Hainanpotamon
Hainanpotamon is a genus of freshwater crabs, containing the following species:
The genus was originally described in 1975 by Dang as Orientalia but that name was a junior homonym of the mollusc genus Orientalia, established by Radoman in 1972. The first available name is therefore Hainanpotamon, independently established by Dai in 1995.