picrolite
antigorite
ophiomorphic
bowenite
serpentiferous
lizard-stone
serpenticone
colubrine
lizardite
adder
striped whipsnake
Heterodon
genus Heterodon
Drymarchon corais couperi
crayfish snake
eastern indigo snake
greenalite
green marble
polycot
ophidian
spiny rat
serpentiform
xenodontine
serpentinic
genus Phyllorhynchus
rubber boa
Phyllorhynchus
macrostomatan
remora
sibynophiid
elapid
chicken snake
xenodermid
serpentinous
cyclocorid
solenoglyph
crotalase
grass snake
genus Dimetrodon
natricine
mussurana
pectoral quail
henophidian
Trimorphodon
genus Diadophis
sand viper
coffee snake
hairsedge
coagulotoxin
genus Trimorphodon