| Authors(s) | Williams, E. E. |
| Year | 1956 |
| Title | Pseudemys scripta callirostris from Venezuela with a general survey of the scripta series. Bull. Mus. Comp. Zool. Harvard 115: 145-160. |
| Authors(s) | Williams, E. E. |
| Year | 1956 |
| Title | Pseudemys scripta callirostris from Venezuela with a general survey of the scripta series. Bull. Mus. Comp. Zool. Harvard 115: 145-160. |