Suborder: Serpentes

Family: Boidae

Genus: Boa

Boa Constrictor (Boa constrictor)- introduced

Genus: Charina

Coastal Rosy Boa (Charina trivirgata roseofusca)

Desert Rosy Boa (Charina trivirgata gracia)

Mexican Rosy Boa (Charina t. trivirgata)

Northern Rubber Boa (Charina bottae)

Southern Rubber Boa (Charina umbratica)

Family: Columbridae

Genus: Arizona

Arizona Glossy Snake (Arizona occidentalis noctivaga)

California Glossy Snake (Arizona o. occidentalis)

Desert Glossy Snake (Arizona occidentalis eburnata )

Kansas Glossy Snake (Arizona e. elegans)

Mojave Glossy Snake (Arizona occidentalis candida )

Painted Desert Glossy Snake (Arizona elegans philipi)

Texas Glossy Snake (Arizona elegans arenicola)

Genus: Bogertophis

Baja California Rat Snake (Bogertophis rosaliae)

Trans-Pecos Rat Snake (Bogertophis s. subocularis)

Genus: Cemophora

Florida Scarlet Snake (Cemophora c. coccinea)

Northern Scarlet Snake (Cemophora coccinea copei)

Texas Scarlet Snake (Cemophora coccinea lineri)

Genus: Chilomeniscus

Western Sand Snake (Chilomeniscus stramineus)

Genus: Chionactis

Colorado Desert Shovel-nosed Snake (Chionactis occipitalis annulata)

Mojave Shovel-nosed Snake (Chionactis o. occipitalis)

Nevada Shovel-nosed Snake (Chionactis occipitalis talpina)

Organ Pipe Shovel-nosed Snake (Chionactis palarostris organica )

Tucson Shovel-nosed Snake (Chionactis occipitalis klauberi)

Genus: Coluber

Blackmask Racer (Coluber constrictor latrunculus)

Buttermilk Racer (Coluber constrictor anthicus)

Brownchin Racer (Coluber constrictor helvigularis)

Eastern Yellow-bellied Racer (Coluber constrictor flaviventris)

Mexican Racer (Coluber constrictor oaxaca)

Northern Black Racer (Coluber constrictor anthicus)

Southern Black Racer (Coluber constrictor priapus)

Tan Racer (Columber constrictor etheridgei)

Western Racer (Coluber mormon)

Genus: Drymarchon

Eastern Indigo Snake (Drymarchon couperi)

Texas Indigo Snake (Drymarchon melanurus erebennus)

Genus: Drymobius

Speckled Racer (Drymobius m. margaritiferus)

Genus: Ficimia

Mexican Hook-nosed Snake (Ficimia streckeri)

Genus: Gyalopion

Desert Hook-nosed Snake (Gyalopion quadrangulare )

Western Hook-nosed Snake (Gyalopion cantum)

Genus: Lampropeltis

Arizona Mountain King Snake (Lampropeltis p. pyromelana)

Black King Snake (Lampropeltis nigra)

Californian King Snake (Lampropeltis californiae)

California Mountain King Snake (Lampropeltis zonata)

Central Plains Milk Snake (Lampropeltis triangulum gentilis)

Desert Black King Snake (Lampropeltis getula nigrita)

Desert King Snake (Lampropeltis splendida)

Eastern King Snake (Lampropeltis getula)

Eastern Milk Snake (Lampropeltis t. triangulum)

Gray-banded King Snake (Lampropeltis alterna)

Louisiana Milk Snake (Lampropeltis triangulum amaura)

Mexican Milk Snake (Lampropletis triangulum annulata)

Mole King Snake (Lampropeltis rhombomaculata)

New Mexico Milk Snake (Lampropletis triangulum celaenops)

Pale Milk Snake (Lampropeltis multistriata)

Prairie King Snake (Lampropeltis c. calligaster)

Red Milk Snake (Lampropeltis syspila)

Scarlet King Snake (Lampropeltis elapsoides)

Short-tailed Snake (Lampropeltis extenuata)

South Florida Mole King  Snake (Lampropeltis calligaster occipitolineata)

Speckled King Snake (Lampropeltis holbrooki)

Utah Milk Snake (Lampropeltis triangulum taylori)

Genus: Liochlorophis

Smooth Green Snake (Liochlorophis vernalis)

Genus: Masticophis

Baja California Coachwhip (Masticophis flagellum fuliginosus)

Eastern Coachwhip (Masticophis f. flagellum)

Central Texas Whipsnake (Masticophis taeniatus ornatus)

Desert Triped Whipsnake (Masticophis t. taeniatus)

Lined Coachwhip (Masticophis flagellum lineatulus)

Red Coachwhip (Masticophis flagellum piceus )

Ruthven's Whipsnake (Masticophis schotti ruthveni)

San Joaquin Coachwhip (Masticophis flagellum ruddocki)

Schott's Whipsnake (Masticophis s. schotti)

Sonoran Coachwhip (Masticophis flagellum cingulum )

Sonoran Whipsnake (Masticophis bilineatus)

Western Coachwhip (Masticophis flagellum testaceus)

Genus: Mintonius

Eastern Fox Snake (Mintonius vulpinus)

Western Fox Snake (Mintonius ramspotti)

Genus: Opheodrys

Rough Green Snake (Opheodrys aestivus)

Genus: Pantherophis

Eastern Corn Snake (Pantherophis guttata)

Northern Plains Rat Snake (Pantherophis e. emoryi)

Slowinski's Corn Snake (Pantherophis slowinskii)

South Plains  Rat Snake(Pantherophis emoryi meahllmorum)

Genus: Oxybelis

Mexican Vine Snake (Oxybelis aeneus)

Genus: Phyllorhynchus

Saddled Leafnose Snake (Phyllorhynchus browni)

Spotted Leafnose Snake (Phyllorhynchus decurtatus)

Genus: Pituophis

Black Pine Snake(Pitophis melanoleucus lodingi)

Bull Snake (Pituophis catenifer sayi)

Florida Pine Snake (Pituophis melanoleucus mugitus )

Great Basin Gopher Snake (Pituophis catenifer deserticola)

Louisiana Pine Snake (Pituophis ruthveni)

Northern Pine Snake (Pituophis m. melanoleucus)

Pacific Gopher Snake (Pituophis c. catenifer)

San Diego Gopher Snake (Pituophis catenifer annectens)

Santa Cruz Gopher Snake (Pituophis catenifer pumilis)

Sonoran Gopher Snake (Pituophis catenifer affinis)

Genus: Rhinocheilus

Texas Long-nosed Snake (Rhinocheilus l. tessellatus)

Western Long-nosed Snake (Rhinocheilus l. lecontei)

Genus: Salvadora

Big Bend Patch-nosed Snake (Salvadora deserticola)

Coast Patch-nosed Snake (Salvadora hexalepi virgultea)

Desert Patch-nosed Snake (Salvadora h. hexalepi)

Mojave Patch-nosed Snake (Salvadora hexalepi mojavensis)

Mountain Patch-nosed (Salvadora g. grahamiae)

Texas Patch-nosed Snake (Salvadora grahamiae lineata)

Genus: Scotophis

Baird's Rat Snake (Scotophis bairdi)

Eastern Rat Snake (Scotophis alleghaniensis)

Midland Rat Snake (Scotophis spiloides)

Western Rat Snake (Scotophis obsoleta)

Genus: Senticolis

Green Rat Snake (Senticolis triaspis intermedia)

Genus: Sonora

Variable Ground Snake (Sonora s. semiannulata)

Southern Texas Ground Snake (Sonora semiannulata taylori)

Genus: Tantilla

Big Bend Black-headed Snake (Tantilla cucullata)

Central Florida Crowned Snake(Tantilla relicta neilli)

Chihuahuan Black-headed Snake (Tantilla wilcoxi)

Coastal Dunes Crowned Snake(Tantilla relicta pamlica)

Flat-headed Snake (Tantilla gracilis)

Mexican Black-headed Snake(Tantilla atriceps)

Peninsula Crowned Snake (Tantilla r. relicta)

Plains Black-headed Snake(Tantilla nigriceps)

Rim Rock Crowned Snake(Tantilla oolitica)

Southeastern Crowned Snake(Tantilla coronata)

Southwestern Black-headed Snake (Tantilla hobartsmithi)

Western Black-headed Snake(Tantilla planiceps)

Yaqui Black-headed Snake (Tantilla yaqui)

Genus: Trimorphodon

Baja California Lyre Snake(Trimorphodon biscutatus lyrophanes)

Sonoran Lyre Snake(Trimorphodon biscutatus lambda)

Chihuahuan Desert Lyre Snake (Trimorphodon vilkinsoni)

Family: Dipsadidae

Genus: Carphophis

Eastern Worm Snake (Carphophis amoenus amoenus)

Midwest Worm Snake (Carphophis amoenus helenae)

Western Worm Snake (Carphophis vermis)

Genus: Coniophanes

Black-striped Snake (Coniophanes imperialis imperialis)

Genus: Contia

Common Sharptail Snake (Contia tenuis )

Forest Sharptail Snake (Contia longicaudae)

Genus: Diadophis

Coralbelly Ring-necked Snake (Diadophis punctatus pulchellus)

Key Ring-necked Snake (Diadophis punctatus acricus)

Northern Ring-necked Snake (Diadophis punctatus edwardsii)

Mississippi Ring-necked Snake (Diadophis punctatus stictogenys)

Monterey Ring-necked Snake (Diadophis punctatus vandenburgii)

Pacific Ring-necked Snake (Diadophis punctatus amabilis)

Prairie Ring-necked Snake (Diadophis punctatus arnyi)

Regal Ring-necked Snake (Diadophis punctatus regalis)

San Bernardino Ring-necked Snake (Diadophis punctatus modestus)

San Diego Ring-necked Snake (Diadophis punctatus similis)

Southern Ring-necked Snake (Diadophis p. punctatus)

 

 

Family: Dipsadidae (continued)

Genus: Hypsiglena

Chihuahuan Night Snake (Hypsiglena jani)

Coast Night Snake (Hypsiglena ochrorhyncha)

Desert Night Snake (Hypsiglena chlorophaea)

Genus: Leptodeira

Northern Cat-eyed Snake (Leptodeira s. septentrionalis)

Genus: Rhadinaea

Pine Woods Snake (Rhadinaea flavilata)

Family: Leptotyphiopidae

Genus: Leptotyphlops

Desert Blind Snake (Leptotyphlops humilis cahuilae )

New Mexico Blind Snake (Leptotyphlops dissectus)

Plains Blind Snake (Leptotyphlops d. dulcis)

South Texas Blind Snake (Leptotyphlops dulcis rubellum)

Southwestern Blind Snake (Leptotyphlops h. humilis )

Trans-pecos Blind Snake (Leptotyphlops humilis segregus)

Utah Blind Snake (Leptotyphlops humilis utahensis)

Family: Natricidae

Genus:Clonophis

Kirtland's Snake (Clonophis kirtlandii)

Genus: Nerodia

Atlantic Salt Marsh Snake (Nerodia clarkii taeniata)

Banded Water Snake (Neroda f. fasciata)

Blotched Water Snake (Nerodia erythrogaster transversa)

Brazos Water Snake (Nerodia h. harteri)

Broad-banded Water Snake (Nerodia fasciata confluens)

Brown Water Snake (Nerodia taxispilota)

Carolina Water Snake (Nerodia sipedon williamengelsi)

Concho Water Snake (Nerodia paucimaculata)

Copperbellied Water Snake (Nerodia erythrogaster neglecta)

Diamond-backed Water Snake (Nerodia r. rhombifer)

Florida Green Water Snake (Nerodia floridana)

Florida Water Snake (Nerodia fasciata pictiventris)

Gulf Coast Marsh Snake (Nerodia c. clarki)

Lake Erie Water Snake (Nerodia sipedon insularum)

Mangrove Salt Marsh Smake (Nerodia clarkii compressicauda)

Midland Water Snake (Nerodia sipedon pleuralis)

Mississippi Green Water Snake (Nerodia cyclopion)

Northern Water Snake (Nerodia s. sipedon)

Redbellied Water Snake (Nerodia e. erythrogaster)

Yellow-bellied Water Snake (Nerodia erythrogaster flavigaster)

Genus: Regina

Delta Crayfish Snake (Regina rigida deltae)

Glossy Crayfish Snake (Regina r. rigida)

Graham's Crayfish Snake (Regina grahami)

Gulf Crayfish Snake (Regina rigida sinicola)

Queen Snake (Regina septemvittata)

Striped Crayfish Snake (Regina alleni )

Genus: Seminatrix

Carolina Swamp Snake (Seminatrix pygaea paludis)

North Florida Swamp Snake (Seminatrix p. pygaea)

South Florida Swamp Snake (Seminatrix pygaea cyclas)

Genus: Storeria

Black Hills Red-bellied Snake (Storeria occipitomaculata pahasapae )

Florida Brown Snake (Storeria dekayi victa)

Florida Red-bellied Snake (Storeria occipitomaculata obscura)

Marsh Brown Snake (Storeria dekayi limnetes)

Midland Brown Snake (Storeria dekayi wrightorum)

Northern Brown Snake (Storeria d. dekayi)

Northern Red-bellied Snake (Storeria o. occipitomaculata)

Texas Brown Snake (Storeria dekayi texana)

Genus: Thamnophis

Arid Land Ribbon Snake (Thamnophis proximus diabolicus)

Butler's Garter Snake (Thamnophis butleri)

California Red-sided Garter Snake (Thamnophis sirtalis concinnus)

Checkered Garter Snake (Thamnophis m. marcianus)

Diablo Garter Snake (Thamnophis atratus zaxanthus )

Eastern Black-necked Garter Snake (Thamnophis cyrtopsis ocellatus)

Eastern Garter Snake (Thamnophis s. sirtalis)

Eastern Ribbon  Snake (Thamnophis s. sauritus)

Giant Garter Snake (Thamnophis gigas)

Gulf Coast Ribbon Snake (Thamnophis proximus orarius)

Maritime Garter Snake (Thamnophis sirtalis pallidulus)

Mountain Garter Snake (Thamnophis e. elegans)

Narrowhead Garter Snake (Thamnophis rufipunctatus)

New Mexico Garter Snake (Thamnophis sirtalis dorsalis)

Northern Mexican Garter Snake (Thamnophis megalops)

Northern Ribbon Snake (Thamnophis sauritus septentrionalis)

Northwestern Garter Snake (Thamnophis ordinoides )

Oregon Garter Snake (Thamnophis atratus hydrophilus)

Peninsula Ribbon  Snake (Thamnophis s. sackenii)

Plains Garter Snake (Thamnophis radix)

Puget Sound Garter Snake (Thamnophis sirtalis pickeringii)

Red-sided Garter Snake (Thamnophis sirtalis parietulis)

Red-spotted Garter Snake (Thamnophis sirtalis concinnus)

Red-striped Ribbon Snake (Thamnophis proximus rubrilineatus)

San Francisco Garter Snake (Thamnophis sirtalis tetrataenia)

Santa Cruz Garter Snake (Thamnophis a. atractus)

Shorthead Garter Snake (Thamnophis brachystoma )

Texas Garter Snake (Thamnophis sirtalis annectens)

Two-striped Garter Snake (Thamnophis hammondii)

Valley Garter Snake (Thamnophis sirtalis fitchi)

Wandering Garter Snake (Thamnophis elegans)

Western Aquatic Garter Snake (Thamnophis couchii )

Western Black-necked Garter Snake (Thamnophis c. cyrtopsis)

Western Plains Garter Snake (Thamnophis radix haydeni)

Western Ribbon Snake (Thamnophis p. proximus)

Wandering Garter Snake (Thamnophis elegans)

Genus: Tropidoclonion

Lined Snake (Tropidoclonion lineatum)

Genus: Virginia

Eastern Earth Snake (Virginia v. valeriae)

Mountain Earth Snake (Virginia pulchra)

Rough Earth Snake (Virginia striatula)

Smooth Earth Snake (Virginia valeriae)

Western Earth Snake (Virginia valeriae elegans)

Family: Pythonidae

Genus: Python

Burmese Python (Python molurus bivittatus)- introduced

Family: Typhlopidae

Genus: Ramphotyphlops

Brahminy Blind Snake (Ramphotyphlops braminus)- introduced

Family: Xenodontidae

Genus: Farancia

Eastern Mud Snake (Farancia a. abacura)

Rainbow Snake (Farancia e. erytrogramma)

South Florida Rainbow Mud Snake (Farancia erytrogramma seminola)

Western Mud Snake (Farancia abacura reinwardti)

Genus: Heterodon

Dusty Hog-nosed Snake (Heterodon nasicus gloydi)

Eastern Hog-nosed Snake (Heterodon platirhinos)

Mexican Hog-nosed Snake (Heterodon kennerlyi)

Plains Hog-nosed Snake (Heterodon n. nasicus)

Southern Hog-nosed Snake (Heterodon simus)

Venomous Snakes

Family: Elapidae

Genus: Micruroides

Arizona Coral Snake (Micruroides e. euryxanthus)

Genus: Micrurus

Eastern Coral Snake (Micrurus fulvius)

Texas Coral Snake (Micrurus tener)

Family: Hydrophiidae

Genus:Pelamis

Yellowbelly Sea Snake (Pelamis platurus)

Family: Crotalidae

Genus: Agkistrodon

Broad-banded Copperhead (Agkistrodon contortrix latcinctus)

Eastern Cottonmouth (Agkistrodon p. piscivorus)

Florida Cottonmouth (Agkistrodon piscivorus conanti)

Northern Copperhead (Agkistrodon controtrix mokasen)

Osaga Copperhead (Agkistrodon controtrix phaeogaster)

Southern Copperhead (Agkistrodon c. contortrix)

Trans-pecos Copperhead (Agkistrodon controtrix pictigaster)

Western Cottonmouth (Agkistrodon piscivorus leucostoma)

Genus: Crotalus

Arizona Black Rattlesnake (Crotalus oreganus cerberus)

Arizona Ridgenose Rattlesnake (Crotalus w. willardi)

Banded Rock Rattlesnake (Crotalus lepidus klauberi)

Timber Rattlesnake (Crotalus horridus)

Colorado Desert Sidewinder (Crotalus cerastes laterorepens)

Eastern Diamond-backed Rattlesnake (Crotalus adamanteus)

Grand Canyon Rattlesnake (Crotalus oreganus abyssus)

Great Basin Rattlesnake (Crotalus oreganus lutosus)

Hopi Rattlesnake (Crotalus viridis nuntius)

Midget Faded Rattlesnake (Crotalus oreganus concolor)

Mohave Rattlesnake (Crotalus s. scutulartus)

Mojave Sidewinder (Crotalus c. cerastes)

Mottled Rock Rattlesnake (Crotalus l. lepidus)

New Mexico Ridgenose Rattlesnake (Crotalus willardi obscurus)

Northern Black-tailed Rattlesnake (Crotalus m. molossus)

Northern Pacific Rattlesnake (Crotalus o. oreganus)

Panamint Rattlesnake (Crotalus mitchellii stephensi )

Prairie Rattlesnake (Crotalus viridis viridis)

Red Diamond Rattlesnake (Crotalus ruber)

Sonoran Sidewinder (Crotalus cerastes cercobombus)

Southern Pacific Rattlesnake (Crotalus oreganus helleri)

Southwestern Speckled Rattlesnake (Crotalus mitchellii pyrrhus)

Tiger Rattlesnake (Crotalus tigris)

Twin-spotted Rattlesnake (Crotalus p. pricei)

Western Diamond-backed Rattlesnake (Crotalus atrox)

Genus: Sistrurus

Carolina Pygmy Rattlesnake (Sistrurus m. miliarius)

Dusky Pygmy Rattlesnake (Sistrurus miliarius barbouri)

Eastern Massasauga (Sistrurus c. catenatus)

Desert Massasauga (Sistrurus catenatus edwardsi)

Western Massasauga (Sistrurus catenatus tergeminus)

Western Pygmy Rattlesnake (Sistrurus miliarius streckeri)