Taxa included

Lessert, R. de (1905). Arachniden Graubündens. Revue Suisse de Zoologie 13: 621–661.

Taxon
Chernes cimicoides (Fabricius, 1793) (Pseudoscorpiones: Chernetidae) 654–655, Chelifer cimicoides (Fabricius)
Chelifer cancroides (Linnaeus, 1758) (Pseudoscorpiones: Cheliferidae) 654, Chelifer cancroides (Linnaeus)
Ephippiochthonius tetrachelatus (Preyssler, 1790) (Pseudoscorpiones: Chthoniidae) 655, Chthonius tetrachelatus (Preyssler)
Neobisium (Neobisium) jugorum (L. Koch, 1873) (Pseudoscorpiones: Neobisiidae) 655, Obisium jugorum