Taxa included

Hoff, C.C. (1945a). Additional notes on pseudoscorpions from Illinois. Transactions of the Illinois Academy of Science 38: 103–110.

Taxon
Verrucaditha spinosa (Banks, 1893) (Pseudoscorpiones: Chthoniidae) 103–105, figs 1–3, Verrucaditha spinosa (Banks)
Apochthonius moestus (Banks, 1891) (Pseudoscorpiones: Chthoniidae) 105–109, figs 4–7, Apochthonius moestus (Banks)
Ephippiochthonius tetrachelatus (Preyssler, 1790) (Pseudoscorpiones: Chthoniidae) 109, fig. 8, Chthonius (Ephippiochthonius) tetrachelatus (Preyssler)
Larca granulata (Banks, 1891) (Pseudoscorpiones: Larcidae) 109–110, figs 9–10, Larca granulata (Banks)
Microbisium brunneum (Hagen, 1868) (Pseudoscorpiones: Neobisiidae) 109, Microbisium brunneum (Hagen)