References

Beier, M. (1932a). Pseudoscorpionidea I. Subord. Chthoniinea et Neobisiinea. Tierreich 57: i–xx, 1–258. -- Show included taxa

Chamberlin, J.C. (1929a). A synoptic classification of the false scorpions or chela-spinners, with a report on a cosmopolitan collection of the same. Part 1. The Heterosphyronida (Chthoniidae) (Arachnida-Chelonethida). Annals and Magazine of Natural History (10) 4: 50–80. -- Show included taxa

Harvey, M.S. (1991a). Catalogue of the Pseudoscorpionida. Manchester University Press, Manchester. -- Show included taxa

Hoff, C.C. (1958). List of the pseudoscorpions of North America north of Mexico. American Museum Novitates 1875: 1–50. -- Show included taxa

Roewer, C.F. (1937). Chelonethi oder Pseudoskorpione. In: Bronns, H.G. (ed.) Bronn's Klassen und Ordnungen des Tierreichs Akademische Verlagsgesellschaft M.B.H., Leipzig 5(IV)(6)(1): 161–320. -- Show included taxa