Rhinocheilus is a genus of snakes, commonly called the long-nosed snakes, in the family Colubridae. The genus is native to the western United States and Mexico.
Species and subspecies The genus Rhinocheilus contains the following species and subspecies which are recognized as being valid.. www.reptile-database.org. Rhinocheilus antonii Rhinocheilus etheridgei – Etheridge's long-nosed snakeBeolens, Bo; Watkins, Michael; Grayson, Michael (2011). The Eponym Dictionary of Reptiles. Baltimore: Johns Hopkins University Press. xiii + 296 pp. . (Rhinocheilus etheridgei, p. 86). Rhinocheilus lecontei – long-nosed snake Rhinocheilus lecontei lecontei – western long-nosed snake Rhinocheilus lecontei tessellatus – Texas long-nosed snake
References
Further reading
Baird SF, Girard C (1853). Catalogue of North American Reptiles in the Museum of the Smithsonian Institution. Part I.—Serpents. Washington, District of Columbia: Smithsonian Institution. xvi + 172 pp. (Rhinocheilus, new genus, p. 120).