treatments-xml/data/03/8B/87/038B87FEFFADFFD738B03F360652FC44.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="038B87FEFFADFFD738B03F360652FC44" 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="Cyclopecten cassiculus Dijkstra &amp; Maestrati 2015, sp. n." docType="treatment" docVersion="3" lastPageNumber="617" masterDocId="FFB2FF86FFB2FFF7395F3B730272FFD3" masterDocTitle="Pectinoidea (Bivalvia: Propeamussiidae and Cyclochlamydidae) from the southwestern Indian Ocean" masterLastPageNumber="585" masterPageNumber="585" pageNumber="616" 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>
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<mods:typeOfResource>text</mods:typeOfResource>
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<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>
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<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 ID-DOI="http://doi.org/10.5281/zenodo.7914643" ID-Zenodo-Dep="7914643" LSID="urn:lsid:plazi:treatment:038B87FEFFADFFD738B03F360652FC44" httpUri="http://treatment.plazi.org/id/038B87FEFFADFFD738B03F360652FC44" lastPageId="32" lastPageNumber="617" pageId="31" pageNumber="616">
<subSubSection box="[495,827,1093,1120]" pageId="31" pageNumber="616" type="nomenclature">
<paragraph blockId="31.[181,1142,1093,1677]" box="[495,827,1093,1120]" pageId="31" pageNumber="616">
<heading box="[495,827,1093,1120]" centered="true" fontSize="11" level="2" pageId="31" pageNumber="616" reason="2">
<taxonomicName ID-CoL="32V9N" authority="Dijkstra &amp; Maestrati, 2015" authorityName="Dijkstra &amp; Maestrati" authorityYear="2015" box="[495,760,1093,1120]" class="Bivalvia" family="Propeamussiidae" genus="Cyclopecten" kingdom="Animalia" order="Pectinida" pageId="31" pageNumber="616" phylum="Mollusca" rank="species" species="cassiculus" status="sp. n.">
<emphasis bold="true" box="[495,760,1093,1120]" italics="true" pageId="31" pageNumber="616">Cyclopecten cassiculus</emphasis>
</taxonomicName>
<taxonomicNameLabel box="[768,827,1094,1120]" pageId="31" pageNumber="616" rank="species">sp. n.</taxonomicNameLabel>
</heading>
</paragraph>
</subSubSection>
<subSubSection lastPageId="32" lastPageNumber="617" pageId="31" pageNumber="616" type="description">
<paragraph blockId="31.[181,1142,1093,1677]" box="[602,721,1133,1159]" pageId="31" pageNumber="616">
<figureCitation box="[602,721,1133,1159]" captionStart="Fig" captionStartId="33.[181,214,1015,1037]" captionTargetBox="[189,1134,204,998]" captionTargetId="figure-128@33.[189,1134,204,998]" captionTargetPageId="33" captionText="Fig. 6. Cyclopecten spp.: (A–G) C. cassiculus sp. n., holotype: campaign Miriky, stn CP3248, (A) external view of the left valve, H = 8.5 mm, scale bar = 2 mm; (B) internal view of the left valve,H = 8.5 mm, scale bar = 2 mm; (C) external view of the right valve, H = 7 mm, scale bar = 2 mm; (D) internal view of the right valve, H = 7 mm, scale bar = 2 mm; (E) prodissoconch of the left valve, H = 8.5 mm, scale bar = 0.1 mm; (F) details of the left valve, H = 8.5 mm, scale bar = 0.1 mm; (G) details of the right valve, H = 7 mm, scale bar = 0.1 mm (MNHN 41951). (H, I) C. horridus Dijkstra, 1995: South Africa, Transkei, off Whale Rock, (H) external view of the left valve, H = 3.3 mm, scale bar = 1 mm; (I) details of the left valve, H = 3.3 mm, scale bar = 0.1 mm (NMSA E65)." figureDoi="http://doi.org/10.5281/zenodo.7914549" httpUri="https://zenodo.org/record/7914549/files/figure.png" pageId="31" pageNumber="616">Fig. 6A–G</figureCitation>
</paragraph>
<paragraph blockId="31.[181,1142,1093,1677]" pageId="31" pageNumber="616">
Etymology: From the Latin 
<taxonomicName authorityName="Dijkstra &amp; Maestrati" authorityYear="2015" box="[494,609,1171,1197]" class="Bivalvia" family="Propeamussiidae" genus="Cyclopecten" kingdom="Animalia" order="Pectinida" pageId="31" pageNumber="616" phylum="Mollusca" rank="species" species="cassiculus">
<emphasis box="[494,609,1171,1197]" italics="true" pageId="31" pageNumber="616">cassiculus</emphasis>
</taxonomicName>
(m.) (small spider’s web), after the sculpture of left valve that resembles a spider’s web with fine raindrops on the intersections.
</paragraph>
<paragraph blockId="31.[181,1142,1093,1677]" lastBlockId="32.[144,1104,204,919]" lastPageId="32" lastPageNumber="617" pageId="31" pageNumber="616">
Description: Shell up to 8.9 mm in height, fragile, lv opaque, rv semi-transparent, somewhat higher than wide, inequivalve, flattened and somewhat rough, left valve slightlY more convex than right valve, inequilateral, anterior auricle larger than posterior, umbonal angle 90°–95°, colour of left valve creamy, right valve whitish. Prodissoch 170 µm long. Left valve sculptured with very closely spaced commarginal lirae in early growth stage (
<emphasis box="[403,423,1399,1424]" italics="true" pageId="31" pageNumber="616">c.</emphasis>
10 per mm), more prominent and widely spaced on central shell disc (
<emphasis box="[245,264,1431,1456]" italics="true" pageId="31" pageNumber="616">c.</emphasis>
4–5 per mm), 8–10 fine radial lirae commence 
<emphasis box="[819,838,1431,1456]" italics="true" pageId="31" pageNumber="616">c.</emphasis>
0.8–1.0 mm below umbo, increasing to 
<emphasis box="[331,351,1462,1487]" italics="true" pageId="31" pageNumber="616">c.</emphasis>
15 strong primary lirae near periphery with interstitial secondary lirae, intersections with small nodules on primary radial lirae in early growth stage, more lamellar in adult stage, small nodules on secondary interstitial riblets, similar sculptured auricles almost continuous with shell disc. Right valve with very weak, regularly spaced, delicate commarginal lamellae (
<emphasis box="[540,559,1588,1613]" italics="true" pageId="31" pageNumber="616">c.</emphasis>
10 per mm). Anterior auricle with 6–7 antimarginal noduliferous lirae, posterior auricle continuous with disc with verY fine and close-set commarginal lirae. Byssal notch moderately deep, byssal fasciole rather small, no ctenolium. Hinge line straight. Resilifer triangular. Internal ribs lacking.
</paragraph>
<paragraph blockId="32.[144,1104,204,919]" box="[144,973,242,268]" pageId="32" pageNumber="617">
Dimensions (
<typeStatus box="[292,397,242,268]" pageId="32" pageNumber="617">holotype</typeStatus>
): height 8.9 mm, width 8.0 mm, convexity 2.9 mm.
</paragraph>
<paragraph blockId="32.[144,1104,204,919]" pageId="32" pageNumber="617">
Type material: 
<materialsCitation collectingDate="2009-07-07" collectionCode="MNHN" collectorName="Miriky &amp; RV Miriky &amp; P. Bouchet &amp; Y. Kantor" country="Madagascar" elevation="393" latitude="-14.833333" location="Near Mahajamba Bay" longLatPrecision="1286" longitude="46.95" pageId="32" pageNumber="617" specimenCount="2" typeStatus="holotype">
<typeStatus box="[276,362,276,298]" pageId="32" pageNumber="617">Holotype</typeStatus>
, pr (
<collectionCode box="[397,467,276,297]" 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="32" pageNumber="617">MNHN</collectionCode>
IM-2007-41951), 
<typeStatus box="[632,711,277,298]" pageId="32" pageNumber="617">paratype</typeStatus>
, pr (
<collectionCode box="[747,817,276,297]" 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="32" pageNumber="617">MNHN</collectionCode>
IM-2007-41954).Type locality: 
<collectingCountry box="[144,306,300,321]" name="Madagascar" pageId="32" pageNumber="617">MADAGASCAR</collectingCountry>
: 
<location LSID="urn:lsid:plazi:treatment:038B87FEFFADFFD738B03F360652FC44:8EFD6033FF92FFD738673A5F038AFE92" box="[312,504,300,322]" country="Madagascar" latitude="-14.833333" longLatPrecision="1286" longitude="46.95" name="Near Mahajamba Bay" pageId="32" pageNumber="617">Near Mahajamba Bay</location>
(
<geoCoordinate box="[514,584,300,322]" degrees="14" direction="south" minutes="50" orientation="latitude" pageId="32" pageNumber="617" precision="925" value="-14.833333">14°50'S</geoCoordinate>
<geoCoordinate box="[588,661,300,322]" degrees="46" direction="east" minutes="57" orientation="longitude" pageId="32" pageNumber="617" precision="925" value="46.95">46°57'E</geoCoordinate>
), - 
<quantity box="[681,785,300,322]" metricMagnitude="2" metricUnit="m" metricValue="3.9299999999999997" metricValueMax="4.46" metricValueMin="3.4" pageId="32" pageNumber="617" unit="m" value="393.0" valueMax="446.0" valueMin="340.0">
<elevation box="[681,785,300,322]" metricMagnitude="2" metricUnit="m" metricValue="3.9299999999999997" metricValueMax="4.46" metricValueMin="3.4" pageId="32" pageNumber="617" unit="m" value="393.0" valueMax="446.0" valueMin="340.0">340–446 m</elevation>
</quantity>
, live, campaign 
<collectorName box="[927,989,300,322]" pageId="32" pageNumber="617">Miriky</collectorName>
, stn CP3248, 
<collectorName box="[144,239,324,345]" pageId="32" pageNumber="617">
RV 
<emphasis box="[179,239,324,345]" italics="true" pageId="32" pageNumber="617">Miriky</emphasis>
</collectorName>
, leg. 
<collectorName box="[289,387,324,346]" pageId="32" pageNumber="617">P. Bouchet</collectorName>
&amp; 
<collectorName box="[414,503,324,345]" pageId="32" pageNumber="617">Y. Kantor</collectorName>
, 
<date box="[513,618,324,346]" pageId="32" pageNumber="617" value="2009-07-07">
<collectingDate box="[513,618,324,346]" pageId="32" pageNumber="617" value="2009-07-07">07.vii.2009</collectingDate>
</date>
.
</materialsCitation>
</paragraph>
<paragraph blockId="32.[144,1104,204,919]" pageId="32" pageNumber="617">
<materialsCitation collectingDate="2009-07-10" collectorName="Miriky &amp; RV Miriky &amp; P. Bouchet &amp; Y. Kantor" country="Madagascar" elevation="529" latitude="-15.533334" location="Between Majunga" longLatPrecision="1284" longitude="45.75" municipality="Cap Saint-Andre" pageId="32" pageNumber="617" specimenCount="1" typeStatus="paratype">
<typeStatus box="[144,227,355,376]" pageId="32" pageNumber="617">Paratype</typeStatus>
: 
<collectingCountry box="[234,399,354,375]" name="Madagascar" pageId="32" pageNumber="617">MADAGASCAR</collectingCountry>
: 
<location LSID="urn:lsid:plazi:treatment:038B87FEFFADFFD738B03F360652FC44:8EFD6033FF92FFD738C93A100048FEAB" box="[406,570,354,376]" country="Madagascar" latitude="-15.533334" longLatPrecision="1284" longitude="45.75" municipality="Cap Saint-Andre" name="Between Majunga" pageId="32" pageNumber="617">Between Majunga</location>
and 
<collectingMunicipality box="[612,764,354,376]" pageId="32" pageNumber="617">Cap Saint-André</collectingMunicipality>
(
<geoCoordinate box="[775,846,354,376]" degrees="15" direction="south" minutes="32" orientation="latitude" pageId="32" pageNumber="617" precision="925" value="-15.533334">15°32'S</geoCoordinate>
<geoCoordinate box="[851,926,354,376]" degrees="45" direction="east" minutes="45" orientation="longitude" pageId="32" pageNumber="617" precision="925" value="45.75">45°45'E</geoCoordinate>
), - 
<quantity box="[947,1055,354,376]" metricMagnitude="2" metricUnit="m" metricValue="5.285" metricValueMax="7.3" metricValueMin="3.27" pageId="32" pageNumber="617" unit="m" value="528.5" valueMax="730.0" valueMin="327.0">
<elevation box="[947,1055,354,376]" metricMagnitude="2" metricUnit="m" metricValue="5.285" metricValueMax="7.3" metricValueMin="3.27" pageId="32" pageNumber="617" unit="m" value="528.5" valueMax="730.0" valueMin="327.0">327–730 m</elevation>
</quantity>
, live, campaign 
<collectorName box="[237,298,378,400]" pageId="32" pageNumber="617">Miriky</collectorName>
, stn CP3265, 
<collectorName box="[427,522,378,399]" pageId="32" pageNumber="617">
RV 
<emphasis box="[462,522,378,399]" italics="true" pageId="32" pageNumber="617">Miriky</emphasis>
</collectorName>
, leg. 
<collectorName box="[572,670,378,400]" pageId="32" pageNumber="617">P. Bouchet</collectorName>
&amp; 
<collectorName box="[698,786,378,399]" pageId="32" pageNumber="617">Y. Kantor</collectorName>
, 
<date box="[796,902,378,400]" pageId="32" pageNumber="617" value="2009-07-10">
<collectingDate box="[796,902,378,400]" pageId="32" pageNumber="617" value="2009-07-10">10.vii.2009</collectingDate>
</date>
</materialsCitation>
.
</paragraph>
<paragraph blockId="32.[144,1104,204,919]" pageId="32" pageNumber="617">
Distribution and habitat: NW 
<collectingCountry box="[500,640,413,439]" name="Madagascar" pageId="32" pageNumber="617">Madagascar</collectingCountry>
, living upper bathyally at - 
<quantity box="[965,1103,413,439]" metricMagnitude="2" metricUnit="m" metricValue="3.335" metricValueMax="3.4" metricValueMin="3.27" pageId="32" pageNumber="617" unit="m" value="333.5" valueMax="340.0" valueMin="327.0">327–340 m</quantity>
(minimum depth range).
</paragraph>
<paragraph blockId="32.[144,1104,204,919]" pageId="32" pageNumber="617">
Remarks: The closest resembling species is 
<taxonomicName authority="Dijkstra, 1991" authorityName="Dijkstra" authorityYear="1991" box="[656,1099,484,510]" class="Bivalvia" family="Propeamussiidae" genus="Parvamussium" kingdom="Animalia" order="Pectinida" pageId="32" pageNumber="617" phylum="Mollusca" rank="species" species="cassium">
<emphasis box="[656,923,484,509]" italics="true" pageId="32" pageNumber="617">Parvamussium cassium</emphasis>
Dijkstra, 1991
</taxonomicName>
, recorded from deep water (- 
<quantity box="[443,576,515,542]" metricMagnitude="2" metricUnit="m" metricValue="5.25" metricValueMax="6.0" metricValueMin="4.5" pageId="32" pageNumber="617" unit="m" value="525.0" valueMax="600.0" valueMin="450.0">450–600 m</quantity>
) off 
<collectingCountry box="[626,738,515,541]" name="Indonesia" pageId="32" pageNumber="617">Indonesia</collectingCountry>
. 
<taxonomicName authorityName="Dijkstra &amp; Maestrati" authorityYear="2015" box="[746,1003,515,541]" class="Bivalvia" family="Propeamussiidae" genus="Cyclopecten" kingdom="Animalia" order="Pectinida" pageId="32" pageNumber="617" phylum="Mollusca" rank="species" species="cassiculus">
<emphasis box="[746,1003,515,541]" italics="true" pageId="32" pageNumber="617">Cyclopecten cassiculus</emphasis>
</taxonomicName>
morphologically differs from 
<taxonomicName authorityName="Dijkstra" authorityYear="1991" box="[384,499,547,572]" class="Bivalvia" family="Propeamussiidae" genus="Parvamussium" kingdom="Animalia" order="Pectinida" pageId="32" pageNumber="617" phylum="Mollusca" rank="species" species="cassium">
<emphasis box="[384,499,547,572]" italics="true" pageId="32" pageNumber="617">P. cassium</emphasis>
</taxonomicName>
bY having prominent radial and fine commarginal lirae (in 
<taxonomicName authorityName="Dijkstra" authorityYear="1991" box="[181,298,579,604]" class="Bivalvia" family="Propeamussiidae" genus="Parvamussium" kingdom="Animalia" order="Pectinida" pageId="32" pageNumber="617" phylum="Mollusca" rank="species" species="cassium">
<emphasis box="[181,298,579,604]" italics="true" pageId="32" pageNumber="617">P. cassium</emphasis>
</taxonomicName>
weaker and more equal of prominence), in having secondary intercostal radial lirae in late ontogeny (
<taxonomicName authorityName="Dijkstra" authorityYear="1991" box="[455,569,610,635]" class="Bivalvia" family="Propeamussiidae" genus="Parvamussium" kingdom="Animalia" order="Pectinida" pageId="32" pageNumber="617" phylum="Mollusca" rank="species" species="cassium">
<emphasis box="[455,569,610,635]" italics="true" pageId="32" pageNumber="617">P. cassium</emphasis>
</taxonomicName>
in earlier growth stage), in having fine interstitial radial lirae, up to 6 near ventral margin (one radial lira in 
<taxonomicName authorityName="Dijkstra" authorityYear="1991" box="[805,924,642,667]" class="Bivalvia" family="Propeamussiidae" genus="Parvamussium" kingdom="Animalia" order="Pectinida" pageId="32" pageNumber="617" phylum="Mollusca" rank="species" species="cassium">
<emphasis box="[805,924,642,667]" italics="true" pageId="32" pageNumber="617">P. cassium</emphasis>
</taxonomicName>
), and in having coarser nodules and lamellae on intersections of lirae (
<taxonomicName authorityName="Dijkstra" authorityYear="1991" box="[752,869,673,698]" class="Bivalvia" family="Propeamussiidae" genus="Parvamussium" kingdom="Animalia" order="Pectinida" pageId="32" pageNumber="617" phylum="Mollusca" rank="species" species="cassium">
<emphasis box="[752,869,673,698]" italics="true" pageId="32" pageNumber="617">P. cassium</emphasis>
</taxonomicName>
very small nodules). Both species are lacking internal ribs, although 
<taxonomicName authorityName="Dijkstra" authorityYear="1991" box="[682,800,705,730]" class="Bivalvia" family="Propeamussiidae" genus="Parvamussium" kingdom="Animalia" order="Pectinida" pageId="32" pageNumber="617" phylum="Mollusca" rank="species" species="cassium">
<emphasis box="[682,800,705,730]" italics="true" pageId="32" pageNumber="617">P. cassium</emphasis>
</taxonomicName>
has a short auricular riblet (very weak in the present species).
</paragraph>
<paragraph blockId="32.[144,1104,204,919]" pageId="32" pageNumber="617">
A somewhat resembling species is 
<taxonomicName authority="(Barnard, 1964)" baseAuthorityName="Barnard" baseAuthorityYear="1964" box="[545,998,767,793]" class="Bivalvia" family="Propeamussiidae" genus="Parvamussium" kingdom="Animalia" order="Pectinida" pageId="32" pageNumber="617" phylum="Mollusca" rank="species" species="vidalense">
<emphasis box="[545,817,767,793]" italics="true" pageId="32" pageNumber="617">Parvamussium vidalense</emphasis>
(
<bibRefCitation author="BARNARD, K. H." box="[830,990,767,793]" pageId="32" pageNumber="617" pagination="361 - 593" refId="ref33078" refString="BARNARD, K. H. 1964. Contributions to the knowledge of South African marine Mollusca. Part 5. Lamellibranchiata. Annals of the South African Museum 47: 361 - 593." type="journal article" year="1964">Barnard, 1964</bibRefCitation>
)
</taxonomicName>
, recorded from eastern 
<collectingCountry box="[287,427,798,824]" name="South Africa" pageId="32" pageNumber="617">South Africa</collectingCountry>
and herein also from southern 
<collectingCountry box="[763,900,798,824]" name="Madagascar" pageId="32" pageNumber="617">Madagascar</collectingCountry>
. This species has a reticular sculpture on the left valve of more closelY spaced, finer radial and commarginal lirae with short spines or curved lamellae on the radial and commarginal intersections. Moreover, several rudimentary interior ribs are present (lacking in 
<taxonomicName authorityName="Dijkstra &amp; Maestrati" authorityYear="2015" box="[892,1040,893,919]" class="Bivalvia" family="Propeamussiidae" genus="Cyclopecten" kingdom="Animalia" order="Pectinida" pageId="32" pageNumber="617" phylum="Mollusca" rank="species" species="cassiculus">
<emphasis box="[892,1040,893,919]" italics="true" pageId="32" pageNumber="617">C. cassiculus</emphasis>
</taxonomicName>
).
</paragraph>
</subSubSection>
</treatment>
</document>