BioStor
 | April 2d (1861) Proceedings of The Academy of Natural Sciences of Philadelphia 13: 73-75 |
 | A preliminary account of the herpetology of the state of San Luis Potosí, México E H Taylor (1949) University of Kansas Science Bulletin 33: 169-215 |
 | Fourth contribution to the herpetology of San Luis Potosí E H Taylor (1953) University of Kansas Science Bulletin 35: 1587-1614 |
 | Type specimens of reptiles and amphibians in the United States National Museum (1961) Bulletin of the United States National Museum 220: 1-291 |
 | Catalogue of the Neotropical Squamata. Part I. Snakes James A Peters and Braulio Orejas-Miranda (1970) Bulletin United States National Museum 297: 1-347 |