Thamnophis Fitzinger, 1843
Thamnophis cyrtopsis collaris (Jan, 1863)
Thamnophis cyrtopsis subsp. cyrtopsis Kennicott, 1860
Thamnophis cyrtopsis ocellatus (Cope, 1880)
Thamnophis cyrtopsis postremus Smith, 1942
Thamnophis cyrtopsis pulchrilatus (Cope, 1885)
