(ofPotamon (Potamon) sphaeridium Kemp, 1923)Kemp, S. (1923). On a collection of river crabs from Siam and Annam. <em>Journal of the Natural History Society of Siam.</em> 6(1): 1-42, pls. 1-4.[details]
original description(ofPotamon (Potamon) sphaeridium Kemp, 1923)Kemp, S. (1923). On a collection of river crabs from Siam and Annam. <em>Journal of the Natural History Society of Siam.</em> 6(1): 1-42, pls. 1-4.[details]