References

Briggs, T.S. & Ubick, D. (1988). Cavernicoles from Cave Gulch, Santa Cruz County. California Caver 38(2): 43–44. -- Show included taxa

Coddington, J.A., Larcher, S.F. & Cokendolpher, J.C. (1990). The systematic status of Arachnida, exclusive of Acari, in North America north of Mexico. In: Kosztarab, M. and Schaefer, C.W. (ed.) Systematics of the North American insects and arachnids: status and needs Virginia Polytechnic Institute and State University, Blacksburg: 5–20. -- 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

Drewry, G. (ed.) (1989). Endangered and threatened wildlife and plants: animal notice of review. Federal Register 54: 554–579. -- Show included taxa

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

Muchmore, W.B. (1969a). New species and records of cavernicolous pseudoscorpions of the genus Microcreagris (Arachnida, Chelonethida, Neobisiidae, Ideobisiinae). American Museum Novitates 2392: 1–21. -- Show included taxa

Muchmore, W.B. & Cokendolpher, J.C. (1995). Generic placement of the Empire Cave Pseudoscorpion, Microcreagris imperialis (Neobisiidae), a potentially endangered arachnid. Journal of Arachnology 23: 171–176. -- 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