383 lines
35 KiB
XML
383 lines
35 KiB
XML
<document ID-DOI="10.5252/z2017n4a3" ID-ISSN="1638-9387" ID-Zenodo-Dep="4578634" ID-ZooBank="urn:lsid:zoobank.org:pub:CE174614-6609-404A-9909-673B309820D5" approvalRequired="43" approvalRequired_for_taxonomicNames="4" approvalRequired_for_textStreams="37" approvalRequired_for_treatments="2" checkinTime="1614794145975" checkinUser="felipe" docAuthor="Dijkstra, Henk H. & Maestrati, Philippe" docDate="2017" docId="0123F114FFB42651F993FA1DD642F9FF" docLanguage="en" docName="Zoosystema.39.4.473-485.pdf" docOrigin="Zoosystema 39 (4)" docSource="http://dx.doi.org/10.5252/z2017n4a3" docStyle="DocumentStyle:0AF8C315773078909029C6FC3CC05C6C.1:Zoosystema.2015-2017.journal_article" docStyleId="0AF8C315773078909029C6FC3CC05C6C" docStyleName="Zoosystema.2015-2017.journal_article" docStyleVersion="1" docTitle="Propeamussium regillum Dijkstra & Maestrati 2017, n. sp." docType="treatment" docVersion="3" lastPageNumber="476" masterDocId="FD1A896CFFB52652FA54FFAED41DFFD2" masterDocTitle="New species and new records of littoral and bathyal living Pectinoidea (Bivalvia: Propeamussiidae, Cyclochlamydidae, Pectinidae) from the western and southwestern Pacific" masterLastPageNumber="485" masterPageNumber="473" pageNumber="474" updateTime="1665072591432" updateUser="ExternalLinkService" zenodo-license-document="CC0-1.0" zenodo-license-figures="CC0-1.0" zenodo-license-treatments="UNSPECIFIED">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>New species and new records of littoral and bathyal living Pectinoidea (Bivalvia: Propeamussiidae, Cyclochlamydidae, Pectinidae) from the western and southwestern Pacific</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Dijkstra, Henk H.</mods:namePart>
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<mods:affiliation>Naturalis Biodiversity Center, P. O. Box 9517, NL- 2300 RA Leiden (The Netherlands) henk. dijkstra @ naturalis. nl</mods:affiliation>
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<mods:nameIdentifier type="email">dijkstra@naturalis.nl</mods:nameIdentifier>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Maestrati, Philippe</mods:namePart>
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<mods:affiliation>ISYEB, UMR 7205 CNRS, MNHN, UPMC, EPHE, Muséum national d’Histoire naturelle, Sorbonne Universités, case postale 51, 57 rue Cuvier, F- 75231 Paris cedex 05 (France) philippe. maestrati @ mnhn. fr Published on 29 December 2017</mods:affiliation>
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<mods:nameIdentifier type="email">maestrati@mnhn.fr</mods:nameIdentifier>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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||
<mods:title>Zoosystema</mods:title>
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</mods:titleInfo>
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||
<mods:part>
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<mods:date>2017</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2017-12-31</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>39</mods:number>
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</mods:detail>
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<mods:detail type="issue">
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<mods:number>4</mods:number>
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</mods:detail>
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||
<mods:extent unit="page">
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<mods:start>473</mods:start>
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<mods:end>485</mods:end>
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||
</mods:extent>
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||
</mods:part>
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||
</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.5252/z2017n4a3</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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||
<mods:identifier type="DOI">10.5252/z2017n4a3</mods:identifier>
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||
<mods:identifier type="ISSN">1638-9387</mods:identifier>
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||
<mods:identifier type="Zenodo-Dep">4578634</mods:identifier>
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<mods:identifier type="ZooBank">urn:lsid:zoobank.org:pub:CE174614-6609-404A-9909-673B309820D5</mods:identifier>
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</mods:mods>
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<treatment LSID="urn:lsid:plazi:treatment:0123F114FFB42651F993FA1DD642F9FF" httpUri="http://treatment.plazi.org/id/0123F114FFB42651F993FA1DD642F9FF" lastPageId="3" lastPageNumber="476" pageId="1" pageNumber="474">
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<subSubSection box="[967,1302,1458,1485]" pageId="1" pageNumber="474" type="nomenclature">
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<paragraph blockId="1.[967,1302,1458,1485]" box="[967,1302,1458,1485]" pageId="1" pageNumber="474">
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<heading box="[967,1302,1458,1485]" centered="true" fontSize="9" level="2" pageId="1" pageNumber="474" reason="2">
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<taxonomicName authority="Dijkstra & Maestrati, 2017" authorityName="Dijkstra & Maestrati" authorityYear="2017" box="[967,1236,1458,1485]" class="Bivalvia" family="Propeamussiidae" genus="Propeamussium" kingdom="Animalia" order="Pectinoida" pageId="1" pageNumber="474" phylum="Mollusca" rank="species" species="regillum" status="n. sp.">
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||
<emphasis bold="true" box="[967,1236,1458,1485]" italics="true" pageId="1" pageNumber="474">Propeamussium regillum</emphasis>
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||
</taxonomicName>
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||
<taxonomicNameLabel box="[1243,1302,1459,1485]" pageId="1" pageNumber="474" rank="species">n. sp.</taxonomicNameLabel>
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||
</heading>
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||
</paragraph>
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||
</subSubSection>
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||
<subSubSection box="[1070,1198,1491,1517]" pageId="1" pageNumber="474" type="description">
|
||
<paragraph blockId="1.[1070,1198,1491,1517]" box="[1070,1198,1491,1517]" pageId="1" pageNumber="474">
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||
(
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||
<figureCitation box="[1078,1136,1491,1517]" captionStart="FIG" captionStartId="2.[132,143,1565,1583]" captionTargetBox="[132,1455,215,1505]" captionTargetId="figure-142@2.[132,1455,214,1505]" captionTargetPageId="2" captionText="FIG. 1. — A-D, F, G, holotype of Propeamussium regillum n. sp. (MNHN-IM-2013-58330): A, exterior rv; B, interior rv; C, exterior lv; D, interior lv; E, paratype (MNHN-IM-2013-58329), prodissoconch and early ontogeny of lv shell disc; F, exterior detail lv; G, exterior detail rv; H-N, holotype of Parvamussium minusculum n. sp.(MNHN-IM-2013-59427); H, exterior rv; I, interior rv; J, exterior lv; K, interior lv; L, prodissoconch and early ontogeny of lv shell disc; M, exterior detail lv; N, exterior detail rv. Abbreviations: see Material and methods. Scale bars: A-D, 10 mm; E, G, 200 µm; F, H-K, 1 mm; L, 50 µm; M, N, 100 µm." figureDoi="http://doi.org/10.5281/zenodo.4578636" httpUri="https://zenodo.org/record/4578636/files/figure.png" pageId="1" pageNumber="474">Fig. 1</figureCitation>
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A-G)
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</paragraph>
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||
</subSubSection>
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||
<subSubSection pageId="1" pageNumber="474" type="materials_examined">
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||
<paragraph blockId="1.[811,1457,1557,1793]" pageId="1" pageNumber="474">
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||
<materialsCitation collectionCode="MNHN-, RMNH" collectorName="Stn CP" country="Papua New Guinea" elevation="738" latitude="-5.5833335" location="Same" longLatPrecision="1305" longitude="148.21666" pageId="1" pageNumber="474" specimenCount="2" typeStatus="holotype">
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||
TYPE MATERIAL. —
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||
<emphasis bold="true" box="[1031,1247,1557,1582]" pageId="1" pageNumber="474">
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||
<collectingCountry box="[1031,1247,1557,1582]" name="Papua New Guinea" pageId="1" pageNumber="474">Papua New Guinea</collectingCountry>
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||
</emphasis>
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||
. KAVIENG 2014, stn CP4441,
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<geoCoordinate box="[955,1039,1583,1607]" degrees="02" direction="south" minutes="17" orientation="latitude" pageId="1" pageNumber="474" precision="925" value="-2.2833333">02°17’S</geoCoordinate>
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||
,
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||
<geoCoordinate box="[1053,1153,1583,1607]" degrees="150" direction="east" minutes="38" orientation="longitude" pageId="1" pageNumber="474" precision="925" value="150.63333">150°38’E</geoCoordinate>
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,
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<quantity box="[1167,1288,1583,1607]" metricMagnitude="2" metricUnit="m" metricValue="7.375" metricValueMax="7.909999999999999" metricValueMin="6.84" pageId="1" pageNumber="474" unit="m" value="737.5" valueMax="791.0" valueMin="684.0">
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||
<elevation box="[1167,1288,1583,1607]" metricMagnitude="2" metricUnit="m" metricValue="7.375" metricValueMax="7.909999999999999" metricValueMin="6.84" pageId="1" pageNumber="474" unit="m" value="737.5" valueMax="791.0" valueMin="684.0">684-791 m</elevation>
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||
</quantity>
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||
, alive,
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||
<typeStatus box="[1364,1455,1583,1607]" pageId="1" pageNumber="474">holotype</typeStatus>
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||
spm (MNHN-IM-2013-58330). —
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||
<location LSID="urn:lsid:plazi:treatment:0123F114FFB42651F993FA1DD642F9FF:8C5516D9FFB42653FEFFF9E4D0FCF9B0" box="[1195,1249,1610,1634]" country="Papua New Guinea" latitude="-5.5833335" longLatPrecision="1305" longitude="148.21666" name="Same" pageId="1" pageNumber="474">Same</location>
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data,
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||
<typeStatus box="[1316,1403,1610,1634]" pageId="1" pageNumber="474">paratype</typeStatus>
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||
spm (MNHN-IM-2013-58329). — BIOPAPUA 2010, stn DW3680,
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||
<geoCoordinate box="[813,894,1663,1687]" degrees="04" direction="south" minutes="37" orientation="latitude" pageId="1" pageNumber="474" precision="925" value="-4.616667">04°37’S</geoCoordinate>
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||
,
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||
<geoCoordinate box="[907,1004,1663,1687]" degrees="149" direction="east" minutes="27" orientation="longitude" pageId="1" pageNumber="474" precision="925" value="149.45">149°27’E</geoCoordinate>
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||
,
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||
<quantity box="[1017,1136,1662,1686]" metricMagnitude="2" metricUnit="m" metricValue="6.31" metricValueMax="6.47" metricValueMin="6.15" pageId="1" pageNumber="474" unit="m" value="631.0" valueMax="647.0" valueMin="615.0">
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||
<elevation box="[1017,1136,1662,1686]" metricMagnitude="2" metricUnit="m" metricValue="6.31" metricValueMax="6.47" metricValueMin="6.15" pageId="1" pageNumber="474" unit="m" value="631.0" valueMax="647.0" valueMin="615.0">615-647 m</elevation>
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||
</quantity>
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||
, alive,
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||
<typeStatus box="[1209,1295,1663,1687]" pageId="1" pageNumber="474">paratype</typeStatus>
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||
spm (
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||
<collectionCode box="[1363,1456,1663,1686]" pageId="1" pageNumber="474">MNHN-</collectionCode>
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||
IM-2013-57983). — PAPUA NIUGINI 2012, stn CP3981,
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||
<geoCoordinate box="[1376,1451,1689,1713]" degrees="05" direction="south" minutes="11" orientation="latitude" pageId="1" pageNumber="474" precision="925" value="-5.1833334">05°11’S</geoCoordinate>
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||
,
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||
<geoCoordinate box="[811,901,1716,1740]" degrees="147" direction="east" minutes="03" orientation="longitude" pageId="1" pageNumber="474" precision="925" value="147.05">147°03’E</geoCoordinate>
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||
,
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||
<quantity box="[909,972,1715,1739]" metricMagnitude="2" metricUnit="m" metricValue="6.88" pageId="1" pageNumber="474" unit="m" value="688.0">
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||
<elevation box="[909,972,1715,1739]" metricMagnitude="2" metricUnit="m" metricValue="6.88" pageId="1" pageNumber="474" unit="m" value="688.0">688 m</elevation>
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||
</quantity>
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||
, alive,
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||
<typeStatus box="[1031,1111,1716,1740]" pageId="1" pageNumber="474">paratype</typeStatus>
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||
spm (MNHN-IM-2000-33120). —
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||
<collectorName box="[813,880,1742,1766]" pageId="1" pageNumber="474">Stn CP</collectorName>
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||
4014,
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||
<geoCoordinate box="[940,1018,1742,1766]" degrees="05" direction="south" minutes="35" orientation="latitude" pageId="1" pageNumber="474" precision="925" value="-5.5833335">05°35’S</geoCoordinate>
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||
,
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||
<geoCoordinate box="[1026,1118,1742,1766]" degrees="148" direction="east" minutes="13" orientation="longitude" pageId="1" pageNumber="474" precision="925" value="148.21666">148°13’E</geoCoordinate>
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||
,
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||
<quantity box="[1126,1235,1742,1766]" metricMagnitude="2" metricUnit="m" metricValue="7.5" metricValueMax="8.7" metricValueMin="6.3" pageId="1" pageNumber="474" unit="m" value="750.0" valueMax="870.0" valueMin="630.0">
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||
<elevation box="[1126,1235,1742,1766]" metricMagnitude="2" metricUnit="m" metricValue="7.5" metricValueMax="8.7" metricValueMin="6.3" pageId="1" pageNumber="474" unit="m" value="750.0" valueMax="870.0" valueMin="630.0">630-870 m</elevation>
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||
</quantity>
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||
, alive,
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||
<specimenCount box="[1296,1403,1742,1767]" pageId="1" pageNumber="474" type="generic" typeStatus="paratypes">2 paratypes</specimenCount>
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||
spms (MNHN-IM-2000-33119;
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||
<collectionCode box="[1085,1168,1769,1793]" country="Netherlands" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34992" lsid="urn:lsid:biocol.org:col:34992" name="National Museum of Natural History, Naturalis" pageId="1" pageNumber="474" type="Museum">RMNH</collectionCode>
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||
.MOL.290821)
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||
</materialsCitation>
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||
.
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||
</paragraph>
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||
<paragraph blockId="1.[813,1455,1820,1870]" pageId="1" pageNumber="474">
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||
<typeStatus box="[813,863,1820,1843]" pageId="1" pageNumber="474">TYPE</typeStatus>
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||
LOCALITY. —
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||
<collectingCountry box="[1014,1216,1820,1844]" name="Papua New Guinea" pageId="1" pageNumber="474">Papua New Guinea</collectingCountry>
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||
,
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||
<collectingRegion box="[1228,1357,1820,1844]" country="Papua New Guinea" name="New Ireland" pageId="1" pageNumber="474">New Ireland</collectingRegion>
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||
,
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||
<geoCoordinate box="[1370,1451,1820,1844]" degrees="02" direction="south" minutes="17" orientation="latitude" pageId="1" pageNumber="474" precision="925" value="-2.2833333">02°17’S</geoCoordinate>
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||
,
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||
<geoCoordinate box="[814,909,1846,1870]" degrees="150" direction="east" minutes="38" orientation="longitude" pageId="1" pageNumber="474" precision="925" value="150.63333">150°38’E</geoCoordinate>
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||
,
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||
<quantity box="[919,1029,1846,1870]" metricMagnitude="2" metricUnit="m" metricValue="7.375" metricValueMax="7.909999999999999" metricValueMin="6.84" pageId="1" pageNumber="474" unit="m" value="737.5" valueMax="791.0" valueMin="684.0">684-791 m</quantity>
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(KAVIENG 2014, stn CP441).
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||
</paragraph>
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||
</subSubSection>
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||
<subSubSection pageId="1" pageNumber="474" type="distribution">
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||
<paragraph blockId="1.[813,1455,1898,1948]" pageId="1" pageNumber="474">
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||
DISTRIBUTION. — Bismarck Sea, live in
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||
<quantity box="[1223,1337,1898,1922]" metricMagnitude="2" metricUnit="m" metricValue="7.425" metricValueMax="8.7" metricValueMin="6.15" pageId="1" pageNumber="474" unit="m" value="742.5" valueMax="870.0" valueMin="615.0">615-870 m</quantity>
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||
(maximum depth range),
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||
<quantity box="[951,1062,1924,1948]" metricMagnitude="2" metricUnit="m" metricValue="6.675" metricValueMax="6.88" metricValueMin="6.47" pageId="1" pageNumber="474" unit="m" value="667.5" valueMax="688.0" valueMin="647.0">647-688 m</quantity>
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||
(minimum depth range).
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||
</paragraph>
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||
</subSubSection>
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||
<subSubSection pageId="1" pageNumber="474" type="etymology">
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||
<paragraph blockId="1.[813,1455,1976,2026]" pageId="1" pageNumber="474">
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||
ETYMOLOGY. — Left valve with lamellose radials (Latin
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<emphasis box="[1382,1449,1976,2000]" italics="true" pageId="1" pageNumber="474">regillus</emphasis>
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, adjective meaning vertical rows of warp-threads).
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</paragraph>
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||
</subSubSection>
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||
<caption ID-DOI="http://doi.org/10.5281/zenodo.4578636" ID-Zenodo-Dep="4578636" httpUri="https://zenodo.org/record/4578636/files/figure.png" pageId="2" pageNumber="475" startId="2.[132,143,1565,1583]" targetBox="[132,1455,215,1505]" targetPageId="2">
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||
<paragraph blockId="2.[132,1456,1564,1651]" pageId="2" pageNumber="475">
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FIG. 1. —
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<emphasis bold="true" box="[214,248,1565,1583]" pageId="2" pageNumber="475">A -D</emphasis>
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,
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||
<emphasis bold="true" box="[260,271,1565,1583]" pageId="2" pageNumber="475">F</emphasis>
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,
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<emphasis bold="true" box="[282,296,1564,1582]" pageId="2" pageNumber="475">G</emphasis>
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, holotype of
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<taxonomicName authority="Dijkstra & Maestrati, 2017" authorityName="Dijkstra & Maestrati" authorityYear="2017" box="[409,614,1565,1583]" class="Bivalvia" family="Propeamussiidae" genus="Propeamussium" kingdom="Animalia" order="Pectinoida" pageId="2" pageNumber="475" phylum="Mollusca" rank="species" species="regillum" status="n. sp.">
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<emphasis box="[409,614,1565,1583]" italics="true" pageId="2" pageNumber="475">Propeamussium regillum</emphasis>
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</taxonomicName>
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<taxonomicNameLabel box="[621,670,1565,1583]" pageId="2" pageNumber="475" rank="species">n. sp.</taxonomicNameLabel>
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||
(MNHN-IM-2013-58330):
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<emphasis bold="true" box="[889,902,1565,1583]" pageId="2" pageNumber="475">A</emphasis>
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||
, exterior rv;
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||
<emphasis bold="true" box="[1009,1022,1565,1583]" pageId="2" pageNumber="475">B</emphasis>
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, interior rv;
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<emphasis bold="true" box="[1124,1138,1564,1582]" pageId="2" pageNumber="475">C</emphasis>
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, exterior lv;
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<emphasis bold="true" box="[1244,1258,1565,1583]" pageId="2" pageNumber="475">D</emphasis>
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, interior lv;
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<emphasis bold="true" box="[1358,1370,1565,1583]" pageId="2" pageNumber="475">E</emphasis>
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, paratype (MNHN-IM-2013-58329), prodissoconch and early ontogeny of lv shell disc;
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||
<emphasis bold="true" box="[770,781,1587,1605]" pageId="2" pageNumber="475">F</emphasis>
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, exterior detail lv;
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||
<emphasis bold="true" box="[935,949,1587,1605]" pageId="2" pageNumber="475">G</emphasis>
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, exterior detail rv;
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<emphasis bold="true" box="[1106,1141,1587,1605]" pageId="2" pageNumber="475">H -N</emphasis>
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||
, holotype of
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<taxonomicName authority="Dijkstra & Maestrati, 2017" authorityName="Dijkstra & Maestrati" authorityYear="2017" class="Bivalvia" family="Propeamussiidae" genus="Parvamussium" kingdom="Animalia" order="Pectinoida" pageId="2" pageNumber="475" phylum="Mollusca" rank="species" species="minusculum" status="n. sp.">
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<emphasis italics="true" pageId="2" pageNumber="475">Parvamussium minusculum</emphasis>
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</taxonomicName>
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<taxonomicNameLabel box="[167,214,1610,1628]" pageId="2" pageNumber="475" rank="species">n. sp.</taxonomicNameLabel>
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(MNHN-IM-2013-59427);
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<emphasis bold="true" box="[428,442,1610,1628]" pageId="2" pageNumber="475">H</emphasis>
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, exterior rv;
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||
<emphasis bold="true" box="[543,549,1610,1628]" pageId="2" pageNumber="475">I</emphasis>
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, interior rv;
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<emphasis bold="true" box="[644,654,1610,1628]" pageId="2" pageNumber="475">J</emphasis>
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, exterior lv;
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<emphasis bold="true" box="[753,766,1610,1628]" pageId="2" pageNumber="475">K</emphasis>
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, interior lv;
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||
<emphasis bold="true" box="[861,872,1610,1628]" pageId="2" pageNumber="475">L</emphasis>
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, prodissoconch and early ontogeny of lv shell disc;
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<emphasis bold="true" box="[1294,1311,1610,1628]" pageId="2" pageNumber="475">M</emphasis>
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, exterior detail lv;
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<emphasis bold="true" box="[132,146,1633,1651]" pageId="2" pageNumber="475">N</emphasis>
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, exterior detail rv. Abbreviations: see Material and methods. Scale bars: A-D, 10 mm; E, G, 200 µm; F, H-K, 1 mm; L, 50 µm; M, N, 100 µm.
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</paragraph>
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</caption>
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<subSubSection lastPageId="3" lastPageNumber="476" pageId="2" pageNumber="475" type="description">
|
||
<paragraph blockId="2.[130,776,1746,1932]" box="[132,277,1746,1772]" pageId="2" pageNumber="475">DESCRIPTION</paragraph>
|
||
<paragraph blockId="2.[130,776,1746,1932]" box="[132,182,1778,1804]" pageId="2" pageNumber="475">
|
||
<emphasis box="[132,182,1778,1804]" italics="true" pageId="2" pageNumber="475">Shell</emphasis>
|
||
</paragraph>
|
||
<paragraph blockId="2.[130,776,1746,1932]" pageId="2" pageNumber="475">
|
||
Up to
|
||
<quantity box="[201,299,1810,1836]" metricMagnitude="-2" metricUnit="m" metricValue="3.11" pageId="2" pageNumber="475" unit="mm" value="31.1">31.1 mm</quantity>
|
||
high, fragile and transparent, almost circular, equilateral, inequivalve, slightly convex, left valve somewhat larger than right valve, auricles of left valve equal in shape and size, of right valve slightly unequal in shape, umbonal angle 100-110°.
|
||
</paragraph>
|
||
<paragraph blockId="2.[132,632,1969,2028]" box="[132,272,1969,1995]" pageId="2" pageNumber="475">
|
||
<emphasis box="[132,272,1969,1995]" italics="true" pageId="2" pageNumber="475">Prodissoconch</emphasis>
|
||
</paragraph>
|
||
<paragraph blockId="2.[132,632,1969,2028]" box="[132,913,1746,2028]" lastBlockId="2.[813,1455,1746,1932]" pageId="2" pageNumber="475">
|
||
<quantity box="[132,217,2001,2028]" metricMagnitude="-1" metricUnit="m" metricValue="2.4" pageId="2" pageNumber="475" unit="mm" value="240.0">240 µm</quantity>
|
||
long, larval shell inflated and smooth.
|
||
<emphasis box="[813,913,1746,1772]" italics="true" pageId="2" pageNumber="475">Left valve</emphasis>
|
||
</paragraph>
|
||
<paragraph blockId="2.[813,1455,1746,1932]" pageId="2" pageNumber="475">
|
||
Smooth in early ontogeny to
|
||
<emphasis box="[1128,1145,1779,1804]" italics="true" pageId="2" pageNumber="475">c.</emphasis>
|
||
<quantity box="[1152,1231,1778,1804]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="2" pageNumber="475" unit="mm" value="10.0">10 mm</quantity>
|
||
below umbonal top, irregularly spaced radial ribbing commencing after that (
|
||
<emphasis box="[1397,1414,1810,1835]" italics="true" pageId="2" pageNumber="475">c.</emphasis>
|
||
10- 15 ribs), increasing by intermediate ribs in later growth stage to the periphery (
|
||
<emphasis box="[1004,1021,1874,1899]" italics="true" pageId="2" pageNumber="475">c.</emphasis>
|
||
50 ribs). Ribs with prominent lamellae; weak intercostal commarginal ridges on adults.
|
||
</paragraph>
|
||
<paragraph blockId="2.[813,1265,1969,2028]" box="[813,894,1969,1995]" pageId="2" pageNumber="475">
|
||
<emphasis box="[813,894,1969,1995]" italics="true" pageId="2" pageNumber="475">Auricles</emphasis>
|
||
</paragraph>
|
||
<paragraph blockId="2.[813,1265,1969,2028]" lastBlockId="3.[130,777,215,464]" lastPageId="3" lastPageNumber="476" pageId="2" pageNumber="475">
|
||
With 3-4 delicate squamous radial riblets.
|
||
<emphasis box="[132,248,215,241]" italics="true" pageId="3" pageNumber="476">Right valve</emphasis>
|
||
</paragraph>
|
||
<paragraph blockId="3.[130,777,215,464]" pageId="3" pageNumber="476">
|
||
Sculptured with fine, regularly spaced, close-set commarginal lamellae (5 per mm). Internal ribs 8 (2 central ribs weak or lacking), and 1-4 intercostal rudimentary riblets marginally. Marginal apron broad (
|
||
<emphasis box="[395,412,344,369]" italics="true" pageId="3" pageNumber="476">c.</emphasis>
|
||
<quantity box="[421,513,343,369]" metricMagnitude="-3" metricUnit="m" metricValue="7.0" metricValueMax="8.0" metricValueMin="6.0" pageId="3" pageNumber="476" unit="mm" value="7.0" valueMax="8.0" valueMin="6.0">6-8 mm</quantity>
|
||
) and partly broken off. Hinge line straight. Resilifer triangular. No byssal fasciole or byssal notch, ctenolium lacking. Colour of left valve creamy, right valve whitish.
|
||
</paragraph>
|
||
<paragraph blockId="3.[132,525,502,561]" box="[132,361,502,528]" pageId="3" pageNumber="476">
|
||
<emphasis box="[132,361,502,528]" italics="true" pageId="3" pageNumber="476">
|
||
Dimension of
|
||
<typeStatus box="[278,361,502,528]" pageId="3" pageNumber="476">holotype</typeStatus>
|
||
</emphasis>
|
||
</paragraph>
|
||
<paragraph blockId="3.[132,525,502,561]" box="[132,525,534,561]" pageId="3" pageNumber="476">
|
||
H
|
||
<quantity box="[162,265,534,561]" metricMagnitude="-2" metricUnit="m" metricValue="3.11" pageId="3" pageNumber="476" unit="mm" value="31.1">31.1 mm</quantity>
|
||
, W
|
||
<quantity box="[309,391,534,561]" metricMagnitude="-2" metricUnit="m" metricValue="3.0" pageId="3" pageNumber="476" unit="mm" value="30.0">30 mm</quantity>
|
||
, D
|
||
<quantity box="[431,521,534,561]" metricMagnitude="-3" metricUnit="m" metricValue="4.9" pageId="3" pageNumber="476" unit="mm" value="4.9">4.9 mm</quantity>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="3" pageNumber="476" type="discussion">
|
||
<paragraph blockId="3.[130,775,598,1581]" box="[132,232,598,624]" pageId="3" pageNumber="476">REMARKS</paragraph>
|
||
<paragraph blockId="3.[130,775,598,1581]" pageId="3" pageNumber="476">
|
||
The present species is morphologically closest to the superficially similar (shape, colour) congener
|
||
<taxonomicName authority="(E. A. Smith, 1906)" baseAuthorityName="E. A. Smith" baseAuthorityYear="1906" class="Bivalvia" family="Propeamussiidae" genus="Propeamussium" kingdom="Animalia" order="Pectinoida" pageId="3" pageNumber="476" phylum="Mollusca" rank="species" species="investigatoris">
|
||
<emphasis box="[474,773,662,687]" italics="true" pageId="3" pageNumber="476">Propeamussium investigatoris</emphasis>
|
||
(E. A. Smith, 1906)
|
||
</taxonomicName>
|
||
, known from the bathyal northern Indian Ocean and south-western Pacific (
|
||
<bibRefCitation author="DIJKSTRA H. H. & KASTORO W. W." pageId="3" pageNumber="476" pagination="245 - 285" refId="ref10674" refString="DIJKSTRA H. H. & KASTORO W. W. 1997. - Mollusca Bivalvia: Pectinoidea (Propeamussiidae and Pectinidae) from eastern Indonesia, in CROSNIER A. & BOUCHET P. (eds), Resultats des Campagnes Musorstom, volume 16: 245 - 285 (Memoires du Museum national d'Histoire naturelle 172)." type="journal article" year="1997">Dijkstra & Kastoro 1997: 248</bibRefCitation>
|
||
, figs 11-15;
|
||
<bibRefCitation author="DIJKSTRA H. H. & MAESTRATI P." box="[310,644,757,784]" pageId="3" pageNumber="476" pagination="77 - 113" refId="ref10734" refString="DIJKSTRA H. H. & 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. & BOUCHET P. (eds), Tropical Deep-Sea Benthos volume 25. Museum national d'Histoire naturelle, Paris, 806 p. (Memoires du Museum national d'Histoire naturelle; 196): 77 - 113." type="book chapter" year="2008">Dijkstra & Maestrati 2008: 82</bibRefCitation>
|
||
,
|
||
<bibRefCitation author="DIJKSTRA H. H. & MAESTRATI P." box="[656,770,757,783]" pageId="3" pageNumber="476" pagination="389 - 408" refId="ref10915" refString="DIJKSTRA H. H. & MAESTRATI P. 2012. - Pectinoidea (Mollusca, Bivalvia, Propeamussiidae, Cyclochlamydidae n. fam., Entoliidae and Pectinidae) from the Vanuatu Archipelago. Zoosystema 34 (2): 389 - 408. https: // doi. org / 10.5252 / z 2012 n 2 a 12" type="journal article" year="2012">2012: 391</bibRefCitation>
|
||
;
|
||
<bibRefCitation author="DIJKSTRA H. H. & MARSHALL B. A." box="[132,444,789,816]" pageId="3" pageNumber="476" pagination="1 - 88" refId="ref11032" refString="DIJKSTRA H. H. & MARSHALL B. A. 2008. - The Recent Pectinoidea of the New Zealand region (Mollusca: Bivalvia: Propeamussiidae, Pectinidae and Spondylidae). Molluscan Research 28: 1 - 88." type="journal article" year="2008">Dijkstra & Marshall 2008: 2</bibRefCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph blockId="3.[130,775,598,1581]" pageId="3" pageNumber="476">
|
||
Both species differ in size (
|
||
<taxonomicName authority="Dijkstra & Maestrati, 2017" authorityName="Dijkstra & Maestrati" authorityYear="2017" box="[442,552,821,847]" class="Bivalvia" family="Propeamussiidae" genus="Propeamussium" kingdom="Animalia" order="Pectinoida" pageId="3" pageNumber="476" phylum="Mollusca" rank="species" species="regillum" status="n. sp.">
|
||
<emphasis box="[442,552,821,847]" italics="true" pageId="3" pageNumber="476">P. regillum</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel box="[559,618,822,848]" pageId="3" pageNumber="476" rank="species">n. sp.</taxonomicNameLabel>
|
||
up to
|
||
<quantity box="[689,771,821,848]" metricMagnitude="-2" metricUnit="m" metricValue="3.1" pageId="3" pageNumber="476" unit="mm" value="31.0">31 mm</quantity>
|
||
,
|
||
<taxonomicName baseAuthorityName="E. A. Smith" baseAuthorityYear="1906" box="[132,289,854,879]" class="Bivalvia" family="Propeamussiidae" genus="Propeamussium" kingdom="Animalia" order="Pectinoida" pageId="3" pageNumber="476" phylum="Mollusca" rank="species" species="investigatoris">
|
||
<emphasis box="[132,289,854,879]" italics="true" pageId="3" pageNumber="476">P. investigatoris</emphasis>
|
||
</taxonomicName>
|
||
up to
|
||
<quantity box="[357,435,853,880]" metricMagnitude="-2" metricUnit="m" metricValue="2.6" pageId="3" pageNumber="476" unit="mm" value="26.0">26 mm</quantity>
|
||
but most specimens smaller, up to
|
||
<quantity box="[161,240,885,911]" metricMagnitude="-2" metricUnit="m" metricValue="2.0" pageId="3" pageNumber="476" unit="mm" value="20.0">20 mm</quantity>
|
||
in height).
|
||
</paragraph>
|
||
<paragraph blockId="3.[130,775,598,1581]" pageId="3" pageNumber="476">
|
||
The sculpture of the left valve of both species is also different, viz. the early growth stage of
|
||
<taxonomicName authority="Dijkstra & Maestrati, 2017" authorityName="Dijkstra & Maestrati" authorityYear="2017" box="[487,595,949,975]" class="Bivalvia" family="Propeamussiidae" genus="Propeamussium" kingdom="Animalia" order="Pectinoida" pageId="3" pageNumber="476" phylum="Mollusca" rank="species" species="regillum" status="n. sp.">
|
||
<emphasis box="[487,595,949,975]" italics="true" pageId="3" pageNumber="476">P. regillum</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel box="[601,659,949,975]" pageId="3" pageNumber="476" rank="species">n. sp.</taxonomicNameLabel>
|
||
is smooth,
|
||
<taxonomicName baseAuthorityName="E. A. Smith" baseAuthorityYear="1906" box="[132,290,981,1006]" class="Bivalvia" family="Propeamussiidae" genus="Propeamussium" kingdom="Animalia" order="Pectinoida" pageId="3" pageNumber="476" phylum="Mollusca" rank="species" species="investigatoris">
|
||
<emphasis box="[132,290,981,1006]" italics="true" pageId="3" pageNumber="476">P. investigatoris</emphasis>
|
||
</taxonomicName>
|
||
has a fine commarginal sculpture.
|
||
</paragraph>
|
||
<paragraph blockId="3.[130,775,598,1581]" pageId="3" pageNumber="476">
|
||
<taxonomicName authority="Dijkstra & Maestrati, 2017" authorityName="Dijkstra & Maestrati" authorityYear="2017" box="[155,266,1012,1038]" class="Bivalvia" family="Propeamussiidae" genus="Propeamussium" kingdom="Animalia" order="Pectinoida" pageId="3" pageNumber="476" phylum="Mollusca" rank="species" species="regillum" status="n. sp.">
|
||
<emphasis box="[155,266,1012,1038]" italics="true" pageId="3" pageNumber="476">P. regillum</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel box="[274,334,1013,1039]" pageId="3" pageNumber="476" rank="species">n. sp.</taxonomicNameLabel>
|
||
has finer and narrower radial ribs (
|
||
<emphasis box="[722,739,1013,1038]" italics="true" pageId="3" pageNumber="476">c.</emphasis>
|
||
<quantity metricMagnitude="-1" metricUnit="m" metricValue="7.62" pageId="3" pageNumber="476" unit="in" value="30.0">30 in</quantity>
|
||
adult growth stage) with prominent lamellae commencing
|
||
<quantity box="[131,211,1076,1103]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="3" pageNumber="476" unit="mm" value="10.0">10 mm</quantity>
|
||
below umbonal top, and
|
||
<taxonomicName baseAuthorityName="E. A. Smith" baseAuthorityYear="1906" box="[500,660,1077,1102]" class="Bivalvia" family="Propeamussiidae" genus="Propeamussium" kingdom="Animalia" order="Pectinoida" pageId="3" pageNumber="476" phylum="Mollusca" rank="species" species="investigatoris">
|
||
<emphasis box="[500,660,1077,1102]" italics="true" pageId="3" pageNumber="476">P. investigatoris</emphasis>
|
||
</taxonomicName>
|
||
has many more small radial ribs (
|
||
<emphasis box="[381,398,1109,1134]" italics="true" pageId="3" pageNumber="476">c.</emphasis>
|
||
<quantity box="[403,459,1108,1135]" metricMagnitude="0" metricUnit="m" metricValue="1.27" pageId="3" pageNumber="476" unit="in" value="50.0">50 in</quantity>
|
||
adult growth stage) with fine lamellae (
|
||
<bibRefCitation author="DIJKSTRA H. H. & KASTORO W. W." box="[240,524,1140,1167]" pageId="3" pageNumber="476" pagination="245 - 285" refId="ref10674" refString="DIJKSTRA H. H. & KASTORO W. W. 1997. - Mollusca Bivalvia: Pectinoidea (Propeamussiidae and Pectinidae) from eastern Indonesia, in CROSNIER A. & BOUCHET P. (eds), Resultats des Campagnes Musorstom, volume 16: 245 - 285 (Memoires du Museum national d'Histoire naturelle 172)." type="journal article" year="1997">Dijkstra & Kastoro 1997</bibRefCitation>
|
||
: fig. 15) commencing
|
||
<quantity box="[134,222,1172,1198]" metricMagnitude="-3" metricUnit="m" metricValue="1.5" metricValueMax="2.0" metricValueMin="1.0" pageId="3" pageNumber="476" unit="mm" value="1.5" valueMax="2.0" valueMin="1.0">1-2 mm</quantity>
|
||
below the umbonal top.
|
||
</paragraph>
|
||
<paragraph blockId="3.[130,775,598,1581]" pageId="3" pageNumber="476">
|
||
The internal ribbing of
|
||
<taxonomicName authority="Dijkstra & Maestrati, 2017" authorityName="Dijkstra & Maestrati" authorityYear="2017" box="[409,519,1204,1230]" class="Bivalvia" family="Propeamussiidae" genus="Propeamussium" kingdom="Animalia" order="Pectinoida" pageId="3" pageNumber="476" phylum="Mollusca" rank="species" species="regillum" status="n. sp.">
|
||
<emphasis box="[409,519,1204,1230]" italics="true" pageId="3" pageNumber="476">P. regillum</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel box="[526,585,1204,1230]" pageId="3" pageNumber="476" rank="species">n. sp.</taxonomicNameLabel>
|
||
are more delicate with a broad marginal apron of the right valve (
|
||
<emphasis box="[660,677,1236,1261]" italics="true" pageId="3" pageNumber="476">c.</emphasis>
|
||
<quantity box="[685,775,1236,1262]" metricMagnitude="-3" metricUnit="m" metricValue="7.0" metricValueMax="8.0" metricValueMin="6.0" pageId="3" pageNumber="476" unit="mm" value="7.0" valueMax="8.0" valueMin="6.0">6-8 mm</quantity>
|
||
wide), that of
|
||
<taxonomicName baseAuthorityName="E. A. Smith" baseAuthorityYear="1906" box="[283,439,1268,1293]" class="Bivalvia" family="Propeamussiidae" genus="Propeamussium" kingdom="Animalia" order="Pectinoida" pageId="3" pageNumber="476" phylum="Mollusca" rank="species" species="investigatoris">
|
||
<emphasis box="[283,439,1268,1293]" italics="true" pageId="3" pageNumber="476">P. investigatoris</emphasis>
|
||
</taxonomicName>
|
||
are more solid and the apron is narrower (
|
||
<emphasis box="[245,262,1300,1325]" italics="true" pageId="3" pageNumber="476">c.</emphasis>
|
||
<quantity box="[268,356,1300,1326]" metricMagnitude="-3" metricUnit="m" metricValue="2.5" metricValueMax="3.0" metricValueMin="2.0" pageId="3" pageNumber="476" unit="mm" value="2.5" valueMax="3.0" valueMin="2.0">2-3 mm</quantity>
|
||
wide).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="3" pageNumber="476" type="reference_group">
|
||
<paragraph blockId="3.[130,775,598,1581]" pageId="3" pageNumber="476">
|
||
<taxonomicName authority="(E. A. Smith, 1885)" baseAuthorityName="E. A. Smith" baseAuthorityYear="1885" box="[155,629,1331,1358]" class="Bivalvia" family="Propeamussiidae" genus="Propeamussium" kingdom="Animalia" order="Pectinoida" pageId="3" pageNumber="476" phylum="Mollusca" rank="species" species="jeffreysii">
|
||
<emphasis box="[155,406,1331,1357]" italics="true" pageId="3" pageNumber="476">Propeamussium jeffreysii</emphasis>
|
||
(E. A.
|
||
<bibRefCitation author="SMITH E. A." box="[483,621,1331,1358]" pageId="3" pageNumber="476" pagination="1 - 341" refId="ref11523" refString="SMITH E. A. 1885. - Report on the Lamellibranchiata collected by H. M. S. " Challenger " during the years 1873 - 1876. Challenger Reports, Zoology 13 (35): 1 - 341." type="journal article" year="1885">Smith, 1885</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
, known from the bathyal western Indian Ocean and western Pacific, is also similar in shape and colour, but differs from the present species by having an almost smooth shell disc of the left valve with delicate commarginal and radial sculpture in early ontogeny (smooth in
|
||
<taxonomicName authority="Dijkstra & Maestrati, 2017" authorityName="Dijkstra & Maestrati" authorityYear="2017" box="[253,359,1491,1517]" class="Bivalvia" family="Propeamussiidae" genus="Propeamussium" kingdom="Animalia" order="Pectinoida" pageId="3" pageNumber="476" phylum="Mollusca" rank="species" species="regillum" status="n. sp.">
|
||
<emphasis box="[253,359,1491,1517]" italics="true" pageId="3" pageNumber="476">P. regillum</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel box="[364,420,1491,1517]" pageId="3" pageNumber="476" rank="species">n. sp.</taxonomicNameLabel>
|
||
) and commarginal lamellae in the later growth stage (
|
||
<taxonomicName authority="Dijkstra & Maestrati, 2017" authorityName="Dijkstra & Maestrati" authorityYear="2017" box="[339,450,1523,1549]" class="Bivalvia" family="Propeamussiidae" genus="Propeamussium" kingdom="Animalia" order="Pectinoida" pageId="3" pageNumber="476" phylum="Mollusca" rank="species" species="regillum" status="n. sp.">
|
||
<emphasis box="[339,450,1523,1549]" italics="true" pageId="3" pageNumber="476">P. regillum</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel box="[458,518,1523,1549]" pageId="3" pageNumber="476" rank="species">n. sp.</taxonomicNameLabel>
|
||
with coarse, irregularly spaced radial ribs with prominent lamellae).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |