Three New distributional records of Pen Shells (Bivalvia: Pinnidae) from Seagrass beds of Palk Bay Area in Tamil Nadu

Published 25-01-2023
Section Research Articles

Authors

  • Chelladurai Stella Department of Oceanography and Coastal Area Studies ,Alagappa University,Thondi Campus-623409,Tamil Nadu ,India
  • Packiam Paul Department of Oceanography and Coastal Area Studies ,Alagappa University,Thondi Campus-623409,Tamil Nadu ,India
  • Chelladurai Ragunathan Zoological Survey of India ,Andaman and Nicobar Island Regional centre, Port Blair, 744102,Andaman and Nicobar Island

DOI:

https://doi.org/10.7770/safer-V3N1-art881

Abstract

The new occurrence of Three species of bivalves from Pinnidae family is recorded for the first time from Palk Bay area based on a live and dead shells collected from the Intertidal area . All the three species are under the family of Pinnidae, Pinna bicolor, Pinna deltodes and Pinna incurva . In seagrass bed of Thondi Coast, all the species of Pen shells Pinna bicolor, Pinna deltodes and Pinna incurva were embedded in muddy sand and found associated with seagrasses at inter-tidal area. It was also found buried in hard substratum associated with living zoanthids and soft coral. The collected specimens were identified as, (1) Pinna bicolor, (2) Pinna deltodes and (3) Pinna Incurva by using both morphometric and meristic characters. The paper described the taxonomic status and the description of the three species of bivalves collected from Palk Bay areas.

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