Teretamon Yeo & Ng, 2007

Absar, Parveen Farzana, Mitra, Santanu & Kharkongor, Ilona Jacinta, 2017, Teretamon spelaeum, a new species of freshwater crab (Crustacea: Decapoda: Potamidae) from a limestone cave in Meghalaya, India, Zootaxa 4365 (3), pp. 302-310 : 309

Key to species of Teretamon Yeo & Ng, 2007

1. Carapace without epibranchial tooth. Carpal spine broad, blunt. G1 terminal segment with distinctly triangular dorsal flap.................................................................................. T. adiatretum Alcock, 1909

- Carapace with or without epibranchial tooth. Carpal spine sharp. G1 terminal segment with low broad, rounded and curved dorsal flap........................................................................................... 2

2. Cornea of the eye almost obsolete, reduced to small dot, eyestalk triangular, base widest. Carapace unpigmented in life. Chelipeds and ambulatory legs setose. G1 terminal segment uniformly broad............................. T. spelaeum n. sp.

- Cornea distinct, eyestalk evenly cylindrical. Carapace brownish in life. Chelipeds almost glabrous, ambulatory legs with only short bristles. G1 terminal segment gradually tapering towards distal end....................... T. indicum Mitra, 2017