Taxa included

Viana, A.C.M. & Ferreira, C. (2021). A new troglobitic species of Allochthonius (subgenus Urochthonius) (Pseudoscorpiones, Pseudotyrannochthoniidae) from Japan. Subterranean Biology 37: 47–55.

Taxon
Allochthonius (Urochthonius) yoshizawai Viana and Ferreira, 2021 (Pseudoscorpiones: Pseudotyrannochthoniidae) 46–49, figs 2–4, Allochthonius (Urochthonius) yoshizawai Viana and Ferreira