Seminatrix pygaea cyclas DOWLING, 1950
| A reconsideration of the racer, Coluber constrictor, in Eastern United States (1955) Tulane Studies In Zoology 2: 89-155 | |
| The fossil snakes of Florida (1963) Tulane Studies In Zoology 10: 131-216 | |
| Comparative visceral topography of the new world snake tribe Thamnophiini (Colubridae, Natricinae) N J Rossman, D A Rossman and N K Keith (1982) Tulane Studies in Zoology and Botany 23: 123-164 |