- Type species: Tropidodipsas lunulata Cope, 1861, by original designation.
- Cope, E.D. 1862. Catalogue of the Reptiles obtained during the Explorations of the Parana, Paraguay, Vermejo and Uraguay Rivers, by Capt. Thos. J. Page, U. S. N.; and of those procured by Lieut. N. Michler, U. S. Top. Eng., Commander of the Expedition conducting the Survey of the Atrato River. Proceedings of the Academy of Natural Sciences of Philadelphia 14: 346–359. BHL Reference page.