Bond, J. E. & Opell, B. D. (2002). Phylogeny and taxonomy of thegenera of south-western North American Euctenizinae trapdoor spiders and their relatives (Araneae: Mygalomorphae, Cyrtaucheniidae). Zoological Journal of the Linnean Society. 136(3): 487-534.
Phylogeny and taxonomy of thegenera of south-western North American Euctenizinae trapdoor spiders and their relatives (Araneae: Mygalomorphae, Cyrtaucheniidae)