| Authors(s) | Ernst, C. H. |
| Year | 1967a |
| Title | Intergradation between the painted turtles Chrysemys picta picta and Chrysemys picta dorsalis. Copeia 1967: 131-136. |
| Authors(s) | Ernst, C. H. |
| Year | 1967a |
| Title | Intergradation between the painted turtles Chrysemys picta picta and Chrysemys picta dorsalis. Copeia 1967: 131-136. |