Distribution	Chinese Name 中文名稱	分布
Genus Ryukyum Ng & Shokita, 1995		琉球蟹屬
Ryukyum yaeyamense (Minei, 1973)	Ishigaki I. & Iriomote I., the Ryukyus	八重山琉球蟹	琉球石垣島、西表島

　

References

Ng, P. K., &  S. Shokita, 1995. Ryukyum, a new genus of terrestrial crab from the Ryukyu Islands (Brachyura: Potamidae). Crustacean Research 24: 1-7.

Ng, P. K. L., D. Guinot & P. J. F. Davie, 2008. Systema Brachyurorum: Part I. An annotated checklist of extant brachyuran crabs of the world. Raffles Bull. Zool. Suppl. 17: 1-296.