Eutrachelophis is a genus of snakes, known commonly as ivory-naped snakes, of the family Colubridae. The genus contains two species, which are native to South America. Species The following species are recognized as being valid. Eutrachelophis bassleri – Ecuador, Peru Eutrachelophis papilio – Brazil Etymology The specific name, bassleri, is in honor of Harvey Bassler (1883–1950), who was an American petroleum engineer and herpetologist. References Further reading Myers CW, McDowell SB (2014). "New Taxa and Cryptic Species of Neotropical Snakes (Xenodontinae), with Commentary on Hemipenes as Generic and Specific Characters". Bulletin of the American Museum of Natural History (385): 1–112. (Eutrachelophis, new genus, pp. 6–8; E. bassleri, new species, pp. 8–14, Figures 1–3, 10). Zaher H, Prudente ALC (2019). "The enigmatic Amazonian genus Eutrachelophis: morphological evidence and description of new taxa (Serpentes: Dipsadidae: Xenodontini)". Amphibia-Reptilia 41 (2): 215–231. (Eutrachelophis papilio, new species). Colubrids Snake genera