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<document id="33B7B4CC3DD647F0901C5BA7B0682741" ID-DOI="10.5281/zenodo.7910445" ID-ISSN="2305-2562" ID-Zenodo-Dep="7910445" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" IM.treatmentCitations_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1683577188614" checkinUser="felipe" docAuthor="Dijkstra, H. H. &amp; Kilburn, R. N." docDate="2001" docId="725A87F3FF955416FE12F9D704ACFDA6" docLanguage="en" docName="AfrInvertebr.42.1.263–321.pdf" docOrigin="African Invertebrates 42" docStyle="DocumentStyle:C20B10C002986E51083406A4EACF003A.3:AfrInvertebr.2001-2007.journal_article" docStyleId="C20B10C002986E51083406A4EACF003A" docStyleName="AfrInvertebr.2001-2007.journal_article" docStyleVersion="3" docTitle="Pectinidae Wilkes 1810" docType="treatment" docVersion="5" lastPageNumber="269" masterDocId="8E63FF8BFF965410FFF1FFD60708FFA1" masterDocTitle="The family Pectinidae in South Africa and Mozambique (Mollusca: Bivalvia: Pectinoidea)" masterLastPageNumber="321" masterPageNumber="263" pageNumber="266" updateTime="1699498554220" updateUser="plazi" zenodo-license-document="CC-BY-4.0">
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<mods:title id="B0EAAF7E95B53A8FE248113610197EE3">The family Pectinidae in South Africa and Mozambique (Mollusca: Bivalvia: Pectinoidea)</mods:title>
</mods:titleInfo>
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<mods:namePart id="87FB5C22C63D9B56A9420AF79285FC3A">Dijkstra, H. H.</mods:namePart>
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<mods:namePart id="6D04BA054AE5D0FCB0B37FCC13625061">Kilburn, R. N.</mods:namePart>
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<mods:typeOfResource id="06712A19C963252CA46122E1EC86F289">text</mods:typeOfResource>
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<mods:title id="2EE5436E939DCBF1B3BE266FB110B494">African Invertebrates</mods:title>
</mods:titleInfo>
<mods:part id="315975C041C86EA37388ED8CF458EEFB">
<mods:date id="3ED26AB90ED4618D0C2F8E04758812EC">2001</mods:date>
<mods:detail id="4AF3DF1418BDD9E643F4BEC329ECC433" type="pubDate">
<mods:number id="CADAF5826F27F686676CE800270DD32B">2001-12-31</mods:number>
</mods:detail>
<mods:detail id="5C00041B966DC72719C780D9BD11FF39" type="volume">
<mods:number id="E57A2723286F4C84CFCD6D033886081E">42</mods:number>
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<mods:identifier id="CD3993B6F341264FB9A6BE27661268B6" type="DOI">10.5281/zenodo.7910445</mods:identifier>
<mods:identifier id="2ADF7DAB410A4409CA0985A881BD8AFF" type="ISSN">2305-2562</mods:identifier>
<mods:identifier id="9D6E1F3484EC459EDDC67EFF3436FE1B" type="Zenodo-Dep">7910445</mods:identifier>
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<treatment id="725A87F3FF955416FE12F9D704ACFDA6" ID-DOI="http://doi.org/10.5281/zenodo.7910027" ID-Zenodo-Dep="7910027" LSID="urn:lsid:plazi:treatment:725A87F3FF955416FE12F9D704ACFDA6" httpUri="http://treatment.plazi.org/id/725A87F3FF955416FE12F9D704ACFDA6" lastPageId="6" lastPageNumber="269" pageId="3" pageNumber="266">
<subSubSection id="B2E9656EFF955413FE12F9D70462F99B" pageId="3" pageNumber="266" type="nomenclature">
<paragraph id="FA4C36E5FF955413FE12F9D70440F9BB" blockId="3.[483,840,1537,1562]" box="[483,840,1537,1562]" pageId="3" pageNumber="266">
<heading id="A1048189FF955413FE12F9D70440F9BB" box="[483,840,1537,1562]" centered="true" fontSize="36" level="2" pageId="3" pageNumber="266" reason="7">
Family
<taxonomicName id="3DF34D66FF955413FDC8F9D70440F9BB" ID-CoL="7NKCR" ID-ENA="6566" authority="Wilkes, 1810" authorityName="Wilkes" authorityYear="1810" box="[569,840,1537,1562]" class="Bivalvia" family="Pectinidae" kingdom="Animalia" order="Pectinida" pageId="3" pageNumber="266" phylum="Mollusca" rank="family">
Pectinidae
<bibRefCitation id="9E624B14FF955413FD45F9D70440F9BB" author="WILKES, J." box="[692,840,1537,1562]" pageId="3" pageNumber="266" pagination="14 - 41" refId="ref39870" refString="WILKES, J. 1810. Conchology. In: Encyclopaedia Londinensis; or, Universal Dictionary of Arts, Sciences, and Literature. London: J. Adlard pp. 14 - 41." type="book chapter" year="1810">Wilkes, 1810</bibRefCitation>
</taxonomicName>
</heading>
</paragraph>
<paragraph id="FA4C36E5FF955413FE30F9F70462F99B" blockId="3.[181,1141,1569,1666]" box="[449,874,1569,1594]" pageId="3" pageNumber="266">
<heading id="A1048189FF955413FE30F9F70462F99B" box="[449,874,1569,1594]" centered="true" fontSize="36" level="2" pageId="3" pageNumber="266" reason="7">[as Pectinoidae, emend. Waller, 1978]</heading>
</paragraph>
</subSubSection>
<subSubSection id="B2E9656EFF955416FF21F99F04ACFDA6" lastPageId="6" lastPageNumber="269" pageId="3" pageNumber="266" type="description">
<paragraph id="FA4C36E5FF955414FF21F99F05F7FEE6" blockId="3.[181,1141,1569,1666]" lastBlockId="4.[144,1104,206,327]" lastPageId="4" lastPageNumber="267" pageId="3" pageNumber="266">
Attempts at producing a dichotomous key to the 20 genera of the
<taxonomicName id="3DF34D66FF955413FC62F99F030FF9C3" authorityName="Wilkes" authorityYear="1810" box="[915,1031,1609,1634]" class="Bivalvia" family="Pectinidae" kingdom="Animalia" order="Pectinida" pageId="3" pageNumber="266" phylum="Mollusca" rank="family">Pectinidae</taxonomicName>
occurring within the region covered proved unsuccessful on account of the variability of many characters within most genera, and the difficulty of defining degree of development of such characters. Instead, brief diagnoses of generic characters are summarised below, using shell characters. Similarly, descriptions of species have been reduced to diagnostic characters, so that separate diagnoses are not presented.
</paragraph>
<paragraph id="FA4C36E5FF925414FF61FE8F048BFED3" blockId="4.[144,899,345,370]" box="[144,899,345,370]" pageId="4" pageNumber="267">
Synopsis of genera of
<taxonomicName id="3DF34D66FF925414FE7BFE8F06F7FED3" authorityName="Wilkes" authorityYear="1810" box="[394,511,345,370]" class="Bivalvia" family="Pectinidae" kingdom="Animalia" order="Pectinida" pageId="4" pageNumber="267" phylum="Mollusca" rank="family">Pectinidae</taxonomicName>
in
<collectingCountry id="82E47675FF925414FDD2FE8F05B9FED3" box="[547,689,345,370]" name="South Africa" pageId="4" pageNumber="267">South Africa</collectingCountry>
and
<collectingCountry id="82E47675FF925414FD16FE8F0477FED3" box="[743,895,345,370]" name="Mozambique" pageId="4" pageNumber="267">Mozambique</collectingCountry>
:
</paragraph>
<paragraph id="FA4C36E5FF925414FF5BFE520534FE5C" blockId="4.[144,1104,388,1661]" pageId="4" pageNumber="267">
<taxonomicName id="3DF34D66FF925414FF5BFE5206BAFE3C" authority=": Convex" authorityName="Convex" box="[170,434,388,413]" class="Bivalvia" family="Pectinidae" genus="Delectopecten" kingdom="Animalia" order="Pectinida" pageId="4" pageNumber="267" phylum="Mollusca" rank="genus">
<emphasis id="C887EAF7FF925414FF5BFE520642FE3D" box="[170,330,388,412]" italics="true" pageId="4" pageNumber="267">Delectopecten</emphasis>
: Convex
</taxonomicName>
, fragile, inequivalve, equilateral, nearly orbicular, attains
<quantity id="3D0B9B00FF925414FBC5FE5207B4FE1C" metricMagnitude="-2" metricUnit="m" metricValue="3.0" pageId="4" pageNumber="267" unit="mm" value="30.0">30 mm</quantity>
in height, valves sculptured with commarginal rows of scales or vesicles, spinose radial ridges and/or delicate antimarginal striae, auricles unequal in size, byssal notch well-developed, ctenolium prominent.
</paragraph>
<paragraph id="FA4C36E5FF925414FF5BFDD20461FDDC" blockId="4.[144,1104,388,1661]" pageId="4" pageNumber="267">
<taxonomicName id="3DF34D66FF925414FF5BFDD206DDFDBC" authority=": Convex" authorityName="Convex" box="[170,469,516,541]" class="Bivalvia" family="Pectinidae" genus="Pseudamussium" kingdom="Animalia" order="Pectinida" pageId="4" pageNumber="267" phylum="Mollusca" rank="genus">
<emphasis id="C887EAF7FF925414FF5BFDD2066CFDBD" box="[170,356,516,540]" italics="true" pageId="4" pageNumber="267">Pseudamussium</emphasis>
: Convex
</taxonomicName>
, fairly solid, inequivalve, slightly equilateral, nearly orbicular, attains
<quantity id="3D0B9B00FF925414FEA3FDF206A9FD9C" box="[338,417,548,573]" metricMagnitude="-2" metricUnit="m" metricValue="6.0" pageId="4" pageNumber="267" unit="mm" value="60.0">60 mm</quantity>
in height, valves with radial plicae or costae, sculptured with delicate to prominent radial ridges and/or radial striae, antimarginal microsculpture, auricles unequal in size, byssal notch shallow, ctenolium present.
</paragraph>
<paragraph id="FA4C36E5FF925414FF5BFD52041AFD5C" blockId="4.[144,1104,388,1661]" pageId="4" pageNumber="267">
<taxonomicName id="3DF34D66FF925414FF5BFD520690FD3C" authority=": Convex" authorityName="Convex" box="[170,408,644,669]" class="Bivalvia" family="Pectinidae" genus="Anguipecten" kingdom="Animalia" order="Pectinida" pageId="4" pageNumber="267" phylum="Mollusca" rank="genus">
<emphasis id="C887EAF7FF925414FF5BFD52063BFD3D" box="[170,307,644,668]" italics="true" pageId="4" pageNumber="267">Anguipecten</emphasis>
: Convex
</taxonomicName>
, solid, inequivalve, slightly equilateral, suborbicular to elongate, laterally compressed, attains
<quantity id="3D0B9B00FF925414FE20FD720516FD1C" box="[465,542,676,701]" metricMagnitude="-2" metricUnit="m" metricValue="7.0" pageId="4" pageNumber="267" unit="mm" value="70.0">70 mm</quantity>
in height, valves with 9–40 regularly spaced radial lirae, sculptured with delicate, closely spaced, commarginal lamellae, auricles more or less equal in size, byssal notch obsolete, ctenolium weak.
</paragraph>
<paragraph id="FA4C36E5FF925414FF5BFCD204C5FCDC" blockId="4.[144,1104,388,1661]" pageId="4" pageNumber="267">
<taxonomicName id="3DF34D66FF925414FF5BFCD206B6FCBC" authority=": Convex" authorityName="Convex" box="[170,446,772,797]" class="Bivalvia" family="Pectinidae" genus="Bractechlamys" kingdom="Animalia" order="Pectinida" pageId="4" pageNumber="267" phylum="Mollusca" rank="genus">
<emphasis id="C887EAF7FF925414FF5BFCD20659FCBD" box="[170,337,772,796]" italics="true" pageId="4" pageNumber="267">Bractechlamys</emphasis>
: Convex
</taxonomicName>
, solid, inequivalve, equilateral, suborbicular to elongate, attains
<quantity id="3D0B9B00FF925414FF17FCF20632FC9C" box="[230,314,804,829]" metricMagnitude="-2" metricUnit="m" metricValue="6.0" pageId="4" pageNumber="267" unit="mm" value="60.0">60 mm</quantity>
in height, valves with 8–15 regularly spaced primary radial lirae, sometimes with nodules, secondary radial riblets present, prominently ribbed auricles unequal to subequal in size, byssal notch relatively deep, ctenolium weak.
</paragraph>
<paragraph id="FA4C36E5FF925414FF5BFC520593FBBC" blockId="4.[144,1104,388,1661]" pageId="4" pageNumber="267">
<taxonomicName id="3DF34D66FF925414FF5BFC5206B5FC3C" authority=": Convex" authorityName="Convex" box="[170,445,900,925]" class="Bivalvia" family="Pectinidae" genus="Decatopecten" kingdom="Animalia" order="Pectinida" pageId="4" pageNumber="267" phylum="Mollusca" rank="genus">
<emphasis id="C887EAF7FF925414FF5BFC520643FC3D" box="[170,331,900,924]" italics="true" pageId="4" pageNumber="267">Decatopecten</emphasis>
: Convex
</taxonomicName>
, solid, inequivalve, juvenile equilateral, adult slightly inequilateral, suborbicular to elongate, attains
<quantity id="3D0B9B00FF925414FD59FC720400FC1C" box="[680,776,932,957]" metricMagnitude="-1" metricUnit="m" metricValue="1.2" pageId="4" pageNumber="267" unit="mm" value="120.0">120 mm</quantity>
in height, valves with 5–15 regularly spaced primary radial lirae, closely spaced commarginal lamellae, delicate antimarginal microsculpture in early ontogeny and secondary radial sculpture in late ontogeny, byssal notch small, ctenolium weak.
</paragraph>
<paragraph id="FA4C36E5FF925414FF5BFBF20549FB3C" blockId="4.[144,1104,388,1661]" pageId="4" pageNumber="267">
<taxonomicName id="3DF34D66FF925414FF5BFBF206ACFB9C" authority=": Convex" authorityName="Convex" box="[170,420,1060,1085]" class="Bivalvia" family="Pectinidae" genus="Glorichlamys" kingdom="Animalia" order="Pectinida" pageId="4" pageNumber="267" phylum="Mollusca" rank="genus">
<emphasis id="C887EAF7FF925414FF5BFBF20637FB9D" box="[170,319,1060,1084]" italics="true" pageId="4" pageNumber="267">Glorichlamys</emphasis>
: Convex
</taxonomicName>
, solid, inequivalve, equilateral, suborbicular to elongate, attains
<quantity id="3D0B9B00FF925414FF61FB9207EAFBFC" box="[144,226,1092,1117]" metricMagnitude="-2" metricUnit="m" metricValue="2.5" pageId="4" pageNumber="267" unit="mm" value="25.0">25 mm</quantity>
in height, valves with regularly to irregularly spaced radial lirae, simple to quadripartite, commarginal interstitial lamellae, auricles very unequal in size, byssal notch deep, ctenolium well developed.
</paragraph>
<paragraph id="FA4C36E5FF925414FF5BFB72064AFAFC" blockId="4.[144,1104,388,1661]" pageId="4" pageNumber="267">
<taxonomicName id="3DF34D66FF925414FF5BFB720696FB1C" authority=": Convex" authorityName="Convex" box="[170,414,1188,1213]" class="Bivalvia" family="Pectinidae" genus="Gloripallium" kingdom="Animalia" order="Pectinida" pageId="4" pageNumber="267" phylum="Mollusca" rank="genus">
<emphasis id="C887EAF7FF925414FF5BFB720631FB1D" box="[170,313,1188,1212]" italics="true" pageId="4" pageNumber="267">Gloripallium</emphasis>
: Convex
</taxonomicName>
, solid, inequivalve, equilateral, orbicular to suborbicular, attains
<quantity id="3D0B9B00FF925414FF61FB1207E1FB7C" box="[144,233,1220,1245]" metricMagnitude="-1" metricUnit="m" metricValue="1.0" pageId="4" pageNumber="267" unit="mm" value="100.0">100 mm</quantity>
in height, valves with 7–14 regularly spaced primary radial lirae with prominent commarginal lamellae, secondary radial riblets (sometimes lacking), auricles unequal in size, noduliferous antimarginal macrosculpture on auricles, commarginal microsculpture on auricles and in early growth stages, byssal notch deep, ctenolium well developed.
</paragraph>
<paragraph id="FA4C36E5FF925414FF5BFAB204DDFA5C" blockId="4.[144,1104,388,1661]" pageId="4" pageNumber="267">
<taxonomicName id="3DF34D66FF925414FF5BFAB206A7FADC" authority=": Inflated" authorityName="Inflated" box="[170,431,1380,1405]" class="Bivalvia" family="Pectinidae" genus="Juxtamusium" kingdom="Animalia" order="Pectinida" pageId="4" pageNumber="267" phylum="Mollusca" rank="genus">
<emphasis id="C887EAF7FF925414FF5BFAB20648FADD" box="[170,320,1380,1404]" italics="true" pageId="4" pageNumber="267">Juxtamusium</emphasis>
: Inflated
</taxonomicName>
, left valve nearly flat, right valve convex, rather fragile, equilateral to inequilateral, orbicular to suborbicular, attains
<quantity id="3D0B9B00FF925414FCCCFA520485FA3C" box="[829,909,1412,1437]" metricMagnitude="-2" metricUnit="m" metricValue="3.0" pageId="4" pageNumber="267" unit="mm" value="30.0">30 mm</quantity>
in height, valves with regularly to irregularly closely-spaced, weak radial lirae or riblets, delicate commarginal microsculpture throughout ontogeny, auricles nearly equal in size, resilifer on one side strongly erect, byssal notch shallow, ctenolium on both valves.
</paragraph>
<paragraph id="FA4C36E5FF925415FF5BF9D20348FF46" blockId="4.[144,1104,388,1661]" lastBlockId="5.[181,1142,206,1671]" lastPageId="5" lastPageNumber="268" pageId="4" pageNumber="267">
<taxonomicName id="3DF34D66FF925414FF5BF9D2069BF9BC" authority=": Inflated" authorityName="Inflated" box="[170,403,1540,1565]" class="Bivalvia" family="Pectinidae" genus="Mirapecten" kingdom="Animalia" order="Pectinida" pageId="4" pageNumber="267" phylum="Mollusca" rank="genus">
<emphasis id="C887EAF7FF925414FF5BF9D20623F9BD" box="[170,299,1540,1564]" italics="true" pageId="4" pageNumber="267">Mirapecten</emphasis>
: Inflated
</taxonomicName>
, right valve more convex than left valve, solid to rather fragile, equilateral to inequilaterial, orbicular to suborbicular, attains
<quantity id="3D0B9B00FF925414FCB1F9F20487F99C" box="[832,911,1572,1597]" metricMagnitude="-2" metricUnit="m" metricValue="4.0" pageId="4" pageNumber="267" unit="mm" value="40.0">40 mm</quantity>
in height, valves with 5–7 regularly spaced primary squamous lirae to 7–11 irregularly spaced primary and secondary lirae, auricles unequal in size, microsculpture of closely spaced commarginal lamellae, byssal notch moderately deep, ctenolium well developed.
</paragraph>
<paragraph id="FA4C36E5FF935415FF21FF380558FEC6" blockId="5.[181,1142,206,1671]" pageId="5" pageNumber="268">
<taxonomicName id="3DF34D66FF935415FF21FF38065EFEA6" authority=": Left" authorityName="Left" box="[208,342,238,263]" class="Bivalvia" family="Pectinidae" genus="Pecten" kingdom="Animalia" order="Pectinida" pageId="5" pageNumber="268" phylum="Mollusca" rank="genus">
<emphasis id="C887EAF7FF935415FF21FF380613FEA7" box="[208,283,238,262]" italics="true" pageId="5" pageNumber="268">Pecten</emphasis>
: Left
</taxonomicName>
valve almost flat, right valve strongly convex, solid, equilateral, orbicular to suborbicular, attains
<quantity id="3D0B9B00FF935415FE3CFED80526FE86" box="[461,558,270,295]" metricMagnitude="-1" metricUnit="m" metricValue="1.5" pageId="5" pageNumber="268" unit="mm" value="150.0">150 mm</quantity>
in height, valves with radial macrosculpture and commarginal microsculpture, auricles almost equal in size, byssal notch weak, ctenolium weak in juvenile and absent in adult.
</paragraph>
<paragraph id="FA4C36E5FF935415FF21FEB80638FDA6" blockId="5.[181,1142,206,1671]" pageId="5" pageNumber="268">
<taxonomicName id="3DF34D66FF935415FF21FEB806C5FE26" authority=": Weakly" authorityName="Weakly" box="[208,461,366,391]" class="Bivalvia" family="Pectinidae" genus="Laevichlamys" kingdom="Animalia" order="Pectinida" pageId="5" pageNumber="268" phylum="Mollusca" rank="genus">
<emphasis id="C887EAF7FF935415FF21FEB80662FE27" box="[208,362,366,390]" italics="true" pageId="5" pageNumber="268">Laevichlamys</emphasis>
: Weakly
</taxonomicName>
convex, solid, inequivalve, inequilateral, elongate, attains
<quantity id="3D0B9B00FF935415FBABFEB807E9FE06" metricMagnitude="-2" metricUnit="m" metricValue="6.0" pageId="5" pageNumber="268" unit="mm" value="60.0">60 mm</quantity>
in height, valves with delicate radial ribs or riblets (irregularly or regularly spaced), shagreened or reticulate microsculpture secondarily commonly lacking, intercalated antimarginal striae, commarginal lirae absent, byssal notch deep, ctenolium well developed.
</paragraph>
<paragraph id="FA4C36E5FF935415FF21FDD80684FD06" blockId="5.[181,1142,206,1671]" pageId="5" pageNumber="268">
<taxonomicName id="3DF34D66FF935415FF21FDD8066FFD86" authority=": Solid" authorityName="Solid" box="[208,359,526,551]" class="Bivalvia" family="Pectinidae" genus="Pedum" kingdom="Animalia" order="Pectinida" pageId="5" pageNumber="268" phylum="Mollusca" rank="genus">
<emphasis id="C887EAF7FF935415FF21FDD80615FD87" box="[208,285,526,550]" italics="true" pageId="5" pageNumber="268">Pedum</emphasis>
: Solid
</taxonomicName>
, flattened left valve, convex right valve, dorsoventrally elongate, attains
<quantity id="3D0B9B00FF935415FF44FDF80607FDE6" box="[181,271,558,583]" metricMagnitude="-1" metricUnit="m" metricValue="1.0" pageId="5" pageNumber="268" unit="mm" value="100.0">100 mm</quantity>
in height, microsculpture of numerous scabrous radial riblets and closely spaced commarginal lamellae, anterior auricle in late ontogeny strongly curved, posterior nearly lacking, byssal notch deep, ctenolium present in immature, lacking in adult; living embedded in coral.
</paragraph>
<paragraph id="FA4C36E5FF935415FF21FD78056EFCE6" blockId="5.[181,1142,206,1671]" pageId="5" pageNumber="268">
<taxonomicName id="3DF34D66FF935415FF21FD7806B2FD66" authority=": Weakly" authorityName="Weakly" box="[208,442,686,711]" class="Bivalvia" family="Pectinidae" genus="Semipallium" kingdom="Animalia" order="Pectinida" pageId="5" pageNumber="268" phylum="Mollusca" rank="genus">
<emphasis id="C887EAF7FF935415FF21FD780652FD67" box="[208,346,686,710]" italics="true" pageId="5" pageNumber="268">Semipallium</emphasis>
: Weakly
</taxonomicName>
convex, solid, inequivalve, equilateral to inequilateral, elongate, up to
<quantity id="3D0B9B00FF935415FF09FD180640FD46" box="[248,328,718,743]" metricMagnitude="-2" metricUnit="m" metricValue="7.0" pageId="5" pageNumber="268" unit="mm" value="70.0">70 mm</quantity>
in height, regularly or irregularly spaced strong to weak primary radial lirae or costae, delicate secondary radial riblets commonly in late ontogeny, shagreened or reticulated microsculpture throughout ontogeny, auricles very unequal in size, byssal notch deep, ctenolium well developed.
</paragraph>
<paragraph id="FA4C36E5FF935415FF21FC980638FBA6" blockId="5.[181,1142,206,1671]" pageId="5" pageNumber="268">
<taxonomicName id="3DF34D66FF935415FF21FC9806BAFCC6" authority=": Rather" authorityName="Rather" box="[208,434,846,871]" class="Bivalvia" family="Pectinidae" genus="Talochlamys" kingdom="Animalia" order="Pectinida" pageId="5" pageNumber="268" phylum="Mollusca" rank="genus">
<emphasis id="C887EAF7FF935415FF21FC980653FCC7" box="[208,347,846,870]" italics="true" pageId="5" pageNumber="268">Talochlamys</emphasis>
: Rather
</taxonomicName>
inflated, weakly convex, solid to fragile, inequivalve, equilateral to inequilateral, elongate, attains
<quantity id="3D0B9B00FF935415FDEBFCB8056DFC26" box="[538,613,878,903]" metricMagnitude="-2" metricUnit="m" metricValue="4.0" pageId="5" pageNumber="268" unit="mm" value="40.0">40 mm</quantity>
in height, valves with irregularly spaced primary radial squamous costae, secondary interstitial riblets in late ontogeny, microsculpture of weak antimarginal striae, intercalated widely spaced prominent commarginal lamellae, shagreened microsculpture commonly lacking, byssal notch deep, ctenolium well developed.
</paragraph>
<paragraph id="FA4C36E5FF935415FF21FBD8043BFB06" blockId="5.[181,1142,206,1671]" pageId="5" pageNumber="268">
<taxonomicName id="3DF34D66FF935415FF21FBD806D1FB86" authority=": Rather" authorityName="Rather" box="[208,473,1038,1063]" class="Bivalvia" family="Pectinidae" genus="Veprichlamys" kingdom="Animalia" order="Pectinida" pageId="5" pageNumber="268" phylum="Mollusca" rank="genus">
<emphasis id="C887EAF7FF935415FF21FBD8067BFB87" box="[208,371,1038,1062]" italics="true" pageId="5" pageNumber="268">Veprichlamys</emphasis>
: Rather
</taxonomicName>
inflated, weakly convex, rather fragile, inequivalve, inequilateral, elongate, attains
<quantity id="3D0B9B00FF935415FDE6FBF80562FBE6" box="[535,618,1070,1095]" metricMagnitude="-2" metricUnit="m" metricValue="4.0" pageId="5" pageNumber="268" unit="mm" value="40.0">40 mm</quantity>
in height, valves with preradial antimarginal microsculpture, squamous primary and secondary intercalated (commonly in late ontogeny) radial macrosculpture, interstitial antimarginal microsculpture (rarely reticulate), byssal notch deep, ctenolium well developed.
</paragraph>
<paragraph id="FA4C36E5FF935415FF21FB780461FAE6" blockId="5.[181,1142,206,1671]" pageId="5" pageNumber="268">
<taxonomicName id="3DF34D66FF935415FF21FB7806D1FB66" authority=": Convex" authorityName="Convex" box="[208,473,1198,1223]" class="Bivalvia" family="Pectinidae" genus="Mimachlamys" kingdom="Animalia" order="Pectinida" pageId="5" pageNumber="268" phylum="Mollusca" rank="genus">
<emphasis id="C887EAF7FF935415FF21FB780666FB67" box="[208,366,1198,1222]" italics="true" pageId="5" pageNumber="268">Mimachlamys</emphasis>
: Convex
</taxonomicName>
to rather inflated, solid, inequivalve, slightly equilateral, suborbicular to elongate, attains
<quantity id="3D0B9B00FF935415FDDBFB180582FB46" box="[554,650,1230,1255]" metricMagnitude="-1" metricUnit="m" metricValue="1.0" pageId="5" pageNumber="268" unit="mm" value="100.0">100 mm</quantity>
in height, valves with preradial granulated microsculpture, macrosculpture commonly of regularly spaced, solid radial costae with spines, flanked with secondary costellae, antimarginal and/or divaricating interstitial microsculpture, byssal notch deep, ctenolium well developed.
</paragraph>
<paragraph id="FA4C36E5FF935415FF21FA98068DF9A6" blockId="5.[181,1142,206,1671]" pageId="5" pageNumber="268">
<taxonomicName id="3DF34D66FF935415FF21FA9806C2FAC6" authority=": Convex" authorityName="Convex" box="[208,458,1358,1383]" class="Bivalvia" family="Pectinidae" genus="Aequipecten" kingdom="Animalia" order="Pectinida" pageId="5" pageNumber="268" phylum="Mollusca" rank="genus">
<emphasis id="C887EAF7FF935415FF21FA980656FAC7" box="[208,350,1358,1382]" italics="true" pageId="5" pageNumber="268">Aequipecten</emphasis>
: Convex
</taxonomicName>
to rather inflated, solid, inequivalve, slightly equilateral, orbicular to suborbicular, attains
<quantity id="3D0B9B00FF935415FDC2FAB8058DFA26" box="[563,645,1390,1415]" metricMagnitude="-2" metricUnit="m" metricValue="8.0" pageId="5" pageNumber="268" unit="mm" value="80.0">80 mm</quantity>
in height, valves with preradial granulated microsculpture, macrosculpture of regularly spaced, radial costae, in early radial stage ventrally concave commarginal lamellae on rib flanks, auricles unequal in size, interstitial shagreened or ‘herringbone’ microsculpture lacking, byssal notch moderately deep, ctenolium present.
</paragraph>
<paragraph id="FA4C36E5FF935415FF21F9D805E3F926" blockId="5.[181,1142,206,1671]" pageId="5" pageNumber="268">
<taxonomicName id="3DF34D66FF935415FF21F9D806A1F986" authority=": Very" authorityName="Very" box="[208,425,1550,1575]" class="Bivalvia" family="Pectinidae" genus="Cryptopecten" kingdom="Animalia" order="Pectinida" pageId="5" pageNumber="268" phylum="Mollusca" rank="genus">
<emphasis id="C887EAF7FF935415FF21F9D8066FF987" box="[208,359,1550,1574]" italics="true" pageId="5" pageNumber="268">Cryptopecten</emphasis>
: Very
</taxonomicName>
variable in convexity, solid, inequivalve, inequilateral, orbicular to suborbicular, attains
<quantity id="3D0B9B00FF935415FE4FF9F80506F9E6" box="[446,526,1582,1607]" metricMagnitude="-2" metricUnit="m" metricValue="3.0" pageId="5" pageNumber="268" unit="mm" value="30.0">30 mm</quantity>
in height, valves with 12–25 radial costae, commonly lamellose, interspaces with delicate imbricated scales, auricles unequal in size, byssal notch moderately deep, ctenolium well developed.
</paragraph>
<paragraph id="FA4C36E5FF905416FF5BFF1806F3FEC6" blockId="6.[144,1104,206,519]" pageId="6" pageNumber="269">
<taxonomicName id="3DF34D66FF905416FF5BFF180645FF46" authority=": Left" authorityName="Left" box="[170,333,206,231]" class="Bivalvia" family="Pectinidae" genus="Haumea" kingdom="Animalia" order="Pectinida" pageId="6" pageNumber="269" phylum="Mollusca" rank="genus">
<emphasis id="C887EAF7FF905416FF5BFF180604FF47" box="[170,268,206,230]" italics="true" pageId="6" pageNumber="269">Haumea</emphasis>
: Left
</taxonomicName>
valve flattened and right valve strongly convex, solid, equilateral to inequilateral, nearly orbicular, attains
<quantity id="3D0B9B00FF905416FD7EFF3805ECFEA6" box="[655,740,238,263]" metricMagnitude="-2" metricUnit="m" metricValue="3.0" pageId="6" pageNumber="269" unit="mm" value="30.0">30 mm</quantity>
in height, macrosculpture of regularly spaced radial lirae, delicate closely spaced commarginal lamellae throughout ontogeny, auricles moderately small and nearly equal in size, byssal notch deep, ctenolium present.
</paragraph>
<paragraph id="FA4C36E5FF905416FF5BFEB804ACFDA6" blockId="6.[144,1104,206,519]" pageId="6" pageNumber="269">
<taxonomicName id="3DF34D66FF905416FF5BFEB80683FE26" authority=": Rather" authorityName="Rather" box="[170,395,366,391]" class="Bivalvia" family="Pectinidae" genus="Volachlamys" kingdom="Animalia" order="Pectinida" pageId="6" pageNumber="269" phylum="Mollusca" rank="genus">
<emphasis id="C887EAF7FF905416FF5BFEB8063DFE27" box="[170,309,366,390]" italics="true" pageId="6" pageNumber="269">Volachlamys</emphasis>
: Rather
</taxonomicName>
flattened, convex, solid, inequivalve, nearly equilateral, orbicular to suborbicular, attains
<quantity id="3D0B9B00FF905416FE60FE5806D6FE06" box="[401,478,398,423]" metricMagnitude="-2" metricUnit="m" metricValue="6.0" pageId="6" pageNumber="269" unit="mm" value="60.0">60 mm</quantity>
in height, macrosculpture of regularly spaced prominent radial lirae and commarginal lamellae throughout ontogeny, intercalated imbricate microsculpture in early radial stage, weak intercalated radial microsculpture in late ontogeny (also lacking), byssal notch deep, ctenolium well developed.
</paragraph>
</subSubSection>
</treatment>
</document>
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