| Authors(s) | Gaffney, E. S. |
| Year | 1975b |
| Title | A phylogeny and classification of the higher categories of turtles. Bull. Amer. Mus. Natur. Hist. 155: 387-436. |
| Authors(s) | Gaffney, E. S. |
| Year | 1975b |
| Title | A phylogeny and classification of the higher categories of turtles. Bull. Amer. Mus. Natur. Hist. 155: 387-436. |