O. S. Tattersall, 1955
Body robust, sigmoid in lateral view.
Carapace with 2 prominent protuberances along mid-dorsal line posterior to cervical sulcus, anterior one considerably larger than posterior.
Antennal scale oval, 2.5 times as long as broad.
Telson linguiform; lateral margin with 9-10 small spines; apex with 2 pairs of short spines.
Ref.: O. S. Tattersall (1955).