marsh snake
elapid
striped whipsnake
amphiesmal
uropeltoid
racer
garter snake
grass snake
Potamophis striatula
Haldea striatula
eastern ground snake
natricine
eastern indigo snake
Drymarchon corais couperi
genus Heterodon
Heterodon
Sonora
genus Sonora
dipsadine
genus Storeria
Storeria
pine snake
genus Denisonia
macrostomatan
Denisonia
brown snake
stiletto snake
Psilotum
genus Psilotum
colubrine
natricid
Drymarchon
mussurana
xenodontine
genus Drymarchon
pythonoid
colubriform
green snake
habu
elapid snake
sand boa
solenoglyph
ophiology
chicken snake
xenodermid
Phyllorhynchus
genus Phyllorhynchus
genus Agkistrodon
ophidian
atractaspidine