BOIDAE - BOIDS

Charina bottae - Rubber Boa
Lichanura trivirgata - Rosy Boa

COLUBRIDAE - COLUBRIDS

Arizona elegans - Eastern Glossy Snake
Arizona occidentalis - Western Glossy Snake
Bogertophis subocularis - Trans-Pecos Rat Snake
Cemophora coccinea - Scarlet Snake
Chilomeniscus stramineus - Western Sand Snake
Chionactis occipitalis - Western Shovel-nosed Snake
Coluber constrictor - Racer
Drymarchon melanurus - Western Indigo Snake
Drymobius margaritiferus - Speckled Racer
Ficimia streckeri - Mexican Hook-nosed Snake
Gyalopion canum - Western Hook-nosed Snake
Lampropeltis alterna - Gray-banded Kingsnake
Lampropeltis calligaster - Prairie Kingsnake
Lampropeltis getula - Common Kingsnake
Lampropeltis pyromelana - Sonoran Mountain Kingsnake
Lampropeltis triangulum - Milk Snake
Lampropeltus zonata - California Mountain Kingsnake
Masticophis bilineatus - Sonoran Whipsnake
Masticophis flagellum - Coachwhip
Masticophis lateralis - Striped Racer
Masticophis schotti - Schott's Whipsnake
Masticophis taeniatus - Striped Whipsnake
Opheodrys aestivus - Rough Green Snake
Pantherophis bairdi - Baird's Rat Snake
Pantherophis emoryi - Great Plains Rat Snake
Pantherophis guttatus - Corn Snake
Pantherophis obsoletus - Common Rat Snake
Phyllorhynchus browni - Saddled Leaf-nosed Snake
Phyllorhynchus decurtatus - Spotted Leaf-nosed Snake
Pituophis catenifer - Gopher Snake
Pituophis melanoleucus - Eastern Pine Snake
Pituophis ruthveni - Louisiana Pine Snake
Rhinocheilus lecontei - Long-nosed Snake
Salvadora deserticola - Big Bend Patch-nosed Snake
Salvadora grahamiae - Mountain Patch-nosed Snake
Sonora semiannulata - Ground Snake
Tantilla coronata - Southeastern Crowned Snake
Tantilla cucullata - Big Bend Black-headed Snake
Tantilla gracilis - Flat-headed Snake
Tantilla hobartsmithi - Southwestern Black-headed Snake
Tantilla nigriceps - Plains Black-headed Snake
Tantilla wilcoxi - Chihuahuan Black-headed Snake
Trimorphodon lambda - Sonoran Lyre Snake
Trimorphodon vilkinsonii - Chihuahuan Lyre Snake

CROTALIDAE - CROTALIDS

Agkistrodon contortrix - Copperhead
Agkistrodon piscivorus - Cottonmouth
Crotalus adamanteus - Eastern Diamondback Rattlesnake
Crotalus atrox - Western Diamondback Rattlesnake
Crotalus cerastes - Sidewinder
Crotalus cereberus - Arizona Black Rattlesnake
Crotalus concolor - Midget Faded Rattlesnake
Crotalus horridus - Timber Rattlesnake
Crotalus lepidus - Rock Rattlesnake
Crotalus mitchellii - Speckled Rattlesnake
Crotalus molossus - Black-tailed Rattlesnake
Crotalus pricei - Twin-spotted Rattlesnake
Crotalus scutulatus - Mohave Rattlesnakea
Crotalus tigris - Tiger Rattlesnake
Crotalus viridis - Prairie Rattlesnake
Crotalus willardi - Ridge-nosed Rattlesnake
Sistrurus catenatus - Massasauga
Sistrurus miliarius - Pigmy Rattlesnake

DIPSADIDAE - DIPSADIDS

Carphophis amoenus - Eastern Worm Snake
Carphophis vermis - Western Worm Snake
Coniophanes imperialis - Black-striped Snake
Diadophis punctatus - Ring-necked Snake
Hypsiglena torquata - Night Snake
Rhadinaea flavilata - Pine Woods Snake

ELAPIDAE - ELAPIDS

Micruroides euryxanthus - Western Coral Snake
Micrurus fulvius - Eastern Coral Snake
Micrurus tener - Texas Coral Snake

LEPTOTYPHLOPIDAE - BLIND SNAKES

Leptotyphlops dulcus - Texas Blind Snake
Leptotyphlops humilis - Western Blind Snake

NATICIDAE - WATER AND GARTER SNAKES

Nerodia clarkii - Salt Marsh Snake
Nerodia cyclopion - Mississippi Green Water Snake
Nerodia erythrogaster - Plain-bellied Water Snake
Nerodia fasciata - Southern Water Snake
Nerodia floridana - Florida Green Water Snake
Nerodia harteri - Brazos Water Snake
Nerodia rhombifer - Diamondback Water Snake
Nerodia sipedon - Northern Water Snake
Nerodia taxispilota - Brown Water Snake
Regina grahamii - Graham's Crayfish Snake
Regina rgida - Glossy Crayfish Snake
Regina septemvittata - Queen Snake
Seminatrix pygaea - Black Swamp Snake
Storeria dekayi - Brown Snake
Storeria occipitomaculata - Red- bellied Snake
Thamnophis couchii - Western Aquatic Garter Snake
Thamnophis cyrtopsis - Black-necked Garter Snake
Thamnophis elegans - Western Terrestrial Garter Snake
Thamnophis eques - Mexican Garter Snake
Thamnophis marcianus - Checkered Garter Snake
Thamnophis proximus - Western Ribbon Snake
Thamnophis radix - Plains Garter Snake
Thamnophis rufipunctatus - Narrow-headed Garter Snake
Thamnophis sauritus - Eastern Ribbon Snake
Thamnophis sirtalis - Common Garter Snake
Tropidoclonion lineatum - Lined Snake
Virginia striatula - Rough Earth Snake
Virginia valeriae - Smooth Earth Snake

XENODONTIDAE - XENODONTS

Farancia abacura - Mud Snake
Farancia erytrogramma - Rainbow Snake
Heterodon nasicus - Western Hog-nosed Snake
Heterodon platirhinos - Eastern Hog-nosed Snake