References
* Capinera J.L, Scott R.D., Walker T.J. (2004). ''Field Guide to Grasshoppers, Katydids, and Crickets of the United States''. Cornell University Press. * Otte, Daniel (2000). "Gryllacrididae, Stenopelmatidae, Cooloolidae, Schizodactylidae, Anostostomatidae, and Rhaphidophoridae". ''Orthoptera Species File 8'', 97.Further reading
* Arnett, Ross H. (2000). ''American Insects: A Handbook of the Insects of America North of Mexico''. CRC Press. alpinus Insects described in 1894 {{rhaphidophoridae-stub