Pituophis
Lower Classification
- Louisiana pine snake (Pituophis ruthveni)
- Cape gopher snake (Pituophis vertebralis)
- Credos Island gopher snake (Pituophis insularis)
- Gopher snake (Pituophis catenifer)
- Sonoran gopher snake (Pituophis catenifer affinis)
- San Diego gopher snake (Pituophis catenifer annectens)
- Central Baja California gopher snake (Pituophis catenifer bimaris)
- Pacific gopher snake (Pituophis catenifer catenifer)
- Coronado Island gopher snake (Pituophis catenifer coronalis)
- Great Basin gopher snake (Pituophis catenifer deserticola)
- San Martin Island gopher snake (Pituophis catenifer fulginatus)
- Santa Cruz Island gopher snake (Pituophis catenifer pumilis)
- Bullsnake (Pituophis catenifer sayi)
- Mexican pine snake (Pituophis deppei)
- Southern Mexican pine snake (Pituophis deppei deppei)
- Northern Mexican pine snake (Pituophis deppei jani)
- Middle American gopher snake (Pituophis lineaticollis)
- Pituophis lineaticollis gibsoni
- Pituophis lineaticollis lineaticollis
- Pine snake (Pituophis melanoleucus)
- Black pine snake (Pituophis melanoleucus lodingi)
- Northern pine snake (Pituophis melanoleucus melanoleucus)
- Florida pine snake (Pituophis melanoleucus mugitus)