Thamnophis Fitzinger, 1843
Thamnophis sirtalis annectens Brown, 1950
Thamnophis sirtalis concinnus (Hallowell, 1852)
Thamnophis sirtalis dorsalis (Baird & Girard, 1853)
Thamnophis sirtalis fitchi Fox, 1951
Thamnophis sirtalis infernalis (Blainville, 1835)
Thamnophis sirtalis lowei Tanner, 1988
Thamnophis sirtalis pallidulus Allen, 1899
Thamnophis sirtalis parietalis (Say, 1823)
Thamnophis sirtalis pickeringii (Baird & Girard, 1853)
Thamnophis sirtalis semifasciatus (Cope, 1892)
Thamnophis sirtalis similis Rossman, 1965
Thamnophis sirtalis subsp. sirtalis Linnaeus, 1758
Thamnophis sirtalis tetrataenia (Cope in Yarrow, 1875)
