Takeda, M. and Y. Tamura (1983) Coral-inhabiting Crabs of the Family Hapalocarcinidae from Japan A Small Collection made at Kushimoto and Koza, Kii Peninsula IX. Bulletin of the National Science Museum, Tokyo, series A (Zoology) A (Zoology). 9: 1–12. PDF is 36MB (also available in 3 parts)