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<document ID-DOI="10.5252/z2012n2a12" ID-GBIF-Dataset="22398780-9a60-4f96-9d93-b23996cddeed" ID-ISSN="1638-9387" ID-Zenodo-Dep="5165513" checkinTime="1628214326917" checkinUser="felipe" docAuthor="Dijkstra, Henk H. &amp; Maestrati, Philippe" docDate="2012" docId="B00A87C2FF97FFF0633AFA10F379FAEE" docLanguage="en" docName="zoosystema.34.2.389-408.pdf" docOrigin="Zoosystema 34 (2)" docSource="http://dx.doi.org/10.5252/z2012n2a12" docStyle="DocumentStyle:EB3C2C73672D2E883259A050BD27978B.4:Zoosystema.2011-2012.journal_article" docStyleId="EB3C2C73672D2E883259A050BD27978B" docStyleName="Zoosystema.2011-2012.journal_article" docStyleVersion="4" docTitle="Cyclochlamydidae Dijkstra &amp; Maestrati 2012, n. fam." docType="treatment" docVersion="9" lastPageNumber="394" masterDocId="4C33FFBAFF93FFF5602EFF92F22BFFE9" masterDocTitle="Pectinoidea (Mollusca, Bivalvia, Propeamussiidae, Cyclochlamydidae n. fam., Entoliidae and Pectinidae) from the Vanuatu Archipelago" masterLastPageNumber="408" masterPageNumber="389" pageNumber="393" updateTime="1683578075245" updateUser="ExternalLinkService" zenodo-license-document="CC0-1.0" zenodo-license-figures="CC0-1.0" zenodo-license-treatments="UNSPECIFIED">
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<mods:titleInfo>
<mods:title>Pectinoidea (Mollusca, Bivalvia, Propeamussiidae, Cyclochlamydidae n. fam., Entoliidae and Pectinidae) from the Vanuatu Archipelago</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Dijkstra, Henk H.</mods:namePart>
<mods:affiliation>Netherlands Centre for Biodiversity (NCB Naturalis), Department of Marine Zoology, P. O. Box 9517, 2300 RA Leiden (The Netherlands) henk. dijkstra @ ncbnaturalis. nl</mods:affiliation>
<mods:nameIdentifier type="email">henk.dijkstra@ncbnaturalis.nl</mods:nameIdentifier>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Maestrati, Philippe</mods:namePart>
<mods:affiliation>Muséum national dHistoire naturelle, Département Systématique et Évolution, UMR 7138, case postale 51, 57 rue Cuvier, F- 75231 Paris cedex 05 (France) maestrat @ mnhn. fr</mods:affiliation>
<mods:nameIdentifier type="email">maestrat@mnhn.fr</mods:nameIdentifier>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>Zoosystema</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2012</mods:date>
<mods:detail type="pubDate">
<mods:number>2012-06-30</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>34</mods:number>
</mods:detail>
<mods:detail type="issue">
<mods:number>2</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>389</mods:start>
<mods:end>408</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:location>
<mods:url>http://dx.doi.org/10.5252/z2012n2a12</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">10.5252/z2012n2a12</mods:identifier>
<mods:identifier type="GBIF-Dataset">22398780-9a60-4f96-9d93-b23996cddeed</mods:identifier>
<mods:identifier type="ISSN">1638-9387</mods:identifier>
<mods:identifier type="Zenodo-Dep">5165513</mods:identifier>
</mods:mods>
<treatment ID-DOI="http://doi.org/10.5281/zenodo.5172349" ID-GBIF-Taxon="202147585" ID-Zenodo-Dep="5172349" LSID="urn:lsid:zoobank.org:act:D6EB55BB-18E1-49D8-A47B-442BF9AF13F7" httpUri="http://treatment.plazi.org/id/B00A87C2FF97FFF0633AFA10F379FAEE" lastPageId="5" lastPageNumber="394" pageId="4" pageNumber="393">
<subSubSection box="[788,1099,1409,1436]" pageId="4" pageNumber="393" type="nomenclature">
<paragraph blockId="4.[788,1099,1409,1436]" box="[788,1099,1409,1436]" pageId="4" pageNumber="393">
<heading box="[788,1099,1409,1436]" centered="true" fontSize="36" level="2" pageId="4" pageNumber="393" reason="6">
<taxonomicName ID-CoL="7NJ6D" authority="Dijkstra &amp; Maestrati, 2012" authorityName="Dijkstra &amp; Maestrati" authorityYear="2012" box="[788,1014,1410,1436]" class="Bivalvia" family="Cyclochlamydidae" kingdom="Animalia" order="Pectinida" pageId="4" pageNumber="393" phylum="Mollusca" rank="family" status="n. fam.">CYCLOCHLAMYDIDAE</taxonomicName>
<taxonomicNameLabel box="[1021,1099,1409,1435]" pageId="4" pageNumber="393" rank="family">n. fam.</taxonomicNameLabel>
</heading>
</paragraph>
</subSubSection>
<subSubSection pageId="4" pageNumber="393" type="type_taxon">
<paragraph blockId="4.[675,1209,1463,1540]" pageId="4" pageNumber="393">
<typeStatus box="[677,725,1464,1487]" pageId="4" pageNumber="393">TYPE</typeStatus>
GENUS. —
<taxonomicName authority="Finlay, 1926: 245" authorityName="Finlay" authorityPageNumber="245" authorityYear="1926" box="[832,1127,1463,1487]" class="Bivalvia" family="Cyclochlamydidae" genus="Cyclochlamys" kingdom="Animalia" order="Pectinida" pageId="4" pageNumber="393" phylum="Mollusca" rank="genus">
<emphasis box="[832,952,1463,1487]" italics="true" pageId="4" pageNumber="393">Cyclochlamys</emphasis>
<bibRefCitation author="FINLAY H. J." box="[957,1127,1463,1487]" pageId="4" pageNumber="393" pagination="320 - 485" refId="ref21938" refString="FINLAY H. J. 1926. - A further commentary on New Zealand molluscan systematics. Transactions and Proceedings of the New Zealand Institute 57: 320 - 485." type="journal article" year="1926">Finlay, 1926: 245</bibRefCitation>
</taxonomicName>
. —
<typeStatus box="[1162,1209,1464,1488]" pageId="4" pageNumber="393">Type</typeStatus>
species (by original designation):
<taxonomicName authorityName="Suter" authorityYear="1913" box="[1004,1162,1491,1514]" class="Bivalvia" family="Pectinidae" genus="Pecten" kingdom="Animalia" order="Pectinida" pageId="4" pageNumber="393" phylum="Mollusca" rank="species" species="transenna">
<emphasis box="[1004,1162,1491,1514]" italics="true" pageId="4" pageNumber="393">Pecten transenna</emphasis>
</taxonomicName>
[
<emphasis box="[1177,1199,1491,1514]" italics="true" pageId="4" pageNumber="393">sic</emphasis>
] Suter, 1913. Recent,
<collectingCountry box="[882,1016,1516,1540]" name="New Zealand" pageId="4" pageNumber="393">New Zealand</collectingCountry>
.
</paragraph>
</subSubSection>
<subSubSection lastPageId="5" lastPageNumber="394" pageId="4" pageNumber="393" type="diagnosis">
<paragraph blockId="4.[675,1212,1569,1700]" lastBlockId="5.[112,647,215,371]" lastPageId="5" lastPageNumber="394" pageId="4" pageNumber="393">
DIAGNOSIS. — Very small
<taxonomicName authorityName="Rafinesque" authorityYear="1815" box="[954,1071,1569,1593]" class="Bivalvia" kingdom="Animalia" order="Pectinida" pageId="4" pageNumber="391" phylum="Mollusca" rank="superFamily" superFamily="Pectinoidea">Pectinoidea</taxonomicName>
(
<emphasis box="[1088,1104,1570,1593]" italics="true" pageId="4" pageNumber="393">c.</emphasis>
1.2 up to
<quantity box="[678,736,1596,1620]" metricMagnitude="-3" metricUnit="m" metricValue="6.0" pageId="4" pageNumber="393" unit="mm" value="6.0">6 mm</quantity>
in height) with a smooth or variously sculptured left valve with a flat, weakly to strongly inflated or even conical and pointed sculptured prodissoconch, sometimes bordered by a strong flange-like commarginal lamella or rim (
<bibRefCitation author="DIJKSTRA H. H. &amp; MARSHALL B. A." box="[258,549,215,239]" pageId="5" pageNumber="394" pagination="1 - 88" refId="ref21837" refString="DIJKSTRA H. H. &amp; 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 &amp; Marshall 2008: 24</bibRefCitation>
, fig. 20D) Right valve with a flattened sculptured prodissoconch, and commonly a smooth, rarely antimarginally sculptured, right valve with a simple outer prismatic layer of longitudinally hexagonal microstructure; internal riblets lacking.
</paragraph>
</subSubSection>
<subSubSection pageId="5" pageNumber="394" type="discussion">
<paragraph blockId="5.[111,648,406,1287]" box="[113,213,406,432]" pageId="5" pageNumber="394">REMARKS</paragraph>
<paragraph blockId="5.[111,648,406,1287]" pageId="5" pageNumber="394">
This newly named family of micro-scallops includes three genera (
<taxonomicName authorityName="Finlay" authorityYear="1926" box="[266,405,469,495]" class="Bivalvia" family="Cyclochlamydidae" genus="Cyclochlamys" kingdom="Animalia" order="Pectinida" pageId="5" pageNumber="394" phylum="Mollusca" rank="genus">
<emphasis box="[266,405,469,495]" italics="true" pageId="5" pageNumber="394">Cyclochlamys</emphasis>
</taxonomicName>
,
<taxonomicName authority="Iredale, 1929" authorityName="Iredale" authorityYear="1929" class="Bivalvia" family="Cyclochlamydidae" genus="Chlamydella" kingdom="Animalia" order="Pectinida" pageId="5" pageNumber="394" phylum="Mollusca" rank="genus">
<emphasis box="[422,555,469,495]" italics="true" pageId="5" pageNumber="394">Chlamydella</emphasis>
<bibRefCitation author="IREDALE T." pageId="5" pageNumber="394" pagination="157 - 189" refId="ref22213" refString="IREDALE T. 1929. - Mollusca from the continental shelf of eastern Australia. No 2. Records of the Australian Museum 17: 157 - 189." type="journal article" year="1929">Iredale, 1929</bibRefCitation>
</taxonomicName>
and
<taxonomicName authority="Dijkstra &amp; Maestrati, 2012" authorityName="Dijkstra &amp; Maestrati" authorityYear="2012" box="[221,343,502,527]" class="Bivalvia" family="Cyclochlamydidae" genus="Micropecten" kingdom="Animalia" order="Pectinida" pageId="5" pageNumber="394" phylum="Mollusca" rank="genus" status="n. gen.">
<emphasis box="[221,343,502,527]" italics="true" pageId="5" pageNumber="394">Micropecten</emphasis>
</taxonomicName>
<taxonomicNameLabel box="[348,421,501,527]" pageId="5" pageNumber="394" rank="genus">n. gen.</taxonomicNameLabel>
) formerly classified in
<taxonomicName authorityName="Abbott" authorityYear="1954" box="[112,280,533,559]" class="Bivalvia" family="Propeamussiidae" kingdom="Animalia" order="Pectinida" pageId="5" pageNumber="394" phylum="Mollusca" rank="family">Propeamussiidae</taxonomicName>
.
<taxonomicName authority="Dijkstra &amp; Maestrati, 2012" authorityName="Dijkstra &amp; Maestrati" authorityYear="2012" box="[287,470,533,559]" class="Bivalvia" family="Cyclochlamydidae" kingdom="Animalia" order="Pectinida" pageId="5" pageNumber="394" phylum="Mollusca" rank="family" status="n.fam.">Cyclochlamydidae</taxonomicName>
<taxonomicNameLabel box="[473,544,533,559]" pageId="5" pageNumber="394" rank="family">n.fam.</taxonomicNameLabel>
comprises
<emphasis box="[111,127,565,590]" italics="true" pageId="5" pageNumber="394">c.</emphasis>
30 Recent species mainly recorded from southern
<collectingCountry box="[112,202,596,622]" name="Australia" pageId="5" pageNumber="394">Australia</collectingCountry>
, eastwards to
<collectingCountry box="[333,469,596,623]" name="New Zealand" pageId="5" pageNumber="394">New Zealand</collectingCountry>
,but also recorded from the West Pacific (southern
<collectingCountry box="[427,484,628,654]" name="Japan" pageId="5" pageNumber="394">Japan</collectingCountry>
and
<collectingCountry box="[531,634,628,655]" name="Indonesia" pageId="5" pageNumber="394">Indonesia</collectingCountry>
), southwestern Indian Ocean (Rodrigues), and the
<collectingCountry box="[115,279,691,717]" name="Falkland Islands" pageId="5" pageNumber="394">Falkland Islands</collectingCountry>
.It is absent in the Arctic, the Atlantic, and the northern and eastern Pacific.
</paragraph>
</subSubSection>
<subSubSection pageId="5" pageNumber="394" type="diagnosis">
<paragraph blockId="5.[111,648,406,1287]" pageId="5" pageNumber="394">
<taxonomicName authority="Dijkstra &amp; Maestrati, 2012" authorityName="Dijkstra &amp; Maestrati" authorityYear="2012" box="[136,335,754,780]" class="Bivalvia" family="Cyclochlamydidae" kingdom="Animalia" order="Pectinida" pageId="5" pageNumber="394" phylum="Mollusca" rank="family" status="n. fam.">Cyclochlamydidae</taxonomicName>
<taxonomicNameLabel box="[342,421,754,781]" pageId="5" pageNumber="394" rank="family">n. fam.</taxonomicNameLabel>
differs from
<taxonomicName authorityName="Abbott" authorityYear="1954" class="Bivalvia" family="Propeamussiidae" kingdom="Animalia" order="Pectinida" pageId="5" pageNumber="394" phylum="Mollusca" rank="family">Propeamussiidae</taxonomicName>
by the following morphological characters: a sculptured prodissoconch in
<taxonomicName authority="Dijkstra &amp; Maestrati, 2012" authorityName="Dijkstra &amp; Maestrati" authorityYear="2012" box="[448,644,818,844]" class="Bivalvia" family="Cyclochlamydidae" kingdom="Animalia" order="Pectinida" pageId="5" pageNumber="394" phylum="Mollusca" rank="family" status="n. fam.">Cyclochlamydidae</taxonomicName>
<taxonomicNameLabel box="[112,189,849,876]" pageId="5" pageNumber="394" rank="family">n. fam.</taxonomicNameLabel>
(uniformly smooth in
<taxonomicName authorityName="Abbott" authorityYear="1954" box="[437,621,849,876]" class="Bivalvia" family="Propeamussiidae" kingdom="Animalia" order="Pectinida" pageId="5" pageNumber="394" phylum="Mollusca" rank="family">Propeamussiidae</taxonomicName>
); a sometimes antimarginally sculptured right valve in
<taxonomicName authority="Dijkstra &amp; Maestrati, 2012" authorityName="Dijkstra &amp; Maestrati" authorityYear="2012" box="[144,351,913,939]" class="Bivalvia" family="Cyclochlamydidae" kingdom="Animalia" order="Pectinida" pageId="5" pageNumber="394" phylum="Mollusca" rank="family" status="n. fam.">Cyclochlamydidae</taxonomicName>
<taxonomicNameLabel box="[360,443,913,939]" pageId="5" pageNumber="394" rank="family">n. fam.</taxonomicNameLabel>
(smooth or weak commarginally sculptured in
<taxonomicName authorityName="Abbott" authorityYear="1954" box="[433,617,944,971]" class="Bivalvia" family="Propeamussiidae" kingdom="Animalia" order="Pectinida" pageId="5" pageNumber="394" phylum="Mollusca" rank="family">Propeamussiidae</taxonomicName>
); a simple outer prismatic layer of longitudinally hexagonal microstructure on the right valve in
<taxonomicName authority="Dijkstra &amp; Maestrati, 2012" authorityName="Dijkstra &amp; Maestrati" authorityYear="2012" class="Bivalvia" family="Cyclochlamydidae" kingdom="Animalia" order="Pectinida" pageId="5" pageNumber="394" phylum="Mollusca" rank="family" status="n. fam.">Cyclochlamydidae</taxonomicName>
<taxonomicNameLabel box="[283,359,1039,1066]" pageId="5" pageNumber="394" rank="family">n. fam.</taxonomicNameLabel>
(an outer layer of columnar calcite in
<taxonomicName authorityName="Abbott" authorityYear="1954" box="[215,400,1071,1098]" class="Bivalvia" family="Propeamussiidae" kingdom="Animalia" order="Pectinida" pageId="5" pageNumber="394" phylum="Mollusca" rank="family">Propeamussiidae</taxonomicName>
).
</paragraph>
</subSubSection>
<subSubSection pageId="5" pageNumber="394" type="description">
<paragraph blockId="5.[111,648,406,1287]" pageId="5" pageNumber="394">
Size: species of
<taxonomicName authority="Dijkstra &amp; Maestrati, 2012" authorityName="Dijkstra &amp; Maestrati" authorityYear="2012" box="[288,479,1103,1129]" class="Bivalvia" family="Cyclochlamydidae" kingdom="Animalia" order="Pectinida" pageId="5" pageNumber="394" phylum="Mollusca" rank="family" status="n. fam.">Cyclochlamydidae</taxonomicName>
<taxonomicNameLabel box="[484,557,1103,1129]" pageId="5" pageNumber="394" rank="family">n. fam.</taxonomicNameLabel>
measure
<quantity box="[111,257,1134,1161]" metricMagnitude="-3" metricUnit="m" metricValue="3.6" metricValueMax="6.0" metricValueMin="1.2" pageId="5" pageNumber="394" unit="mm" value="3.6" valueMax="6.0" valueMin="1.2">1.2 to 6 mm</quantity>
, whereas
<taxonomicName authorityName="Abbott" authorityYear="1954" box="[365,547,1134,1160]" class="Bivalvia" family="Propeamussiidae" kingdom="Animalia" order="Pectinida" pageId="5" pageNumber="394" phylum="Mollusca" rank="family">Propeamussiidae</taxonomicName>
measure typically
<quantity box="[213,356,1166,1193]" metricMagnitude="-2" metricUnit="m" metricValue="6.25" metricValueMax="12.0" metricValueMin="0.5" pageId="5" pageNumber="394" unit="mm" value="62.5" valueMax="120.0" valueMin="5.0">5 to 120 mm</quantity>
in height.
</paragraph>
</subSubSection>
<subSubSection pageId="5" pageNumber="394" type="discussion">
<paragraph blockId="5.[111,648,406,1287]" pageId="5" pageNumber="394">
Results of phylogenetic research attesting the monophyly of
<taxonomicName authority="Dijkstra &amp; Maestrati, 2012" authorityName="Dijkstra &amp; Maestrati" authorityYear="2012" box="[279,478,1229,1255]" class="Bivalvia" family="Cyclochlamydidae" kingdom="Animalia" order="Pectinida" pageId="5" pageNumber="394" phylum="Mollusca" rank="family" status="n. fam.">Cyclochlamydidae</taxonomicName>
<taxonomicNameLabel box="[487,567,1229,1256]" pageId="5" pageNumber="394" rank="family">n. fam.</taxonomicNameLabel>
will be published elsewhere.
</paragraph>
</subSubSection>
</treatment>
</document>