Box plots of the ratios of four parameters for shell shape in five populations of Indosphenia. a length to height b posterior length to anterior length c length to tumidity d height to tumidity. Abbreviations: abb, typical I. abbreviata in lot NHMUK 20170342. abb var, I. abbreviata variations in lots NHMUK20170343, NHMUK 91.9.19.20.& NHMUK 88.12.4.703. kayal, I. kayalum. sow ad, I. sowerbyi from Adyar. sow co, I. sowerbyi from Cooum.

 
 
  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