Bond, Jason E. & Brent D. Opell«Phylogeny and taxonomy of the genera of south-western North American Euctenizinae trapdoor spiders and their relatives (Araneae: Mygalomorphae, Cyrtaucheniidae)».Zoological Journal of the Linnean Society,136,3,2002,pàg.487–534. DOI: 10.1046/j.1096-3642.2002.00035.x.
Bond, Jason E. & Amy K. Stockman«An Integrative Method for Delimiting Cohesion Species: Finding the Population-Species Interface in a Group of Californian Trapdoor Spiders with Extreme Genetic Divergence and Geographic Structuring».Systematic Biology,57,4,2008,pàg.628–646. DOI: 10.1080/10635150802302443. PMID: 18686196.