Shell variation in Indosphenia abbreviata. a–d typical form from Port Canning, NHMUK 20170342 e, f distorted varieties from Port Canning, NHMUK 20170342 g, h syntype of Corbula alcocki Port Canning, NHMUK 1909.8.18.33 i, j syntype of Corbula gracilis , Port Canning NHMUK 1909.8.18.32 k–m syntype of Cuspidaria annandalei NMW1955.158.18922. Scale bar: 5 mm.

 
 
  Part of: Oliver PG, Hallan A, Jayachandran PR, Joseph P, Sanu VF, Bijoy Nandan S (2018) Taxonomy of myid bivalves from fragmented brackish-water habitats in India, with a description of a new genus Indosphenia (Myidae, Myoidea, Myidae). ZooKeys 799: 21-46. https://doi.org/10.3897/zookeys.799.25843