Taxa included

Judson, M.L.I. (2007b). A new and endangered species of the pseudoscorpion genus Lagynochthonius from a cave in Vietnam, with notes on chelal morphology and the composition of the Tyrannochthoniini (Arachnida, Chelonethi, Chthoniidae). Zootaxa 1627: 53–68.

Taxon
Maorichthonius Chamberlin, 1925 (Pseudoscorpiones: Chthoniidae) 57, Maorichthonius
Paraliochthonius setiger (Mahnert, 1997) (Pseudoscorpiones: Chthoniidae) 58, Paraliochthonius setiger (Mahnert)
Lagynochthonius curvidigitatus Mahnert, 1997 (Pseudoscorpiones: Chthoniidae) 58, Paraliochthonius curvidigitatus (Mahnert)
Paraliochthonius superstes (Mahnert, 1986) (Pseudoscorpiones: Chthoniidae) 58, Paraliochthonius superstes (Mahnert)
Paraliochthonius barrancoi (Carabajal Márquez, García Carrillo and Rodríguez Fernández, 2001) (Pseudoscorpiones: Chthoniidae) 58, Paraliochthonius barrancoi (Carabajal Márquez, García Carrillo and Rodríguez Fernández)
Lagynochthonius fragilis Judson, 2007 (Pseudoscorpiones: Chthoniidae) 59–63, figs 1–21, Lagynochthonius fragilis