Taxa included

Morikawa, K. (1954c). Two new species of Chthoniinea from Japan. Japanese Journal of Zoology 11: 329–331.

Taxon
Mundochthonius japonicus scolytidis Morikawa, 1954 (Pseudoscorpiones: Chthoniidae) 329–331, figs 1–4, Mundochthonius scolytidis
Tyrannochthonius japonicus dogoensis Morikawa, 1954 (Pseudoscorpiones: Chthoniidae) 331, figs 5–7, Tyrannochthonius dogoensis