''Helicops petersi'', the spiral keelback, is a species of snake in the family

Colubridae Colubridae (, commonly known as colubrids , from , 'snake') is a family of snakes. With 249 genera, it is the largest snake family. The earliest fossil species of the family date back to the Late Eocene epoch, with earlier origins suspected. C ...

. It is found in

Ecuador Ecuador, officially the Republic of Ecuador, is a country in northwestern South America, bordered by Colombia on the north, Peru on the east and south, and the Pacific Ocean on the west. It also includes the Galápagos Province which contain ...

References

* Helicops Snakes of South America Reptiles of Ecuador Endemic fauna of Ecuador Reptiles described in 1976 Taxa named by Douglas A. Rossman {{Dipsadinae-stub