Taxa included

Sato, H. (1984d). [Study on life history of pseudoscorpions - with special reference to the brooding and the number of moulting]. Atypus 85: 75–77.

Mundochthonius japonicus Chamberlin, 1929 (Pseudoscorpiones: Chthoniidae) n/a, figs 2–3, Mundochthonius japonicus
Microbisium pygmaeum (Ellingsen, 1907) (Pseudoscorpiones: Neobisiidae) n/a, fig. 2, Neobisium pygmaeum (Ellingsen)
Pararoncus japonicus (Ellingsen, 1907) (Pseudoscorpiones: Syarinidae) n/a, fig. 2, Roncus japonicus (Ellingsen)
Apocheiridium pinium Morikawa, 1953 (Pseudoscorpiones: Cheiridiidae) n/a, fig. 2, Apocheiridium pinium