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<document id="84622BA56A3AAFFAC8F7AF5FEDA6E630" ID-DOI="10.5252/z2012n4a6" ID-ISSN="1638-9387" ID-Zenodo-Dep="5166650" IM.bibliography_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1628221852083" checkinUser="felipe" docAuthor="Simone, Luiz Ricardo L. &amp; Cunha, Carlo M." docDate="2012" docId="03AA8317C64D0D50FF609AECCE490EC7" docLanguage="en" docName="zoosystema.34.4.745-781.pdf" docOrigin="Zoosystema 34 (4)" docSource="http://dx.doi.org/10.5252/z2012n4a6" docStyle="DocumentStyle:EB3C2C73672D2E883259A050BD27978B.6:Zoosystema.2011-2012.journal_article" docStyleId="EB3C2C73672D2E883259A050BD27978B" docStyleName="Zoosystema.2011-2012.journal_article" docStyleVersion="6" docTitle="Onustus aquitanus Simone &amp; Cunha 2012, n. sp." docType="treatment" docUuid="0AC65EE8-DDBC-4113-A41A-1D966DF73E77" docUuidSource="ZooBank" docVersion="4" lastPageNumber="751" masterDocId="FF93FB6FC6480D56FF959B7ACC0E0D6B" masterDocTitle="Taxonomic study on the molluscs collected in Marion-Dufresne expedition (MD 55) to SE Brazil: Xenophoridae, Cypraeoidea, mitriforms and Terebridae (Caenogastropoda)" masterLastPageNumber="781" masterPageNumber="745" pageNumber="750" updateTime="1699036138345" updateUser="plazi" zenodo-license-document="CC0-1.0" zenodo-license-figures="CC0-1.0" zenodo-license-treatments="UNSPECIFIED">
<mods:mods id="093725102E5074BBE8165A2794988B83" xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo id="D1A3322BB9FE8CDC02FB5D81F63A6CF5">
<mods:title id="49486748DEA06DB3F18EA9D36F5A153B">Taxonomic study on the molluscs collected in Marion-Dufresne expedition (MD 55) to SE Brazil: Xenophoridae, Cypraeoidea, mitriforms and Terebridae (Caenogastropoda)</mods:title>
</mods:titleInfo>
<mods:name id="50A62C30F7EE152F48EAB24F27D95006" type="personal">
<mods:role id="19398BAD86BE708E9A6433BB5A9A9235">
<mods:roleTerm id="5BD851E62ECC3F4B01D667B35E45C91A">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="0621B76FCA747524E285008B355BAEDB">Simone, Luiz Ricardo L.</mods:namePart>
</mods:name>
<mods:name id="8AEB55740875E63B7559EC310154CE14" type="personal">
<mods:role id="B91CA561B10498B4B65086B6B1C3B32F">
<mods:roleTerm id="5B605CDE40EE6F55524D975AADB56621">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="EA8D8D170278010371B52D4102CB2B88">Cunha, Carlo M.</mods:namePart>
<mods:affiliation id="4BC58A952D3F59259F83332FDAC5B851">Museu de Zoologia da Universidade de São Paulo, caixa postal 42494, 04218 - 970 São Paulo, SP (Brazil) lrsimone @ usp. br lrlsimone @ gmail. com</mods:affiliation>
<mods:nameIdentifier id="EA944927DF4D0D4897BB5BF6957D7757" type="email">lrsimone@usp.br</mods:nameIdentifier>
</mods:name>
<mods:typeOfResource id="7EA305A6F3238C927B67DB65EA823CBD">text</mods:typeOfResource>
<mods:relatedItem id="73B9CD8ACF6BCDD3C38339F7E2D7C6E1" type="host">
<mods:titleInfo id="3A24B2964E8E894D4F957387508BB92A">
<mods:title id="BCC83F26C573FB7D17B87BBBA72A5111">Zoosystema</mods:title>
</mods:titleInfo>
<mods:part id="D9680DD40206C67F5D6D3508BD35F232">
<mods:date id="FEE83D7CD365E7D9B178E1670C25CA39">2012</mods:date>
<mods:detail id="0498D8DF4ECDE0C0C88F162B79B639F4" type="pubDate">
<mods:number id="E4DB2F728D961F2DE3B0468E926264EC">2012-12-31</mods:number>
</mods:detail>
<mods:detail id="449E8B0211E86E4E84540ADC62624544" type="volume">
<mods:number id="987EA44D58F8B52A3FE8645EC78FE5C8">34</mods:number>
</mods:detail>
<mods:detail id="479FB6BD62EC9289C93360652BFDF060" type="issue">
<mods:number id="637619C921BB756DB18DA71E162C9356">4</mods:number>
</mods:detail>
<mods:extent id="6B22D4CFD1ACA9B6F723B506E122DC2B" unit="page">
<mods:start id="180FB84F374170BF30A0B8253BD90AE0">745</mods:start>
<mods:end id="60ED25E39FB5A60209EB4C79C4BC0CEA">781</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:location id="B755D65D4A61A01ED0E89D2533394350">
<mods:url id="03919BE4929EF6CA0463C2520691F385">http://dx.doi.org/10.5252/z2012n4a6</mods:url>
</mods:location>
<mods:classification id="09605402CB079687328D8DE19E6D4719">journal article</mods:classification>
<mods:identifier id="AFB6FBEF3C2E1329F7B55B47F6EA8A4D" type="DOI">10.5252/z2012n4a6</mods:identifier>
<mods:identifier id="1CCE1F8F221E7A82992EE148FF1D6E1A" type="ISSN">1638-9387</mods:identifier>
<mods:identifier id="B70BA9F4D55000C68B83765BA6436E46" type="Zenodo-Dep">5166650</mods:identifier>
<mods:identifier id="E279745B84D6C0782E68B2F14918208A" type="ZooBank">857CAD31-66E1-4CEE-AB4D-CCD64541D0EF</mods:identifier>
</mods:mods>
<treatment id="03AA8317C64D0D50FF609AECCE490EC7" LSID="urn:lsid:zoobank.org:act:0AC65EE8-DDBC-4113-A41A-1D966DF73E77" httpUri="http://treatment.plazi.org/id/03AA8317C64D0D50FF609AECCE490EC7" lastPageId="6" lastPageNumber="751" pageId="5" pageNumber="750">
<subSubSection id="C319618AC64D0D53FF609AECCE0D0CDB" box="[245,515,406,432]" pageId="5" pageNumber="750" type="nomenclature">
<paragraph id="8BBC3201C64D0D53FF609AECCE0D0CDB" blockId="5.[245,515,406,464]" box="[245,515,406,432]" pageId="5" pageNumber="750">
<heading id="D0F4856DC64D0D53FF609AECCE0D0CDB" box="[245,515,406,432]" centered="true" fontSize="11" level="2" pageId="5" pageNumber="750" reason="2">
<taxonomicName id="4C034982C64D0D53FF609AECCDCF0CDB" ID-CoL="49QMW" authority="Simone &amp; Cunha, 2012" authorityName="Simone &amp; Cunha" authorityYear="2012" box="[245,449,406,432]" class="Gastropoda" family="Xenophoridae" genus="Onustus" kingdom="Animalia" order="Littorinimorpha" pageId="5" pageNumber="750" phylum="Mollusca" rank="species" species="aquitanus" status="sp. nov.">
<emphasis id="B977EE13C64D0D53FF609AECCDCF0CDB" bold="true" box="[245,449,406,432]" italics="true" pageId="5" pageNumber="750">Onustus aquitanus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2445368C64D0D53FE5D9AECCE0D0CDB" box="[456,515,406,432]" pageId="5" pageNumber="750" rank="species">n. sp.</taxonomicNameLabel>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C319618AC64D0D53FEC19ACFCDAD0CBB" box="[340,419,437,464]" pageId="5" pageNumber="750" type="description">
<paragraph id="8BBC3201C64D0D53FEC19ACFCDAD0CBB" blockId="5.[245,515,406,464]" box="[340,419,437,464]" pageId="5" pageNumber="750">
(
<figureCitation id="13382E84C64D0D53FEC99ACFCD920CBB" box="[348,412,437,464]" captionStart="FIG" captionStartId="8.[115,125,1464,1481]" captionTargetBox="[113,1209,215,1430]" captionTargetId="figure-157@8.[113,1209,215,1430]" captionTargetPageId="8" captionText="FIG. 2. — Onustus aquitanus n. sp. types: A-E, holotype MNHN 25216, maximum width = 18.3 mm; A, apical view; B, frontal view; C, umbilical view; D, detail of sculpture in region indicated by a rectangle in A; E, detail of apical region, apical view; F, G, paratype MZSP 104032, frontal and apical views, maximum diameter = 13.3 mm." figureDoi="http://doi.org/10.5281/zenodo.5166656" httpUri="https://zenodo.org/record/5166656/files/figure.png" pageId="5" pageNumber="750">Fig. 2</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection id="C319618AC64D0D53FFE49A95CD8F0E4F" pageId="5" pageNumber="750" type="materials_examined">
<paragraph id="8BBC3201C64D0D53FFE49A95CE870FAB" blockId="5.[112,649,495,704]" pageId="5" pageNumber="750">
<collectionCode id="ED12AAC4C64D0D53FFE49A95CD0D0F6E" box="[113,259,495,518]" pageId="5" pageNumber="750">TYPE MATERIAL</collectionCode>
. —
<typeStatus id="54B88CA3C64D0D53FEB89A95CD830F6C" box="[301,397,495,519]" pageId="5" pageNumber="750" type="holotype">Holotype</typeStatus>
:
<collectingCountry id="F3147291C64D0D53FE009A95CDDE0F6C" box="[405,464,495,519]" name="Brazil" pageId="5" pageNumber="750">Brazil</collectingCountry>
,
<collectingRegion id="49C7FCE3C64D0D53FE4D9A95CE6D0F6C" box="[472,611,495,519]" country="Brazil" name="Rio de Janeiro" pageId="5" pageNumber="750">Rio de Janeiro</collectingRegion>
, off Arraial do Cabo, continental slope,
<geoCoordinate id="EE3754C6C64D0D53FE589973CE150F4A" box="[461,539,521,545]" degrees="23" direction="south" minutes="41" orientation="latitude" pageId="5" pageNumber="750" precision="925" value="-23.683332">23°41’S</geoCoordinate>
, 42°06’’W,
<quantity id="4CFB9FE4C64D0D53FFE49959CCD00F50" box="[113,222,547,571]" metricMagnitude="2" metricUnit="m" metricValue="4.4" metricValueMax="4.5" metricValueMin="4.3" pageId="5" pageNumber="750" unit="m" value="440.0" valueMax="450.0" valueMin="430.0">430-450 m</quantity>
depth,
<collectionCode id="ED12AAC4C64D0D53FEB3995ECD770F50" box="[294,377,548,571]" 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="5" pageNumber="750">MNHN</collectionCode>
25216 (
<figureCitation id="13382E84C64D0D53FE5D9959CDF00F57" box="[456,510,547,572]" captionStart="FIG" captionStartId="8.[115,125,1464,1481]" captionTargetBox="[113,1209,215,1430]" captionTargetId="figure-157@8.[113,1209,215,1430]" captionTargetPageId="8" captionText="FIG. 2. — Onustus aquitanus n. sp. types: A-E, holotype MNHN 25216, maximum width = 18.3 mm; A, apical view; B, frontal view; C, umbilical view; D, detail of sculpture in region indicated by a rectangle in A; E, detail of apical region, apical view; F, G, paratype MZSP 104032, frontal and apical views, maximum diameter = 13.3 mm." figureDoi="http://doi.org/10.5281/zenodo.5166656" httpUri="https://zenodo.org/record/5166656/files/figure.png" pageId="5" pageNumber="750">Fig. 2</figureCitation>
A-E) (
<collectionCode id="ED12AAC4C64D0D53FDAE9959CE660F50" box="[571,616,547,571]" country="Germany" name="Museum Donaueschingen" pageId="5" pageNumber="750">MD</collectionCode>
55, stn
<collectionCode id="ED12AAC4C64D0D53FF049944CCBD0F3D" box="[145,179,574,598]" country="Australia" name="The CB Rhizobium Collection" pageId="5" pageNumber="750">CB</collectionCode>
104, Bouchet, Leal &amp; Métivier coll.,
<date id="FFBD14C1C64D0D53FD929944CE740F3D" box="[519,634,574,598]" pageId="5" pageNumber="750" value="1987-06-01">
01.
<collectionCode id="ED12AAC4C64D0D53FDB19944CE4F0F3D" box="[548,577,574,598]" country="Norway" name="Mykotektet, National Veterinary Institute" pageId="5" pageNumber="750">VI</collectionCode>
.1987
</date>
).
<typeStatus id="54B88CA3C64D0D53FFE49923CCC60F1A" box="[113,200,601,625]" pageId="5" pageNumber="750" type="paratype">Paratype</typeStatus>
:
<collectingCountry id="F3147291C64D0D53FF459922CD050F1B" box="[208,267,600,624]" name="Brazil" pageId="5" pageNumber="750">Brazil</collectingCountry>
,
<collectingRegion id="49C7FCE3C64D0D53FE879922CD900F1A" box="[274,414,600,625]" country="Brazil" name="Espirito Santo" pageId="5" pageNumber="750">Espírito Santo</collectingRegion>
, off Conceição da Barra, continental slope of Abrolhos,
<geoCoordinate id="EE3754C6C64D0D53FE049909CDD10FE0" box="[401,479,627,651]" degrees="18" direction="south" minutes="59" orientation="latitude" pageId="5" pageNumber="750" precision="925" value="-18.983334">18°59’S</geoCoordinate>
,
<geoCoordinate id="EE3754C6C64D0D53FE7D9909CE310FE0" box="[488,575,627,651]" degrees="37" direction="west" minutes="50" orientation="longitude" pageId="5" pageNumber="750" precision="925" value="-37.833332">37°50’W</geoCoordinate>
,
<quantity id="4CFB9FE4C64D0D53FDD29909CE8B0FE1" box="[583,645,627,651]" metricMagnitude="2" metricUnit="m" metricValue="6.37" pageId="5" pageNumber="750" unit="m" value="637.0">637 m</quantity>
depth,
<collectionCode id="ED12AAC4C64D0D53FF2C99F7CCF20FCE" box="[185,252,653,677]" country="Brazil" httpUri="http://grbio.org/cool/9yp6-zxp9" name="Sao Paulo, Museu de Zoologia da Universidade de Sao Paulo" pageId="5" pageNumber="750" type="Museum">MZSP</collectionCode>
104032, 1 shell (
<figureCitation id="13382E84C64D0D53FE2099F7CE2E0FCE" box="[437,544,653,677]" captionStart="FIG" captionStartId="8.[115,125,1464,1481]" captionTargetBox="[113,1209,215,1430]" captionTargetId="figure-157@8.[113,1209,215,1430]" captionTargetPageId="8" captionText="FIG. 2. — Onustus aquitanus n. sp. types: A-E, holotype MNHN 25216, maximum width = 18.3 mm; A, apical view; B, frontal view; C, umbilical view; D, detail of sculpture in region indicated by a rectangle in A; E, detail of apical region, apical view; F, G, paratype MZSP 104032, frontal and apical views, maximum diameter = 13.3 mm." figureDoi="http://doi.org/10.5281/zenodo.5166656" httpUri="https://zenodo.org/record/5166656/files/figure.png" pageId="5" pageNumber="750">Fig. 2F, G</figureCitation>
) (
<collectionCode id="ED12AAC4C64D0D53FDA299F7CE6B0FCE" box="[567,613,653,677]" country="Germany" name="Museum Donaueschingen" pageId="5" pageNumber="750">MD</collectionCode>
55, stn
<collectionCode id="ED12AAC4C64D0D53FF0299D2CCB70FAB" box="[151,185,680,704]" country="Australia" name="The CB Rhizobium Collection" pageId="5" pageNumber="750">CB</collectionCode>
76, Bouchet, Leal &amp; Métivier coll.,
<date id="FFBD14C1C64D0D53FD8699D2CE730FAB" box="[531,637,680,704]" pageId="5" pageNumber="750" value="1987-05-27">
27.
<collectionCode id="ED12AAC4C64D0D53FDA499D2CE4B0FAB" box="[561,581,680,704]" country="Canada" lsid="urn:lsid:biocol.org:col:13946" name="Royal British Columbia Museum - Herbarium" pageId="5" pageNumber="750" type="Museum">V</collectionCode>
.1987
</date>
).
</paragraph>
<paragraph id="8BBC3201C64D0D53FFE499A2CD8F0E4F" blockId="5.[112,646,727,804]" pageId="5" pageNumber="750">
<collectionCode id="ED12AAC4C64D0D53FFE499A2CD0D0F85" box="[113,259,728,751]" pageId="5" pageNumber="750">
<typeStatus id="54B88CA3C64D0D53FFE499A2CCAC0F86" box="[113,162,728,751]" pageId="5" pageNumber="750">TYPE</typeStatus>
LOCALITY
</collectionCode>
. —
<collectingCountry id="F3147291C64D0D53FEB899ADCD660F84" box="[301,360,727,751]" name="Brazil" pageId="5" pageNumber="750">Brazil</collectingCountry>
,
<collectingRegion id="49C7FCE3C64D0D53FEE499ADCDF30F84" box="[369,509,727,751]" country="Brazil" name="Rio de Janeiro" pageId="5" pageNumber="750">Rio de Janeiro</collectingRegion>
, off Arraial do Cabo, continental slope,
<geoCoordinate id="EE3754C6C64D0D53FECB9988CDA20E61" box="[350,428,754,778]" degrees="23" direction="south" minutes="41" orientation="latitude" pageId="5" pageNumber="750" precision="925" value="-23.683332">23°41’S</geoCoordinate>
, 42°06’’W,
<quantity id="4CFB9FE4C64D0D53FD8C9988CE8B0E62" box="[537,645,754,778]" metricMagnitude="2" metricUnit="m" metricValue="4.4" metricValueMax="4.5" metricValueMin="4.3" pageId="5" pageNumber="750" unit="m" value="440.0" valueMax="450.0" valueMin="430.0">430-450 m</quantity>
depth (
<collectionCode id="ED12AAC4C64D0D53FF239876CCED0E4F" box="[182,227,780,804]" country="Germany" name="Museum Donaueschingen" pageId="5" pageNumber="750">MD</collectionCode>
55, stn
<collectionCode id="ED12AAC4C64D0D53FEBE9876CD400E4F" box="[299,334,780,804]" country="Australia" name="The CB Rhizobium Collection" pageId="5" pageNumber="750">CB</collectionCode>
104).
</paragraph>
</subSubSection>
<subSubSection id="C319618AC64D0D53FFE49846CDAB0E05" pageId="5" pageNumber="750" type="distribution">
<paragraph id="8BBC3201C64D0D53FFE49846CDAB0E05" blockId="5.[112,646,828,878]" pageId="5" pageNumber="750">
DISTRIBUTION. — Continental slope from north
<collectingRegion id="49C7FCE3C64D0D53FDAE9846CCA60E05" country="Brazil" name="Espirito Santo" pageId="5" pageNumber="750">Espírito Santo</collectingRegion>
to middle
<collectingRegion id="49C7FCE3C64D0D53FE86982CCDAC0E05" box="[275,418,854,878]" country="Brazil" name="Rio de Janeiro" pageId="5" pageNumber="750">Rio de Janeiro</collectingRegion>
.
</paragraph>
</subSubSection>
<subSubSection id="C319618AC64D0D53FFE498FCCCE20EB8" pageId="5" pageNumber="750" type="etymology">
<paragraph id="8BBC3201C64D0D53FFE498FCCCE20EB8" blockId="5.[113,647,902,979]" pageId="5" pageNumber="750">ETYMOLOGY. — The specific epithet is related to the word “aquitan” in the native Tupi language, meaning short, small.</paragraph>
</subSubSection>
<subSubSection id="C319618AC64D0D53FFE49891CDCA095C" pageId="5" pageNumber="750" type="diagnosis">
<paragraph id="8BBC3201C64D0D53FFE49891CDCA095C" blockId="5.[111,647,1002,1079]" pageId="5" pageNumber="750">
DIAGNOSIS. — Size
<emphasis id="B977EE13C64D0D53FEBB9891CD300969" box="[302,318,1003,1026]" italics="true" pageId="5" pageNumber="750">c.</emphasis>
<quantity id="4CFB9FE4C64D0D53FED79891CD840969" box="[322,394,1003,1027]" metricMagnitude="-2" metricUnit="m" metricValue="2.0" pageId="5" pageNumber="750" unit="mm" value="20.0">20 mm</quantity>
. Spire angle
<emphasis id="B977EE13C64D0D53FE6B9891CE000969" box="[510,526,1003,1026]" italics="true" pageId="5" pageNumber="750">c.</emphasis>
100°. Dense riblets sculptured dorsally and smooth ventrally. Moderate density of foreign objects attached.
</paragraph>
</subSubSection>
<subSubSection id="C319618AC64D0D53FFE49F15C8880F61" pageId="5" pageNumber="750" type="description">
<paragraph id="8BBC3201C64D0D53FFE49F15CD0C09EC" blockId="5.[111,649,1135,1699]" box="[113,258,1135,1161]" pageId="5" pageNumber="750">DESCRIPTION</paragraph>
<paragraph id="8BBC3201C64D0D53FFE49FF4C8270CFA" blockId="5.[111,649,1135,1699]" lastBlockId="5.[674,1211,216,401]" pageId="5" pageNumber="750">
Shell: size
<emphasis id="B977EE13C64D0D53FF769FF5CCFA09C3" box="[227,244,1167,1192]" italics="true" pageId="5" pageNumber="750">c.</emphasis>
<quantity id="4CFB9FE4C64D0D53FF699FF4CD4109C2" box="[252,335,1166,1193]" metricMagnitude="-2" metricUnit="m" metricValue="2.0" pageId="5" pageNumber="750" unit="mm" value="20.0">20 mm</quantity>
; bluntly conic;
<emphasis id="B977EE13C64D0D53FE6E9FF5CE0509C3" box="[507,523,1167,1192]" italics="true" pageId="5" pageNumber="750">c.</emphasis>
1.75 times broader than tall. Spire angle
<emphasis id="B977EE13C64D0D53FE359FD5CDBE09A3" box="[416,432,1199,1224]" italics="true" pageId="5" pageNumber="750">c.</emphasis>
100° (
<figureCitation id="13382E84C64D0D53FE669FD4CE7409A3" box="[499,634,1198,1224]" captionStart="FIG" captionStartId="8.[115,125,1464,1481]" captionTargetBox="[113,1209,215,1430]" captionTargetId="figure-157@8.[113,1209,215,1430]" captionTargetPageId="8" captionText="FIG. 2. — Onustus aquitanus n. sp. types: A-E, holotype MNHN 25216, maximum width = 18.3 mm; A, apical view; B, frontal view; C, umbilical view; D, detail of sculpture in region indicated by a rectangle in A; E, detail of apical region, apical view; F, G, paratype MZSP 104032, frontal and apical views, maximum diameter = 13.3 mm." figureDoi="http://doi.org/10.5281/zenodo.5166656" httpUri="https://zenodo.org/record/5166656/files/figure.png" pageId="5" pageNumber="750">Fig. 2A, B, F</figureCitation>
). Colour pure white. Protoconch dome-shaped, with three uniform whorls; pale brown; surface smooth, poorly shining, weakly convex(
<figureCitation id="13382E84C64D0D53FE329E77CE1E084C" box="[423,528,1293,1319]" captionStart="FIG" captionStartId="8.[115,125,1464,1481]" captionTargetBox="[113,1209,215,1430]" captionTargetId="figure-157@8.[113,1209,215,1430]" captionTargetPageId="8" captionText="FIG. 2. — Onustus aquitanus n. sp. types: A-E, holotype MNHN 25216, maximum width = 18.3 mm; A, apical view; B, frontal view; C, umbilical view; D, detail of sculpture in region indicated by a rectangle in A; E, detail of apical region, apical view; F, G, paratype MZSP 104032, frontal and apical views, maximum diameter = 13.3 mm." figureDoi="http://doi.org/10.5281/zenodo.5166656" httpUri="https://zenodo.org/record/5166656/files/figure.png" pageId="5" pageNumber="750">Fig.2E, G</figureCitation>
); limit with teleoconch clear, orthocline. Up to five teleoconch whorls, profile weakly concave; suture somewhat well marked. Dorsal sculpture of opisthocline, rather wavy riblets, about three per mm, crossed by fine prosocline growth lines (
<figureCitation id="13382E84C64D0D53FEE19ED1CE0608AE" box="[372,520,1451,1478]" captionStart="FIG" captionStartId="8.[115,125,1464,1481]" captionTargetBox="[113,1209,215,1430]" captionTargetId="figure-157@8.[113,1209,215,1430]" captionTargetPageId="8" captionText="FIG. 2. — Onustus aquitanus n. sp. types: A-E, holotype MNHN 25216, maximum width = 18.3 mm; A, apical view; B, frontal view; C, umbilical view; D, detail of sculpture in region indicated by a rectangle in A; E, detail of apical region, apical view; F, G, paratype MZSP 104032, frontal and apical views, maximum diameter = 13.3 mm." figureDoi="http://doi.org/10.5281/zenodo.5166656" httpUri="https://zenodo.org/record/5166656/files/figure.png" pageId="5" pageNumber="750">Fig. 2A, D, G</figureCitation>
). Peripheral flange narrow (
<figureCitation id="13382E84C64D0D53FE909EB1CD5D088E" box="[261,339,1483,1509]" captionStart="FIG" captionStartId="8.[115,125,1464,1481]" captionTargetBox="[113,1209,215,1430]" captionTargetId="figure-157@8.[113,1209,215,1430]" captionTargetPageId="8" captionText="FIG. 2. — Onustus aquitanus n. sp. types: A-E, holotype MNHN 25216, maximum width = 18.3 mm; A, apical view; B, frontal view; C, umbilical view; D, detail of sculpture in region indicated by a rectangle in A; E, detail of apical region, apical view; F, G, paratype MZSP 104032, frontal and apical views, maximum diameter = 13.3 mm." figureDoi="http://doi.org/10.5281/zenodo.5166656" httpUri="https://zenodo.org/record/5166656/files/figure.png" pageId="5" pageNumber="750">Fig.2B</figureCitation>
). Inferior surface almost plane, weakly concave whorls; entirely covered by narrow, low, spiral riblets, crossed by concave growth lines parallel to aperture.Umbilicus opened, comprising
<emphasis id="B977EE13C64D0D53FFE59D31CC8E0B0F" box="[112,128,1611,1636]" italics="true" pageId="5" pageNumber="750">c.</emphasis>
15% of maximum diameter; walls concave, simple, rounded; weak beige colour (
<figureCitation id="13382E84C64D0D53FE209D13CE030BEF" box="[437,525,1641,1668]" captionStart="FIG" captionStartId="8.[115,125,1464,1481]" captionTargetBox="[113,1209,215,1430]" captionTargetId="figure-157@8.[113,1209,215,1430]" captionTargetPageId="8" captionText="FIG. 2. — Onustus aquitanus n. sp. types: A-E, holotype MNHN 25216, maximum width = 18.3 mm; A, apical view; B, frontal view; C, umbilical view; D, detail of sculpture in region indicated by a rectangle in A; E, detail of apical region, apical view; F, G, paratype MZSP 104032, frontal and apical views, maximum diameter = 13.3 mm." figureDoi="http://doi.org/10.5281/zenodo.5166656" httpUri="https://zenodo.org/record/5166656/files/figure.png" pageId="5" pageNumber="750">Fig. 2C</figureCitation>
). Aperture elliptical, about twice wider than tall; comprising about half of maximum diameter and about half of total shell height. Outer lip as flap covering aperture dorsally. Inner lip weakly concave in umbilical region, widely concave in inferior region. Presence of foreign objects in entire dorsal surface, with shell surface
<emphasis id="B977EE13C64D0D53FD609A0DCF080CFB" box="[757,774,375,400]" italics="true" pageId="5" pageNumber="750">c.</emphasis>
40% exposed (
<figureCitation id="13382E84C64D0D53FC3F9A0CC8120CFA" box="[938,1052,374,401]" captionStart="FIG" captionStartId="8.[115,125,1464,1481]" captionTargetBox="[113,1209,215,1430]" captionTargetId="figure-157@8.[113,1209,215,1430]" captionTargetPageId="8" captionText="FIG. 2. — Onustus aquitanus n. sp. types: A-E, holotype MNHN 25216, maximum width = 18.3 mm; A, apical view; B, frontal view; C, umbilical view; D, detail of sculpture in region indicated by a rectangle in A; E, detail of apical region, apical view; F, G, paratype MZSP 104032, frontal and apical views, maximum diameter = 13.3 mm." figureDoi="http://doi.org/10.5281/zenodo.5166656" httpUri="https://zenodo.org/record/5166656/files/figure.png" pageId="5" pageNumber="750">Fig. 2A, B</figureCitation>
).
</paragraph>
<paragraph id="8BBC3201C64D0D53FD309AD2CFC00CB1" blockId="5.[677,1211,424,475]" pageId="5" pageNumber="750">
MEASUREMENTS (in mm). —
<typeStatus id="54B88CA3C64D0D53FC479AD2C83D0CAB" box="[978,1075,424,448]" pageId="5" pageNumber="750" type="holotype">Holotype</typeStatus>
: 18.3 × 10.1;
<typeStatus id="54B88CA3C64D0D53FD339AB9CEF30CB0" box="[678,765,451,475]" pageId="5" pageNumber="750" type="paratype">paratype</typeStatus>
: 13.3 × 7.8 (broken).
</paragraph>
<paragraph id="8BBC3201C64D0D53FD309A88C8880F61" blockId="5.[677,1158,498,522]" box="[677,1158,498,522]" pageId="5" pageNumber="750">
HABITAT. — Muddy bottoms,
<quantity id="4CFB9FE4C64D0D53FC449A88C84E0F62" box="[977,1088,498,522]" metricMagnitude="2" metricUnit="m" metricValue="5.335" metricValueMax="6.37" metricValueMin="4.3" pageId="5" pageNumber="750" unit="m" value="533.5" valueMax="637.0" valueMin="430.0">430-637 m</quantity>
depth.
</paragraph>
</subSubSection>
<subSubSection id="C319618AC64D0D50FD30994FCE490EC7" lastPageId="6" lastPageNumber="751" pageId="5" pageNumber="750" type="discussion">
<paragraph id="8BBC3201C64D0D53FD30994FCF070F26" blockId="5.[674,1211,565,1700]" box="[677,777,565,591]" pageId="5" pageNumber="750">REMARKS</paragraph>
<paragraph id="8BBC3201C64D0D53FD30992EC85C0EA1" blockId="5.[674,1211,565,1700]" pageId="5" pageNumber="750">
The generic attribution to
<taxonomicName id="4C034982C64D0D53FC25992EC8640F05" authority="Simone &amp; Cunha, 2012" authorityName="Simone &amp; Cunha" authorityYear="2012" box="[944,1130,596,622]" class="Gastropoda" family="Xenophoridae" genus="Onustus" kingdom="Animalia" order="Littorinimorpha" pageId="5" pageNumber="750" phylum="Mollusca" rank="species" species="aquitanus" status="sp. nov.">
<emphasis id="B977EE13C64D0D53FC25992EC8640F05" box="[944,1130,596,622]" italics="true" pageId="5" pageNumber="750">Onustus aquitanus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2445368C64D0D53FBFA992FC8A80F04" box="[1135,1190,597,623]" pageId="5" pageNumber="750" rank="species">n. sp.</taxonomicNameLabel>
is not straightforward. It has an intriguing mixture of characters in common to
<taxonomicName id="4C034982C64D0D53FC3E99EECFF10FC5" authorityName="Swainson" authorityYear="1840" box="[939,1023,660,686]" class="Gastropoda" family="Xenophoridae" genus="Onustus" kingdom="Animalia" order="Littorinimorpha" pageId="5" pageNumber="750" phylum="Mollusca" rank="genus">
<emphasis id="B977EE13C64D0D53FC3E99EECFF10FC5" box="[939,1023,660,686]" italics="true" pageId="5" pageNumber="750">Onustus</emphasis>
</taxonomicName>
and to
<taxonomicName id="4C034982C64D0D53FBDE99E9CF3F0FA6" authority="Fisher, 1807" authorityName="Fisher" authorityYear="1807" class="Gastropoda" family="Xenophoridae" genus="Xenophora" kingdom="Animalia" order="Littorinimorpha" pageId="5" pageNumber="750" phylum="Mollusca" rank="genus">
<emphasis id="B977EE13C64D0D53FBDE99E9C8B90FC6" box="[1099,1207,659,685]" italics="true" pageId="5" pageNumber="750">Xenophora</emphasis>
Fisher, 1807
</taxonomicName>
as defined by
<bibRefCitation id="EF924FF0C64D0D53FC4C99C9C88D0FA6" author="PONDER W. F." box="[985,1155,691,717]" pageId="5" pageNumber="750" pagination="1 - 126" refId="ref25148" refString="PONDER W. F. 1983. - A revision of the Recent Xenophoridae of the world and of the Australian fossil species (Mollusca: Gastropoda). Memoir of the Australian Museum 17: 1 - 126." type="journal article" year="1983">Ponder (1983)</bibRefCitation>
. The relatively wide umbilicus, the irregular riblets in upper surface, the lack of sculpture of inferior surface and the porcellaneous inferior surface indicate
<taxonomicName id="4C034982C64D0D53FBF69868C8B60E47" authorityName="Swainson" authorityYear="1840" box="[1123,1208,786,812]" class="Gastropoda" family="Xenophoridae" genus="Onustus" kingdom="Animalia" order="Littorinimorpha" pageId="5" pageNumber="750" phylum="Mollusca" rank="genus">
<emphasis id="B977EE13C64D0D53FBF69868C8B60E47" box="[1123,1208,786,812]" italics="true" pageId="5" pageNumber="750">Onustus</emphasis>
</taxonomicName>
affinity. On the other hand,
<taxonomicName id="4C034982C64D0D53FC569848C8490E27" authority="Simone &amp; Cunha, 2012" authorityName="Simone &amp; Cunha" authorityYear="2012" box="[963,1095,818,844]" class="Gastropoda" family="Xenophoridae" genus="Onustus" kingdom="Animalia" order="Littorinimorpha" pageId="5" pageNumber="750" phylum="Mollusca" rank="species" species="aquitanus" status="sp. nov.">
<emphasis id="B977EE13C64D0D53FC569848C8490E27" box="[963,1095,818,844]" italics="true" pageId="5" pageNumber="750">O. aquitanus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2445368C64D0D53FBDE9848C88C0E27" box="[1099,1154,818,844]" pageId="5" pageNumber="750" rank="species">n. sp.</taxonomicNameLabel>
lacks a wide peripheral flange and has a good quantity of foreign objects attached to its whorls, which approach the species to
<taxonomicName id="4C034982C64D0D53FCA498EBCF930EC0" authorityName="Fisher" authorityYear="1807" box="[817,925,913,939]" class="Gastropoda" family="Xenophoridae" genus="Xenophora" kingdom="Animalia" order="Littorinimorpha" pageId="5" pageNumber="750" phylum="Mollusca" rank="genus">
<emphasis id="B977EE13C64D0D53FCA498EBCF930EC0" box="[817,925,913,939]" italics="true" pageId="5" pageNumber="750">Xenophora</emphasis>
</taxonomicName>
. The generic attribution in favor to
<taxonomicName id="4C034982C64D0D53FD6898CBCF5C0EA0" authorityName="Swainson" authorityYear="1840" box="[765,850,945,971]" class="Gastropoda" family="Xenophoridae" genus="Onustus" kingdom="Animalia" order="Littorinimorpha" pageId="5" pageNumber="750" phylum="Mollusca" rank="genus">
<emphasis id="B977EE13C64D0D53FD6898CBCF5C0EA0" box="[765,850,945,971]" italics="true" pageId="5" pageNumber="750">Onustus</emphasis>
</taxonomicName>
is purely by parsimony.
</paragraph>
<paragraph id="8BBC3201C64D0D53FD2E98ABC848088D" blockId="5.[674,1211,565,1700]" pageId="5" pageNumber="750">
<taxonomicName id="4C034982C64D0D53FD2E98ABCF750E81" authority="Simone &amp; Cunha, 2012" authorityName="Simone &amp; Cunha" authorityYear="2012" box="[699,891,977,1003]" class="Gastropoda" family="Xenophoridae" genus="Onustus" kingdom="Animalia" order="Littorinimorpha" pageId="5" pageNumber="750" phylum="Mollusca" rank="species" species="aquitanus" status="sp. nov.">
<emphasis id="B977EE13C64D0D53FD2E98ABCF750E81" box="[699,891,977,1003]" italics="true" pageId="5" pageNumber="750">Onustus aquitanus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2445368C64D0D53FC1698ABCFB00E80" box="[899,958,977,1003]" pageId="5" pageNumber="750" rank="species">n. sp.</taxonomicNameLabel>
differs from
<taxonomicName id="4C034982C64D0D53FBDE98ABC8B40E81" baseAuthorityName="Bartsch" baseAuthorityYear="1931" box="[1099,1210,976,1003]" class="Gastropoda" family="Xenophoridae" genus="Onustus" kingdom="Animalia" order="Littorinimorpha" pageId="5" pageNumber="750" phylum="Mollusca" rank="species" species="longleyi">
<emphasis id="B977EE13C64D0D53FBDE98ABC8B40E81" box="[1099,1210,976,1003]" italics="true" pageId="5" pageNumber="750">O. longleyi</emphasis>
</taxonomicName>
and from
<taxonomicName id="4C034982C64D0D53FC9C988ACF8B0961" baseAuthorityName="Petit" baseAuthorityYear="1856" box="[777,901,1008,1034]" class="Gastropoda" family="Xenophoridae" genus="Onustus" kingdom="Animalia" order="Littorinimorpha" pageId="5" pageNumber="750" phylum="Mollusca" rank="species" species="caribaeus">
<emphasis id="B977EE13C64D0D53FC9C988ACF8B0961" box="[777,901,1008,1034]" italics="true" pageId="5" pageNumber="750">O. caribaeus</emphasis>
</taxonomicName>
in being proportionally wider, while the other two species are tall, highly conic in the region close to the apex. Besides,
<taxonomicName id="4C034982C64D0D53FBA79F4AC8B40922" authority="Simone &amp; Cunha, 2012" authorityName="Simone &amp; Cunha" authorityYear="2012" box="[1074,1210,1072,1098]" class="Gastropoda" family="Xenophoridae" genus="Onustus" kingdom="Animalia" order="Littorinimorpha" pageId="5" pageNumber="750" phylum="Mollusca" rank="species" species="aquitanus" status="sp. nov.">
<emphasis id="B977EE13C64D0D53FBA79F4AC8B40922" box="[1074,1210,1072,1098]" italics="true" pageId="5" pageNumber="750">O. aquitanus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2445368C64D0D53FD309F35CED20902" box="[677,732,1103,1129]" pageId="5" pageNumber="750" rank="species">n. sp.</taxonomicNameLabel>
lacks a deep furrow at outer edge in each whorl, which is normally present in the other two species (
<bibRefCitation id="EF924FF0C64D0D53FD399FF4CF3609C3" author="PONDER W. F." box="[684,824,1166,1192]" pageId="5" pageNumber="750" pagination="1 - 126" refId="ref25148" refString="PONDER W. F. 1983. - A revision of the Recent Xenophoridae of the world and of the Australian fossil species (Mollusca: Gastropoda). Memoir of the Australian Museum 17: 1 - 126." type="journal article" year="1983">Ponder 1983</bibRefCitation>
: fig. 31b). The spire angle of
<taxonomicName id="4C034982C64D0D53FBF79FF5CED209A3" authority="Simone &amp; Cunha, 2012" authorityName="Simone &amp; Cunha" authorityYear="2012" class="Gastropoda" family="Xenophoridae" genus="Onustus" kingdom="Animalia" order="Littorinimorpha" pageId="5" pageNumber="750" phylum="Mollusca" rank="species" species="aquitanus" status="sp. nov.">
<emphasis id="B977EE13C64D0D53FBF79FF5CED209A3" italics="true" pageId="5" pageNumber="750">O. aquitanus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2445368C64D0D53FD769FD4CF1009A3" box="[739,798,1198,1224]" pageId="5" pageNumber="750" rank="species">n. sp.</taxonomicNameLabel>
is
<emphasis id="B977EE13C64D0D53FCAB9FD5CF4109A3" box="[830,847,1199,1224]" italics="true" pageId="5" pageNumber="750">c.</emphasis>
100°, while that of the other two species is
<emphasis id="B977EE13C64D0D53FC959FB4CF1F098C" box="[768,785,1230,1255]" italics="true" pageId="5" pageNumber="750">c.</emphasis>
80°.Additional differences of
<taxonomicName id="4C034982C64D0D53FBAF9FB4C8B4098C" authority="Simone &amp; Cunha, 2012" authorityName="Simone &amp; Cunha" authorityYear="2012" box="[1082,1210,1230,1256]" class="Gastropoda" family="Xenophoridae" genus="Onustus" kingdom="Animalia" order="Littorinimorpha" pageId="5" pageNumber="750" phylum="Mollusca" rank="species" species="aquitanus" status="sp. nov.">
<emphasis id="B977EE13C64D0D53FBAF9FB4C8B4098C" box="[1082,1210,1230,1256]" italics="true" pageId="5" pageNumber="750">O. aquitanus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2445368C64D0D53FD309F94CEEE0863" box="[677,736,1262,1288]" pageId="5" pageNumber="750" rank="species">n. sp.</taxonomicNameLabel>
are its sculpture of oblique riblets less dense (about three per mm, while the other species have about five per mm in second teleoconch whorl), the whitish colour (while the other two species are yellow to beige) and the convex shape of the whorls (for the other two species the whorls are planer).Anyway, by the shape of the aperture,
<taxonomicName id="4C034982C64D0D53FC329ED6C82408AE" authority="Simone &amp; Cunha, 2012" authorityName="Simone &amp; Cunha" authorityYear="2012" box="[935,1066,1452,1478]" class="Gastropoda" family="Xenophoridae" genus="Onustus" kingdom="Animalia" order="Littorinimorpha" pageId="5" pageNumber="750" phylum="Mollusca" rank="species" species="aquitanus" status="sp. nov.">
<emphasis id="B977EE13C64D0D53FC329ED6C82408AE" box="[935,1066,1452,1478]" italics="true" pageId="5" pageNumber="750">O. aquitanus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2445368C64D0D53FBBB9ED6C86B08AD" box="[1070,1125,1452,1478]" pageId="5" pageNumber="750" rank="species">n. sp.</taxonomicNameLabel>
appears to be more closely related to
<taxonomicName id="4C034982C64D0D53FC449EB1C831088E" baseAuthorityName="Bartsch" baseAuthorityYear="1931" box="[977,1087,1483,1509]" class="Gastropoda" family="Xenophoridae" genus="Onustus" kingdom="Animalia" order="Littorinimorpha" pageId="5" pageNumber="750" phylum="Mollusca" rank="species" species="longleyi">
<emphasis id="B977EE13C64D0D53FC449EB1C831088E" box="[977,1087,1483,1509]" italics="true" pageId="5" pageNumber="750">O. longleyi</emphasis>
</taxonomicName>
.
</paragraph>
<paragraph id="8BBC3201C64D0D53FD2E9E91CFF40B0F" blockId="5.[674,1211,565,1700]" pageId="5" pageNumber="750">
Beyond the generic features,
<taxonomicName id="4C034982C64D0D53FC659E91C8770B6F" authority="Simone &amp; Cunha, 2012" authorityName="Simone &amp; Cunha" authorityYear="2012" box="[1008,1145,1515,1541]" class="Gastropoda" family="Xenophoridae" genus="Onustus" kingdom="Animalia" order="Littorinimorpha" pageId="5" pageNumber="750" phylum="Mollusca" rank="species" species="aquitanus" status="sp. nov.">
<emphasis id="B977EE13C64D0D53FC659E91C8770B6F" box="[1008,1145,1515,1541]" italics="true" pageId="5" pageNumber="750">O. aquitanus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2445368C64D0D53FBEA9E91C8B40B6E" box="[1151,1210,1515,1541]" pageId="5" pageNumber="750" rank="species">n. sp.</taxonomicNameLabel>
additionally differs from
<taxonomicName id="4C034982C64D0D53FC3B9D70C8B70B4F" authorityName="Born" authorityYear="1780" box="[942,1209,1546,1572]" class="Gastropoda" family="Xenophoridae" genus="Xenophora" kingdom="Animalia" order="Littorinimorpha" pageId="5" pageNumber="750" phylum="Mollusca" rank="species" species="conchyliophora">
<emphasis id="B977EE13C64D0D53FC3B9D70C8B70B4F" box="[942,1209,1546,1572]" italics="true" pageId="5" pageNumber="750">Xenophora conchyliophora</emphasis>
</taxonomicName>
in being taller, by the presence of an umbilicus and in lacking brown pigmentation.
</paragraph>
<paragraph id="8BBC3201C64D0D50FD2E9D10CE890CDB" blockId="5.[674,1211,565,1700]" lastBlockId="6.[111,649,216,813]" lastPageId="6" lastPageNumber="751" pageId="5" pageNumber="750">
In regard to the protoconch,
<taxonomicName id="4C034982C64D0D53FC649D10C8760BE8" authority="Simone &amp; Cunha, 2012" authorityName="Simone &amp; Cunha" authorityYear="2012" box="[1009,1144,1642,1668]" class="Gastropoda" family="Xenophoridae" genus="Onustus" kingdom="Animalia" order="Littorinimorpha" pageId="5" pageNumber="750" phylum="Mollusca" rank="species" species="aquitanus" status="sp. nov.">
<emphasis id="B977EE13C64D0D53FC649D10C8760BE8" box="[1009,1144,1642,1668]" italics="true" pageId="5" pageNumber="750">O. aquitanus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2445368C64D0D53FB159D10C8B40BEF" box="[1152,1210,1642,1668]" pageId="5" pageNumber="750" rank="species">n. sp.</taxonomicNameLabel>
has an intermediary degree of multispirality. It is not as multispiral as, e.g., the Pacific
<taxonomicName id="4C034982C64E0D50FE789BA2CD2A0C79" authority="(Linnaeus, 1764)" baseAuthorityName="Linnaeus" baseAuthorityYear="1764" class="Magnoliopsida" family="Caryophyllaceae" genus="Stellaria" kingdom="Plantae" order="Caryophyllales" pageId="6" pageNumber="751" phylum="Tracheophyta" rank="species" species="solaris">
<emphasis id="B977EE13C64E0D50FE789BA2CE8D0D99" box="[493,643,216,242]" italics="true" pageId="6" pageNumber="751">Stellaria solaris</emphasis>
(Linnaeus, 1764)
</taxonomicName>
and
<taxonomicName id="4C034982C64E0D50FEC19B82CE8D0C79" authority="(Reeve, 1842)" baseAuthorityName="Reeve" baseAuthorityYear="1842" box="[340,643,248,274]" class="Gastropoda" family="Xenophoridae" genus="Onustus" kingdom="Animalia" order="Littorinimorpha" pageId="6" pageNumber="751" phylum="Mollusca" rank="species" species="exutus">
<emphasis id="B977EE13C64E0D50FEC19B82CDE40C7A" box="[340,490,248,274]" italics="true" pageId="6" pageNumber="751">Onustus exutus</emphasis>
(Reeve, 1842)
</taxonomicName>
. On the other hand, it is much more coiled than protoconchs of the Pacific
<taxonomicName id="4C034982C64E0D50FEC29A4DCD1C0C1A" authority="(Cotton &amp; Godfrey, 1938)" baseAuthorityName="Cotton &amp; Godfrey" baseAuthorityYear="1938" class="Gastropoda" family="Xenophoridae" genus="Xenophora" kingdom="Animalia" order="Littorinimorpha" pageId="6" pageNumber="751" phylum="Mollusca" rank="species" species="flindersi">
<emphasis id="B977EE13C64E0D50FEC29A4DCE1D0C3A" box="[343,531,311,337]" italics="true" pageId="6" pageNumber="751">Xenophora flindersi</emphasis>
(Cotton &amp; Godfrey, 1938)
</taxonomicName>
and others (
<bibRefCitation id="EF924FF0C64E0D50FE029A2CCE280C1A" author="PONDER W. F." box="[407,550,342,369]" pageId="6" pageNumber="751" pagination="1 - 126" refId="ref25148" refString="PONDER W. F. 1983. - A revision of the Recent Xenophoridae of the world and of the Australian fossil species (Mollusca: Gastropoda). Memoir of the Australian Museum 17: 1 - 126." type="journal article" year="1983">Ponder 1983</bibRefCitation>
: fig. 13). The
<taxonomicName id="4C034982C64E0D50FF0B9A0DCD2C0CFB" authority="Simone &amp; Cunha, 2012" authorityName="Simone &amp; Cunha" authorityYear="2012" box="[158,290,375,401]" class="Gastropoda" family="Xenophoridae" genus="Onustus" kingdom="Animalia" order="Littorinimorpha" pageId="6" pageNumber="751" phylum="Mollusca" rank="species" species="aquitanus" status="sp. nov.">
<emphasis id="B977EE13C64E0D50FF0B9A0DCD2C0CFB" box="[158,290,375,401]" italics="true" pageId="6" pageNumber="751">O. aquitanus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2445368C64E0D50FEB29A0DCD500CFA" box="[295,350,375,401]" pageId="6" pageNumber="751" rank="species">n. sp.</taxonomicNameLabel>
protoconch, in fact, is somewhat similar to those of
<taxonomicName id="4C034982C64E0D50FEFB9AEDCE8D0CDB" authority="Suter, 1908" authorityName="Suter" authorityYear="1908" box="[366,643,406,432]" class="Gastropoda" family="Xenophoridae" genus="Xenophora" kingdom="Animalia" order="Littorinimorpha" pageId="6" pageNumber="751" phylum="Mollusca" rank="species" species="neozelanica">
<emphasis id="B977EE13C64E0D50FEFB9AEDCE0E0CDB" box="[366,512,406,432]" italics="true" pageId="6" pageNumber="751">X. neozelanica</emphasis>
Suter, 1908
</taxonomicName>
.
</paragraph>
<paragraph id="8BBC3201C64E0D50FF1D9ACFCE350E46" blockId="6.[111,649,216,813]" pageId="6" pageNumber="751">
The shell size is another interesting diagnostic feature.
<taxonomicName id="4C034982C64E0D50FF599AACCD9C0C84" authority="Simone &amp; Cunha, 2012" authorityName="Simone &amp; Cunha" authorityYear="2012" box="[204,402,470,496]" class="Gastropoda" family="Xenophoridae" genus="Onustus" kingdom="Animalia" order="Littorinimorpha" pageId="6" pageNumber="751" phylum="Mollusca" rank="species" species="aquitanus" status="sp. nov.">
<emphasis id="B977EE13C64E0D50FF599AACCD9C0C84" box="[204,402,470,496]" italics="true" pageId="6" pageNumber="751">Onustus aquitanus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2445368C64E0D50FE0E9AACCDD60C9B" box="[411,472,470,496]" pageId="6" pageNumber="751" rank="species">n. sp.</taxonomicNameLabel>
looks to be the smallest of the Recent xenophorids. The remaining species, mainly those from western Atlantic, are commonly over
<quantity id="4CFB9FE4C64E0D50FEB5994ECD8E0F24" box="[288,384,564,591]" metricMagnitude="-1" metricUnit="m" metricValue="1.0" pageId="6" pageNumber="751" unit="mm" value="100.0">100 mm</quantity>
. The sample studied here are not larger than
<quantity id="4CFB9FE4C64E0D50FEAB992ECD9E0F04" box="[318,400,596,623]" metricMagnitude="-2" metricUnit="m" metricValue="2.0" pageId="6" pageNumber="751" unit="mm" value="20.0">20 mm</quantity>
, although the
<typeStatus id="54B88CA3C64E0D50FDBF992FCE880F04" box="[554,646,597,623]" pageId="6" pageNumber="751" type="paratype">paratype</typeStatus>
has the last whorl broken, its estimate maximum diameter is shorter than
<quantity id="4CFB9FE4C64E0D50FEEE99E9CDC10FC5" box="[379,463,659,686]" metricMagnitude="-2" metricUnit="m" metricValue="5.0" pageId="6" pageNumber="751" unit="mm" value="50.0">50 mm</quantity>
. The small size if compared with other xenophorids is an interesting feature, mainly regarding the fossil record, which shows that the oldest species are of small size (
<bibRefCitation id="EF924FF0C64E0D50FDC69988CCE40E47" author="COTTREAU J." pageId="6" pageNumber="751" pagination="109 - 192" refId="ref24278" refString="COTTREAU J. 1922. - Paleontologie de Madagascar. X. Fossiles cretaces de la cote orientale. Annales de Paleontologie 11: 109 - 192, pls 1 - 9." type="journal article" year="1922">Cottreau 1922</bibRefCitation>
;
<bibRefCitation id="EF924FF0C64E0D50FF609868CD8A0E47" author="PONDER W. F." box="[245,388,786,812]" pageId="6" pageNumber="751" pagination="1 - 126" refId="ref25148" refString="PONDER W. F. 1983. - A revision of the Recent Xenophoridae of the world and of the Australian fossil species (Mollusca: Gastropoda). Memoir of the Australian Museum 17: 1 - 126." type="journal article" year="1983">Ponder 1983</bibRefCitation>
;
<bibRefCitation id="EF924FF0C64E0D50FE1A9868CE3E0E46" author="SIMONE L. R. L." box="[399,560,786,813]" pageId="6" pageNumber="751" pagination="141 - 267" refId="ref25790" refString="SIMONE L. R. L. 2005 a. - Comparative morphological study of representatives of the three families of Stromboidea and the Xenophoroidea (Mollusca, Caenogastropoda), with an assessment of their phylogeny. Arquivos de Zoologia 37 (2): 141 - 267." type="journal article" year="2005">Simone 2005a</bibRefCitation>
).
</paragraph>
<paragraph id="8BBC3201C64E0D50FF19980BCE490EC7" blockId="6.[140,620,881,971]" pageId="6" pageNumber="751">
Superfamily
<taxonomicName id="4C034982C64E0D50FE809808CE620EE7" authority="Rafinesque, 1815" authorityName="Rafinesque" authorityYear="1815" box="[277,620,881,908]" class="Gastropoda" kingdom="Animalia" order="Littorinimorpha" pageId="6" pageNumber="751" phylum="Mollusca" rank="superFamily" superFamily="Cypraeoidea">CYPRAEOIDEA Rafinesque, 1815</taxonomicName>
Family
<taxonomicName id="4C034982C64E0D50FE9498E8CE490EC7" authority="Rafinesque, 1815" authorityName="Rafinesque" authorityYear="1815" box="[257,583,913,940]" class="Gastropoda" family="Cypraeidae" kingdom="Animalia" order="Littorinimorpha" pageId="6" pageNumber="751" phylum="Mollusca" rank="family">CYPRAEIDAE Rafinesque, 1815</taxonomicName>
</paragraph>
</subSubSection>
</treatment>
</document>
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