae Herbert 2012, comb. n." docType="treatment" docVersion="3" lastPageNumber="409" masterDocId="F101B633C21FF77DA3357529FFF4FFB0" masterDocTitle="A revision of the Chilodontidae (Gastropoda: Vetigastropoda: Seguenzioidea) of southern Africa and the south-western Indian Ocean" masterLastPageNumber="381" masterPageNumber="381" pageNumber="408" updateTime="1683700561700" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>A revision of the Chilodontidae (Gastropoda: Vetigastropoda: Seguenzioidea) of southern Africa and the south-western Indian Ocean</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Herbert, D. G.</mods:namePart>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>African Invertebrates</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2012</mods:date>
<mods:detail type="pubDate">
<mods:number>2012-11-06</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>53</mods:number>
</mods:detail>
<mods:detail type="issue">
<mods:number>2</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>381</mods:start>
<mods:end>381</mods:end>
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<mods:url>http://www.bioone.org/doi/10.5733/afin.053.0209</mods:url>
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<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">10.5733/afin.053.0209</mods:identifier>
<mods:identifier type="ISSN">2305-2562</mods:identifier>
<mods:identifier type="Zenodo-Dep">7918274</mods:identifier>
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<treatment LSID="urn:lsid:plazi:treatment:0D38CE4BC204F761A2B470FBFCE8FCC8" httpUri="http://treatment.plazi.org/id/0D38CE4BC204F761A2B470FBFCE8FCC8" lastPageId="28" lastPageNumber="409" pageId="27" pageNumber="408">
<subSubSection box="[385,938,1490,1516]" pageId="27" pageNumber="408" type="nomenclature">
<paragraph blockId="27.[181,1142,1490,1673]" box="[385,938,1490,1516]" pageId="27" pageNumber="408">
<heading box="[385,938,1490,1516]" centered="true" fontSize="11" level="2" pageId="27" pageNumber="408" reason="3">
<taxonomicName ID-CoL="5ZDNQ" authority="(Neubert, 1998)" authorityName="Herbert" authorityYear="2012" baseAuthorityName="Neubert" baseAuthorityYear="1998" box="[385,829,1490,1516]" class="Gastropoda" family="Chilodontaidae" genus="Clypeostoma" kingdom="Animalia" order="Seguenziida" pageId="27" pageNumber="408" phylum="Mollusca" rank="species" species="meteorae" status="comb. n.">
<emphasis box="[385,643,1490,1516]" italics="true" pageId="27" pageNumber="408">Clypeostoma meteorae</emphasis>
(
<bibRefCitation author="NEUBERT, E." box="[657,820,1490,1516]" pageId="27" pageNumber="408" pagination="463 - 472" refId="ref77223" refString="NEUBERT, E. 1998. Six new species of marine gastropods from the Red Sea and Gulf of Aden. Fauna of Arabia 17: 463 - 472." type="journal article" year="1998">Neubert, 1998</bibRefCitation>
)
</taxonomicName>
<emphasis bold="true" box="[836,938,1490,1516]" pageId="27" pageNumber="408">
<taxonomicNameLabel box="[836,938,1490,1516]" pageId="27" pageNumber="408" rank="species">comb. n.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
</subSubSection>
<subSubSection box="[580,743,1530,1556]" pageId="27" pageNumber="408" type="description">
<paragraph blockId="27.[181,1142,1490,1673]" box="[580,743,1530,1556]" pageId="27" pageNumber="408">
<figureCitation box="[580,650,1530,1556]" captionStart="Fig" captionStartId="20.[144,177,782,804]" captionTargetBox="[151,1096,204,763]" captionTargetId="figure-216@20.[151,1096,204,763]" captionTargetPageId="20" captionText="Fig. 8. Distribution of Clypeostoma species in the south-western Indian Ocean. C. meteorae (squares), C. cf. nortoni (circles), C. reticulatum (cross) and C. salpinx (triangles). Each symbol represents one or more records." figureDoi="http://doi.org/10.5281/zenodo.7918292" httpUri="https://zenodo.org/record/7918292/files/figure.png" pageId="27" pageNumber="408">Figs 8</figureCitation>
,
<figureCitation box="[663,743,1530,1556]" captionStart="Fig" captionStartId="29.[181,213,1211,1233]" captionTargetBox="[181,1141,204,1184]" captionTargetId="figure-198@29.[181,1141,204,1184]" captionTargetPageId="29" captionText="Fig.12.Clypeostomaspecies:(A, B) C.meteorae (Neubert,1998),SW of Cap dAmbre,Antsiranana,northern Madagascar, length 6.9 mm (MNHN); (CE) C. meteorae, small specimen, off Mahajamba Bay, northern Madagascar, length 5.6 mm (MNHN); (F, G) Euchelus townsendianus Melvill &amp; Standen, 1903, figured syntype, length 10.4 mm (NHMUK 1903.12.15.119); (H, I) C. cf. nortoni (McLean, 1984), west of Nosy Be, northern Madagascar, length 9.6 mm (MNHN); (JL) C. cf. nortoni, large specimen, Sofala Bank, central Mozambique, length 14.6 mm (J. Rosado colln)." figureDoi="http://doi.org/10.5281/zenodo.7918302" httpUri="https://zenodo.org/record/7918302/files/figure.png" pageId="27" pageNumber="408">12AE</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="27" pageNumber="408" type="reference_group">
<paragraph blockId="27.[181,1142,1490,1673]" pageId="27" pageNumber="408">
<treatmentCitationGroup pageId="27" pageNumber="408">
<treatmentCitation author="NEUBERT, E." box="[181,556,1568,1590]" page="465" pageId="27" pageNumber="408" year="1998">
<taxonomicName ID-CoL="6636Y" authority=": Neubert 1998: 465" authorityName=": Neubert" authorityPageNumber="465" authorityYear="1998" box="[181,556,1568,1590]" class="Gastropoda" family="Chilodontaidae" genus="Agathodonta" kingdom="Animalia" order="Seguenziida" pageId="27" pageNumber="408" phylum="Mollusca" rank="species" species="meteorae">
<emphasis box="[181,382,1568,1590]" italics="true" pageId="27" pageNumber="408">Agathodonta meteorae</emphasis>
:
<materialsCitation box="[392,556,1568,1590]" country="Djibouti" elevation="45" latitude="12.356667" location="Red Sea - Gulf of Aden" longLatPrecision="129" longitude="43.448334" pageId="27" pageNumber="408" specimenCount="1">
<bibRefCitation author="NEUBERT, E." box="[392,556,1568,1590]" pageId="27" pageNumber="408" pagination="463 - 472" refId="ref77223" refString="NEUBERT, E. 1998. Six new species of marine gastropods from the Red Sea and Gulf of Aden. Fauna of Arabia 17: 463 - 472." type="journal article" year="1998">Neubert 1998: 465</bibRefCitation>
</materialsCitation>
</taxonomicName>
</treatmentCitation>
, figs 47.
<typeStatus box="[645,689,1569,1590]" pageId="27" pageNumber="408">Type</typeStatus>
loc.: Bab al-Mandab [Bab-el-Mandeb] (
<geoCoordinate box="[1051,1141,1568,1589]" degrees="12" direction="north" minutes="21.4" orientation="latitude" pageId="27" pageNumber="408" precision="92" value="12.356667">12°21.4'N</geoCoordinate>
<geoCoordinate box="[277,370,1592,1614]" degrees="43" direction="east" minutes="26.9" orientation="longitude" pageId="27" pageNumber="408" precision="92" value="43.448334">43°26.9'E</geoCoordinate>
), -
<quantity box="[392,442,1592,1614]" metricMagnitude="1" metricUnit="m" metricValue="4.5" pageId="27" pageNumber="408" unit="m" value="45.0">
<elevation box="[392,442,1592,1614]" metricMagnitude="1" metricUnit="m" metricValue="4.5" pageId="27" pageNumber="408" unit="m" value="45.0">45 m</elevation>
</quantity>
,
<collectingCountry box="[451,529,1592,1614]" name="Djibouti" pageId="27" pageNumber="408">Djibouti</collectingCountry>
,
<location LSID="urn:lsid:plazi:treatment:0D38CE4BC204F761A2B470FBFCE8FCC8:804E2986C204F766A12C7311FD1EF9FE" box="[537,746,1592,1614]" country="Djibouti" latitude="12.356667" longLatPrecision="129" longitude="43.448334" name="Red Sea - Gulf of Aden" pageId="27" pageNumber="408">Red SeaGulf of Aden</location>
.
</treatmentCitationGroup>
</paragraph>
</subSubSection>
<subSubSection lastPageId="28" lastPageNumber="409" pageId="27" pageNumber="408" type="materials_examined">
<paragraph blockId="27.[181,1142,1490,1673]" pageId="27" pageNumber="408">
<materialsCitation country="Madagascar" elevation="244" latitude="-12.133" location="South-west of Cap d'Ambre" longLatPrecision="77" longitude="48.933" municipality="Material" pageId="27" pageNumber="408" specimenCount="1" stateProvince="Antsiranana">
<collectingMunicipality box="[181,258,1627,1649]" pageId="27" pageNumber="408">Material</collectingMunicipality>
examined:
<collectingCountry box="[370,535,1627,1648]" name="Madagascar" pageId="27" pageNumber="408">MADAGASCAR</collectingCountry>
:
<location LSID="urn:lsid:plazi:treatment:0D38CE4BC204F761A2B470FBFCE8FCC8:804E2986C204F766A1177372FCDAF9C1" box="[546,814,1627,1649]" country="Madagascar" latitude="-12.133" longLatPrecision="77" longitude="48.933" municipality="Material" name="South-west of Cap d'Ambre" pageId="27" pageNumber="408" stateProvince="Antsiranana">South-west of Cap dAmbre</location>
,
<collectingRegion box="[825,935,1627,1649]" country="Madagascar" name="Antsiranana" pageId="27" pageNumber="408">Antsiranana</collectingRegion>
(
<geoCoordinate box="[950,1035,1627,1648]" degrees="12.133" direction="south" orientation="latitude" pageId="27" pageNumber="408" precision="55" value="-12.133">12.133°S</geoCoordinate>
<geoCoordinate box="[1043,1132,1627,1648]" degrees="48.933" direction="east" orientation="longitude" pageId="27" pageNumber="408" precision="55" value="48.933">48.933°E</geoCoordinate>
), -
<quantity box="[187,293,1651,1672]" metricMagnitude="2" metricUnit="m" metricValue="2.435" metricValueMax="2.4899999999999998" metricValueMin="2.38" pageId="27" pageNumber="408" unit="m" value="243.5" valueMax="249.0" valueMin="238.0">
<elevation box="[187,293,1651,1672]" metricMagnitude="2" metricUnit="m" metricValue="2.435" metricValueMax="2.4899999999999998" metricValueMin="2.38" pageId="27" pageNumber="408" unit="m" value="243.5" valueMax="249.0" valueMin="238.0">238249 m</elevation>
</quantity>
</materialsCitation>
,
<materialsCitation box="[300,1141,1651,1673]" collectingDate="2009-06-28" collectionCode="MNHN" country="Madagascar" latitude="-14.883" location="Mahajamba Bay" municipality="Campagne Miriky" pageId="27" pageNumber="408" specimenCount="1" stateProvince="Antsiranana">
<collectingMunicipality box="[300,459,1651,1672]" pageId="27" pageNumber="408">
Campagne
<emphasis box="[400,459,1651,1672]" italics="true" pageId="27" pageNumber="408">Miriky</emphasis>
</collectingMunicipality>
, stn DW3196, dredged,
<date box="[679,775,1651,1673]" pageId="27" pageNumber="408" value="2009-06-28">
<collectingDate box="[679,775,1651,1673]" pageId="27" pageNumber="408" value="2009-06-28">28.vi.2009</collectingDate>
</date>
(
<collectionCode box="[785,859,1651,1672]" country="France" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34988" lsid="urn:lsid:biocol.org:col:34988" name="Museum National d'Histoire Naturelle" pageId="27" pageNumber="408">MNHN</collectionCode>
); off
<location LSID="urn:lsid:plazi:treatment:0D38CE4BC204F761A2B470FBFCE8FCC8:804E2986C204F766A0B3735AFBE3F938" box="[902,1047,1651,1673]" country="Madagascar" latitude="-14.883" municipality="Campagne Miriky" name="Mahajamba Bay" pageId="27" pageNumber="408" stateProvince="Antsiranana">Mahajamba Bay</location>
(
<geoCoordinate box="[1058,1141,1651,1672]" degrees="14.883" direction="south" orientation="latitude" pageId="27" pageNumber="408" precision="55" value="-14.883">14.883°S</geoCoordinate>
</materialsCitation>
</paragraph>
<paragraph blockId="28.[144,1104,203,298]" pageId="28" pageNumber="409">
<materialsCitation box="[144,936,203,225]" collectingDate="2009-07-07" collectionCode="MNHN" elevation="174" longitude="46.933" pageId="28" pageNumber="409" specimenCount="1">
<geoCoordinate box="[144,233,203,225]" degrees="46.933" direction="east" orientation="longitude" pageId="28" pageNumber="409" precision="55" value="46.933">46.933°E</geoCoordinate>
), -
<quantity box="[254,349,203,225]" metricMagnitude="2" metricUnit="m" metricValue="1.735" metricValueMax="2.57" metricValueMin="0.9" pageId="28" pageNumber="409" unit="m" value="173.5" valueMax="257.0" valueMin="90.0">
<elevation box="[254,349,203,225]" metricMagnitude="2" metricUnit="m" metricValue="1.735" metricValueMax="2.57" metricValueMin="0.9" pageId="28" pageNumber="409" unit="m" value="173.5" valueMax="257.0" valueMin="90.0">90257 m</elevation>
</quantity>
, Campagne
<emphasis box="[461,521,203,224]" italics="true" pageId="28" pageNumber="409">Miriky</emphasis>
, stn DW3245, dredged,
<date box="[751,843,203,225]" pageId="28" pageNumber="409" value="2009-07-07">
<collectingDate box="[751,843,203,225]" pageId="28" pageNumber="409" value="2009-07-07">7.vii.2009</collectingDate>
</date>
(
<collectionCode box="[855,930,204,225]" country="France" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34988" lsid="urn:lsid:biocol.org:col:34988" name="Museum National d'Histoire Naturelle" pageId="28" pageNumber="409">MNHN</collectionCode>
)
</materialsCitation>
;
<materialsCitation collectingDate="2010-05-06" collectionCode="MNHN" elevation="131" latitude="-25.633" location="East of Faux-Cap" longLatPrecision="74" longitude="46.217" pageId="28" pageNumber="409" specimenCount="1">
<location LSID="urn:lsid:plazi:treatment:0D38CE4BC204F761A2B470FBFCE8FCC8:804E2986C203F761A08475E5FBBBFF51" box="[945,1103,203,225]" latitude="-25.633" longLatPrecision="74" longitude="46.217" name="East of Faux-Cap" pageId="28" pageNumber="409">East of Faux-Cap</location>
(
<geoCoordinate box="[150,235,227,249]" degrees="25.633" direction="south" orientation="latitude" pageId="28" pageNumber="409" precision="55" value="-25.633">25.633°S</geoCoordinate>
<geoCoordinate box="[243,332,227,249]" degrees="46.217" direction="east" orientation="longitude" pageId="28" pageNumber="409" precision="55" value="46.217">46.217°E</geoCoordinate>
), -
<quantity box="[356,466,228,249]" metricMagnitude="2" metricUnit="m" metricValue="1.305" metricValueMax="1.33" metricValueMin="1.28" pageId="28" pageNumber="409" unit="m" value="130.5" valueMax="133.0" valueMin="128.0">
<elevation box="[356,466,228,249]" metricMagnitude="2" metricUnit="m" metricValue="1.305" metricValueMax="1.33" metricValueMin="1.28" pageId="28" pageNumber="409" unit="m" value="130.5" valueMax="133.0" valueMin="128.0">128133 m</elevation>
</quantity>
, Expedn
<smallCapsWord baselines="244,243" box="[561,619,228,249]" lowerCaseFontSize="6" mainFontSize="9" normCase="title" normString="Atimo" pageId="28" pageNumber="409">ATIMO</smallCapsWord>
<smallCapsWord baselines="244,243" box="[626,682,228,249]" lowerCaseFontSize="6" mainFontSize="9" normCase="title" normString="Vatae" pageId="28" pageNumber="409">VATAE</smallCapsWord>
, stn CP3561, dredged
<emphasis box="[906,1012,228,249]" italics="true" pageId="28" pageNumber="409">Nosy Be 11</emphasis>
,
<date box="[1026,1104,227,249]" pageId="28" pageNumber="409" value="2010-05-06">
<collectingDate box="[1026,1104,227,249]" pageId="28" pageNumber="409" value="2010-05-06">6.v.2010</collectingDate>
</date>
(
<collectionCode box="[150,225,252,273]" country="France" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34988" lsid="urn:lsid:biocol.org:col:34988" name="Museum National d'Histoire Naturelle" pageId="28" pageNumber="409">MNHN</collectionCode>
)
</materialsCitation>
;
<materialsCitation collectingDate="2010-04-30" collectionCode="MNHN" elevation="82" latitude="-24.865" location="Lokaro" longLatPrecision="74" longitude="47.467" pageId="28" pageNumber="409" specimenCount="1">
between
<location LSID="urn:lsid:plazi:treatment:0D38CE4BC204F761A2B470FBFCE8FCC8:804E2986C203F761A27275D5FE7DFEA2" box="[327,393,252,274]" latitude="-24.865" longLatPrecision="74" longitude="47.467" name="Lokaro" pageId="28" pageNumber="409">Lokaro</location>
and Ste Luce (
<geoCoordinate box="[541,626,251,273]" degrees="24.865" direction="south" orientation="latitude" pageId="28" pageNumber="409" precision="55" value="-24.865">24.865°S</geoCoordinate>
<geoCoordinate box="[635,725,251,273]" degrees="47.467" direction="east" orientation="longitude" pageId="28" pageNumber="409" precision="55" value="47.467">47.467°E</geoCoordinate>
), -
<quantity box="[749,838,252,273]" metricMagnitude="1" metricUnit="m" metricValue="8.15" metricValueMax="8.3" metricValueMin="8.0" pageId="28" pageNumber="409" unit="m" value="81.5" valueMax="83.0" valueMin="80.0">
<elevation box="[749,838,252,273]" metricMagnitude="1" metricUnit="m" metricValue="8.15" metricValueMax="8.3" metricValueMin="8.0" pageId="28" pageNumber="409" unit="m" value="81.5" valueMax="83.0" valueMin="80.0">8083 m</elevation>
</quantity>
, Expedn
<smallCapsWord baselines="268,267" box="[934,991,252,273]" lowerCaseFontSize="6" mainFontSize="9" normCase="title" normString="Atimo" pageId="28" pageNumber="409">ATIMO</smallCapsWord>
<smallCapsWord baselines="268,267" box="[999,1055,252,273]" lowerCaseFontSize="6" mainFontSize="9" normCase="title" normString="Vatae" pageId="28" pageNumber="409">VATAE</smallCapsWord>
, stn DW3519, dredged
<emphasis box="[317,418,276,297]" italics="true" pageId="28" pageNumber="409">Nosy Be 11</emphasis>
,
<date box="[430,526,276,298]" pageId="28" pageNumber="409" value="2010-04-30">
<collectingDate box="[430,526,276,298]" pageId="28" pageNumber="409" value="2010-04-30">30.iv.2010</collectingDate>
</date>
(
<collectionCode box="[537,612,276,297]" country="France" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34988" lsid="urn:lsid:biocol.org:col:34988" name="Museum National d'Histoire Naturelle" pageId="28" pageNumber="409">MNHN</collectionCode>
)
</materialsCitation>
.
</paragraph>
<paragraph blockId="28.[144,1104,314,888]" pageId="28" pageNumber="409">
Remarks: Five shells matching the description of this little-known Red SeaGulf of Aden species were obtained during dredging surveys undertaken by the MNHN off
<collectingCountry box="[144,278,379,405]" name="Madagascar" pageId="28" pageNumber="409">Madagascar</collectingCountry>
(Campagne
<emphasis box="[416,490,379,405]" italics="true" pageId="28" pageNumber="409">Miriky</emphasis>
and Expedn
<smallCapsWord baselines="398,399" box="[640,710,379,405]" lowerCaseFontSize="7" mainFontSize="11" normCase="title" normString="Atimo" pageId="28" pageNumber="409">ATIMO</smallCapsWord>
<smallCapsWord baselines="398,399" box="[714,783,379,405]" lowerCaseFontSize="7" mainFontSize="11" normCase="title" normString="Vatae" pageId="28" pageNumber="409">VATAE</smallCapsWord>
). In this material the aperture is clearly distinct from that of
<taxonomicName authorityName=": Barnard" authorityYear="1964" box="[475,588,411,437]" class="Gastropoda" family="Eucyclidae" genus="Turcica" kingdom="Animalia" order="Seguenziida" pageId="28" pageNumber="409" phylum="Mollusca" rank="species" species="salpinx">
<emphasis box="[475,588,411,437]" italics="true" pageId="28" pageNumber="409">C. salpinx</emphasis>
</taxonomicName>
in having stronger columella teeth and a much less extensive inductural callus shield. There are also in-running ridges extending from the labral denticles into the aperture and the callus shield, though less extensive, bears superficial ridges in the parietal region and additional granules, particularly around the columella base. Like the original material of
<taxonomicName authorityName=": Neubert" authorityYear="1998" box="[704,843,539,565]" class="Gastropoda" family="Chilodontaidae" genus="Agathodonta" kingdom="Animalia" order="Seguenziida" pageId="28" pageNumber="409" phylum="Mollusca" rank="species" species="meteorae">
<emphasis box="[704,843,539,565]" italics="true" pageId="28" pageNumber="409">C. meteorae</emphasis>
</taxonomicName>
, these specimens have four spiral cords on the spire whorls, but 12 intermediary cords appear during the penultimate whorl such that the last adult whorl has 56 spiral cords above and including the peripheral one.
</paragraph>
<paragraph blockId="28.[144,1104,314,888]" pageId="28" pageNumber="409">
In terms of its apertural features, this Malagasy material is also close to
<taxonomicName authorityName="McLean" authorityYear="1984" class="Gastropoda" family="Chilodontaidae" genus="Clypeostoma" isUncertain="true" kingdom="Animalia" order="Seguenziida" pageId="28" pageNumber="409" phylum="Mollusca" rank="species" species="nortoni">
<emphasis box="[986,1012,670,696]" italics="true" pageId="28" pageNumber="409">C.</emphasis>
cf.
<emphasis italics="true" pageId="28" pageNumber="409">nortoni</emphasis>
</taxonomicName>
(see below) and
<taxonomicName baseAuthorityName="Melvill &amp; Standen" baseAuthorityYear="1903" box="[382,591,701,728]" class="Gastropoda" family="Chilodontaidae" genus="Clypeostoma" kingdom="Animalia" order="Seguenziida" pageId="28" pageNumber="409" phylum="Mollusca" rank="species" species="townsendianum">
<emphasis box="[382,591,701,728]" italics="true" pageId="28" pageNumber="409">C. townsendianum</emphasis>
</taxonomicName>
, but it is considerably smaller than both. The specimens all have mature apertural dentition and range in length from
<quantity box="[932,1071,733,760]" metricMagnitude="-3" metricUnit="m" metricValue="6.1" metricValueMax="6.9" metricValueMin="5.3" pageId="28" pageNumber="409" unit="mm" value="6.1" valueMax="6.9" valueMin="5.3">5.36.9 mm</quantity>
. In addition, the protoconch is also smaller, diameter 220240 µm (compared to 310320µm for
<taxonomicName authorityName="McLean" authorityYear="1984" box="[184,335,797,824]" class="Gastropoda" family="Chilodontaidae" genus="Clypeostoma" isUncertain="true" kingdom="Animalia" order="Seguenziida" pageId="28" pageNumber="409" phylum="Mollusca" rank="species" species="nortoni">
<emphasis box="[184,210,798,824]" italics="true" pageId="28" pageNumber="409">C.</emphasis>
cf.
<emphasis box="[253,335,798,823]" italics="true" pageId="28" pageNumber="409">nortoni</emphasis>
</taxonomicName>
). Specimens at the smaller end of this size range show considerable similarity with
<taxonomicName authority="Poppe, Tagaro &amp; Dekker, 2006" authorityName="Poppe, Tagaro &amp; Dekker" authorityYear="2006" box="[319,854,829,856]" class="Gastropoda" family="Chilodontaidae" genus="Perrinia" kingdom="Animalia" order="Seguenziida" pageId="28" pageNumber="409" phylum="Mollusca" rank="species" species="docili">
<emphasis box="[319,488,829,855]" italics="true" pageId="28" pageNumber="409">Perrinia docili</emphasis>
<bibRefCitation author="POPPE, G. T. &amp; TAGARO, S. P. &amp; DEKKER, H." box="[497,854,829,856]" pageId="28" pageNumber="409" pagination="3 - 228" refId="ref78090" refString="POPPE, G. T., TAGARO, S. P. &amp; DEKKER, H. 2006. The Seguenziidae, Chilodontidae, Trochidae, Calliostomatidae and Solariellidae of the Philippine Islands. Visaya Suppl. 2: 3 - 228." type="journal article" year="2006">Poppe, Tagaro &amp; Dekker, 2006</bibRefCitation>
</taxonomicName>
from the
<collectingCountry box="[971,1100,829,855]" name="Philippines" pageId="28" pageNumber="409">Philippines</collectingCountry>
, which I strongly suspect may also belong to
<taxonomicName authorityName="Herbert" authorityYear="2012" box="[643,789,861,887]" class="Gastropoda" family="Chilodontaidae" genus="Clypeostoma" kingdom="Animalia" order="Seguenziida" pageId="28" pageNumber="409" phylum="Mollusca" rank="genus">
<emphasis box="[643,789,861,887]" italics="true" pageId="28" pageNumber="409">Clypeostoma</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
</treatment>
</document>