BioStor
 | Catalogue of the Colubridae in the Museum of the Academy of Natural Sciences of Philadelphia, with notes and descriptions of new species. Part II E D Cope (1860) Proc. Acad. Nat. Sci. Philadelphia 12: 241-266 |
 | Note II. Reptiles and Batrachians from Surinam Th W Van Lidth De Jeude (1904) Notes from the Leyden Museum 25: 83-94 |
 | Generic types of nearctic Reptilia and Amphibia A E Brown (1908) Proceedings of the Academy of Natural Sciences of Philadelphia 60: 112-127 |
 | Mission geodesique de l'Equateur. Collections recueillies par M. le Dr. Rivet. Liste des Ophidiens et description d'especes nouvelles (1911) Bulletin du Museum Paris 1910: 368-376 |
 | Notes on Three Common New Jersey Turtles Charles H Rogers (1917) Copeia 47: 74-76 |
 | Poisonous Snakes in the Jungle Clarence R Halter (1917) Copeia 47: 76-76 |
 | New genera and species of snakes A Do Amaral (1923) Proc. New England Zool. Club 8: 85-105 |
 | Catalogue of the Neotropical Squamata. Part I. Snakes James A Peters and Braulio Orejas-Miranda (1970) Bulletin United States National Museum 297: 1-347 |
 | Buccal floor of reptiles, A summary W W Tanner and D F Avery (1982) Great Basin Naturalist 42: 273-349 |