References

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

Chamberlin, J.C. (1930). A synoptic classification of the false scorpions or chela-spinners, with a report on a cosmopolitan collection of the same. Part II. The Diplosphyronida (Arachnida-Chelonethida). Annals and Magazine of Natural History (10) 5: 1–48, 585–620. -- Show included taxa

Chamberlin, J.C. (1962). New and little-known false scorpions, principally from caves, belonging to the families Chthoniidae and Neobisiidae (Arachnida, Chelonethida). Bulletin of the American Museum of Natural History 123: 303–352. -- Show included taxa

Ćurčić, B.P.M. (1984b). A revision of some North American species of Microcreagris Balzan, 1892 (Arachnida: Pseudoscorpiones: Neobisiidae). Bulletin of the British Arachnological Society 6: 149–166. -- 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

Peck, S.B. (1998). A summary of diversity and distribution of the obligate cave-inhabiting faunas of the United States and Canada. Journal of Cave and Karst Studies 60: 18–26. -- 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