| Authors(s) | Whetstone, K. N. |
| Year | 1978 |
| Title | Additional record of the fossil snapping turtle Macroclemys schmidti from the Marshland Formation (Miocene) of Nebraska with notes on interspecific skull variation within the genus Macroclemys. Copeia |
| Authors(s) | Whetstone, K. N. |
| Year | 1978 |
| Title | Additional record of the fossil snapping turtle Macroclemys schmidti from the Marshland Formation (Miocene) of Nebraska with notes on interspecific skull variation within the genus Macroclemys. Copeia |