Benedict, E.M. & Malcolm, D.R. (1970). Some pseudotyrannochthoniine false scorpions from western North America (Chelonethida: Chthoniidae). Journal of the New York Entomological Society 78: 38–51.
| Taxon | |
|---|---|
| Pseudotyrannochthonius incognitus (Schuster, 1966) (Pseudoscorpiones: Pseudotyrannochthoniidae) | 39–47, figs 1a–g, 2a–d, Pseudotyrannochthonius incognitus (R.O. Schuster) |
| Pseudotyrannochthonius gracilis Benedict and Malcolm, 1970 (Pseudoscorpiones: Pseudotyrannochthoniidae) | 47–51, figs 3a–g, Pseudotyrannochthonius gracilis |