treatments-xml/data/03/8B/87/038B87FEFFA1FFE338853F20001AFAD2.xml

<document ID-DOI="10.5733/afin.056.0307" ID-ISSN="2305-2562" ID-Zenodo-Dep="7914533" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="GgImagineBatch" IM.taxonomicNames_approvedBy="felipe" IM.treatmentCitations_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1683585548779" checkinUser="felipe" docAuthor="Dijkstra, H. H. &amp; Maestrati, P." docDate="2015" docId="038B87FEFFA1FFE338853F20001AFAD2" docLanguage="en" docName="AfrInvertebr.56.3.585-628.pdf" docOrigin="African Invertebrates 56 (3)" docSource="http://www.bioone.org/doi/10.5733/afin.056.0307" docStyle="DocumentStyle:B78C63EC8CEBBB75364A82B35BB1F83D.3:AfrInvertebr.2008-2015.journal_article.0cover" docStyleId="B78C63EC8CEBBB75364A82B35BB1F83D" docStyleName="AfrInvertebr.2008-2015.journal_article.0cover" docStyleVersion="3" docTitle="Parvamussium puillandrei Dijkstra &amp; Maestrati 2015, sp. n." docType="treatment" docVersion="3" lastPageNumber="605" masterDocId="FFB2FF86FFB2FFF7395F3B730272FFD3" masterDocTitle="Pectinoidea (Bivalvia: Propeamussiidae and Cyclochlamydidae) from the southwestern Indian Ocean" masterLastPageNumber="585" masterPageNumber="585" pageNumber="604" updateTime="1683636114577" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0">
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<mods:titleInfo>
<mods:title>Pectinoidea (Bivalvia: Propeamussiidae and Cyclochlamydidae) from the southwestern Indian Ocean</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Dijkstra, H. H.</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Maestrati, P.</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>2015</mods:date>
<mods:detail type="pubDate">
<mods:number>2015-12-18</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>56</mods:number>
</mods:detail>
<mods:detail type="issue">
<mods:number>3</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>585</mods:start>
<mods:end>585</mods:end>
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<mods:url>http://www.bioone.org/doi/10.5733/afin.056.0307</mods:url>
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<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">10.5733/afin.056.0307</mods:identifier>
<mods:identifier type="ISSN">2305-2562</mods:identifier>
<mods:identifier type="Zenodo-Dep">7914533</mods:identifier>
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<treatment LSID="urn:lsid:plazi:treatment:038B87FEFFA1FFE338853F20001AFAD2" httpUri="http://treatment.plazi.org/id/038B87FEFFA1FFE338853F20001AFAD2" lastPageId="20" lastPageNumber="605" pageId="19" pageNumber="604">
<subSubSection box="[474,849,1106,1133]" pageId="19" pageNumber="604" type="nomenclature">
<paragraph blockId="19.[474,849,1106,1133]" box="[474,849,1106,1133]" pageId="19" pageNumber="604">
<heading box="[474,849,1106,1133]" centered="true" fontSize="11" level="2" pageId="19" pageNumber="604" reason="2">
<taxonomicName ID-CoL="6TSV4" authority="Dijkstra &amp; Maestrati, 2015" authorityName="Dijkstra &amp; Maestrati" authorityYear="2015" box="[474,782,1106,1133]" class="Bivalvia" family="Propeamussiidae" genus="Parvamussium" kingdom="Animalia" order="Pectinida" pageId="19" pageNumber="604" phylum="Mollusca" rank="species" species="puillandrei" status="sp. n.">
<emphasis bold="true" box="[474,782,1106,1133]" italics="true" pageId="19" pageNumber="604">Parvamussium puillandrei</emphasis>
</taxonomicName>
<taxonomicNameLabel box="[789,849,1107,1133]" pageId="19" pageNumber="604" rank="species">sp. n.</taxonomicNameLabel>
</heading>
</paragraph>
</subSubSection>
<subSubSection lastPageId="20" lastPageNumber="605" pageId="19" pageNumber="604" type="description">
<paragraph blockId="19.[602,721,1149,1175]" box="[602,721,1149,1175]" pageId="19" pageNumber="604">
<figureCitation box="[602,721,1149,1175]" captionStart="Fig" captionStartId="15.[181,214,1283,1305]" captionTargetBox="[189,1134,204,1268]" captionTargetId="figure-9@15.[189,1134,204,1268]" captionTargetPageId="15" captionText="Fig.2. Parvamussium spp.:(A–G) P.catillus sp.n., holotype:campaign Mainbaza, stn CP3139, (A) external view of the left valve, H = 7.2 mm, scale bar = 2 mm; (B) internal view of the left valve,H = 7.2 mm, scale bar = 2 mm; (C) external view of the right valve, H = 7.2 mm, scale bar = 2 mm; (D) internal view of the right valve, H = 7.2 mm, scale bar = 2 mm; (E) details of the left valve, H = 7.2 mm, scale bar = 0.1 mm; (F) details of the right valve, H = 7.2 mm, scale bar = 0.1 mm; (G) prodissoconch of the left valve,H = 7.2 mm,scale bar = 0.2 mm (MNHN 41966).(H–N) P.puillandreisp.n., holotype: campaign Miriky, stn DW3200, (H) external view of the left valve, H = 12.4 mm, scale bar = 0.2 mm; (I) internal view of the left valve, H = 12.4 mm, scale bar = 0.2 mm; (J) external view of the right valve, H = 10 mm, scale bar = 0.2 mm; (K) internal view of the right valve, H = 10 mm, scale bar = 0.2 mm; (L) prodissoconch of the left valve, H = 12.4 mm, scale bar = 0.2 mm; (M) details of the right valve, H = 10 mm, scale bar = 0.1 mm; (N) details of the left valve, H = 10 mm, scale bar = 0.1 mm (MNHN 39021)." figureDoi="http://doi.org/10.5281/zenodo.7914535" httpUri="https://zenodo.org/record/7914535/files/figure.png" pageId="19" pageNumber="604">Fig. 2H–N</figureCitation>
</paragraph>
<paragraph blockId="19.[181,1142,1192,1251]" pageId="19" pageNumber="604">Etymology: After Dr Nicolas Puillandre, Assistant Professor at the MNHN and participant in the present campaign.</paragraph>
<paragraph blockId="19.[181,1142,1267,1677]" lastBlockId="20.[144,1108,204,1282]" lastPageId="20" lastPageNumber="605" pageId="19" pageNumber="604">
Description: Shell up to 12.9 mm in height, fragile, inequivalve, inequilateral, somewhat higher than wide, left valve slightlY more inflated than right valve, whitish, auricles almost equal in size, relatively small, umbonal angle 
<emphasis box="[755,774,1331,1356]" italics="true" pageId="19" pageNumber="604">c.</emphasis>
90°. Prodissoconch 210 µm long. Left valve with prominent commarginal lamellae, commencing 
<emphasis box="[907,926,1363,1388]" italics="true" pageId="19" pageNumber="604">c.</emphasis>
0.5 mm below the umbonal top and covering the shell disc (
<emphasis box="[634,653,1395,1420]" italics="true" pageId="19" pageNumber="604">c.</emphasis>
6–7 per mm on central part of disc) towards the ventral margin, crossing 
<emphasis box="[504,523,1427,1452]" italics="true" pageId="19" pageNumber="604">c.</emphasis>
10–15 irregularly spaced radial costae in early growth stage, commencing 
<emphasis box="[401,420,1459,1484]" italics="true" pageId="19" pageNumber="604">c.</emphasis>
<quantity box="[425,488,1459,1485]" metricMagnitude="-3" metricUnit="m" metricValue="2.0" pageId="19" pageNumber="604" unit="mm" value="2.0">2 mm</quantity>
below the umbonal top, increasing by interstitial secondary radial riblets towards the ventral margin to 
<emphasis box="[650,669,1491,1516]" italics="true" pageId="19" pageNumber="604">c.</emphasis>
<quantity box="[674,729,1491,1517]" metricMagnitude="-1" metricUnit="m" metricValue="7.62" pageId="19" pageNumber="604" unit="in" value="30.0">30 in</quantity>
number.Auricles with closely spaced commarginal lamellae, which is somewhat more prominent on the anterior auricle. Hinge line straight. Right valve with regularly spaced slightly undulated commarginal lirae, weak in earlY ontogenY, more prominent laterallY, covered with radiallY arranged fine vesicular sculpture. Anterior auricle well developed, sculptured with 6–7 fine radial riblets, covered with commarginal lamellae, which are strongly developed on antero-dorsal margin. Posterior auricle covered with commarginal lamellae, which are more prominent on postero-dorsal margin. Marginal apron broken off in all specimens seen. Internal lirae 10, 3 of them rudimentary, plus 1 small posterior auricular lira on the left valve; 9 lirae plus 3 rudimentary, and 1 posterior auricular lira on right valve. Lirae commencing in early growth stage and enlarging towards the submarginal area (
<emphasis box="[787,806,332,357]" italics="true" pageId="20" pageNumber="605">c.</emphasis>
<quantity box="[812,875,332,358]" metricMagnitude="-3" metricUnit="m" metricValue="3.0" pageId="20" pageNumber="605" unit="mm" value="3.0">3 mm</quantity>
from the periphery). Exterior sculpture of left valve slightly visible from the interior. Outer ligament small. Resilifer triangular. Byssal notch small. Fasciolar pseudo-ctenolium lacking. Dimensions: 
<typeStatus box="[292,401,436,462]" pageId="20" pageNumber="605">Holotype</typeStatus>
: Height 12.9 mm, width 12.3 mm, convexity 3.0 mm.
</paragraph>
<paragraph blockId="20.[144,1108,204,1282]" pageId="20" pageNumber="605">
Type material: 
<materialsCitation collectingDate="2009-06-28" collectionCode="MNHN" country="Madagascar" elevation="606" latitude="-12.1" location="West of Cap d'Ambre" longLatPrecision="1293" longitude="48.9" municipality="Miriky" pageId="20" pageNumber="605" specimenCount="2" specimenCount-larva="2" typeStatus="holotype">
<typeStatus box="[282,369,472,494]" pageId="20" pageNumber="605">Holotype</typeStatus>
, pr (
<collectionCode box="[410,481,473,494]" 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="20" pageNumber="605">MNHN</collectionCode>
IM-2007-39021), 
<typeStatus box="[652,739,473,494]" pageId="20" pageNumber="605">paratypes</typeStatus>
(
<collectionCode box="[751,822,473,494]" 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="20" pageNumber="605">MNHN</collectionCode>
IM-2007-39051, 1 pr; MNHN IM-2007-39296, 1 pr; MNHN IM-2000-30116, 
<specimenCount box="[583,622,496,518]" pageId="20" pageNumber="605" type="larva">2 lv</specimenCount>
). Type locality: NW 
<collectingCountry box="[816,981,497,518]" name="Madagascar" pageId="20" pageNumber="605">MADAGASCAR</collectingCountry>
: 
<location LSID="urn:lsid:plazi:treatment:038B87FEFFA1FFE338853F20001AFAD2:8EFD6033FFA6FFE33A813A820290FDCD" country="Madagascar" latitude="-12.1" longLatPrecision="1293" longitude="48.9" municipality="Miriky" name="West of Cap d'Ambre" pageId="20" pageNumber="605">West of Cap d’Ambre</location>
(
<geoCoordinate box="[238,309,520,542]" degrees="12" direction="south" minutes="06" orientation="latitude" pageId="20" pageNumber="605" precision="925" value="-12.1">12°06'S</geoCoordinate>
<geoCoordinate box="[315,391,520,542]" degrees="48" direction="east" minutes="54" orientation="longitude" pageId="20" pageNumber="605" precision="925" value="48.9">48°54'E</geoCoordinate>
), - 
<quantity box="[413,522,520,542]" metricMagnitude="2" metricUnit="m" metricValue="6.0649999999999995" metricValueMax="6.529999999999999" metricValueMin="5.6" pageId="20" pageNumber="605" unit="m" value="606.5" valueMax="653.0" valueMin="560.0">
<elevation box="[413,522,520,542]" metricMagnitude="2" metricUnit="m" metricValue="6.0649999999999995" metricValueMax="6.529999999999999" metricValueMin="5.6" pageId="20" pageNumber="605" unit="m" value="606.5" valueMax="653.0" valueMin="560.0">560–653 m</elevation>
</quantity>
, live, campaign 
<collectingMunicipality box="[670,734,520,542]" pageId="20" pageNumber="605">Miriky</collectingMunicipality>
, stn DW3200, 
<date box="[869,969,520,542]" pageId="20" pageNumber="605" value="2009-06-28">
<collectingDate box="[869,969,520,542]" pageId="20" pageNumber="605" value="2009-06-28">28.vi.2009</collectingDate>
</date>
.
</materialsCitation>
</paragraph>
<paragraph blockId="20.[144,1108,204,1282]" pageId="20" pageNumber="605">
Other material examined: 
<materialsCitation collectingDate="2010-05-01" collectionCode="MNHN" collectorName="Atimo Vatae &amp; Nosy Be" country="Madagascar" elevation="431" latitude="-24.4" location="Manantenina" longLatPrecision="1251" longitude="47.55" pageId="20" pageNumber="605" specimenCount="2" specimenCount-larva="2">
S 
<collectingCountry box="[385,547,553,574]" name="Madagascar" pageId="20" pageNumber="605">MADAGASCAR</collectingCountry>
: 
<location LSID="urn:lsid:plazi:treatment:038B87FEFFA1FFE338853F20001AFAD2:8EFD6033FFA6FFE33B75395A00EFFDEC" box="[554,669,553,575]" country="Madagascar" latitude="-24.4" longLatPrecision="1251" longitude="47.55" name="Manantenina" pageId="20" pageNumber="605">Manantenina</location>
(
<geoCoordinate box="[679,750,553,574]" degrees="24" direction="south" minutes="24" orientation="latitude" pageId="20" pageNumber="605" precision="925" value="-24.4">24°24'S</geoCoordinate>
<geoCoordinate box="[753,825,553,574]" degrees="47" direction="east" minutes="33" orientation="longitude" pageId="20" pageNumber="605" precision="925" value="47.55">47°33'E</geoCoordinate>
), - 
<quantity box="[846,950,553,575]" metricMagnitude="2" metricUnit="m" metricValue="4.31" metricValueMax="4.38" metricValueMin="4.24" pageId="20" pageNumber="605" unit="m" value="431.0" valueMax="438.0" valueMin="424.0">
<elevation box="[846,950,553,575]" metricMagnitude="2" metricUnit="m" metricValue="4.31" metricValueMax="4.38" metricValueMin="4.24" pageId="20" pageNumber="605" unit="m" value="431.0" valueMax="438.0" valueMin="424.0">424–438 m</elevation>
</quantity>
, dead, expedition 
<collectorName box="[144,261,577,599]" pageId="20" pageNumber="605">Atimo Vatae</collectorName>
, stn DW3528, RV 
<emphasis box="[435,539,577,599]" italics="true" pageId="20" pageNumber="605">
<collectorName box="[435,511,578,599]" pageId="20" pageNumber="605">Nosy Bé</collectorName>
11
</emphasis>
, 
<date box="[551,640,577,598]" pageId="20" pageNumber="605" value="2010-05-01">
<collectingDate box="[551,640,577,598]" pageId="20" pageNumber="605" value="2010-05-01">01.v.2010</collectingDate>
</date>
(
<collectionCode box="[653,726,577,598]" 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="20" pageNumber="605">MNHN</collectionCode>
, 
<specimenCount box="[736,774,577,599]" pageId="20" pageNumber="605" type="larva">2 lv</specimenCount>
)
</materialsCitation>
; 
<materialsCitation collectingDate="2010-05-06" collectionCode="MNHN" collectorName="Atimo Vatae &amp; Nosy Be" country="Madagascar" elevation="445" latitude="-25.616667" location="E of Faux Cap" longLatPrecision="1245" longitude="46.333332" pageId="20" pageNumber="605" specimenCount="1" specimenCount-larva="1">
<location LSID="urn:lsid:plazi:treatment:038B87FEFFA1FFE338853F20001AFAD2:8EFD6033FFA6FFE33A47393101EDFD85" box="[792,927,577,599]" country="Madagascar" latitude="-25.616667" longLatPrecision="1245" longitude="46.333332" name="E of Faux Cap" pageId="20" pageNumber="605">E of Faux Cap</location>
(
<geoCoordinate box="[940,1011,577,599]" degrees="25" direction="south" minutes="37" orientation="latitude" pageId="20" pageNumber="605" precision="925" value="-25.616667">25°37'S</geoCoordinate>
<geoCoordinate box="[1018,1093,577,599]" degrees="46" direction="east" minutes="20" orientation="longitude" pageId="20" pageNumber="605" precision="925" value="46.333332">46°20'E</geoCoordinate>
), - 
<quantity box="[150,259,601,623]" metricMagnitude="2" metricUnit="m" metricValue="4.445" metricValueMax="4.56" metricValueMin="4.33" pageId="20" pageNumber="605" unit="m" value="444.5" valueMax="456.0" valueMin="433.0">
<elevation box="[150,259,601,623]" metricMagnitude="2" metricUnit="m" metricValue="4.445" metricValueMax="4.56" metricValueMin="4.33" pageId="20" pageNumber="605" unit="m" value="444.5" valueMax="456.0" valueMin="433.0">433–456 m</elevation>
</quantity>
, live, expedition 
<collectorName box="[414,530,601,623]" pageId="20" pageNumber="605">Atimo Vatae</collectorName>
, stn DW3564, RV 
<emphasis box="[701,803,601,623]" italics="true" pageId="20" pageNumber="605">
<collectorName box="[701,776,602,623]" pageId="20" pageNumber="605">Nosy Bé</collectorName>
11
</emphasis>
, 
<date box="[814,904,601,623]" pageId="20" pageNumber="605" value="2010-05-06">
<collectingDate box="[814,904,601,623]" pageId="20" pageNumber="605" value="2010-05-06">06.v.2010</collectingDate>
</date>
(
<collectionCode box="[915,988,601,622]" 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="20" pageNumber="605">MNHN</collectionCode>
, 21 pr, 
<specimenCount box="[1055,1092,601,623]" pageId="20" pageNumber="605" type="larva">1 lv</specimenCount>
)
</materialsCitation>
; 
<materialsCitation collectingDate="2010-05-06" collectionCode="MNHN" collectorName="Atimo Vatae &amp; Nosy Be" country="Madagascar" elevation="621" latitude="-25.6" location="E of Faux Cap" longLatPrecision="1245" longitude="46.35" pageId="20" pageNumber="605" specimenCount="1" specimenCount-larva="1">
<location LSID="urn:lsid:plazi:treatment:038B87FEFFA1FFE338853F20001AFAD2:8EFD6033FFA6FFE339CF39010367FD55" box="[144,277,625,647]" country="Madagascar" latitude="-25.6" longLatPrecision="1245" longitude="46.35" name="E of Faux Cap" pageId="20" pageNumber="605">E of Faux Cap</location>
(
<geoCoordinate box="[290,361,625,647]" degrees="25" direction="south" minutes="36" orientation="latitude" pageId="20" pageNumber="605" precision="925" value="-25.6">25°36'S</geoCoordinate>
<geoCoordinate box="[368,443,625,647]" degrees="46" direction="east" minutes="21" orientation="longitude" pageId="20" pageNumber="605" precision="925" value="46.35">46°21'E</geoCoordinate>
), - 
<quantity box="[465,575,625,647]" metricMagnitude="2" metricUnit="m" metricValue="6.21" metricValueMax="6.24" metricValueMin="6.18" pageId="20" pageNumber="605" unit="m" value="621.0" valueMax="624.0" valueMin="618.0">
<elevation box="[465,575,625,647]" metricMagnitude="2" metricUnit="m" metricValue="6.21" metricValueMax="6.24" metricValueMin="6.18" pageId="20" pageNumber="605" unit="m" value="621.0" valueMax="624.0" valueMin="618.0">618–624 m</elevation>
</quantity>
, dead, expedition 
<collectorName box="[739,856,625,647]" pageId="20" pageNumber="605">Atimo Vatae</collectorName>
, stn DW3565, RV 
<emphasis italics="true" pageId="20" pageNumber="605">
<collectorName box="[1028,1104,626,647]" pageId="20" pageNumber="605">Nosy Bé</collectorName>
11
</emphasis>
, 
<date box="[175,264,649,671]" pageId="20" pageNumber="605" value="2010-05-06">
<collectingDate box="[175,264,649,671]" pageId="20" pageNumber="605" value="2010-05-06">06.v.2010</collectingDate>
</date>
(
<collectionCode box="[274,347,649,670]" 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="20" pageNumber="605">MNHN</collectionCode>
, 
<specimenCount box="[355,391,649,671]" pageId="20" pageNumber="605" type="larva">1 lv</specimenCount>
)
</materialsCitation>
; 
<materialsCitation collectingDate="2010-05-06" collectingDateMax="2010-05-10" collectingDateMin="2010-05-06" collectionCode="MNHN" collectorName="Atimo Vatae &amp; Nosy Be &amp; RV Nosy Be" country="Madagascar" elevation="621" latitude="-25.533333" location="Pointe Barrow" longLatPrecision="1246" longitude="44.266666" pageId="20" pageNumber="605" specimenCount="5" specimenCount-larva="5">
<locationDeviation box="[406,535,649,671]" location="Faux Cap" pageId="20" pageNumber="605">E of Faux Cap</locationDeviation>
(
<geoCoordinate box="[545,617,649,671]" degrees="25" direction="south" minutes="37" orientation="latitude" pageId="20" pageNumber="605" precision="925" value="-25.616667">25°37'S</geoCoordinate>
<geoCoordinate box="[621,697,649,671]" degrees="46" direction="east" minutes="21" orientation="longitude" pageId="20" pageNumber="605" precision="925" value="46.35">46°21'E</geoCoordinate>
), - 
<quantity box="[717,825,649,671]" metricMagnitude="2" metricUnit="m" metricValue="6.21" metricValueMax="6.24" metricValueMin="6.18" pageId="20" pageNumber="605" unit="m" value="621.0" valueMax="624.0" valueMin="618.0">
<elevation box="[717,825,649,671]" metricMagnitude="2" metricUnit="m" metricValue="6.21" metricValueMax="6.24" metricValueMin="6.18" pageId="20" pageNumber="605" unit="m" value="621.0" valueMax="624.0" valueMin="618.0">618–624 m</elevation>
</quantity>
, dead, expedition 
<collectorName box="[986,1101,649,671]" pageId="20" pageNumber="605">Atimo Vatae</collectorName>
, stn CP3566, RV 
<emphasis box="[297,399,673,695]" italics="true" pageId="20" pageNumber="605">
<collectorName box="[297,372,674,695]" pageId="20" pageNumber="605">Nosy Bé</collectorName>
11
</emphasis>
, 
<date box="[411,501,673,695]" pageId="20" pageNumber="605" value="2010-05-06">
<collectingDate box="[411,501,673,695]" pageId="20" pageNumber="605" value="2010-05-06">06.v.2010</collectingDate>
</date>
(
<collectionCode box="[513,586,673,694]" 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="20" pageNumber="605">MNHN</collectionCode>
, 1 rv); S 
<location LSID="urn:lsid:plazi:treatment:038B87FEFFA1FFE338853F20001AFAD2:8EFD6033FFA6FFE33BC139D20150FD64" box="[670,802,673,695]" country="Madagascar" latitude="-25.533333" longLatPrecision="1246" longitude="44.266666" name="Pointe Barrow" pageId="20" pageNumber="605">Pointe Barrow</location>
(
<geoCoordinate box="[815,887,673,695]" degrees="25" direction="south" minutes="32" orientation="latitude" pageId="20" pageNumber="605" precision="925" value="-25.533333">25°32'S</geoCoordinate>
<geoCoordinate box="[893,968,673,695]" degrees="44" direction="east" minutes="16" orientation="longitude" pageId="20" pageNumber="605" precision="925" value="44.266666">44°16'E</geoCoordinate>
), - 
<quantity box="[991,1101,673,695]" metricMagnitude="2" metricUnit="m" metricValue="5.625" metricValueMax="5.76" metricValueMin="5.49" pageId="20" pageNumber="605" unit="m" value="562.5" valueMax="576.0" valueMin="549.0">
<elevation box="[991,1101,673,695]" metricMagnitude="2" metricUnit="m" metricValue="5.625" metricValueMax="5.76" metricValueMin="5.49" pageId="20" pageNumber="605" unit="m" value="562.5" valueMax="576.0" valueMin="549.0">549–576 m</elevation>
</quantity>
, live, expedition 
<collectorName box="[289,405,697,719]" pageId="20" pageNumber="605">Atimo Vatae</collectorName>
, stn CP3585, 
<collectorName box="[530,641,698,719]" pageId="20" pageNumber="605">
RV 
<emphasis box="[566,641,698,719]" italics="true" pageId="20" pageNumber="605">Nosy Bé</emphasis>
</collectorName>
11, 
<date box="[679,768,697,718]" pageId="20" pageNumber="605" value="2010-05-10">
<collectingDate box="[679,768,697,718]" pageId="20" pageNumber="605" value="2010-05-10">10.v.2010</collectingDate>
</date>
(
<collectionCode box="[780,853,697,718]" 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="20" pageNumber="605">MNHN</collectionCode>
, 1 pr, 
<specimenCount box="[908,943,697,719]" pageId="20" pageNumber="605" type="larva">5 lv</specimenCount>
, 7 rv)
</materialsCitation>
.
</paragraph>
<paragraph blockId="20.[144,1108,204,1282]" pageId="20" pageNumber="605">
Distribution and habitat: To date northwestern and southern 
<collectingCountry box="[871,1013,734,760]" name="Madagascar" pageId="20" pageNumber="605">Madagascar</collectingCountry>
. Living bathyally on soft substrata of mud and sand at a minimum depth range of - 
<quantity box="[965,1100,766,793]" metricMagnitude="2" metricUnit="m" metricValue="5.08" metricValueMax="5.6" metricValueMin="4.56" pageId="20" pageNumber="605" unit="m" value="508.0" valueMax="560.0" valueMin="456.0">
456– 
<specimenCount box="[1025,1100,766,793]" pageId="20" pageNumber="605" type="generic">560 m</specimenCount>
</quantity>
. Remarks: The onlY closelY resembling congeneric species from the Indo-Pacific is 
<taxonomicName authority="Dijkstra, 1995" authorityName="Dijkstra" authorityYear="1995" box="[144,628,839,866]" class="Bivalvia" family="Propeamussiidae" genus="Parvamussium" kingdom="Animalia" order="Pectinida" pageId="20" pageNumber="605" phylum="Mollusca" rank="species" species="undisonum">
<emphasis box="[144,448,839,865]" italics="true" pageId="20" pageNumber="605">Parvamussium undisonum</emphasis>
Dijkstra, 1995
</taxonomicName>
, recorded from the southwestern Pacific (
<bibRefCitation author="DIJKSTRA, H. H. &amp; MAESTRATI, P." box="[151,500,871,897]" pageId="20" pageNumber="605" pagination="77 - 113" refId="ref33825" refString="DIJKSTRA, H. H. &amp; MAESTRATI, P. 2008. New species and new records of deep-water Pectinoidea (Bivalvia: Propeamussiidae, Entoliidae and Pectinidae) from the South Pacific. In: Heros, V., Cowie, R. H. &amp; Bouchet, P., eds, Tropical Deep - Sea Benthos, 25. Memoires du Museum national d'Histoire naturelle 196: 77 - 113." type="journal article" year="2008">Dijkstra &amp; Maestrati 2008: 96</bibRefCitation>
), live at - 
<quantity box="[608,742,871,897]" metricMagnitude="2" metricUnit="m" metricValue="5.705" metricValueMax="7.1" metricValueMin="4.31" pageId="20" pageNumber="605" unit="m" value="570.5" valueMax="710.0" valueMin="431.0">
431– 
<specimenCount box="[666,742,871,897]" pageId="20" pageNumber="605" type="generic">710 m</specimenCount>
</quantity>
. However, 
<taxonomicName authorityName="Dijkstra &amp; Maestrati" authorityYear="2015" box="[870,1022,871,897]" class="Bivalvia" family="Propeamussiidae" genus="Parvamussium" kingdom="Animalia" order="Pectinida" pageId="20" pageNumber="605" phylum="Mollusca" rank="species" species="puillandrei">
<emphasis box="[870,1022,871,897]" italics="true" pageId="20" pageNumber="605">P. puillandrei</emphasis>
</taxonomicName>
differs morphologically from 
<taxonomicName authorityName="Dijkstra" authorityYear="1995" box="[405,559,903,929]" class="Bivalvia" family="Propeamussiidae" genus="Parvamussium" kingdom="Animalia" order="Pectinida" pageId="20" pageNumber="605" phylum="Mollusca" rank="species" species="undisonum">
<emphasis box="[405,559,903,929]" italics="true" pageId="20" pageNumber="605">P. undisonum</emphasis>
</taxonomicName>
in having a more closely spaced commarginal sculpture (
<taxonomicName authorityName="Dijkstra &amp; Maestrati" authorityYear="2015" box="[262,412,935,961]" class="Bivalvia" family="Propeamussiidae" genus="Parvamussium" kingdom="Animalia" order="Pectinida" pageId="20" pageNumber="605" phylum="Mollusca" rank="species" species="puillandrei">
<emphasis box="[262,412,935,961]" italics="true" pageId="20" pageNumber="605">P. puillandrei</emphasis>
</taxonomicName>
6–7 per mm, 
<taxonomicName authorityName="Dijkstra" authorityYear="1995" box="[570,720,935,961]" class="Bivalvia" family="Propeamussiidae" genus="Parvamussium" kingdom="Animalia" order="Pectinida" pageId="20" pageNumber="605" phylum="Mollusca" rank="species" species="undisonum">
<emphasis box="[570,720,935,961]" italics="true" pageId="20" pageNumber="605">P. undisonum</emphasis>
</taxonomicName>
5 per mm in the central shell disc) on both valves, in having more and stronger developed radial ribs on the left valve (
<taxonomicName authorityName="Dijkstra &amp; Maestrati" authorityYear="2015" class="Bivalvia" family="Propeamussiidae" genus="Parvamussium" kingdom="Animalia" order="Pectinida" pageId="20" pageNumber="605" phylum="Mollusca" rank="species" species="puillandrei">
<emphasis italics="true" pageId="20" pageNumber="605">P. puillandrei</emphasis>
</taxonomicName>
up to 
<emphasis box="[336,355,1000,1025]" italics="true" pageId="20" pageNumber="605">c.</emphasis>
20, 
<taxonomicName authorityName="Dijkstra" authorityYear="1995" box="[402,552,999,1025]" class="Bivalvia" family="Propeamussiidae" genus="Parvamussium" kingdom="Animalia" order="Pectinida" pageId="20" pageNumber="605" phylum="Mollusca" rank="species" species="undisonum">
<emphasis box="[402,552,999,1025]" italics="true" pageId="20" pageNumber="605">P. undisonum</emphasis>
</taxonomicName>
up to 
<emphasis box="[621,640,1000,1025]" italics="true" pageId="20" pageNumber="605">c.</emphasis>
15) and more interstitial secondary radial riblets, in having a broader groove between the disc and the anterior auricle of the right valve (
<taxonomicName authorityName="Dijkstra" authorityYear="1995" box="[218,365,1063,1089]" class="Bivalvia" family="Propeamussiidae" genus="Parvamussium" kingdom="Animalia" order="Pectinida" pageId="20" pageNumber="605" phylum="Mollusca" rank="species" species="undisonum">
<emphasis box="[218,365,1063,1089]" italics="true" pageId="20" pageNumber="605">P. undisonum</emphasis>
</taxonomicName>
narrow), in lacking a pseudo-ctenolium (which is present in adult 
<taxonomicName authorityName="Dijkstra" authorityYear="1995" class="Bivalvia" family="Propeamussiidae" genus="Parvamussium" kingdom="Animalia" order="Pectinida" pageId="20" pageNumber="605" phylum="Mollusca" rank="species" species="undisonum">
<emphasis italics="true" pageId="20" pageNumber="605">P. undisonum</emphasis>
</taxonomicName>
), and in having earlier developed internal ribs (internal ribs in 
<taxonomicName authorityName="Dijkstra" authorityYear="1995" box="[955,1104,1095,1121]" class="Bivalvia" family="Propeamussiidae" genus="Parvamussium" kingdom="Animalia" order="Pectinida" pageId="20" pageNumber="605" phylum="Mollusca" rank="species" species="undisonum">
<emphasis box="[955,1104,1095,1121]" italics="true" pageId="20" pageNumber="605">P. undisonum</emphasis>
</taxonomicName>
commence in a later growth stage near the adductor insertion scar).
</paragraph>
<paragraph blockId="20.[144,1108,204,1282]" pageId="20" pageNumber="605">
The pseudo-ctenolium, an unusual character in 
<taxonomicName authorityName="Abbott" authorityYear="1954" box="[722,915,1159,1185]" class="Bivalvia" family="Propeamussiidae" kingdom="Animalia" order="Pectinida" pageId="20" pageNumber="605" phylum="Mollusca" rank="family">Propeamussiidae</taxonomicName>
, is discussed by 
<bibRefCitation author="WALLER, T. R." box="[144,355,1191,1218]" pageId="20" pageNumber="605" pagination="203 - 219" refId="ref35370" refString="WALLER, T. R. 1984. The ctenolium of scallop shells: functional morphology and evolution of a key familylevel character in the Pectinacea (Mollusca, Bivalvia). Malacologia 25: 203 - 219." type="journal article" year="1984">Waller (1984: 213</bibRefCitation>
, figs 5a–b) in 
<taxonomicName authority="(Dall, 1886)" baseAuthorityName="Dall" baseAuthorityYear="1886" box="[523,949,1191,1217]" class="Bivalvia" family="Propeamussiidae" genus="Parvamussium" kingdom="Animalia" order="Pectinida" pageId="20" pageNumber="605" phylum="Mollusca" rank="species" species="sayanum">
<emphasis box="[523,799,1192,1217]" italics="true" pageId="20" pageNumber="605">Parvamussium sayanum</emphasis>
(Dall, 1886)
</taxonomicName>
, known from the tropical western Atlantic, and this feature is also observed in adult specimens of 
<taxonomicName authorityName="Dijkstra" authorityYear="1995" class="Bivalvia" family="Propeamussiidae" genus="Parvamussium" kingdom="Animalia" order="Pectinida" pageId="20" pageNumber="605" phylum="Mollusca" rank="species" species="undisonum">
<emphasis italics="true" pageId="20" pageNumber="605">P. undisonum</emphasis>
</taxonomicName>
, lacking in the present species.
</paragraph>
</subSubSection>
</treatment>
</document>