Nerodia
The genus Nerodia (family Colubridae) has 10 species in SnakeList - 0 venomous and 10 non-venomous.
- Diamondback Water Snake Nerodia rhombifer
- Brazos Water Snake Nerodia harteri
- Brown Water Snake (taxispilota) Nerodia taxispilota
- Common Watersnake Nerodia sipedon
- Concho Water Snake Nerodia paucimaculata
- Florida Green Watersnake Nerodia floridana
- Mississippi Green Water Snake Nerodia cyclopion
- Plainbelly Water Snake Nerodia erythrogaster
- Salt Marsh Snake Nerodia clarkii
- Southern Water Snake Nerodia fasciata