Taxa included

Proctor, W. (1938). The insect fauna. In: Biological survey of the Mount Desert region Wistar Institute of Anatomy and Biology, Philadelphia 6.

Taxon
Ephippiochthonius tetrachelatus (Preyssler, 1790) (Pseudoscorpiones: Chthoniidae) 448, Chthonius tetrachelatus (Preyssler)
Chelifer cancroides (Linnaeus, 1758) (Pseudoscorpiones: Cheliferidae) 448, Chelifer cancroides (Linnaeus)
Chernes sanborni Hagen, 1868 (Pseudoscorpiones: Chernetidae) 448, Chelanops sanborni (Hagen)