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Additional Record of Oxyperas lentiginosum (Gould 1852) (Bivalvia, Mactridae) from East Coast of India and Notes on its Morpho-taxonomy

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Oxyperas lentiginosum (Gould In: United States Exploring Expedition during the years 1838, 1839, 1840, 1841, 1842 under the command of Charles Wilkes. Boston 12:1–510 1852), a rare mactrid clam, is reported from the Kakinada fishing harbour, Andhra Pradesh, East coast of India. A single right valve specimen was collected from the fish landing centre, bycatch of bottom trawl operated off the Kakinada coast. This species has previously been recorded from Pirotan Island, Gulf of Kachchh, Gujarat, and Gulf of Mannar, Tuticorin, Tamil Nadu. A brief morphological description with an outline of the hinge nomenclature of this species is presented in this article, based on a single right valve. This is additional report of this species from Indian region.

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Maximum height of the shell


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Marine Aquarium and Regional Centre, Zoological Survey of India, Digha (when citing the collection of Digha centre)


Muséum national d’Histoire Naturelle, Paris (France)


National Zoological Collections of the Zoological Survey of India


World Register of Marine Species


Zoological Survey of India (Kolkata, India)


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The authors are sincerely thankful to Dr. Dhriti Banerjee, Director, Zoological Survey of India, for support and made available to laboratory facility and a specimen. Our thanks are to Shri Sukanta Ghosh, Laboratory Assistant, for support in retrieving the NZC of MARC, Digha. Our special thanks to Biodiversity Heritage Library (BHL) for making available the old literature. Author SS is supported by a ZSI (Zoological Survey of India) Post-Doctoral Research Fellowship.

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Anil Mohapatra, Prasad Chandra Tudu designed and conducted the survey, Prasad Chandra Tudu examined and identified the specimen and prepared the original draft of manuscript, Sheikh Sajan, Laxman Kumar Murmu, S. Balakrishnan prepared the illustration and revised the draft copy of manuscript. All authors verified and approved the final version of manuscript.

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Correspondence to Prasad Chandra Tudu.

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Tudu, P.C., Sajan, S., Murmu, L.K. et al. Additional Record of Oxyperas lentiginosum (Gould 1852) (Bivalvia, Mactridae) from East Coast of India and Notes on its Morpho-taxonomy. Thalassas 38, 1269–1273 (2022).

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