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<document id="1684622A7C1A54958A3C8310587EE035" 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="725A87F3FF9B541EFE43FC8C0549FD5E" docLanguage="en" docName="AfrInvertebr.42.1.263321.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="Decatopecten amiculum" docType="treatment" docVersion="5" lastPageNumber="277" masterDocId="8E63FF8BFF965410FFF1FFD60708FFA1" masterDocTitle="The family Pectinidae in South Africa and Mozambique (Mollusca: Bivalvia: Pectinoidea)" masterLastPageNumber="321" masterPageNumber="263" pageNumber="276" updateTime="1699498554220" updateUser="plazi" zenodo-license-document="CC-BY-4.0">
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<mods:title id="252BE6C2FECF5DB0EF5EB0F7988EA7E6">The family Pectinidae in South Africa and Mozambique (Mollusca: Bivalvia: Pectinoidea)</mods:title>
</mods:titleInfo>
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<mods:namePart id="9E28D2EEE7ACE8F5062E5079678460F0">Dijkstra, H. H.</mods:namePart>
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<mods:namePart id="62CCBB4F6EA476D9D0DEE785AA6FB404">Kilburn, R. N.</mods:namePart>
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<mods:titleInfo id="6B69C7A036EF0DCAF5061CEB0F985D02">
<mods:title id="0FB13536BFD9D17957E44E98A9783178">African Invertebrates</mods:title>
</mods:titleInfo>
<mods:part id="D2C99DCD96B288DF60670F61190F4257">
<mods:date id="75461505FA1125C40BB2F3CF88F165C4">2001</mods:date>
<mods:detail id="DF7E8D43EBB079EEF705D27980F4B1CC" type="pubDate">
<mods:number id="677427A74B1FE89CFB20FC3C084732C7">2001-12-31</mods:number>
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<mods:number id="812A2F9BB1876C06C26FFF731CA4F9D7">42</mods:number>
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<mods:identifier id="6CD58CA773570E8A500ABBC6BC29E571" type="DOI">10.5281/zenodo.7910445</mods:identifier>
<mods:identifier id="9D2DF0ED23ABA160CC7E2769F20B89BD" type="ISSN">2305-2562</mods:identifier>
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<treatment id="725A87F3FF9B541EFE43FC8C0549FD5E" ID-DOI="http://doi.org/10.5281/zenodo.7910043" ID-Zenodo-Dep="7910043" LSID="urn:lsid:plazi:treatment:725A87F3FF9B541EFE43FC8C0549FD5E" httpUri="http://treatment.plazi.org/id/725A87F3FF9B541EFE43FC8C0549FD5E" lastPageId="14" lastPageNumber="277" pageId="13" pageNumber="276">
<subSubSection id="B2E9656EFF9B541DFE43FC8C05D5FC3A" pageId="13" pageNumber="276" type="nomenclature">
<paragraph id="FA4C36E5FF9B541DFE43FC8C0471FCD2" blockId="13.[181,1142,858,1667]" box="[434,889,858,883]" pageId="13" pageNumber="276">
<heading id="A1048189FF9B541DFE43FC8C0471FCD2" box="[434,889,858,883]" centered="true" fontSize="11" level="2" pageId="13" pageNumber="276" reason="3">
<taxonomicName id="3DF34D66FF9B541DFE43FC8C0471FCD2" ID-CoL="34DFX" authority="(Philippi, 1851)" baseAuthorityName="Philippi" baseAuthorityYear="1851" box="[434,889,858,883]" class="Bivalvia" family="Pectinidae" genus="Decatopecten" kingdom="Animalia" order="Pectinida" pageId="13" pageNumber="276" phylum="Mollusca" rank="species" species="amiculum">
<emphasis id="C887EAF7FF9B541DFE43FC8C05C9FCD3" box="[434,705,858,882]" italics="true" pageId="13" pageNumber="276">Decatopecten amiculum</emphasis>
(
<bibRefCitation id="9E624B14FF9B541DFD21FC8C0479FCD2" author="PHILIPPI, R. A." box="[720,881,858,883]" pageId="13" pageNumber="276" pagination="113 - 126" refId="ref37580" refString="PHILIPPI, R. A. 1851. Centuria quinta Testaceorum novorum. Zeitschrift fur Malakozoologie 8 (6): 29 - 96, 113 - 126." type="journal article" year="1851">Philippi, 1851</bibRefCitation>
)
</taxonomicName>
</heading>
</paragraph>
<paragraph id="FA4C36E5FF9B541DFDBFFC5405D5FC3A" blockId="13.[181,1142,858,1667]" box="[590,733,898,923]" pageId="13" pageNumber="276">(Figs 1011)</paragraph>
</subSubSection>
<subSubSection id="B2E9656EFF9B541DFF44FC7F055BFC4D" pageId="13" pageNumber="276" type="reference_group">
<paragraph id="FA4C36E5FF9B541DFF44FC7F04C9FC1D" blockId="13.[181,1142,858,1667]" box="[181,961,936,957]" pageId="13" pageNumber="276">
<treatmentCitationGroup id="DAE311CBFF9B541DFF44FC7F04C9FC1D" box="[181,961,936,957]" pageId="13" pageNumber="276">
<treatmentCitation id="7B5210F4FF9B541DFF44FC7F06F5FC1D" author="PHILIPPI, R. A." box="[181,509,936,957]" page="89" pageId="13" pageNumber="276" year="1851">
<taxonomicName id="3DF34D66FF9B541DFF44FC7F06F5FC1D" ID-CoL="75W72" authority="Philippi, 1851: 89" authorityName="Philippi" authorityPageNumber="89" authorityYear="1851" box="[181,509,936,957]" class="Bivalvia" family="Pectinidae" genus="Pecten" kingdom="Animalia" order="Pectinida" pageId="13" pageNumber="276" phylum="Mollusca" rank="species" species="amiculum">
<emphasis id="C887EAF7FF9B541DFF44FC7F065AFC1C" box="[181,338,937,957]" italics="true" pageId="13" pageNumber="276">Pecten amiculum</emphasis>
<materialsCitation id="4A9B3CB8FF9B541DFEA9FC7E06F5FC1D" box="[344,509,936,956]" country="Madagascar" location="Madagascar" pageId="13" pageNumber="276" specimenCount="1">
<bibRefCitation id="9E624B14FF9B541DFEA9FC7E06F5FC1D" author="PHILIPPI, R. A." box="[344,509,936,956]" pageId="13" pageNumber="276" pagination="113 - 126" refId="ref37580" refString="PHILIPPI, R. A. 1851. Centuria quinta Testaceorum novorum. Zeitschrift fur Malakozoologie 8 (6): 29 - 96, 113 - 126." type="journal article" year="1851">Philippi, 1851: 89</bibRefCitation>
</materialsCitation>
</taxonomicName>
</treatmentCitation>
.
<typeStatus id="25488847FF9B541DFDF7FC7E053BFC1D" box="[518,563,936,956]" pageId="13" pageNumber="276">Type</typeStatus>
locality:
<collectingCountry id="82E47675FF9B541DFD78FC7E05FFFC1D" box="[649,759,936,956]" name="Madagascar" pageId="13" pageNumber="276">Madagascar</collectingCountry>
(Malagasy Republic).
</treatmentCitationGroup>
</paragraph>
<paragraph id="FA4C36E5FF9B541DFF44FC17055BFC4D" blockId="13.[181,1142,858,1667]" pageId="13" pageNumber="276">
<treatmentCitationGroup id="DAE311CBFF9B541DFF44FC17055BFC4D" pageId="13" pageNumber="276">
<taxonomicName id="3DF34D66FF9B541DFF44FC17069AFC74" ID-CoL="34DFX" baseAuthorityName="Philippi" baseAuthorityYear="1851" box="[181,402,961,981]" class="Bivalvia" family="Pectinidae" genus="Decatopecten" kingdom="Animalia" order="Pectinida" pageId="13" pageNumber="276" phylum="Mollusca" rank="species" species="amiculum">
<emphasis id="C887EAF7FF9B541DFF44FC17069AFC74" box="[181,402,961,981]" italics="true" pageId="13" pageNumber="276">Decatopecten amiculum</emphasis>
</taxonomicName>
;
<treatmentCitation id="7B5210F4FF9B541DFE50FC1605B4FC75" author="Dijkstra &amp; Knudsen, J." box="[417,700,960,980]" page="55" pageId="13" pageNumber="276" year="1998">
<bibRefCitation id="9E624B14FF9B541DFE50FC1605B4FC75" author="Dijkstra &amp; Knudsen, J." box="[417,700,960,980]" pageId="13" pageNumber="276" pagination="43 - 104" refId="ref35292" refString="Dijkstra, H. H. &amp; Knudsen, J. 1998. Some Pectinoidea (Mollusca: Bivalvia: Propeamussiidae: Pectinidae) of the Red Sea. Molluscan Research 19: 43 - 104." type="journal article" year="1998">Dijkstra &amp; Knudsen, 1998: 55</bibRefCitation>
</treatmentCitation>
, pl. 5, fig. 25, pl. 9, figs 4243 (references and synonymy,
<typeStatus id="25488847FF9B541DFE8FFC0E06ADFC4D" box="[382,421,984,1004]" pageId="13" pageNumber="276">type</typeStatus>
data, distribution).
</treatmentCitationGroup>
</paragraph>
</subSubSection>
<subSubSection id="B2E9656EFF9B541EFF44FC2C0549FD5E" lastPageId="14" lastPageNumber="277" pageId="13" pageNumber="276" type="description">
<paragraph id="FA4C36E5FF9B541DFF44FC2C06FBFAF2" blockId="13.[181,1142,858,1667]" pageId="13" pageNumber="276">
Description: Shell up to
<quantity id="3D0B9B00FF9B541DFE3DFC2C0514FBB2" box="[460,540,1018,1043]" metricMagnitude="-2" metricUnit="m" metricValue="4.5" pageId="13" pageNumber="276" unit="mm" value="45.0">45 mm</quantity>
high, usually
<emphasis id="C887EAF7FF9B541DFD4FFC2C05E8FBB3" box="[702,736,1018,1042]" italics="true" pageId="13" pageNumber="276">ca.</emphasis>
<quantity id="3D0B9B00FF9B541DFD19FC2C046CFBB2" box="[744,868,1018,1043]" metricMagnitude="-2" metricUnit="m" metricValue="3.25" metricValueMax="3.5" metricValueMin="3.0" pageId="13" pageNumber="276" unit="mm" value="32.5" valueMax="35.0" valueMin="30.0">3035 mm</quantity>
, solid, suborbicular, RV slightly more convex than LV, equilateral, auricles small and subequal, umbonal angle 9095°. Both valves laterally compressed, sometimes tumid or commarginally inflated by growth interruptions, with several radial plicae (711), radially striated, also on interspaces. Microsculpture of closely spaced commarginal lamellae. Hinge small, straight. Byssal fasciole small or absent, byssal notch weak. Active ctenolium with few rudimentary teeth (to 5) on suture, sometimes absent; inactive ctenolium present. Resilifer elongate, triangular. Auricular crura strongly developed; resilial teeth weak or absent. Inner surface slightly plicated. Colour variable, whitish, creamy, yellowish or brownish with lighter or darker blotches or irregular concentric markings, sometimes almost uniform in colour; RV paler.
</paragraph>
<paragraph id="FA4C36E5FF9B541DFF44FAB405CCFADA" blockId="13.[181,1142,858,1667]" box="[181,708,1378,1403]" pageId="13" pageNumber="276">
<typeStatus id="25488847FF9B541DFF44FAB407E5FADA" box="[181,237,1378,1403]" pageId="13" pageNumber="276">Type</typeStatus>
material: see
<bibRefCitation id="9E624B14FF9B541DFE78FAB405C8FADA" author="Dijkstra &amp; Knudsen, J." box="[393,704,1378,1403]" pageId="13" pageNumber="276" pagination="43 - 104" refId="ref35292" refString="Dijkstra, H. H. &amp; Knudsen, J. 1998. Some Pectinoidea (Mollusca: Bivalvia: Propeamussiidae: Pectinidae) of the Red Sea. Molluscan Research 19: 43 - 104." type="journal article" year="1998">Dijkstra &amp; Knudsen (1998)</bibRefCitation>
.
</paragraph>
<paragraph id="FA4C36E5FF9B541EFF44FA5C052BFE66" blockId="13.[181,1142,858,1667]" lastBlockId="14.[144,1104,206,767]" lastPageId="14" lastPageNumber="277" pageId="13" pageNumber="276">
Regional data:
<collectingCountry id="82E47675FF9B541DFE9CFA5C053FFA02" box="[365,567,1418,1443]" name="Mozambique" pageId="13" pageNumber="276">MOZAMBIQUE</collectingCountry>
: Moçimboa da Praia, living (NMSA G4952: A. Ramalho); Quirimba Island, sandbanks among
<taxonomicName id="3DF34D66FF9B541DFD34FA7C048EFA63" box="[709,902,1450,1474]" class="Demospongiae" family="Microcionidae" genus="Thalassodendron" kingdom="Animalia" order="Poecilosclerida" pageId="13" pageNumber="276" phylum="Porifera" rank="genus">
<emphasis id="C887EAF7FF9B541DFD34FA7C048EFA63" box="[709,902,1450,1474]" italics="true" pageId="13" pageNumber="276">Thalassodendron</emphasis>
</taxonomicName>
(NMSA J8618: RK); Nacala, Fernão Veloso,
<quantity id="3D0B9B00FF9B541DFE39FA1C050DFA42" box="[456,517,1482,1507]" metricMagnitude="1" metricUnit="m" metricValue="1.5" pageId="13" pageNumber="276" unit="m" value="15.0">15 m</quantity>
, sandy bottom with rocks, live (HD6621); NE Nacala Bay, off Chalau, in
<taxonomicName id="3DF34D66FF9B541DFE7EFA3C0558F9A3" box="[399,592,1514,1538]" class="Demospongiae" family="Microcionidae" genus="Thalassodendron" kingdom="Animalia" order="Poecilosclerida" pageId="13" pageNumber="276" phylum="Porifera" rank="genus">
<emphasis id="C887EAF7FF9B541DFE7EFA3C0558F9A3" box="[399,592,1514,1538]" italics="true" pageId="13" pageNumber="276">Thalassodendron</emphasis>
</taxonomicName>
with gravel, dead (NMSA H4482: K. J. Grosch); Lunga Bay, off Puieirua,
<quantity id="3D0B9B00FF9B541DFE37F9DC050CF982" box="[454,516,1546,1571]" metricMagnitude="-1" metricUnit="m" metricValue="3.0" pageId="13" pageNumber="276" unit="m" value="0.3">0.3 m</quantity>
below LST, on
<taxonomicName id="3DF34D66FF9B541DFD5FF9DC0466F983" box="[686,878,1546,1570]" class="Demospongiae" family="Microcionidae" genus="Thalassodendron" kingdom="Animalia" order="Poecilosclerida" pageId="13" pageNumber="276" phylum="Porifera" rank="genus">
<emphasis id="C887EAF7FF9B541DFD5FF9DC0466F983" box="[686,878,1546,1570]" italics="true" pageId="13" pageNumber="276">Thalassodendron</emphasis>
</taxonomicName>
, gravel (NMSA H4490: K. J. Grosch); same loc., in
<taxonomicName id="3DF34D66FF9B541DFE0FF9FC05B7F9E3" box="[510,703,1578,1602]" class="Demospongiae" family="Microcionidae" genus="Thalassodendron" kingdom="Animalia" order="Poecilosclerida" pageId="13" pageNumber="276" phylum="Porifera" rank="genus">
<emphasis id="C887EAF7FF9B541DFE0FF9FC05B7F9E3" box="[510,703,1578,1602]" italics="true" pageId="13" pageNumber="276">Thalassodendron</emphasis>
</taxonomicName>
on gravel,
<quantity id="3D0B9B00FF9B541DFCB7F9FC0480F9E2" box="[838,904,1578,1603]" metricMagnitude="-1" metricUnit="m" metricValue="3.0" pageId="13" pageNumber="276" unit="m" value="0.3">0.3 m</quantity>
below LST (NMSA H4480: K. J. Grosch); Conducia Bay, dead (NMSA H4491: K. J. Grosch); SW Conducia Bay,
<quantity id="3D0B9B00FF9B541DFF1DF9BC0622F922" box="[236,298,1642,1667]" metricMagnitude="0" metricUnit="m" metricValue="1.2" pageId="13" pageNumber="276" unit="m" value="1.2">1.2 m</quantity>
below LST, in
<taxonomicName id="3DF34D66FF9B541DFE3CF9BC0584F923" box="[461,652,1642,1666]" class="Demospongiae" family="Microcionidae" genus="Thalassodendron" kingdom="Animalia" order="Poecilosclerida" pageId="13" pageNumber="276" phylum="Porifera" rank="genus">
<emphasis id="C887EAF7FF9B541DFE3CF9BC0584F923" box="[461,652,1642,1666]" italics="true" pageId="13" pageNumber="276">Thalassodendron</emphasis>
</taxonomicName>
, muddy, dead (NMSA H4479: K. J. Grosch); same loc., sandflats, on
<taxonomicName id="3DF34D66FF98541EFE6EFF180568FF47" box="[415,608,206,230]" class="Demospongiae" family="Microcionidae" genus="Thalassodendron" kingdom="Animalia" order="Poecilosclerida" pageId="14" pageNumber="277" phylum="Porifera" rank="genus">
<emphasis id="C887EAF7FF98541EFE6EFF180568FF47" box="[415,608,206,230]" italics="true" pageId="14" pageNumber="277">Thalassodendron</emphasis>
</taxonomicName>
, dead (NMSA H4475: K. J. Grosch); same loc.,
<quantity id="3D0B9B00FF98541EFF36FF38060EFEA6" box="[199,262,238,263]" metricMagnitude="0" metricUnit="m" metricValue="1.2" pageId="14" pageNumber="277" unit="m" value="1.2">1.2 m</quantity>
below LST, on small rock in
<taxonomicName id="3DF34D66FF98541EFDA1FF380419FEA7" box="[592,785,238,262]" class="Demospongiae" family="Microcionidae" genus="Thalassodendron" kingdom="Animalia" order="Poecilosclerida" pageId="14" pageNumber="277" phylum="Porifera" rank="genus">
<emphasis id="C887EAF7FF98541EFDA1FF380419FEA7" box="[592,785,238,262]" italics="true" pageId="14" pageNumber="277">Thalassodendron</emphasis>
</taxonomicName>
, dead (NMSA H4476: K. J. Grosch); Mozambique Bay, S Sancul,
<quantity id="3D0B9B00FF98541EFDC4FED80556FE86" box="[565,606,270,295]" metricMagnitude="0" metricUnit="m" metricValue="1.0" pageId="14" pageNumber="277" unit="m" value="1.0">1 m</quantity>
below LST, in
<taxonomicName id="3DF34D66FF98541EFCF4FED804CEFE87" box="[773,966,270,294]" class="Demospongiae" family="Microcionidae" genus="Thalassodendron" kingdom="Animalia" order="Poecilosclerida" pageId="14" pageNumber="277" phylum="Porifera" rank="genus">
<emphasis id="C887EAF7FF98541EFCF4FED804CEFE87" box="[773,966,270,294]" italics="true" pageId="14" pageNumber="277">Thalassodendron</emphasis>
</taxonomicName>
with gravel, dead (NMSA H4478: K. J. Grosch); Mozambique Is.,
<taxonomicName id="3DF34D66FF98541EFD15FEF804ADFEE7" box="[740,933,302,326]" class="Demospongiae" family="Microcionidae" genus="Thalassodendron" kingdom="Animalia" order="Poecilosclerida" pageId="14" pageNumber="277" phylum="Porifera" rank="genus">
<emphasis id="C887EAF7FF98541EFD15FEF804ADFEE7" box="[740,933,302,326]" italics="true" pageId="14" pageNumber="277">Thalassodendron</emphasis>
</taxonomicName>
and gravel,
<quantity id="3D0B9B00FF98541EFBDCFEF807AEFEC6" metricMagnitude="-1" metricUnit="m" metricValue="3.0" pageId="14" pageNumber="277" unit="m" value="0.3">0.3 m</quantity>
below LST (NMSA H4480: K. J. Grosch);
<collectingRegion id="3837F807FF98541EFD74FE980409FEC6" box="[645,769,334,359]" country="Mozambique" name="Inhambane" pageId="14" pageNumber="277">Inhambane</collectingRegion>
(NMSA G3761: B. J. Young).
<collectingCountry id="82E47675FF98541EFF61FEB80657FE26" box="[144,351,366,391]" name="South Africa" pageId="14" pageNumber="277">SOUTH AFRICA</collectingCountry>
:
<emphasis id="C887EAF7FF98541EFE9DFEB806D9FE27" box="[364,465,366,390]" italics="true" pageId="14" pageNumber="277">Zululand</emphasis>
(all NMSA: NMDP): off Kosi Bay,
<quantity id="3D0B9B00FF98541EFC89FEB804BDFE26" box="[888,949,366,391]" metricMagnitude="1" metricUnit="m" metricValue="4.0" pageId="14" pageNumber="277" unit="m" value="40.0">40 m</quantity>
, shell rubble, dead (D7973); SE of Kosi Bay,
<quantity id="3D0B9B00FF98541EFE1DFE58052DFE06" box="[492,549,398,423]" metricMagnitude="1" metricUnit="m" metricValue="4.0" pageId="14" pageNumber="277" unit="m" value="40.0">40 m</quantity>
, shell rubble, dead (D8138); same loc.,
<quantity id="3D0B9B00FF98541EFC28FE58031BFE06" box="[985,1043,398,423]" metricMagnitude="1" metricUnit="m" metricValue="5.0" pageId="14" pageNumber="277" unit="m" value="50.0">50 m</quantity>
, fine, slightly muddy sand, dead (D8326).
</paragraph>
<paragraph id="FA4C36E5FF98541EFF61FE0006F4FDAE" blockId="14.[144,1104,206,767]" pageId="14" pageNumber="277">
Distribution: Throughout tropical Indo-Pacific, except
<collectingRegion id="3837F807FF98541EFCF0FE00045AFE4E" box="[769,850,470,495]" country="United States of America" name="Hawaii" pageId="14" pageNumber="277">Hawaii</collectingRegion>
and Polynesia, south-western limit northern Zululand.
</paragraph>
<paragraph id="FA4C36E5FF98541EFF61FDC80650FDD6" blockId="14.[144,1104,206,767]" pageId="14" pageNumber="277">
Habitat: Living free amongst coral rubble or on muddy, sandy or muddy sand bottoms at littoral to sublittoral depths. In
<collectingCountry id="82E47675FF98541EFDFAFDE80597FDF6" box="[523,671,574,599]" name="Mozambique" pageId="14" pageNumber="277">Mozambique</collectingCountry>
often living amongst the marine grass
<taxonomicName id="3DF34D66FF98541EFF61FD880659FDD7" box="[144,337,606,630]" class="Demospongiae" family="Microcionidae" genus="Thalassodendron" kingdom="Animalia" order="Poecilosclerida" pageId="14" pageNumber="277" phylum="Porifera" rank="genus">
<emphasis id="C887EAF7FF98541EFF61FD880659FDD7" box="[144,337,606,630]" italics="true" pageId="14" pageNumber="277">Thalassodendron</emphasis>
</taxonomicName>
.
</paragraph>
<paragraph id="FA4C36E5FF98541EFF61FD500549FD5E" blockId="14.[144,1104,206,767]" pageId="14" pageNumber="277">
Remarks:
<taxonomicName id="3DF34D66FF98541EFEF5FD50069EFD3F" baseAuthorityName="Philippi" baseAuthorityYear="1851" box="[260,406,646,670]" class="Bivalvia" family="Pectinidae" genus="Decatopecten" kingdom="Animalia" order="Pectinida" pageId="14" pageNumber="277" phylum="Mollusca" rank="species" species="amiculum">
<emphasis id="C887EAF7FF98541EFEF5FD50069EFD3F" box="[260,406,646,670]" italics="true" pageId="14" pageNumber="277">D. amiculum</emphasis>
</taxonomicName>
differs from the better-known
<taxonomicName id="3DF34D66FF98541EFD0BFD50045EFD3F" authorityName="Linnaeus" authorityYear="1758" box="[762,854,646,670]" class="Bivalvia" family="Ostreidae" genus="Ostrea" kingdom="Animalia" order="Ostreida" pageId="14" pageNumber="277" phylum="Mollusca" rank="species" species="plica">
<emphasis id="C887EAF7FF98541EFD0BFD50045EFD3F" box="[762,854,646,670]" italics="true" pageId="14" pageNumber="277">D. plica</emphasis>
</taxonomicName>
(below) mainly in its more numerous (711, against 35), equally-strong radial plicae, and usually in its more compressed valves. However, radial striae and commarginal lamellae are similar. The two species appear to be syntopic.
</paragraph>
</subSubSection>
</treatment>
</document>