Hainanpotamon is a genus of freshwater crabs, containing the following species:[1][2] 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.

[3] The first available name is therefore Hainanpotamon, independently established by Dai in 1995.

[3]

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