| Phrynops williamsi | |
|---|---|
|   | |
|  Scientific classification   | |
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Class: | Reptilia | 
| Order: | Testudines | 
| Suborder: | Pleurodira | 
| Family: | Chelidae | 
| Genus: | Phrynops | 
| Species: | P. williamsi  | 
| Binomial name | |
| Phrynops williamsi | |
Phrynops williamsi, also known commonly as Williams' side-necked turtle, Williams' South American sideneck turtle, William's[ sic ]South American side-necked turtle, William's[ sic ]toadhead turtle, and Williams' toadhead turtle, is a species of turtle in the family Chelidae. The species is endemic to South America.
The specific name, williamsi, is in honor of American herpetologist Ernest E. Williams. [5]
P. williamsi is found in southeastern Brazil, Uruguay, and Argentina. [6]
The preferred natural habitat of P. williamsi is freshwater wetlands, at altitudes of 80–1,000 m (260–3,280 ft). [1]