Taxa Count: 7

COLUBRIDAE

Heterodon Latreille, 1801

Heterodon nasicus Baird & Girard, 1852

Pituophis melanoleucus (Daudin, 1803)

Texasophis fossilis Holman, 1977

Texasophis galbreathi Holman, 1984

Thamnophis Fitzinger, 1843

Thamnophis sirtalis (Linnaeus, 1758)