F in The freshwater prawns of the genus Macrobrachium Bate, 1868, of Thailand (Crustacea: Decapoda: Palaemonidae)

F. 13. Macrobrachium assamense (W, cl 18 mm, CU, Lampang, Tak, west Thailand, coll. P. Naiyanetr). (A) Cephalothorax; (B) first pereiopod; (C) second pereiopod; (D) chela of second pereiopod; (E) third pereiopod; (F) propodus and dactylus of second pereiopod. Scales: (A, C) 5 mm; (B, D, E) 2 mm; (F) 1 mm.