Taxa included

Kästner, A. (1931a). Studien zur Ernährung der Arachniden. 2. Der Fressakt von Chelifer cancroides L.. Zoologischer Anzeiger 96: 73–77.

Taxon
Obisium muscorum Leach, 1817 (Pseudoscorpiones: Cheliferidae) n/a, fig. 3, Neobisium muscorum (Leach)
Chelifer cancroides (Linnaeus, 1758) (Pseudoscorpiones: Cheliferidae) 73–77, figs 1–2, Chelifer cancroides (Linnaeus)