Map of distribution of the representatives of the subgenus Urochthonius in Japan.

 
 
  Part of: Viana ACM, Ferreira RL (2021) A new troglobitic species of Allochthonius (subgenus Urochthonius) (Pseudoscorpiones, Pseudotyrannochthoniidae) from Japan. Subterranean Biology 37: 43-55. https://doi.org/10.3897/subtbiol.37.58580