smooth snake
colubrine
Diadophis
genus Diadophis
ladder snake
genus Heterodon
Heterodon
genus Drymarchon
Drymarchon
coffee snake
dice snake
colubriform
genus Storeria
Storeria
sea krait
sibynophiid
rat snake
large-headed water snake
chicken snake
queen snake
atractaspidine
adder
African coral snake
Aspidelaps lubricus
habu
Masticophis bilineatus
Sonoran whipsnake
river jack
Phyllorhynchus
ground snake
atractaspidid
genus Phyllorhynchus
Natrix natrix
ring snake
grass snake
green snake
coral snake
Old World coral snake
Sonora semiannulata
ringed snake
elapoid
crayfish snake
aparallactine
cobra
crotaline
common purple-glossed snake
harlequin-snake
New World coral snake
rainbow boa
garter snake