Masticophis bilineatus
Sonoran whipsnake
red-bellied snake
Storeria occipitamaculata
pine woods snake
eel-blenny
Heterodon
genus Heterodon
chicken snake
rubber boa
coffee snake
garter snake
leaf-nosed snake
grass snake
atractaspidine
boine
Western ribbon snake
Thamnophis proximus
genus Nerodia
Nerodia
hognose
Carphophis amoenus
thunder snake
Arizona elegans
Sonora semiannulata
ophicephalous
ground snake
Phyllorhynchus
worm snake
glossy snake
genus Phyllorhynchus
suborder Ophidia
suborder Serpentes
corn snake
class Channidae
water moccasin
Elaphe guttata
Serpentes
sand snake
cottonmouth
Ophidia
cottonmouth moccasin
Channidae
Agkistrodon piscivorus
red rat snake
calamariid
nope rope
colubrine
lyre snake
anguine