World Spider Catalog

Bond, J. E. & B. D. Opell, 2002. Phylogeny and taxonomy of the genera of south-western North American Euctenizinae trapdoor spiders and their relatives (Araneae: Mygalomorphae: Cyrtaucheniidae). Zool. J. Linn. Soc. 136: 487-534. (PDF not available.)