Taxa included

Chamberlin, J.C. (1925a). On a collection of pseudoscorpions from the stomach contents of toads. University of California Publications in Entomology 3: 327–332.

Hyarinus Chamberlin, 1925 (Pseudoscorpiones: Syarinidae) 327–328, Hyarinus
Hyarinus hesperus Chamberlin, 1925 (Pseudoscorpiones: Syarinidae) 329, figs a–d, Hyarinus hesperus
Syarinus Chamberlin, 1925 (Pseudoscorpiones: Syarinidae) 329, Syarinus
Neochernes peninsularis (Chamberlin, 1925) (Pseudoscorpiones: Chernetidae) 330–331, figs e–g, Chernes peninsularis
Anchigarypus californicus (Banks, 1909) (Pseudoscorpiones: Garypidae) 330, Garypus californicus
Syarinus obscurus (Banks, 1893) (Pseudoscorpiones: Syarinidae) 330, Syarinus obscurus (Banks)
Zaona Chamberlin, 1925 (Pseudoscorpiones: Chernetidae) 331, Zaona
Withius vagrans Chamberlin, 1925 (Pseudoscorpiones: Withiidae) 332, figs h-k, Withius vagrans
Zaona biseriatum (Banks, 1895) (Pseudoscorpiones: Chernetidae) 332, figs l-p, Zaona biseriatum (Banks)