Taxa included

Sato, H. (2012). [Seasonal changes of the soil pseudoscorpions in Yamagata Prefecture, Tohoku-district, Japan]. Bulletin of Tsurumi University. Part 4, Studies in Humanites, Social and Natural Sciences 49: 117–130.

Taxon
Mundochthonius japonicus Chamberlin, 1929 (Pseudoscorpiones: Chthoniidae) 121–122, figs 1, 4, Mundochthonius japonicus
Allochthonius (Allochthonius) opticus (Ellingsen, 1907) (Pseudoscorpiones: Pseudotyrannochthoniidae) 122–125, figs 1, 5, Allochthonius opticus (Ellingsen)
Bisetocreagris japonica (Ellingsen, 1907) (Pseudoscorpiones: Neobisiidae) 125–126, figs 1, 7, Bisetocreagris japonica (Ellingsen)
Microbisium pygmaeum (Ellingsen, 1907) (Pseudoscorpiones: Neobisiidae) 125, figs 1, 6, Microbisium pygmaeum (Ellingsen)