Taxa included

Bernard, H.M. (1893b). Notes on some of the digestive processes in arachnids. Journal of the Royal Microscopical Society 4: 427–443.

Taxon
Chelifer cancroides (Linnaeus, 1758) (Pseudoscorpiones: Cheliferidae) 428, Obisium cancroides (Linnaeus)
Cheiridium museorum (Leach, 1817) (Pseudoscorpiones: Cheiridiidae) 428, Obisium museorum (Leach)