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<document id="DF9F7C3F1C2E3943633C185D3A322CC2" ID-CLB-Dataset="28790" ID-DOI="http://dx.doi.org/10.3897/zookeys.799.25829" ID-GBIF-Dataset="71498526-2056-4d92-bce1-3c74925aa68c" ID-PMC="PMC6281702" ID-Pensoft-Pub="1313-2970-799-1" ID-PubMed="30532615" ID-ZooBank="EA97411336B64F57BD7FDFA7B6A3F247" ModsDocAuthor="" ModsDocDate="2018" ModsDocID="1313-2970-799-1" ModsDocOrigin="ZooKeys 799" ModsDocTitle="The Ashtamudi Lake short-neck clam: re-assigned to the genus Marcia H. Adams &amp; A. Adams, 1857 (Bivalvia, Veneridae)" checkinTime="1543455915969" checkinUser="pensoft" docAuthor="Arathi, Anitha R., Oliver, P. Graham, Ravinesh, Raveendhiran &amp; Kumar, Appukuttannair Biju" docDate="2018" docId="730F66647BE8025F5EB2E12BE4CBF4EE" docLanguage="en" docName="ZooKeys 799: 1-20" docOrigin="ZooKeys 799" docSource="http://dx.doi.org/10.3897/zookeys.799.25829" docTitle="Marcia recens Holten 1802" docType="treatment" docVersion="6" lastPageNumber="9" masterDocId="3B30FFBBD969FF8F024CFFADFF920256" masterDocTitle="The Ashtamudi Lake short-neck clam: re-assigned to the genus Marcia H. Adams &amp; A. Adams, 1857 (Bivalvia, Veneridae)" masterLastPageNumber="20" masterPageNumber="1" originalUpdateDomain="Boston" originalUpdateTime="1543455915969" originalUpdateUser="pensoft" pageNumber="5" updateTime="1701384193394" updateUser="ExternalLinkService">
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<mods:title id="48B8776C424BC5AD0C3032AF79537981">The Ashtamudi Lake short-neck clam: re-assigned to the genus Marcia H. Adams &amp; A. Adams, 1857 (Bivalvia, Veneridae)</mods:title>
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<mods:namePart id="60D4F1883364683927DD389115039043">Arathi, Anitha R.</mods:namePart>
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<mods:namePart id="3C03331383B9AF54400B187C38002056">Oliver, P. Graham</mods:namePart>
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<mods:namePart id="056C4F0B5AF075BBE728B6ADD0D84EF8">Ravinesh, Raveendhiran</mods:namePart>
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<mods:namePart id="E813F7DDE2450440BB6E85A017C0915A">Kumar, Appukuttannair Biju</mods:namePart>
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<subSubSection id="AEC7E8A50F434680305A0ECE2C94390F" pageId="4" pageNumber="5" type="nomenclature">
<paragraph id="C4A4FFC38E281E6D0164AEECD48F191A" pageId="4" pageNumber="5">
<taxonomicName id="EC9E8C4CB87005E80F82B74AE97906A1" ID-CoL="3Y2ZT" authority="Holten, 1802" authorityName="Holten" authorityYear="1802" class="Bivalvia" family="Veneridae" genus="Marcia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Marcia recens" order="Venerida" pageId="4" pageNumber="5" phylum="Mollusca" rank="species" species="recens">Marcia recens (Holten, 1802)</taxonomicName>
Figures 4, 5, 6, 7, 8, 9
</paragraph>
</subSubSection>
<subSubSection id="9456D80704BD9CCCD2C83527032C6848" pageId="5" pageNumber="6" type="original combination">
<paragraph id="8533792E67021741C8AA1270A89F69D0" pageId="5" pageNumber="6">
<pageBreakToken id="A19BD109C0B1A554CF264CBBDE2A93BC" pageId="5" pageNumber="6" start="start">Original</pageBreakToken>
combination.
</paragraph>
<paragraph id="EF8824DB1DD125494CB43794D780240F" pageId="5" pageNumber="6">
<taxonomicName id="D42B93F2C55B32E33195188FC197239C" class="Bivalvia" family="Veneridae" genus="Venus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Venus recens" order="Venerida" pageId="5" pageNumber="6" phylum="Mollusca" rank="species" species="recens">Venus recens</taxonomicName>
Holten, 1802
</paragraph>
</subSubSection>
<subSubSection id="75BBCB7A3A87E05EFD5DFC75E2291D13" pageId="5" pageNumber="6" type="synonyms">
<paragraph id="DA419A77CF13F6F4EF108F7BD96E2C18" pageId="5" pageNumber="6">Synonyms.</paragraph>
<paragraph id="23A976C5A27C74C203A68104A654D73E" pageId="5" pageNumber="6">
(from
<bibRefCitation id="8A0544DA6EF5FA2E74680899383DCC49" author="Mohamed, KS" journalOrPublisher="Central Marine Fisheries Research Institute, India, Special Publication No 114" pageId="17" pageNumber="18" url="http://marinespecies.org/aphia.php?p=taxdetails&amp;id=507770" year="2018 c">MolluscaBase 2018c</bibRefCitation>
)
<taxonomicName id="949D2827F49F12A1FB59D8580A99B0CD" class="Bivalvia" family="Veneridae" genus="Venus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Venus marmorata" order="Venerida" pageId="5" pageNumber="6" phylum="Mollusca" rank="species" species="marmorata">Venus marmorata</taxonomicName>
Lamarck, 1818;
<taxonomicName id="04CC0D2404DA58EE54271D9C19E48F7F" class="Bivalvia" family="Veneridae" genus="Venus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Venus interrupta" order="Venerida" pageId="5" pageNumber="6" phylum="Mollusca" rank="species" species="interrupta">Venus interrupta</taxonomicName>
Koch in Philippi, 1849;
<taxonomicName id="F2254F550FBE58C602D267E3A60C78CF" class="Bivalvia" family="Veneridae" genus="Tapes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tapes laterisulca" order="Venerida" pageId="5" pageNumber="6" phylum="Mollusca" rank="species" species="laterisulca">Tapes laterisulca</taxonomicName>
G. B. Sowerby II, 1852;
<taxonomicName id="D7799C326A49C1C8E1F10E6BB8B3A920" class="Bivalvia" family="Veneridae" genus="Tapes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tapes bicolorata" order="Venerida" pageId="5" pageNumber="6" phylum="Mollusca" rank="species" species="bicolorata">Tapes bicolorata</taxonomicName>
Reeve, 1864;
<taxonomicName id="EB133A3F6042E802EA95CE3F0BCF775F" class="Bivalvia" family="Veneridae" genus="Tapes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tapes ferruginea" order="Venerida" pageId="5" pageNumber="6" phylum="Mollusca" rank="species" species="ferruginea">Tapes ferruginea</taxonomicName>
Reeve, 1864;
<taxonomicName id="AF8C080099202971C2EB9B6EC2B3BA1D" class="Bivalvia" family="Veneridae" genus="Tapes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tapes occidentalis" order="Venerida" pageId="5" pageNumber="6" phylum="Mollusca" rank="species" species="occidentalis">Tapes occidentalis</taxonomicName>
Reeve, 1864;
<taxonomicName id="D09283812312E03EB1438739E9C20DE4" class="Bivalvia" family="Veneridae" genus="Tapes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tapes orientalis" order="Venerida" pageId="5" pageNumber="6" phylum="Mollusca" rank="species" species="orientalis">Tapes orientalis</taxonomicName>
Reeve, 1864;
<taxonomicName id="4E8615505732CCCB567956524FC347D4" class="Bivalvia" family="Veneridae" genus="Tapes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tapes sinensis" order="Venerida" pageId="5" pageNumber="6" phylum="Mollusca" rank="species" species="sinensis">Tapes sinensis</taxonomicName>
Reeve, 1864;
<taxonomicName id="3C061A0C09D12278D2C3A2158BD89F82" class="Bivalvia" family="Veneridae" genus="Hemitapes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hemitapes dohrni" order="Venerida" pageId="5" pageNumber="6" phylum="Mollusca" rank="species" species="dohrni">Hemitapes dohrni</taxonomicName>
<normalizedToken id="B2AADD2B3DA4611AFE52176C9CD8B603" originalValue="Römer">Roemer</normalizedToken>
, 1870;
<taxonomicName id="905B656CB9F7A23237E29FCC431D5B20" class="Bivalvia" family="Veneridae" genus="Tapes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tapes exserta" order="Venerida" pageId="5" pageNumber="6" phylum="Mollusca" rank="species" species="exserta">Tapes exserta</taxonomicName>
<normalizedToken id="2680CC6CFDBD0580A74DBB090334BD90" originalValue="Römer">Roemer</normalizedToken>
, 1872.
</paragraph>
</subSubSection>
<subSubSection id="D1C439CEB2F46DC76BB7E8F400E908E0" pageId="5" pageNumber="6" type="type locality">
<paragraph id="05F3A7787D3564AB28BB81BFC3C7D720" pageId="5" pageNumber="6">Type locality.</paragraph>
<paragraph id="E93A976798B1CC58810C23049AA9B55A" pageId="5" pageNumber="6">
<bibRefCitation id="9AABEF4E53267EFBDE40DF8334B090A4" author="Chemnitz, JH" journalOrPublisher="Gabriel Nicolaus Raspe, Nuernberg" pageId="16" pageNumber="17" title="Neuessystem atischen Conchylien Cabinet. vol. 11." url="https://doi.org/10.5962/bhl.title.120155" year="1795">Chemnitz (1795</bibRefCitation>
: 229) gives the type locality as Tuticorin on the Coromandel coast.
</paragraph>
</subSubSection>
<subSubSection id="86826701D828AD3049978A5952307233" pageId="5" pageNumber="6" type="materials_examined">
<paragraph id="AE294A5DC9EB9C5AF92327E492C0A9C3" pageId="5" pageNumber="6">Material examined.</paragraph>
<paragraph id="3CC1C558EAD9ED63B5F28939288DA8ED" pageId="5" pageNumber="6">
Tuticorin, 42 live collected specimens: Ashtamudi Lake, 217 live collected specimens: Mumbai (Bombay), Maharashtra, 6 empty articulated shells, as
<taxonomicName id="91308B2C90E64CD76444034849F59054" class="Bivalvia" family="Veneridae" genus="Tapes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tapes marmorata" order="Venerida" pageId="5" pageNumber="6" phylum="Mollusca" rank="species" species="marmorata">Tapes marmorata</taxonomicName>
Lamarck, leg. J. C. Melvill, NMW 1955.158: Thalassery (Tellicherry), Northern Kerala, 4 empty articulated shells, as
<taxonomicName id="A0A0DE0B6E080BB202A640E13742AE29" class="Bivalvia" family="Veneridae" genus="Hemitapes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hemitapes marmorata" order="Venerida" pageId="5" pageNumber="6" phylum="Mollusca" rank="species" species="marmorata">Hemitapes marmorata</taxonomicName>
Lamarck, coll. H. C. Winckworth, 1931, NMW. 1955.158
</paragraph>
</subSubSection>
<subSubSection id="956C81BB8DB39E61A198E179C3303512" pageId="5" pageNumber="6" type="description">
<paragraph id="FFF64D6A20BFDE74624B8F18D1B6F149" pageId="5" pageNumber="6">Measurements.</paragraph>
<paragraph id="79C7769E275CB7279040994990B0D05F" pageId="5" pageNumber="6">Shells from Ashtamudi Lake and Tuticorin ranged in length from 12 to 51 mm. More detailed measurements are given for the morphotypes described below.</paragraph>
</subSubSection>
<subSubSection id="BD2972B1EFEFF024C83EB8684CD04352" lastPageId="6" lastPageNumber="7" pageId="5" pageNumber="6" type="description">
<paragraph id="5811B6E2F2E4FE7EDEF01C3FE38BC226" pageId="5" pageNumber="6">Description.</paragraph>
<paragraph id="D4D3AC0D2374BE263142F533D39BBFE3" pageId="5" pageNumber="6">Shell robust, moderately thick, moderately inflated. Outline elongate subovate, inequilateral, beaks in front of midline. Lunule flattened, not well defined. Escutcheon weakly defined. Shell surface slightly glossy; sculpture commarginal, of weak lines and growth stops, some with more defined ridges especially over anterior area. Muscle scars weakly heteromyarian, posterior larger. Pallial sinus horizontally aligned, broadly rounded extending to one third of shell length. External colouration highly variable and variously patterned, cream, red, white or brown and patterned with 3-4 black radiating rays, or darker trigonal blotches over a light ground or with anastomosing narrow radial rays. Internal colouration white, some with pinkish umbonal cavity.</paragraph>
<paragraph id="C4674990362AA0B402C0E513B7C8DC7E" pageId="5" pageNumber="6">
Variability The type locality of
<taxonomicName id="13236848D62B72A272FB889544F89598" lsidName="M. recens" pageId="5" pageNumber="6" rank="species" species="recens">M. recens</taxonomicName>
is given as Tuticorin but without any further precision. Shells collected for this study from Tuticorin can be considered to come from the type locality and are given topotype status.
</paragraph>
<paragraph id="EEB91263E93758CEC58697CD718F16CB" pageId="5" pageNumber="6">Topotypes (Figure 4) Outline ovate-elongate. Yellowish brown with darker radial bands and umbonal blotching. Sample size 30 shells. Shell length range 31.2-54.4 mm, mean L/H = 1.3, mean L/B = 2.1.</paragraph>
<caption id="7074825AEA38AE95A6180592646BBD0E" pageId="5" pageNumber="6">
<paragraph id="6E5177FAE43D18D26D220FBF7EA6CCD9" pageId="5" pageNumber="6">
Figure 4.
<taxonomicName id="E7B08A6A7214D676FA56FCE7EDB13623" class="Bivalvia" family="Veneridae" genus="Marcia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Marcia recens" order="Venerida" pageId="5" pageNumber="6" phylum="Mollusca" rank="species" species="recens">Marcia recens</taxonomicName>
Topotype A right valve dorsal B right valve ventral C dorsal margin D left valve dorsal E left valve ventral (DABFUK), Tuticorin, Tamil Nadu.
</paragraph>
</caption>
<paragraph id="A61D428FBF36009C6D9046F5EDAAD2DF" pageId="5" pageNumber="6">Shells from Ashtamudi Lake show considerable variation in shell colour and pattern and these are defined as follows.</paragraph>
<paragraph id="44D714FACD0844EDBBA2D0763D4305F7" pageId="5" pageNumber="6">
Morphotype 1 (Figure 5). Outline
<normalizedToken id="8EB262037BBD6698CF3613B87E1F55AF" originalValue="ovateelongate">ovate-elongate</normalizedToken>
. Reddish brown to light brown shells with dark brown to black radial rays. Sample size 82 shells. Shell length 15.4-45.8 mm, mean L/H = 1.4, mean L/B = 2.3.
</paragraph>
<caption id="BAFE0C545FD928D573742DEE10A185C6" pageId="5" pageNumber="6">
<paragraph id="E123570E1A8D9CA5FFCAEED9AF721205" pageId="5" pageNumber="6">
Figure 5.
<taxonomicName id="54FCE820BA1B0BCE4AE471E27A50E442" class="Bivalvia" family="Veneridae" genus="Marcia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Marcia recens" order="Venerida" pageId="5" pageNumber="6" phylum="Mollusca" rank="species" species="recens">Marcia recens</taxonomicName>
Morphotype 1 A right valve dorsal B right valve ventral C dorsal margin D left valve dorsal E left valve ventral (DABFUK), Ashtamudi Lake, Kerala.
</paragraph>
</caption>
<paragraph id="A8D60B63C9178E61B393F48BFBF8DB93" pageId="6" pageNumber="7">
<pageBreakToken id="DC1E242A3E7A607658B5A9C584D41B8F" pageId="6" pageNumber="7" start="start">Morphotype</pageBreakToken>
2 (Figure 6). Outline
<normalizedToken id="B758BD93AA57F36DB87B44345EC66F21" originalValue="ovateelongate">ovate-elongate</normalizedToken>
. White to cream shells with sparse blotching, lacking dark radial rays Sample size 75 shells. Shell Length 16.0-51.0 mm mean L/H = 1.4, mean L/B = 2.4.
</paragraph>
<caption id="6AC6CE3616B4BC23AD131E9675A8C6C3" pageId="6" pageNumber="7">
<paragraph id="9DD1EA2E892A1069C230FB2C92F9D224" pageId="6" pageNumber="7">
Figure 6.
<taxonomicName id="3D0AC8176E75315476A25A5A662ABAEF" class="Bivalvia" family="Veneridae" genus="Marcia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Marcia recens" order="Venerida" pageId="6" pageNumber="7" phylum="Mollusca" rank="species" species="recens">Marcia recens</taxonomicName>
Morphotype 2 A right valve dorsal B right valve ventral C dorsal margin D left valve dorsal E left valve ventral (DABFUK), Ashtamudi Lake, Kerala.
</paragraph>
</caption>
<paragraph id="B875505E4BC17E94AC231F01B5F4636C" pageId="6" pageNumber="7">
Morphotype 3 (Figure 7). Outline
<normalizedToken id="94A5CC7CF6CB8D6FFA35DF871A0339DC" originalValue="trigonalovate">trigonal-ovate</normalizedToken>
, inflated. Yellowish brown shells with irregular sparse blotching. Sample size 7 shells. Shell Length 29.6-38.1 mm mean L/H = 1.4, mean L/B = 2.0
</paragraph>
<caption id="DC5E374988C5BF2CD3B76312DA731A0F" pageId="6" pageNumber="7">
<paragraph id="84B7187924A0D7774A53BBE3C70D1D4C" pageId="6" pageNumber="7">
Figure 7.
<taxonomicName id="CB51AA636AC8E11A819CA3BEE3D3A440" class="Bivalvia" family="Veneridae" genus="Marcia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Marcia recens" order="Venerida" pageId="6" pageNumber="7" phylum="Mollusca" rank="species" species="recens">Marcia recens</taxonomicName>
Morphotype 3 A right valve dorsal B right valve ventral C dorsal margin D left valve dorsal E left valve ventral (DABFUK), Ashtamudi Lake, Kerala.
</paragraph>
</caption>
<paragraph id="900A0B527B0B63BAFE2E2FDA90A970C9" pageId="6" pageNumber="7">
Morphotype 4 (Figure 8). Outline
<normalizedToken id="ED5F384EEE5487FCF0ECE18C569C43A2" originalValue="ovateelongate">ovate-elongate</normalizedToken>
. White or cream shells with black blotches over lunule and escutcheon. Sample size 75 shells. Shell Length 20.7-39.3 mm, mean L/H = 1.4, mean L/B = 2.4.
</paragraph>
<caption id="97E06CBFF1306347CB778472B67E5493" pageId="6" pageNumber="7">
<paragraph id="D83298CC7D3A6D116FB3A7845C234262" pageId="6" pageNumber="7">
Figure 8.
<taxonomicName id="0E3D229FF528507D6DC31719114DA1E6" class="Bivalvia" family="Veneridae" genus="Marcia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Marcia recens" order="Venerida" pageId="6" pageNumber="7" phylum="Mollusca" rank="species" species="recens">Marcia recens</taxonomicName>
Morphotype 4 A right valve dorsal B right valve ventral C dorsal margin D left valve dorsal E left valve ventral (DABFUK), Ashtamudi Lake, Kerala.
</paragraph>
</caption>
<paragraph id="1965D007E209B5A32E721AF08ADDE38D" pageId="6" pageNumber="7">Morphotype 5 (Figure 9). Outline ovate-elongate. Cream to beige shells with prominent darker anastomosing radial zigzag streaks. Sample size 38 shells. Shell Length 12.4-43.2 mm, mean L/H = 1.4, mean L/B = 2.4.</paragraph>
<caption id="E02808C3FAB02A4D29C7176E19D1ADB1" pageId="6" pageNumber="7">
<paragraph id="1E53F5F7A639AB049F2D1C8C358B214D" pageId="6" pageNumber="7">
Figure 9.
<taxonomicName id="0159D81D2E36CD73285296C37BB899B0" class="Bivalvia" family="Veneridae" genus="Marcia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Marcia recens" order="Venerida" pageId="6" pageNumber="7" phylum="Mollusca" rank="species" species="recens">Marcia recens</taxonomicName>
Morphotype 5 A right valve dorsal B right valve ventral C dorsal margin D left valve dorsal E left valve ventral (DABFUK), Ashtamudi Lake, Kerala.
</paragraph>
</caption>
</subSubSection>
<subSubSection id="97BF524B3C50B3C2D2AA9228C419875D" lastPageId="7" lastPageNumber="8" pageId="6" pageNumber="7" type="distribution">
<paragraph id="E8AEF2DA0F625C70D246D9B72DAB484C" pageId="6" pageNumber="7">Distribution.</paragraph>
<paragraph id="FDF162F4DBF8C85840152669D7A3B772" lastPageId="7" lastPageNumber="8" pageId="6" pageNumber="7">
The type locality is recorded as Tuticorin on the Coromandel coast (
<bibRefCitation id="4D5BCB6DA9A5144DE982142C815B432C" author="Chemnitz, JH" journalOrPublisher="Gabriel Nicolaus Raspe, Nuernberg" pageId="16" pageNumber="17" title="Neuessystem atischen Conchylien Cabinet. vol. 11." url="https://doi.org/10.5962/bhl.title.120155" year="1795">Chemnitz 1795</bibRefCitation>
). The species was subsequently recorded in various localities from
<pageBreakToken id="80D20EDAC6239FA7B6A8A99BDF66654F" pageId="7" pageNumber="8" start="start">Karachi</pageBreakToken>
to the Philippines (
<bibRefCitation id="8FC9FC1552CF3065436E37F2C0DA99EA" author="Ray, HC" journalOrPublisher="Records of the Indian Museum" pageId="18" pageNumber="19" pagination="87 - 122" title="On a collection of Mollusca from the Coromandel coast of India." volume="47" year="1948">Ray 1948</bibRefCitation>
).
<bibRefCitation id="6A3E57D977F6BCC836A652994ED8C3E6" pageId="7" pageNumber="8">Huber (2010)</bibRefCitation>
records this species from the east and west coasts of India, Andaman Sea, Indonesia, Philippines, South China, Singapore, Thailand, and Hainan. Records from the northern Arabian Sea may be
<taxonomicName id="9E3DCE8936D9FB43E0300F617F55408F" class="Bivalvia" family="Veneridae" genus="Marcia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Marcia cordata" order="Venerida" pageId="7" pageNumber="8" phylum="Mollusca" rank="species" species="cordata">Marcia cordata</taxonomicName>
(
<bibRefCitation id="20A4FFA7AD59ACB66ABEEAE446259671" pageId="7" pageNumber="8">
<normalizedToken id="633E37DF746595CE5F9D5C0592882660" originalValue="Forsskål">Forsskal</normalizedToken>
in Niebuhr, 1775
</bibRefCitation>
) and the most easterly confirmed records are from Gujarat. In India
<taxonomicName id="81C0207AF973C05D5D3DF97BB9CCD3E3" class="Bivalvia" family="Veneridae" genus="Marcia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Marcia recens" order="Venerida" pageId="7" pageNumber="8" phylum="Mollusca" rank="species" species="recens">Marcia recens</taxonomicName>
is recorded from the states of Goa, Gujarat, Karnataka, Kerala, Maharashtra, Odisha, and Tamil Nadu (
<bibRefCitation id="8F257B139326837E2272594BDFA6A739" pageId="7" pageNumber="8">Ramakrishna and Dey 2010</bibRefCitation>
,
<bibRefCitation id="D42566D005559DDBDB4B4CF8E92B27F2" author="Subba Rao, NV" journalOrPublisher="Zoological Survey of India, Kolkata" pageId="18" pageNumber="19" title="Indian Seashells, Part B Bivalvia." year="2017">Subba Rao 2017</bibRefCitation>
) as a commonly available, commercially exploited edible clam (
<bibRefCitation id="E9FD1D162CE5A8918D9C81E5C9D20E56" pageId="7" pageNumber="8">Alagarswami and Narasimham 1973</bibRefCitation>
,
<bibRefCitation id="2679C1D3087AF2A647EDB96883510883" author="Durve, VS" journalOrPublisher="Records of Zoological Survey of India" pageId="17" pageNumber="18" pagination="421 - 429" title="Commercial marine molluscs of India and the need for their survey." volume="68" year="1975">Durve 1975</bibRefCitation>
,
<bibRefCitation id="BE0BDB51D2A8FEA12A64B1D538880A90" author="Narasimham, KA" journalOrPublisher="Journal of Marine Biological Association of India" pageId="18" pageNumber="19" pagination="76 - 88" title="Present status of clam fisheries of India." volume="30" year="1991">Narasimham 1991</bibRefCitation>
). The presence of this species in estuaries was recorded by
<bibRefCitation id="257F53A823366D301718BC6CA57D62C1" author="Ray, HC" journalOrPublisher="Records of the Indian Museum" pageId="18" pageNumber="19" pagination="87 - 122" title="On a collection of Mollusca from the Coromandel coast of India." volume="47" year="1948">Ray (1948)</bibRefCitation>
,
<bibRefCitation id="832BFF5914121B345E6AD8D8CF9989A9" pageId="7" pageNumber="8">Huber (2010)</bibRefCitation>
, and
<bibRefCitation id="18AC3A05E320142A705F076687306F20" author="Pati, P" journalOrPublisher="Records of Zoological Survey of India" pageId="18" pageNumber="19" pagination="229 - 254" title="On some mollusca collections from different beaches of south Odisha coast of India." volume="113" year="2013">Pati and Panigrahy (2013)</bibRefCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="CE236A52C9B339FFDC01C2D2934A452F" lastPageId="8" lastPageNumber="9" pageId="7" pageNumber="8" type="remarks">
<paragraph id="47F67DEE02E5C34025BFD2BFA0AE09D0" pageId="7" pageNumber="8">Remarks.</paragraph>
<paragraph id="3017AEB3399AF0BD3DDBE7D24D30509D" pageId="7" pageNumber="8">
The species was originally described by
<bibRefCitation id="9BCC21FBD7599B7B9FD0B26DE84C0D5D" author="Chemnitz, JH" journalOrPublisher="Gabriel Nicolaus Raspe, Nuernberg" pageId="16" pageNumber="17" title="Neuessystem atischen Conchylien Cabinet. vol. 11." url="https://doi.org/10.5962/bhl.title.120155" year="1795">Chemnitz (1795)</bibRefCitation>
and made available as
<taxonomicName id="B6FC3307ECE47C1C63C36514C1F9607B" class="Bivalvia" family="Veneridae" genus="Venus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Venus recens" order="Venerida" pageId="7" pageNumber="8" phylum="Mollusca" rank="species" species="recens">Venus recens</taxonomicName>
by
<bibRefCitation id="DBD5494E99D4B79F859C2260B8991FEA" pageId="7" pageNumber="8">Holten (1802)</bibRefCitation>
.
<taxonomicName id="452DC99D69DE426047710C37D0743EC4" class="Bivalvia" family="Veneridae" genus="Venus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Venus marmorata" order="Venerida" pageId="7" pageNumber="8" phylum="Mollusca" rank="species" species="marmorata">Venus marmorata</taxonomicName>
Lamarck, 1818 is generally regarded as a synonym (
<bibRefCitation id="427BD904DBF371B1F91C00184D8A958E" author="Fischer-Piette, E" journalOrPublisher="A zoologie" pageId="17" pageNumber="18" pagination="1 - 106" title="Revision des Tapetinae (Mollusques bivalves) Memoirs du MNHN, Paris, ser." volume="71" year="1971">Fischer-Piette and Metivier 1971</bibRefCitation>
;
<bibRefCitation id="588E53C2098F8D522C5C96DBEEA72F82" pageId="7" pageNumber="8">Huber 2010</bibRefCitation>
) despite the type locality given by Lamarck as 'southern
<normalizedToken id="C59F556D85AA27DF397E92F743C06F88" originalValue="Europe">Europe'</normalizedToken>
. Examination of the type material in the Geneva Museum of Natural History (MHNG-MOLL-504213) supports the synonymy.
</paragraph>
<paragraph id="560177D3B4980BB016853E654A1090D7" pageId="8" pageNumber="9">
<pageBreakToken id="D72C07B0C5C9F4460BCC5D837A936FE9" pageId="8" pageNumber="9" start="start">The</pageBreakToken>
morphotypes differ primarily in colour pattern with some variation in relative timidity as shown by the L/B ratios that vary from 2.0 to 2.4. This ratio is distinctly different from the 1.6 for
<taxonomicName id="E5640BD45E14A91DEFE7B5A45A55536E" lsidName="M. opima" pageId="8" pageNumber="9" rank="species" species="opima">M. opima</taxonomicName>
. The sampling regime was not precise enough to distinguish if there was any relationship between morphotype and distribution.
</paragraph>
</subSubSection>
</treatment>
</document>