Taxa included

Sato, H. (1984b). Pseudoscorpions from the Ogasawara Islands. Proceedings of the Japanese Society of Systematic Zoology 28: 49–56.

Taxon
Tyrannochthonius similidentatus Sato, 1984 (Pseudoscorpiones: Chthoniidae) 50–52, figs 1–13, Tyrannochthonius similidentatus
Cheiridium aokii Sato, 1984 (Pseudoscorpiones: Cheiridiidae) 52–55, figs 14–26, Cheiridium aokii
Nipponogarypus enoshimaensis Morikawa, 1955 (Pseudoscorpiones: Olpiidae) 52, Nipponogarypus enoshimaensis