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<document ID-DOI="10.5252/z2010n2a6" ID-GBIF-Dataset="e5f0fd86-cd64-4bc7-a687-728b198598cb" ID-ISSN="1638-9387" ID-Zenodo-Dep="4521132" checkinTime="1612809588453" checkinUser="felipe" docAuthor="Dijkstra, Henk H. &amp; Maestrati, Philippe" docDate="2010" docId="D75887E7FFD6074E175FFC55F856FA98" docLanguage="en" docName="Zoosystema.32.2.333-358.pdf" docOrigin="Zoosystema 32 (2)" docSource="http://www.bioone.org/doi/abs/10.5252/z2010n2a6" docStyle="DocumentStyle:E638A3C99FA728B529662B46F84D75FD.1:Zoosystema.2009-2010.journal_article" docStyleId="E638A3C99FA728B529662B46F84D75FD" docStyleName="Zoosystema.2009-2010.journal_article" docStyleVersion="1" docTitle="Lamellipecten Dijkstra &amp; Maestrati 2010, n. gen." docType="treatment" docVersion="6" lastPageNumber="345" masterDocId="2B61FF9FFFDD07421446FF85FA42FFB0" masterDocTitle="Pectinoidea (Mollusca, Bivalvia, Propeamussiidae, Entoliidae and Pectinidae) from the Austral Islands (French Polynesia)" masterLastPageNumber="358" masterPageNumber="333" pageNumber="344" updateTime="1683578100964" 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, Entoliidae and Pectinidae) from the Austral Islands (French Polynesia)</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>Zoological Museum, University of Amsterdam, Mauritskade 61, NL- 1092 AD Amsterdam (The Netherlands) h. h. dijkstra @ uva. nl</mods:affiliation>
<mods:nameIdentifier type="email">dijkstra@uva.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 Exploration de la Biodiversité 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>
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<mods:titleInfo>
<mods:title>Zoosystema</mods:title>
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<mods:part>
<mods:date>2010</mods:date>
<mods:detail type="pubDate">
<mods:number>2010-06-30</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>32</mods:number>
</mods:detail>
<mods:detail type="issue">
<mods:number>2</mods:number>
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<mods:extent unit="page">
<mods:start>333</mods:start>
<mods:end>358</mods:end>
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<mods:location>
<mods:url>http://www.bioone.org/doi/abs/10.5252/z2010n2a6</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">10.5252/z2010n2a6</mods:identifier>
<mods:identifier type="GBIF-Dataset">e5f0fd86-cd64-4bc7-a687-728b198598cb</mods:identifier>
<mods:identifier type="ISSN">1638-9387</mods:identifier>
<mods:identifier type="Zenodo-Dep">4521132</mods:identifier>
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<treatment ID-DOI="http://doi.org/10.5281/zenodo.4521108" ID-GBIF-Taxon="177429130" ID-Zenodo-Dep="4521108" LSID="urn:lsid:zoobank.org:act:527CC314-C1A6-4DB1-ADEA-2B069D8C1685" httpUri="http://treatment.plazi.org/id/D75887E7FFD6074E175FFC55F856FA98" lastPageId="12" lastPageNumber="345" pageId="11" pageNumber="344">
<subSubSection box="[793,1094,976,1003]" pageId="11" pageNumber="344" type="nomenclature">
<paragraph blockId="11.[793,1094,976,1003]" box="[793,1094,976,1003]" pageId="11" pageNumber="344">
<heading box="[793,1094,976,1003]" centered="true" fontSize="11" level="2" pageId="11" pageNumber="344" reason="2">
Genus
<taxonomicName authority="Dijkstra &amp; Maestrati, 2010" authorityName="Dijkstra &amp; Maestrati" authorityYear="2010" box="[870,1013,976,1002]" class="Bivalvia" family="Pectinidae" genus="Lamellipecten" kingdom="Animalia" order="Pectinoida" pageId="11" pageNumber="344" phylum="Mollusca" rank="genus" status="n. gen.">
<emphasis box="[870,1013,976,1002]" italics="true" pageId="11" pageNumber="344">Lamellipecten</emphasis>
</taxonomicName>
<taxonomicNameLabel box="[1019,1094,976,1003]" pageId="11" pageNumber="344" rank="genus">n. gen.</taxonomicNameLabel>
</heading>
</paragraph>
</subSubSection>
<subSubSection box="[677,1119,1033,1057]" pageId="11" pageNumber="344" type="materials_examined">
<paragraph blockId="11.[677,1119,1033,1057]" box="[677,1119,1033,1057]" pageId="11" pageNumber="344">
<typeStatus box="[677,725,1033,1057]" pageId="11" pageNumber="344">TYPE</typeStatus>
SPECIES. —
<taxonomicName authority="Dijkstra &amp; Maestrati, 2010" authorityName="Dijkstra &amp; Maestrati" authorityYear="2010" box="[847,1058,1033,1057]" class="Bivalvia" family="Pectinidae" genus="Lamellipecten" kingdom="Animalia" order="Pectinoida" pageId="11" pageNumber="344" phylum="Mollusca" rank="species" species="aduncus" status="n. sp.">
<emphasis box="[847,1058,1033,1057]" italics="true" pageId="11" pageNumber="344">Lamellipecten aduncus</emphasis>
</taxonomicName>
<taxonomicNameLabel box="[1065,1119,1033,1057]" pageId="11" pageNumber="344" rank="species">n. sp.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection pageId="11" pageNumber="344" type="etymology">
<paragraph blockId="11.[677,1209,1081,1131]" pageId="11" pageNumber="344">
ETYMOLOGY. — A
<taxonomicName authorityName="Rafinesque" authorityYear="1815" box="[867,967,1081,1105]" class="Bivalvia" family="Pectinidae" kingdom="Animalia" order="Pectinoida" pageId="11" pageNumber="344" phylum="Mollusca" rank="family">Pectinidae</taxonomicName>
with strongly developed commarginal lamellae.
</paragraph>
</subSubSection>
<subSubSection pageId="11" pageNumber="344" type="diagnosis">
<paragraph blockId="11.[675,1211,1155,1364]" pageId="11" pageNumber="344">
DIAGNOSIS. — Thin
<taxonomicName authorityName="Rafinesque" authorityYear="1815" box="[878,978,1155,1179]" class="Bivalvia" family="Pectinidae" kingdom="Animalia" order="Pectinoida" pageId="11" pageNumber="344" phylum="Mollusca" rank="family">Pectinidae</taxonomicName>
with a fasciolar pseudoctenolium (
<bibRefCitation author="WALLER T. R." box="[793,974,1181,1205]" pageId="11" pageNumber="344" pagination="203 - 219" refId="ref22774" 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>
) throughout ontogeny, functional ctenolium lacking, narrow byssal fasciole, byssal notch shallow, strong resilial teeth and very weak dorsal teeth on right valve, intermediate teeth lacking (
<bibRefCitation author="WALLER T. R." pageId="11" pageNumber="344" pagination="1 - 73" refId="ref22813" refString="WALLER T. R. 1991. - Evolutionary relationship among commercial scallops (Mollusca: Bivalvia: Pectinidae), in SHUMWAY S. E. (ed.), Scallops: biology, ecology and aquaculture. Developments in Aquaculture and Fisheries Science, Elsevier, Amsterdam, 21: 1 - 73." type="journal article" year="1991">Waller 1991: 8</bibRefCitation>
), strong radial and commarginal macrosculpture exteriorly, irregularly radially undulated interiorly, short auricles, internal ribs lacking.
</paragraph>
</subSubSection>
<subSubSection lastPageId="12" lastPageNumber="345" pageId="11" pageNumber="344" type="discussion">
<paragraph blockId="11.[676,1210,1420,1700]" box="[677,777,1420,1447]" pageId="11" pageNumber="344">REMARKS</paragraph>
<paragraph blockId="11.[676,1210,1420,1700]" lastBlockId="12.[111,648,501,1320]" lastPageId="12" lastPageNumber="345" pageId="11" pageNumber="344">
A fasciolar pseudo-ctenolium had been described by
<bibRefCitation author="WALLER T. R." box="[677,874,1483,1510]" pageId="11" pageNumber="344" pagination="203 - 219" refId="ref22774" 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>
in species of the families
<taxonomicName authorityName="Abbott" authorityYear="1954" class="Bivalvia" family="Propeamussiidae" kingdom="Animalia" order="Pectinoida" pageId="11" pageNumber="344" phylum="Mollusca" rank="family">Propeamussiidae</taxonomicName>
(
<taxonomicName authority="(Dall, 1886)" baseAuthorityName="Dall" baseAuthorityYear="1886" box="[792,1166,1515,1542]" class="Bivalvia" family="Propeamussiidae" genus="Parvamussium" kingdom="Animalia" order="Pectinoida" pageId="11" pageNumber="344" phylum="Mollusca" rank="species" species="sayanum">
<emphasis box="[792,1032,1515,1540]" italics="true" pageId="11" pageNumber="344">Parvamussium sayanum</emphasis>
(
<bibRefCitation author="DALL W. H." box="[1044,1158,1515,1542]" pageId="11" pageNumber="344" pagination="171 - 318" refId="ref20019" refString="DALL W. H. 1886. - Report on the results of dredging [...] in the Gulf of Mexico by the U. S. coast guard survey steamer &quot; Blake &quot; [...]. Report on the mollusca. Part 1. Branchiopodes and Pelecypodes. Bulletin of the Museum of Comparative Zoology, Harvard College 12 (6): 171 - 318." type="journal article" year="1886">Dall, 1886</bibRefCitation>
)
</taxonomicName>
and
<taxonomicName authority="(Smith, 1885)" baseAuthorityName="Smith" baseAuthorityYear="1885" box="[677,1053,1546,1573]" class="Bivalvia" family="Propeamussiidae" genus="Cyclopecten" kingdom="Animalia" order="Pectinoida" pageId="11" pageNumber="344" phylum="Mollusca" rank="species" species="culebrensis">
<emphasis box="[677,899,1546,1572]" italics="true" pageId="11" pageNumber="344">Cyclopecten culebrensis</emphasis>
(
<bibRefCitation author="SMITH E. A." box="[911,1044,1546,1573]" pageId="11" pageNumber="344" pagination="1 - 341" refId="ref22354" refString="SMITH E. A. 1885. - Report on the Lamellibranchiata collected by H. M. S. &quot; Challenger &quot; during the years 1873 - 1876, in Report on the Scientific Results of the Voyage of H. M. S. &quot; Challenger &quot; During the Years 1873 - 1876. Zoology 13 (35): 1 - 341." type="journal article" year="1885">Smith, 1885</bibRefCitation>
)
</taxonomicName>
, from the [sub] tropical western Atlantic),and
<taxonomicName authorityName="Teppner" authorityYear="1922" box="[969,1070,1578,1605]" class="Bivalvia" family="Entoliidae" kingdom="Animalia" order="Pectinoida" pageId="11" pageNumber="344" phylum="Mollusca" rank="family">Entoliidae</taxonomicName>
(
<taxonomicName authority="(Dall, 1886)" baseAuthorityName="Dall" baseAuthorityYear="1886" class="Bivalvia" family="Entoliidae" genus="Syncyclonema" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pectinida" pageId="11" pageNumber="344" phylum="Mollusca" rank="species" species="sigsbeei">
<emphasis italics="true" pageId="11" pageNumber="344">Syncyclonema sigsbeei</emphasis>
(
<bibRefCitation author="DALL W. H." box="[762,880,1610,1637]" pageId="11" pageNumber="344" pagination="171 - 318" refId="ref20019" refString="DALL W. H. 1886. - Report on the results of dredging [...] in the Gulf of Mexico by the U. S. coast guard survey steamer &quot; Blake &quot; [...]. Report on the mollusca. Part 1. Branchiopodes and Pelecypodes. Bulletin of the Museum of Comparative Zoology, Harvard College 12 (6): 171 - 318." type="journal article" year="1886">Dall, 1886</bibRefCitation>
)
</taxonomicName>
, also from the tropical western Atlantic, and an undescribed species from the Pacific, subsequently described as
<taxonomicName authority="Dijkstra, 1991" authorityName="Dijkstra" authorityYear="1991" class="Bivalvia" family="Entoliidae" genus="Pectinella" kingdom="Animalia" lastPageId="12" lastPageNumber="345" order="Pectinoida" pageId="11" pageNumber="344" phylum="Mollusca" rank="species" species="aequoris">
<emphasis box="[937,1116,1673,1699]" italics="true" pageId="11" pageNumber="344">Pectinella aequoris</emphasis>
<bibRefCitation author="DIJKSTRA H. H." lastPageId="12" lastPageNumber="345" pageId="11" pageNumber="344" pagination="1 - 57" refId="ref20555" refString="DIJKSTRA H. H. 1991. - A contribution to the knowledge of the pectinacean Mollusca (Bivalvia: Propeamussiidae, Entoliidae, Pectinidae) from the Indonesian Archipelago. Zoologische Verhandelingen 271: 1 - 57." type="journal article" year="1991">Dijkstra, 1991</bibRefCitation>
</taxonomicName>
). This character was also reported by
<bibRefCitation author="DIJKSTRA H. H." pageId="12" pageNumber="345" pagination="9 - 73" refId="ref20594" refString="DIJKSTRA H. H. 1995 a. - Bathyal Pectinoidea (Bivalvia: Propeamussiidae: Entoliidae, Pectinidae) from New Caledonia and adjacent areas, in BOUCHET P. (ed.), Resultats des campagnes MUSORSTOM, volume 14. Memoires du Museum national d'Histoire naturelle 167: 9 - 73." type="journal article" year="1995">Dijkstra (1995a: 37)</bibRefCitation>
in
<taxonomicName authority="Dijkstra, 1995" authorityName="Dijkstra" authorityYear="1995" class="Bivalvia" family="Propeamussiidae" genus="Parvamussium" kingdom="Animalia" order="Pectinoida" pageId="12" pageNumber="345" phylum="Mollusca" rank="species" species="undisonum">
<emphasis box="[277,546,533,559]" italics="true" pageId="12" pageNumber="345">Parvamussium undisonum</emphasis>
Dijkstra, 1995
</taxonomicName>
, and is now found for the first time in a species of
<taxonomicName authorityName="Rafinesque" authorityYear="1815" box="[141,251,596,623]" class="Bivalvia" family="Pectinidae" kingdom="Animalia" order="Pectinoida" pageId="12" pageNumber="345" phylum="Mollusca" rank="family">Pectinidae</taxonomicName>
,
<taxonomicName authority="Dijkstra &amp; Maestrati, 2010" authorityName="Dijkstra &amp; Maestrati" authorityYear="2010" box="[260,486,596,622]" class="Bivalvia" family="Pectinidae" genus="Lamellipecten" kingdom="Animalia" order="Pectinoida" pageId="12" pageNumber="345" phylum="Mollusca" rank="species" species="aduncus" status="n. sp.">
<emphasis box="[260,486,596,622]" italics="true" pageId="12" pageNumber="345">Lamellipecten aduncus</emphasis>
</taxonomicName>
<taxonomicNameLabel box="[492,549,596,623]" pageId="12" pageNumber="345" rank="species">n. sp.</taxonomicNameLabel>
</paragraph>
<caption box="[220,1104,219,236]" pageId="12" pageNumber="345">
<paragraph blockId="12.[220,1104,219,236]" box="[220,1104,219,236]" pageId="12" pageNumber="345">
TABLE 2. — Morphological comparisons between
<taxonomicName authority="Dijkstra &amp; Maestrati, 2010" authorityName="Dijkstra &amp; Maestrati" authorityYear="2010" box="[630,746,219,236]" class="Bivalvia" family="Pectinidae" genus="Lamellipecten" kingdom="Animalia" order="Pectinoida" pageId="12" pageNumber="345" phylum="Mollusca" rank="genus" status="n. gen.">
<emphasis box="[630,746,219,236]" italics="true" pageId="12" pageNumber="345">Lamellipecten</emphasis>
</taxonomicName>
<taxonomicNameLabel box="[751,810,219,236]" pageId="12" pageNumber="345" rank="genus">n. gen.</taxonomicNameLabel>
and
<taxonomicName authority="Dijkstra, 1989" authorityName="Dijkstra" authorityYear="1989" box="[850,1100,219,236]" class="Bivalvia" family="Pectinidae" genus="Pseudohinnites" kingdom="Animalia" order="Pectinoida" pageId="12" pageNumber="345" phylum="Mollusca" rank="genus">
<emphasis box="[850,978,219,236]" italics="true" pageId="12" pageNumber="345">Pseudohinnites</emphasis>
Dijkstra, 1989
</taxonomicName>
.
</paragraph>
</caption>
<paragraph pageId="12" pageNumber="345">
<table box="[113,1000,295,447]" gridcols="3" gridrows="6" pageId="12" pageNumber="345">
<tr box="[113,1000,295,315]" gridrow="0" pageId="12" pageNumber="345" rowspan-0="1">
<th box="[454,671,295,315]" gridcol="1" gridrow="0" pageId="12" pageNumber="345">
<emphasis bold="true" box="[454,671,295,315]" italics="true" pageId="12" pageNumber="345">
<taxonomicName authority="Dijkstra &amp; Maestrati, 2010" authorityName="Dijkstra &amp; Maestrati" authorityYear="2010" box="[454,597,295,315]" class="Bivalvia" family="Pectinidae" genus="Lamellipecten" kingdom="Animalia" order="Pectinoida" pageId="12" pageNumber="345" phylum="Mollusca" rank="genus" status="n. gen.">Lamellipecten</taxonomicName>
<taxonomicNameLabel box="[602,671,295,314]" pageId="12" pageNumber="345" rank="genus">n. gen.</taxonomicNameLabel>
</emphasis>
</th>
<th box="[831,1000,295,315]" gridcol="2" gridrow="0" pageId="12" pageNumber="345">
<taxonomicName authorityName="Dijkstra" authorityYear="1989" box="[831,989,295,315]" class="Bivalvia" family="Pectinidae" genus="Pseudohinnites" kingdom="Animalia" order="Pectinoida" pageId="12" pageNumber="345" phylum="Mollusca" rank="genus">
<emphasis bold="true" box="[831,989,295,315]" italics="true" pageId="12" pageNumber="345">Pseudohinnites</emphasis>
</taxonomicName>
</th>
</tr>
<tr box="[113,1000,330,350]" gridrow="1" pageId="12" pageNumber="345">
<th box="[113,280,330,350]" gridcol="0" gridrow="1" pageId="12" pageNumber="345">Size</th>
<td box="[454,671,330,350]" gridcol="1" gridrow="1" pageId="12" pageNumber="345">up to 28 mm high</td>
<td box="[831,1000,330,350]" gridcol="2" gridrow="1" pageId="12" pageNumber="345">up to 50 mm high</td>
</tr>
<tr box="[113,1000,354,374]" gridrow="2" pageId="12" pageNumber="345">
<th box="[113,280,354,374]" gridcol="0" gridrow="2" pageId="12" pageNumber="345">Shape</th>
<td box="[454,671,354,374]" gridcol="1" gridrow="2" pageId="12" pageNumber="345">rv convex</td>
<td box="[831,1000,354,374]" gridcol="2" gridrow="2" pageId="12" pageNumber="345">rv flat</td>
</tr>
<tr box="[113,1000,378,398]" gridrow="3" pageId="12" pageNumber="345">
<th box="[113,280,378,398]" gridcol="0" gridrow="3" pageId="12" pageNumber="345">Sculpture</th>
<td box="[454,671,378,398]" gridcol="1" gridrow="3" pageId="12" pageNumber="345">present</td>
<td box="[831,1000,378,398]" gridcol="2" gridrow="3" pageId="12" pageNumber="345">lacking on rv</td>
</tr>
<tr box="[113,1000,402,422]" gridrow="4" pageId="12" pageNumber="345">
<th box="[113,280,402,422]" gridcol="0" gridrow="4" pageId="12" pageNumber="345">Ctenolium</th>
<td box="[454,671,402,422]" gridcol="1" gridrow="4" pageId="12" pageNumber="345">pseudo-ctenolium</td>
<td box="[831,1000,402,422]" gridcol="2" gridrow="4" pageId="12" pageNumber="345">true ctenolium</td>
</tr>
<tr box="[113,1000,427,447]" gridrow="5" pageId="12" pageNumber="345">
<th box="[113,280,427,447]" gridcol="0" gridrow="5" pageId="12" pageNumber="345">Interior surface rv</th>
<td box="[454,671,427,447]" gridcol="1" gridrow="5" pageId="12" pageNumber="345">strongly undulose</td>
<td box="[831,1000,427,447]" gridcol="2" gridrow="5" pageId="12" pageNumber="345">weakly undulose</td>
</tr>
</table>
</paragraph>
<paragraph blockId="12.[111,648,501,1320]" pageId="12" pageNumber="345">
The external sculpture of the left valve of
<taxonomicName authority="Dijkstra &amp; Maestrati, 2010" authorityName="Dijkstra &amp; Maestrati" authorityYear="2010" class="Bivalvia" family="Pectinidae" genus="Lamellipecten" kingdom="Animalia" order="Pectinoida" pageId="12" pageNumber="345" phylum="Mollusca" rank="genus" status="n. gen.">
<emphasis italics="true" pageId="12" pageNumber="345">Lamellipecten</emphasis>
</taxonomicName>
<taxonomicNameLabel box="[141,212,659,686]" pageId="12" pageNumber="345" rank="genus">n. gen.</taxonomicNameLabel>
somewhat resembles that of the deepwater
<taxonomicName authorityName="Dijkstra" authorityYear="1989" box="[111,252,691,717]" class="Bivalvia" family="Pectinidae" genus="Pseudohinnites" kingdom="Animalia" order="Pectinoida" pageId="12" pageNumber="345" phylum="Mollusca" rank="genus">
<emphasis box="[111,252,691,717]" italics="true" pageId="12" pageNumber="345">Pseudohinnites</emphasis>
</taxonomicName>
from the Atlantic and Pacific.However, all other shell characters are different (
<tableCitation box="[508,590,723,750]" captionStart="TABLE" captionStartId="12.[220,231,219,236]" captionText="TABLE 2. — Morphological comparisons between Lamellipecten n. gen. and Pseudohinnites Dijkstra, 1989." pageId="12" pageNumber="345">Table 2</tableCitation>
):
</paragraph>
<paragraph blockId="12.[111,648,501,1320]" pageId="12" pageNumber="345">
The propeamussiids
<taxonomicName baseAuthorityName="Dall" baseAuthorityYear="1886" box="[349,460,755,780]" class="Bivalvia" family="Propeamussiidae" genus="Parvamussium" kingdom="Animalia" order="Pectinoida" pageId="12" pageNumber="345" phylum="Mollusca" rank="species" species="sayanum">
<emphasis box="[349,460,755,780]" italics="true" pageId="12" pageNumber="345">P.sayanum</emphasis>
</taxonomicName>
and
<taxonomicName authorityName="Dijkstra" authorityYear="1995" box="[510,646,754,780]" class="Bivalvia" family="Propeamussiidae" genus="Parvamussium" kingdom="Animalia" order="Pectinoida" pageId="12" pageNumber="345" phylum="Mollusca" rank="species" species="undisonum">
<emphasis box="[510,646,754,780]" italics="true" pageId="12" pageNumber="345">P.undisonum</emphasis>
</taxonomicName>
also resemble
<taxonomicName authority="Dijkstra &amp; Maestrati, 2010" authorityName="Dijkstra &amp; Maestrati" authorityYear="2010" box="[262,405,786,812]" class="Bivalvia" family="Pectinidae" genus="Lamellipecten" kingdom="Animalia" order="Pectinoida" pageId="12" pageNumber="345" phylum="Mollusca" rank="genus" status="n. gen.">
<emphasis box="[262,405,786,812]" italics="true" pageId="12" pageNumber="345">Lamellipecten</emphasis>
</taxonomicName>
<taxonomicNameLabel box="[411,485,786,813]" pageId="12" pageNumber="345" rank="genus">n. gen.</taxonomicNameLabel>
in sculpture of the left valve, but by all other characters (interior ribs, dissimilar sculpture of both valves, lack of a true ctenolium) they are typical species of
<taxonomicName authorityName="Abbott" authorityYear="1954" class="Bivalvia" family="Propeamussiidae" kingdom="Animalia" order="Pectinoida" pageId="12" pageNumber="345" phylum="Mollusca" rank="family">Propeamussiidae</taxonomicName>
, whereas
<taxonomicName authority="Dijkstra &amp; Maestrati, 2010" authorityName="Dijkstra &amp; Maestrati" authorityYear="2010" box="[362,505,913,939]" class="Bivalvia" family="Pectinidae" genus="Lamellipecten" kingdom="Animalia" order="Pectinoida" pageId="12" pageNumber="345" phylum="Mollusca" rank="genus" status="n. gen.">
<emphasis box="[362,505,913,939]" italics="true" pageId="12" pageNumber="345">Lamellipecten</emphasis>
</taxonomicName>
<taxonomicNameLabel box="[512,587,913,940]" pageId="12" pageNumber="345" rank="genus">n. gen.</taxonomicNameLabel>
lacks interior ribs and has a similar sculpture on both valves.It is remarkable that this pectinid genus lacks a true ctenolium and only has a fasciolar pseudoctenolium. Some pectinid genera that also lack a functional ctenolium like
<taxonomicName authorityName="Dall, Bartsch &amp; Rehder" authorityYear="1938" box="[374,494,1072,1098]" class="Bivalvia" family="Pectinidae" genus="Anguipecten" kingdom="Animalia" order="Pectinoida" pageId="12" pageNumber="345" phylum="Mollusca" rank="genus">
<emphasis box="[374,494,1072,1098]" italics="true" pageId="12" pageNumber="345">Anguipecten</emphasis>
</taxonomicName>
,
<taxonomicName authority="Muller, 1776" authorityName="Muller" authorityYear="1776" class="Bivalvia" family="Pectinidae" genus="Pecten" kingdom="Animalia" order="Pectinoida" pageId="12" pageNumber="345" phylum="Mollusca" rank="genus">
<emphasis box="[505,567,1072,1097]" italics="true" pageId="12" pageNumber="345">Pecten</emphasis>
Müller, 1776
</taxonomicName>
and
<taxonomicName authority="Verrill, 1897" authorityName="Verrill" authorityYear="1897" box="[222,492,1103,1130]" class="Bivalvia" family="Pectinidae" genus="Hyalopecten" kingdom="Animalia" order="Pectinoida" pageId="12" pageNumber="345" phylum="Mollusca" rank="genus">
<emphasis box="[222,347,1103,1129]" italics="true" pageId="12" pageNumber="345">Hyalopecten</emphasis>
<bibRefCitation author="VERRILL A. E." box="[353,492,1103,1130]" pageId="12" pageNumber="345" pagination="41 - 95" refId="ref22630" refString="VERRILL A. E. 1897. - A study of the family Pectinidae with a revision of the genera and subgenera. Transactions of the Connecticut Academy of Arts and Sciences 10: 41 - 95." type="journal article" year="1897">Verrill, 1897</bibRefCitation>
</taxonomicName>
, do not have a pseudo-ctenolium. Although
<taxonomicName authority="Dijkstra &amp; Maestrati, 2010" authorityName="Dijkstra &amp; Maestrati" authorityYear="2010" box="[427,569,1134,1160]" class="Bivalvia" family="Pectinidae" genus="Lamellipecten" kingdom="Animalia" order="Pectinoida" pageId="12" pageNumber="345" phylum="Mollusca" rank="genus" status="n. gen.">
<emphasis box="[427,569,1134,1160]" italics="true" pageId="12" pageNumber="345">Lamellipecten</emphasis>
</taxonomicName>
<taxonomicNameLabel box="[574,647,1135,1162]" pageId="12" pageNumber="345" rank="genus">n. gen.</taxonomicNameLabel>
has a similar pseudo-ctenolium as in two genera of
<taxonomicName authorityName="Abbott" authorityYear="1954" box="[113,292,1198,1225]" class="Bivalvia" family="Propeamussiidae" kingdom="Animalia" order="Pectinoida" pageId="12" pageNumber="345" phylum="Mollusca" rank="family">Propeamussiidae</taxonomicName>
(
<taxonomicName authorityName="Sacco" authorityYear="1897" box="[308,460,1199,1224]" class="Bivalvia" family="Propeamussiidae" genus="Parvamussium" kingdom="Animalia" order="Pectinoida" pageId="12" pageNumber="345" phylum="Mollusca" rank="genus">
<emphasis box="[308,460,1199,1224]" italics="true" pageId="12" pageNumber="345">Parvamussium</emphasis>
</taxonomicName>
and
<taxonomicName authorityName="Verrill" authorityYear="1897" box="[512,631,1198,1224]" class="Bivalvia" family="Propeamussiidae" genus="Cyclopecten" kingdom="Animalia" order="Pectinoida" pageId="12" pageNumber="345" phylum="Mollusca" rank="genus">
<emphasis box="[512,631,1198,1224]" italics="true" pageId="12" pageNumber="345">Cyclopecten</emphasis>
</taxonomicName>
), other characters (strongly developed resilial teeth, similar macrosculpture on both valves, undulating inner surface) are typical of
<taxonomicName authorityName="Rafinesque" authorityYear="1815" box="[414,528,1293,1320]" class="Bivalvia" family="Pectinidae" kingdom="Animalia" order="Pectinoida" pageId="12" pageNumber="345" phylum="Mollusca" rank="family">Pectinidae</taxonomicName>
.
</paragraph>
</subSubSection>
</treatment>
</document>