Order: Crassatelloidea
| Family | Subfamily | Genus | Species | Occurrence | Authority | Contributors |
|---|---|---|---|---|---|---|
| Crssatellidae | Crassatellinae | Bathytormus | jousseaume | Andhra pradesh (Visakhapatnam) | (E. Lamy, 1919) | Subba Rao, N.V. |
| Crssatellidae | Crassatellinae | Bathytormus | radiatus | Tamil nadu, Andhra Pradesh, Andaman Islands | (G.B. Sowerby I, 1825) | Subba Rao, N.V. |
| Crssatellidae | Crassatellinae | Crenocrassatella | rostrata | Tamil Nadu (Pamban), Andhra Pradesh, (Mahalakshmipuram near Nellore, Kottapatnam near Ongole), Andamans | (J.B.P. de M. Lamarck, 1805) | Subba Rao, N.V. |