Taxa included

Sato, H. (1984a). Allochthonius borealis, a new pseudoscorpion (Chthoniidae) from Tohoku District, Japan. Bulletin of the Biogeographical Society of Japan 39: 17–20.

Taxon
Allochthonius (Allochthonius) opticus (Ellingsen, 1907) (Pseudoscorpiones: Pseudotyrannochthoniidae) n/a, fig. 9, Allochthonius opticus (Ellingsen)
Allochthonius (Allochthonius) buanensis Lee, 1982 (Pseudoscorpiones: Pseudotyrannochthoniidae) n/a, fig. 9, Allochthonius buanensis
Allochthonius (Allochthonius) borealis Sato, 1984 (Pseudoscorpiones: Pseudotyrannochthoniidae) 17–18, figs 1–9, Allochthonius borealis