Taxa included

Schuster, R.O. (1966a). A new species of Allochthonius from the Pacific northwest of North America (Arachnida: Chelonethida). Pan-Pacific Entomologist 42: 172–175.

Taxon
Allochthonius (Allochthonius) shintoisticus Chamberlin, 1929 (Pseudoscorpiones: Pseudotyrannochthoniidae) n/a, figs 6–8, Allochthonius shintoisticus
Pseudotyrannochthonius incognitus (Schuster, 1966) (Pseudoscorpiones: Pseudotyrannochthoniidae) 174–175, figs 1–5, Allochthonius incognitus