Taxa included

Hoff, C.C. (1944b). Notes on three pseudoscorpions from Illinois. Transactions of the Illinois Academy of Science 37: 123–128.

Taxon
Chelifer cancroides (Linnaeus, 1758) (Pseudoscorpiones: Cheliferidae) 123, figs 1a–b, Chelifer cancroides (Linnaeus)
Apochthonius moestus (Banks, 1891) (Pseudoscorpiones: Chthoniidae) 125, figs 1c–d, Apochthonius moestus (Banks)
Microbisium parvulum (Banks, 1895) (Pseudoscorpiones: Neobisiidae) 125–128, figs 1e–f, 2 (in part) (misidentification), Microbisium brunneum (Hagen)
Microbisium brunneum (Hagen, 1868) (Pseudoscorpiones: Neobisiidae) 125–128, figs 1e–f, 2 (in part; see Microbisium parvulum (Banks)), Microbisium brunneum (Hagen)