Taxa included

Muchmore, W.B. (1984d). The pseudoscorpions described by R.V. Chamberlin (Pseudoscorpionida, Olpiidae and Chernetidae). Journal of Arachnology 11: 353–362.

Taxon
Pachyolpium isolatum (Chamberlin, R.V., 1925) (Pseudoscorpiones: Hesperolpiidae) 353–355, fig. 1, Pachyolpium isolatum (R.V. Chamberlin)
Lustrochernes consocius (Chamberlin, R.V., 1925) (Pseudoscorpiones: Chernetidae) 355–356, figs 2–4, Lustrochernes consocius (R.V. Chamberlin)
Chelodamus Chamberlin, R.V., 1925 (Pseudoscorpiones: Chernetidae) 356–357, Chelodamus
Chelodamus atopus Chamberlin, R.V., 1925 (Pseudoscorpiones: Chernetidae) 357–358, figs 5–8, Chelodamus atopus
Chelodamus mexicolens Chamberlin, R.V., 1925 (Pseudoscorpiones: Chernetidae) 359, figs 9–11, Chelodamus mexicolens
Chelodamus uniformis (Banks, 1914) (Pseudoscorpiones: Chernetidae) 360–361, figs 12–13, Chelodamus uniformis (Banks)