List of reptiles of North America

This is a checklist of American reptiles found north from Mexico, based primarily on SSAR publications.[1][2][3] It includes all species of the United States and Canada, including recently introduced species such as Chameleons, the Nile monitor, and the Burmese python. Subspecies are listed only in a few cases. The information about range and status of almost all of these species can be found also in the IUCN Red List of Threatened Species site.[4]

* alien species

ExtinctionExtinctionEndangered speciesVulnerable speciesThreatened species

Summary of 2006 IUCN Red List categories.

Conservation status – IUCN Red List of Threatened Species:

EX – Extinct, EW – Extinct in the wild
CR – Critically endangered, EN – Endangered, VU – Vulnerable
NT – Near threatened, LC – Least concern
DD – Data deficient, NE – Not evaluated
(v. 2013.2, the data is current as of March 5, 2014[5])

and Endangered Species Act:

E – Endangered, T – Threatened
XN, XE – Experimental non-essential or essential population
E(S/A), T(S/A) – Endangered or threatened due to similarity of appearance
(the data is current as of March 28, 2014[6])
Contents:

 Crocodylia

 Alligatoridae
 Crocodylidae

 Turtles

 Cryptodira
 Tortoises
 Pond turtles
 Cheloniidae
 Dermochelyidae
 Chelydridae
 Kinosternidae
 Softshells
 Pleurodira
 Side-necked turtles

 Scaled reptiles

 Iguania
 Agamas
 Chameleons
 Collared and leopard lizards
 Iguanas
 Phrynosomatidae
 Anoles
 Polychrotidae
 Casquehead lizards
 Curly-tailed lizards
 Gekkota
 Geckos

 

 Autarchoglossa
 Wall or true lizards
 Skinks
 Anguidae
 American legless lizards
 Gila monsters
 Tegus or whiptails
 Night lizards
 Monitor lizards
 Amphisbaenia
 North American worm lizards

 

 Snakes
 Blind snakes
 Boas
 Colubrids
 Viperidae
 Elapidae
 Slender blind snakes
 File snakes
 Pythons


Order: Crocodylia


American alligator
Alligator mississippiensis
Family: Alligatoridae
Alligators
  • American alligator Alligator mississippiensis LR/lc T(S/A)
  • Spectacled caiman Caiman crocodilus * LR/lc
Family: Crocodylidae
Subfamily: Crocodylinae
Crocodiles
  • American crocodile Crocodylus acutus VU E (FL: T only)


Order: Testudines (Turtles)


Suborder: Cryptodira


Family: Testudinidae Tortoises
Mohave Desert tortoise Gopherus agassizii
Gopher tortoises
  • Gopher tortoise Gopherus polyphemus VU T
  • Berlandier’s tortoise Gopherus berlandieri LR/lc
  • Bolson tortoise Gopherus flavomarginatus VU
  • Mohave Desert tortoise Gopherus agassizii VU T
    (AZ south and east of Colorado R.: T(S/A) only) and:
Typical tortoises
Family: Emydidae Pond turtles
Subfamily: Emydinae
Pond turtles
  • Species split from former Western pond turtle (Actinemys marmorata) VU:[3]
  • Northwestern pond turtle Actinemys (marmorata) marmorata [n 2]
  • Southwestern pond turtle Actinemys (marmorata) pallida [n 2]
  • Spotted turtle Clemmys guttata EN
  • Wood turtle Glyptemys insculpta EN
  • Bog turtle Glyptemys muhlenbergii CR T
    (GA, NC, SC, TN, VA: T(S/A) only)
Blanding's turtle
  • Blanding’s turtle Emydoidea blandingii EN
Box turtles
  • Eastern box turtle Terrapene carolina VU and:
Subfamily: Deirochelyinae
Black-knobbed map turtle
Graptemys nigrinoda hatchlings
Sliders
  • Pond slider Trachemys scripta LC
  • Mexican plateau slider Trachemys gaigeae VU
  • Jamaican slider Trachemys terrapen * [7] VU[n 1]
Painted turtles
  • Painted turtle Chrysemys picta LC and:
  • Southern painted turtle Chrysemys dorsalis [n 2] (formerly in Ch. picta)
Chicken turtles
  • Chicken turtle Deirochelys reticularia
Map turtles
  • Barbour’s map turtle Graptemys barbouri VU
  • Cagle’s map turtle Graptemys caglei EN
  • Escambia map turtle Graptemys ernsti NT
  • Yellow-blotched map turtle Graptemys flavimaculata VU T
  • Northern map turtle Graptemys geographica LC
  • Pascagoula map turtle Graptemys gibbonsi EN and:
  • Pearl river map turtle Graptemys pearlensis EN [3] (formerly in G. gibbonsi)
  • Black-knobbed map turtle Graptemys nigrinoda LC
  • Ringed map turtle Graptemys oculifera VU T
  • Species split from the Ouachita map turtle (Graptemys ouachitensis) LC:
  • Ouachita map turtle Graptemys (ouachitensis) ouachitensis [3][n 2]
  • Sabine map turtle Graptemys (ouachitensis) sabinensis [3][n 2]
  • False map turtle Graptemys pseudogeographica LC
  • Alabama map turtle Graptemys pulchra NT
  • Texas map turtle Graptemys versa LC
Diamond-backed terrapin
  • Diamond-backed terrapin Malaclemys terrapin LR/nt
Redbelly turtles and cooters
  • Alabama red-bellied cooter Pseudemys alabamensis EN E
  • River cooter Pseudemys concinna LC and:
  • Suwannee cooter Pseudemys suwanniensis [n 2] (formerly in P. concinna)
  • Rio Grande cooter Pseudemys gorzugi NT
  • Florida red-bellied cooter Pseudemys nelsoni LC
  • Peninsula cooter Pseudemys peninsularis LC
  • Northern red-bellied cooter Pseudemys rubriventris NT (Plymouth red-bellied turtle P. r. bangsi: E)
  • Texas cooter Pseudemys texana LC
Family: Cheloniidae
Green sea turtle Chelonia mydas
  • Olive Ridley sea turtle Lepidochelys olivacea VU T
  • Loggerhead sea turtle Caretta caretta EN (North Pacific: E, Northwest Atlantic: T)
  • Kemp's Ridley sea turtle Lepidochelys kempii CR E
  • Green sea turtle Chelonia mydas EN T
    (Hawaiian subpopulation: LC, Breeding colony populations in FL: E)
  • Hawksbill sea turtle Eretmochelys imbricata CR E
Family: Dermochelyidae
  • Leatherback sea turtle Dermochelys coriacea VU E
    (East Pacific Ocean subpopulation – i.e. Hawaiian Is.: CR, West Pacific Ocean subpopulation: CR, Northwest Atlantic Ocean subpopulation: LC)
Family: Chelydridae
Snapping turtles
  • Snapping turtle Chelydra serpentina LC
Alligator snapping turtles
  • Species split from the Alligator snapping turtle (Macrochelys temminckii) VU:
  • Alligator snapping turtle Macrochelys temminckii [3] including:
  • Apalachicola alligator snapping turtle Macrochelys apalachicolae [n 3] (currently not recognized)
  • Suwannee alligator snapping turtle Macrochelys suwanniensis [3]
Family: Kinosternidae
Mud turtles
  • Arizona mud turtle Kinosternon (flavescens) stejnegeri[7][n 3]
    (formerly Kinosternon arizonense[3] LC)
  • Striped mud turtle Kinosternon baurii LC
  • Yellow mud turtle Kinosternon flavescens LC
  • Rough-footed mud turtle Kinosternon hirtipes LC
  • Sonora mud turtle Kinosternon sonoriense NT
  • Species split from the Eastern mud turtle (Kinosternon subrubrum) LC:
  • Eastern mud turtle Kinosternon subrubrum [3]
  • Florida mud turtle Kinosternon (subrubrum) steindachneri [3][n 2]
Musk turtles
Spiny softshell Apalone spinifera
  • Razor-backed musk turtle Sternotherus carinatus LC
  • Flattened musk turtle Sternotherus depressus CR T
  • Loggerhead musk turtle Sternotherus minor LC and:
  • Stripe-necked musk turtle Sternotherus (minor) peltifer [7][n 4][n 3] (split from S. minor)
Giant musk turtles
  • Pacific Coast Giant Musk Turtle Staurotypus salvinii * [3] NT
Family: Trionychidae Softshells
  • Florida softshell Apalone ferox LC
  • Smooth softshell Apalone mutica LC
  • Spiny softshell Apalone spinifera LC
  • Wattle-necked softshell Palea steindachneri * EN (Hawaii only)
  • Chinese softshell Pelodiscus sinensis * VU (Hawaii only)

Suborder: Pleurodira


Family: Podocnemididae Side-necked turtles
  • Yellow-spotted Amazon River turtle Podocnemis unifilis * [7] VU[n 1]


Order: Squamata (scaled reptiles)


Suborder: Iguania


Family: Agamidae Agamas
Subfamily: Agaminae
Subfamily: Leiolepidinae
  • Butterfly lizard Leiolepis belliana *
  • Red-banded butterfly lizard Leiolepis rubritaeniata *
Family: Chamaeleonidae Chameleons
Subfamily: Chamaeleoninae
  • Veiled chameleon Chamaeleo calyptratus * LC
  • Jackson's chameleon Trioceros jacksonii *
  • Oustalet's chameleon Furcifer oustaleti * LC
  • Panther Chameleon Furcifer pardalis * [3] LC
Family: Crotaphytidae Collared and leopard lizards
Eastern collared lizard
Crotaphytus collaris
Collared lizards
  • Great Basin collared lizard Crotaphytus bicinctores LC
  • Eastern collared lizard Crotaphytus collaris LC
  • Sonoran collared lizard Crotaphytus nebrius LC
  • Reticulate collared lizard Crotaphytus reticulatus VU
  • Baja California collared lizard Crotaphytus vestigium LC
Leopard lizards
  • Cope’s leopard lizard Gambelia copeii LC
  • Blunt-nosed leopard lizard Gambelia sila EN E
  • Long-nosed leopard lizard Gambelia wislizenii LC
Family: Iguanidae Iguanas
Common Chuckwalla Sauromalus ater
  • Isla San Esteban spiny-tailed iguana Ctenosaura conspicuosa *
  • Sonoran spiny-tailed iguana Ctenosaura macrolopha *
  • Mexican spiny-tailed iguana Ctenosaura pectinata *
  • Gray's spiny-tailed iguana Ctenosaura similis * LC
  • Desert iguana Dipsosaurus dorsalis LC
  • Green iguana Iguana iguana *
Chuckwallas
Family: Phrynosomatidae
Zebratail lizards
  • Zebra-tailed lizard Callisaurus draconoides LC
Greater earless lizards
  • Greater earless lizard Cophosaurus texanus LC
Lesser earless lizards
Banded rock lizards
  • Mearns’s rock lizard Petrosaurus mearnsi LC
Horned lizards
Desert Horned Lizard
Phrynosoma platyrhinos
  • Blainville's horned lizard Phrynosoma blainvillii (formerly in P. cornutum)
  • Goode's horned lizard Phrynosoma goodei (formerly in Phrynosoma platyrhinos)
Spiny lizards
  • Eastern fence lizard Sceloporus undulatus
  • Prairie lizard Sceloporus consobrinus
  • Southwestern fence lizard Sceloporus cowlesi
  • Plateau fence lizard Sceloporus tristichus
  • Common sagebrush lizard Sceloporus graciosus LC and:
  • Southern sagebrush lizard Sceloporus (graciosus) vandenburgianus LC [10][n 4][n 3] (split from S. graciosus)
  • Texas spiny lizard Sceloporus olivaceus LC
  • Granite spiny lizard Sceloporus orcutti LC
  • Crevice spiny lizard Sceloporus poinsettii LC
  • Slevin's bunchgrass lizard Sceloporus slevini LC
  • Rose-bellied lizard Sceloporus variabilis LC, but only:
    • Texas rose-bellied lizard Sceloporus (variabilis) marmoratus[7][n 4][n 3] (split from S. variabilis)
  • Striped plateau lizard Sceloporus virgatus LC
  • Florida scrub lizard Sceloporus woodi NT
  • Ornate spiny lizard Sceloporus ornatus[7] NT[n 1]
Fringe-toed lizards
  • Coachella fringe-toed lizard Uma inornata EN T
  • Colorado Desert fringe-toed lizard Uma notata NT and:
  • Yuman fringe-toed lizard Uma rufopunctata NT (formerly in U. notata)
  • Mohave fringe-toed lizard Uma scoparia LC
Tree and brush lizards
Side-blotched lizards
  • Common sideblotched lizard Uta stansburiana LC
Family: Dactyloidae Anoles
Green anole Anolis carolinensis
Anoles
Family: Polychrotidae
Family: Corytophanidae Casquehead lizards
  • Brown basilisk Basiliscus vittatus *
Family: Leiocephalidae Curly-tailed lizards

Suborder: Gekkota


Family: Gekkonidae geckos
Subfamily: Gekkoninae
Texas banded gecko
Coleonyx brevis
Subfamily: Eublepharinae
Banded geckos
  • Texas banded gecko Coleonyx brevis LC
  • Reticulate banded gecko Coleonyx reticulatus LC
  • Switak's banded gecko Coleonyx switaki LC
  • Western banded gecko Coleonyx variegatus LC

Suborder: Autarchoglossa


Family: Lacertidae Wall or true lizards
Subfamily: Lacertinae
  • Western green lacerta Lacerta bilineata * LC
  • Common wall lizard Podarcis muralis * LC
  • Italian wall lizard Podarcis siculus * LC
Family: Scincidae Skinks
Subfamily: Scincinae
Subfamily: Lygosominae
Family: Anguidae
Eastern Glass Lizard
Ophisaurus ventralis
Subfamily: Anguinae
Glass lizards
  • Slender glass lizard Ophisaurus attenuatus LC
  • Island glass lizard Ophisaurus compressus LC
  • Mimic glass lizard Ophisaurus mimicus LC
  • Eastern glass lizard Ophisaurus ventralis LC
Subfamily: Gerrhonotinae
Western alligator lizards
  • Northern alligator lizard Elgaria coerulea LC
  • Madrean alligator lizard Elgaria kingii LC
  • Southern alligator lizard Elgaria multicarinata LC
  • Panamint alligator lizard Elgaria panamintina VU
Eastern alligator lizards
  • Texas alligator lizard Gerrhonotus infernalis LC
Family: Anniellidae American legless lizards
California legless lizards
Family: Helodermatidae Gila monsters
Gila monster
  • Gila monster Heloderma suspectum NT
Family: Teiidae Tegus or whiptails
  • Gila spotted whiptail Aspidoscelis flagellicauda LC [n 7] (sometimes in A. sonorae[7])
Family: Xantusiidae Night lizards
Night lizards
  • Species split from the desert night lizard (Xantusia vigilis) LC:
  • Desert night lizard Xantusia vigilis
  • Arizona night lizard Xantusia arizonae LC
  • Sierra night lizard Xantusia sierrae
  • Wiggins' night lizard Xantusia wigginsi
  • Bezy's night lizard Xantusia bezyi LC
  • Sandstone night lizard Xantusia gracilis VU
  • Granite night lizard Xantusia henshawi LC
  • Island night lizard Xantusia riversiana LC T
Family: Varanidae Monitor lizards
Florida wormlizard Rhineura floridana
  • Nile monitor Varanus niloticus *
  • Savannah monitor Varanus exanthematicus * [7] LC[n 1]
  • Common water monitor Varanus salvator * [7] LC[n 1]

Suborder: Amphisbaenia


Family: Rhineuridae North American worm lizards
Worm lizards
  • Florida wormlizard Rhineura floridana LC

Suborder: Serpentes


Family: Typhlopidae Blind snakes
Family: Boidae Boas
Subfamily: Erycinae
Rubber and rosy boas
  • Rosy boa Lichanura orcutti (formerly in L. trivirgata)
Blind snakes
Subfamily: Boinae
Boas
Family: Colubridae Colubrids
Subfamily: Colubrinae
Racers
  • North American racer Coluber constrictor LC
Whipsnakes
  • Sonoran whipsnake Coluber bilineatus LC
  • Coachwhip Coluber flagellum LC and:
  • Baja California coachwhip Coluber fuliginosus (formerly in C. flagellum)
  • Striped racer Coluber lateralis LC (Alameda striped racer C. l. euryxanthus: T)
  • Striped Whipsnake Coluber taeniatus LC and:
  • Schott’s whipsnake Coluber schotti LC (formerly in C. taeniatus)
Desert rat snakes
  • Baja California ratsnake Bogertophis rosaliae LC
  • Trans-Pecos ratsnake Bogertophis subocularis LC
Rat snakes and fox snakes
Eastern ratsnake
Pantherophis alleghaniensis
  • Red cornsnake Pantherophis guttatus LC and:
  • Slowinski's cornsnake Pantherophis slowinskii DD (formerly in P. guttatus)
Glossy snakes
Glossy snake Arizona elegans
  • Glossy snake Arizona elegans LC
Scarlet snakes
  • Texas scarletsnake Cemophora lineri [3][n 2] (formerly in C. coccinea)
Sand snakes
  • Variable sandsnake Sonora straminea,[11][7] syn. Chilomeniscus stramineus[3] LC and:
  • Banded sand snake Sonora cincta, syn. Chilomeniscus cinctus [11][7][n 3] (split back from Ch. stramineus)
Ground snake
Shovel-nosed snakes
  • Resplendent desert shovel-nosed snake Sonora annulata[11][7], syn. Chionactis annulata[3] [n 2] (formerly in Ch. occipitalis[3])
Indigo snakes
  • Eastern indigo snake Drymarchon couperi LC T
  • Gulf coast indigo snake Drymarchon kolpobasileus[3]
  • Central American indigo snake Drymarchon melanurus LC
Speckled racers
Mexican hognose snakes
Plateau hooknose snakes
Night snakes
  • Gray-banded kingsnake Lampropeltis alterna LC
  • Species split from the yellow-bellied kingsnake (Lampropeltis calligaster) LC:
Short-tailed snake
Kingsnakes
  • Species split from the milksnake (Lampropeltis triangulum):
  • Eastern milksnake Lampropeltis triangulum [3]
  • Scarlet kingsnake Lampropeltis elapsoides [3][n 2]
  • Mexican milksnake Lampropeltis (triangulum) annulata [3][n 2]
  • Western milksnake Lampropeltis gentilis [3][n 2]
  • California mountain kingsnake Lampropeltis zonata LC and:
  • Coast mountain kingsnake Lampropeltis (zonata) multifasciata [3][n 2] (formerly in L. zonata)
Rough green snake
Rough Greensnake Opheodrys aestivus
Smooth green snake
  • Smooth greensnake Opheodrys vernalis LC
Neotropical vine snakes
Leaf-nosed snakes
  • Saddled leaf-nosed snake Phyllorhynchus browni LC
  • Spotted leaf-nosed snake Phyllorhynchus decurtatus LC
Bull, gopher, and pine snakes
  • Gopher snake Pituophis catenifer LC
  • Pinesnake Pituophis melanoleucus LC
  • Louisiana pine snake Pituophis ruthveni EN
Pine wood snake
  • Pine Woods littersnake Rhadinaea flavilata LC
Long-nosed snake
  • Long-nosed snake Rhinocheilus lecontei LC
Patch-nosed snakes
  • Big Bend patch-nosed snake Salvadora (hexalepis) deserticola [7][n 4][n 3] (split from S. hexalepis)
Mountain ratsnake
  • Green ratsnake Senticolis triaspis LC
Black-headed, flat-headed, and crowned snakes
  • Mexican black-headed snake Tantilla atriceps LC
  • Southeastern crowned snake Tantilla coronata LC
  • Trans-Pecos black-headed snake Tantilla cucullata LC (formerly in T. rubra)
  • Flat-headed snake Tantilla gracilis LC
  • Smith's black-headed snake Tantilla hobartsmithi LC
  • Plains black-headed snake Tantilla nigriceps LC
  • Rim rock crowned snake Tantilla oolitica EN
  • Western black-headed snake Tantilla planiceps LC
  • Florida crowned snake Tantilla relicta LC
  • Chihuahuan black-headed snake Tantilla wilcoxi LC
  • Yaqui black-headed snake Tantilla yaquia LC
Lyre snakes
  • Sonoran lyresnake Trimorphodon lambda
  • California lyresnake Trimorphodon lyrophanes
  • Texas lyresnake Trimorphodon vilkinsonii LC (formerly in T. biscutatus)
Subfamily: Natricinae
Shovel-nosed snakes
  • Kirtland’s snake Clonophis kirtlandii NT
Water snakes
Saltmarsh watersnake Nerodia clarkii
  • Southern watersnake Nerodia fasciata LC:
    • Broad-banded watersnake N. f. confluens
    • Banded watersnake N. f. fasciata
    • Florida watersnake N. f. pictiventris
  • Florida green watersnake Nerodia floridana LC
  • Brazos River watersnake Nerodia harteri NT
  • Concho watersnake Nerodia paucimaculata NT
  • Diamond-backed watersnake Nerodia rhombifer LC
  • Common watersnake Nerodia sipedon LC
  • Brown watersnake Nerodia taxispilota LC
Crayfish snakes
Swampsnakes
  • Striped swampsnake Liodytes alleni LC
  • Glossy swampsnake Liodytes rigida LC
  • Black swampsnake Liodytes pygaea LC
Brown snakes
  • Florida brown snake Storeria victa [n 2] (formerly in S. dekayi)
Garter snakes
  • Aquatic gartersnake Thamnophis atratus LC
  • Short-headed gartersnake Thamnophis brachystoma LC
  • Butler's gartersnake Thamnophis butleri LC
  • Sierra gartersnake Thamnophis couchii LC
  • Black-necked gartersnake Thamnophis cyrtopsis LC
  • Terrestrial gartersnake Thamnophis elegans LC
  • Mexican gartersnake Thamnophis eques LC
  • Giant gartersnake Thamnophis gigas VU T
  • Two-striped gartersnake Thamnophis hammondii LC
  • Checkered gartersnake Thamnophis marcianus LC
  • Northwestern gartersnake Thamnophis ordinoides LC
  • Western ribbonsnake Thamnophis proximus LC
  • Plains gartersnake Thamnophis radix LC
  • Narrow-headed gartersnake Thamnophis rufipunctatus LC
  • Eastern ribbonsnake Thamnophis saurita LC
  • Common gartersnake Thamnophis sirtalis LC (San Francisco Gartersnake T. s. tetrataenia: E)
Lined snake
  • Lined snake Tropidoclonion lineatum LC
Earth snakes
Subfamily: Dipsadinae
Sharp-tailed snakes
Night snakes
  • Species split from the night snake (Hypsiglena torquata) LC:
  • Desert nightsnake Hypsiglena chlorophaea
  • Chihuahuan nightsnake Hypsiglena jani
  • Coast nightsnake Hypsiglena ochrorhyncha
Cat-eyed snakes
Subfamily: Xenodontinae
Worm snakes
Black-striped snake
  • Regal black-striped snake Coniophanes imperialis LC
Ringneck snake
  • Ring-necked snake Diadophis punctatus LC
Mud snake and rainbow snake
  • Red-bellied mudsnake Farancia abacura LC
  • Rainbow snake Farancia erytrogramma LC
Hog-nosed snakes
  • Plains hog-nosed snake Heterodon nasicus [n 2]
  • Dusty hog-nosed snake Heterodon gloydi [n 2]
  • Mexican hog-nosed snake Heterodon kennerlyi [n 2]
  • Eastern hog-nosed snake Heterodon platirhinos LC
  • Southern hog-nosed snake Heterodon simus VU
Family: Viperidae
Copperhead Agkistrodon contortrix
camouflaged in dead leaves
Cottonmouth Agkistrodon piscivorus
Texas threadsnake Rena dulcis
Subfamily: Crotalinae
Copperhead and cottonmouth
Rattlesnakes
Pigmy rattlesnakes
  • Western massasauga Sistrurus tergeminus [3][n 2] (formerly in the massasauga S. catenatus)
Family: Elapidae
Western coral snake
  • Sonoran coral snake Micruroides euryxanthus LC
Eastern coral snake
Subfamily: Hydrophiinae
Pelagic sea snake
  • Yellow-bellied seasnake Hydrophis platurus LC
Family: Leptotyphlopidae Slender blind snakes
Blind snakes
  • New Mexico threadsnake Rena dissecta LC (formerly in R. dulcis)
  • Trans-Pecos blind threadsnake Rena (humilis) segrega [7][n 4][n 3] (split from R. humilis)
Family: Acrochordidae File snakes
  • Javanese file snake Acrochordus javanicus * LC
Family: Pythonidae Pythons

See also

Notes

  1. Species not listed by SSAR[3]
  2. Subspecies elevated to full species rank[3]
  3. Species not recognized by SSAR[3]
  4. Subspecies[3] elevated to full species rank
  5. Subspecies elevated to full species rank[7]
  6. Additional native status is an unresolved issue[3]
  7. Unisexual[3]
  8. Subspecies elevated to full species rank[2]
  9. A. exsanguis × A. inornata, generated in the laboratory, not known to occur in the wild[3]

References

  1. Committee On Standard English And Scientific Names. Brian I. Crother (Committee Chair) (August 2012). Scientific and Standard English Names of Amphibians and Reptiles of North America North of Mexico, with comments regarding confidence in our understanding. Seventh edition. SSAR Herpetological circular No. 39 (PDF). Shoreview, MN: Society for the Study of Amphibians and Reptiles (SSAR). pp. 1–92. ISBN 978-0-916984-85-4. Retrieved December 13, 2014.CS1 maint: uses authors parameter (link)
  2. Committee On Standard English And Scientific Names. Brian I. Crother (Committee Chair) (September 2008). Scientific and Standard English Names of Amphibians and Reptiles of North America North of Mexico, with comments regarding confidence in our understanding. Sixth edition. SSAR Herpetological circular No. 37 (PDF). Shoreview, MN: Society for the Study of Amphibians and Reptiles (SSAR). pp. 1–84. ISBN 0-916984-74-5. Retrieved December 13, 2014.CS1 maint: uses authors parameter (link)
  3. Committee On Standard English And Scientific Names. Brian I. Crother (Committee Chair) (September 2017). Scientific and Standard English Names of Amphibians and Reptiles of North America North of Mexico, with comments regarding confidence in our understanding. Eighth edition. SSAR Herpetological circular No. 43 (PDF). Shoreview, MN: Society for the Study of Amphibians and Reptiles (SSAR). pp. 1–102. ISBN 9781946681003. Retrieved October 11, 2017.CS1 maint: uses authors parameter (link)
  4. "Search Results: Reptilia North America 2014-12-13". IUCN Red List of Threatened Species. Version 2014.3 <www.iucnredlist.org>. IUCN. 2014. Retrieved 12 December 2014. Search terms Search by taxonomy: REPTILIA, Search by location: Canada, United States, (Native, Introduced, Vagrant, Uncertain), Refinements : [X] Show regional assessments:, Taxa to show: Species, Subspecies and varieties, Stocks and subpopulation). Downloaded on 12 December 2014
  5. "The IUCN Red List of Threatened Species". International Union for Conservation of Nature and Natural Resources. Retrieved March 5, 2014.
  6. "Title 50: Wildlife and Fisheries, § 17.11 Endangered and threatened wildlife". US Government Printing Office. Retrieved March 28, 2014.
  7. Uetz, P., Freed, P. & Hošek, J. (eds.) (2020). "The Reptile Database". Zoological Museum Hamburg. Retrieved 22 July 2020.CS1 maint: uses authors parameter (link)
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Further reading

Reptilia endangered species

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