Taxa included

Edward, K.L. & Harvey, M.S. (2008). Short-range endemism in hypogean environments: the pseudoscorpion genera Tyrannochthonius and Lagynochthonius (Pseudoscorpiones: Chthoniidae) in the semiarid zone of Western Australia. Invertebrate Systematics 22: 259–293.

Taxon
Tyrannochthonius Chamberlin, 1929 (Pseudoscorpiones: Chthoniidae) 261–262, Tyrannochthonius
Tyrannochthonius aridus Edward and Harvey, 2008 (Pseudoscorpiones: Chthoniidae) 262–267, figs 1, 7, 10–26, Tyrannochthonius aridus
Tyrannochthonius basme Edward and Harvey, 2008 (Pseudoscorpiones: Chthoniidae) 267–270, figs 8, 29–34, Tyrannochthonius basme
Tyrannochthonius billhumphreysi Edward and Harvey, 2008 (Pseudoscorpiones: Chthoniidae) 270–273, figs 7, 37–47, Tyrannochthonius billhumphreysi
Tyrannochthonius brooksi Harvey, 1991 (Pseudoscorpiones: Chthoniidae) 273, fig. 49, Tyrannochthonius brooksi
Tyrannochthonius butleri Harvey, 1991 (Pseudoscorpiones: Chthoniidae) 273–274, fig. 48, Tyrannochthonius butleri
Tyrannochthonius garthhumphreysi Edward and Harvey, 2008 (Pseudoscorpiones: Chthoniidae) 274–277, figs 2, 8, 51–61, Tyrannochthonius garthhumphreysi
Tyrannochthonius souchomalus Edward and Harvey, 2008 (Pseudoscorpiones: Chthoniidae) 277, figs 3, 7, 63–73, Tyrannochthonius souchomalus
Lagynochthonius Beier, 1951 (Pseudoscorpiones: Chthoniidae) 280, Lagynochthonius Beier
Lagynochthonius chamorro (Chamberlin, 1947) (Pseudoscorpiones: Chthoniidae) 280, Lagynochthonius chamorro (Chamberlin)
Lagynochthonius asema Edward and Harvey, 2008 (Pseudoscorpiones: Chthoniidae) 280–284, figs 4, 9, 75–84, Lagynochthonius asema
Lagynochthonius leemouldi Edward and Harvey, 2008 (Pseudoscorpiones: Chthoniidae) 284–285, figs 5, 9, 85–95, Lagynochthonius leemouldi
Lagynochthonius polydentatus Edward and Harvey, 2008 (Pseudoscorpiones: Chthoniidae) 285–288, figs 6, 9, 96–105, Lagynochthonius polydentatus