Taxa included

Fabricius, J.C. (1781). Species insectorum exhibentes eorum differentias specificas, synonyma auctorum, loca natalia, metamorphosin adiectis observationibus, descriptionibus. C.E. Bohnii, Hamburgi et Kilonii 1.

Taxon
Chelifer cancroides (Linnaeus, 1758) (Pseudoscorpiones: Cheliferidae) 551-552, Scorpio cancroides (Linnaeus)
Cordylochernes acaroides Linnaeus, 1767 (Pseudoscorpiones: Chernetidae) 552, Scorpio acaroides (Linnaeus)