Reptiles of Oklahoma [USA] Related checklists:  USA Bibliography of the reptiles of Oklahoma Taxonomic history of the reptiles of Oklahoma Introduced species

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Citation: Midtgaard, Rune. RepFocus - A Survey of the Reptiles of the World. www.repfocus.dk (Compilation date: 14th April, 2023).

Checklist General remarks: The list includes only formally described species. Newly discovered, but still unnamed species are excluded. However, unnamed species or species unassigned to species level are included, if they are the only representatives of their genus in the region. Species counts exclude extinct and introduced species. Doubtful records, typically older voucher specimens of uncertain origin, have been excluded if considered questionable, as are records based on sources considered unreliable or controversial. Note: Your comments to the checklist (omissions, errors, etc.) are welcomed, preferably if they are provided with reliable references. If possible, please attach a pdf file of the relevant reference to an email addressed to:

	Crocodilians (Crocodylia)
	= endemicEX = extinct or assumed extinct Species References  Family Alligatoridae (Alligators and Caimans) Genus Alligator (Alligators)   Alligator mississippiensis American Alligator Behler & King 1979 Sievert & Sievert 1993

	Lizards (Sauria)
	= endemicEX = extinct or assumed extinct Species References  Family Anguidae (Slowworms, etc.) Genus Ophisaurus (North American Glass Lizards)   Ophisaurus attenuatus Slender Glass Lizard Behler & King 1979 Holman 1971 Sievert & Sievert 1993  Family Anolidae (Anoles) Genus Anolis (Typical Anoles)   Anolis carolinensis Common Green Anole Behler & King 1979 Sievert & Sievert 1993  Family Crotaphytidae (North American Collared Lizards) Genus Crotaphytus (Typical Collared Lizards)   Crotaphytus collaris Common Collared Lizard McGuire 1996 Sievert & Sievert 1993  Family Phrynosomatidae (North American Lesser Iguanas) Genus Holbrookia (Lesser Earless Lizards)   Holbrookia maculata Common Lesser Earless Lizard Sievert & Sievert 1993 Genus Phrynosoma (Horned Lizards)   Phrynosoma cornutum Texas Horned Lizard Price 1990 Sievert & Sievert 1993   Phrynosoma modestum Round-tailed Horned Lizard Jones & Lovich (eds.) 2009 Sievert & Sievert 1993 Genus Sceloporus (Northern Spiny Lizards)   Sceloporus consobrinus Prairie Lizard Leache & Reeder 2002 Sievert & Sievert 1993   Sceloporus olivaceus Texas Spiny Lizard Behler & King 1979 Jones & Lovich (eds.) 2009   Sceloporus undulatus Eastern Fence Lizard Sievert & Sievert 1993 Genus Uta (Side-blotched Lizards)   Uta stansburiana Common Side-blotched Lizard Sievert & Sievert 1993  Family Scincidae (Skinks) Genus Plestiodon (Blue-tailed Skinks)   Plestiodon anthracinus Coal Skink Sievert & Sievert 1993   Plestiodon fasciatus North American Five-lined Skink Sievert & Sievert 1993   Plestiodon laticeps North American Broad-headed Skink Cooper 1988 Sievert & Sievert 1993   Plestiodon obsoletus Great Plains Skink Hall 1976 Sievert & Sievert 1993   Plestiodon septentrionalis Prairie Skink Behler & King 1979 Sievert & Sievert 1993 Genus Scincella (South Asian and American Ground Skinks)   Scincella lateralis North American Ground Skink Brooks 1975 Sievert & Sievert 1993  Family Teiidae (Greater Tejus) Genus Aspidoscelis (Northern Whiptails)   Aspidoscelis gularis Common Spotted Whiptail Behler & King 1979 Jones & Lovich (eds.) 2009 Maslin & Secoy 1986 Sievert & Sievert 1993 Walker 1981   Aspidoscelis sexlineatus Six-lined Whiptail Sievert & Sievert 1993   Aspidoscelis tessellatus Common Checkered Whiptail Jones & Lovich (eds.) 2009 Price 1986 Sievert & Sievert 1993 Walker, Cordes & Taylor 1997

	Snakes (Serpentes)
	= endemicEX = extinct or assumed extinct Species References  Family Colubridae (Typical Snakes or Colubrids) Genus Arizona (Glossy Snakes)   Arizona elegans Eastern Glossy Snake Sievert & Sievert 1993 Wright & Wright 1952 Genus Carphophis (North American Worm Snakes)   Carphophis vermis Western Worm Snake Sievert & Sievert 1993 Wright & Wright 1952 Genus Cemophora (North American Scarlet Snakes)   Cemophora coccinea Eastern Scarlet Snake Behler & King 1979 Sievert & Sievert 1993 Williams 1985 Wright & Wright 1952 Genus Coluber (North American Racer)   Coluber constrictor North American Racer Behler & King 1979 Sievert & Sievert 1993 Wright & Wright 1952 Genus Diadophis (Ring-necked Snake)   Diadophis punctatus Ring-necked Snake Sievert & Sievert 1993 Wright & Wright 1952 Genus Farancia (American Mud and Rainbow Snakes)   Farancia abacura American Mud Snake McDaniel & Karges 1983 Sievert & Sievert 1993 Wright & Wright 1952 Genus Haldea (Rough Earth Snake)   Haldea striatula Rough Earth Snake Sievert & Sievert 1993 Wright & Wright 1952 Genus Heterodon (North American Hognose Snakes)   Heterodon nasicus Western Hognose Snake Behler & King 1979 Sievert & Sievert 1993 Wright & Wright 1952   Heterodon platirhinos Eastern Hognose Snake Sievert & Sievert 1993 Genus Hypsiglena (North American Night Snakes)   Hypsiglena janii Chihuahuan Night Snake Behler & King 1979 Schmidt 1953 Sievert & Sievert 1993 Genus Lampropeltis (King Snakes and Milk Snakes)   Lampropeltis calligaster Prarie Kingsnake Behler & King 1979 Conant & Collins 1998 Markel 1990 Sievert & Sievert 1993 Wright & Wright 1952   Lampropeltis gentilis Northwestern Milk Snake Behler & King 1979 [as syspila] Markel 1990 [as syspila] Ruane 2015 Ruane, Bryson, Pyron & Burbrink 2014 Sievert & Sievert 1993 [as syspila] Wright & Wright 1952 [as syspila]   Lampropeltis holbrooki Speckled Kingsnake Sievert & Sievert 1993 Wright & Wright 1952   Lampropeltis splendida Desert Kingsnake Markel 1990 Wright & Wright 1952   Lampropeltis triangulum Eastern Milk Snake Behler & King 1979 Markel 1990 Sievert & Sievert 1993 Wright & Wright 1952 Genus Liodytes (North American Swamp Snakes)   Liodytes rigida Glossy Crayfish Snake Gibbons & Dorcas 2004 Sievert & Sievert 1993 Wright & Wright 1952 Genus Masticophis (North American Whip Snakes and Coachwhips)   Masticophis flagellum Common Coachwhip Behler & King 1979 Sievert & Sievert 1993 Wright & Wright 1952 Genus Nerodia (North American Water Snakes)   Nerodia erythrogaster Plain-bellied Water Snake Behler & King 1979 Gibbons & Dorcas 2004 Lawson 1987 McCranie 1990 Sievert & Sievert 1993 Wright & Wright 1952   Nerodia fasciata North American Banded Water Snake Gibbons & Dorcas 2004 Sievert & Sievert 1993 Wright & Wright 1952   Nerodia rhombifer Diamondback Water Snake Behler & King 1979 Gibbons & Dorcas 2004 McAllister 1985 Sievert & Sievert 1993 Wright & Wright 1952   Nerodia sipedon Northern Water Snake Behler & King 1979 Gibbons & Dorcas 2004 Lawson 1987 Sievert & Sievert 1993 Wright & Wright 1952 Genus Opheodrys (North American Green Snakes)   Opheodrys aestivus Rough Green Snake Sievert & Sievert 1993 Wright & Wright 1952 Genus Pantherophis (North American Rat Snakes)   Pantherophis emoryi Great Plains Rat Snake Schulz 1996 Sievert & Sievert 1993 Wright & Wright 1952   Pantherophis obsoletus Western Rat Snake Behler & King 1979 Burbrink 2001 Schulz 1996 Sievert & Sievert 1993 Wright & Wright 1952 Genus Pituophis (Bullsnakes, Pine Snakes and Gopher Snakes)   Pituophis catenifer Gopher Snake Sievert & Sievert 1993 Wright & Wright 1952 Genus Regina (Queen Snakes)   Regina grahamii Mississippi Crayfish Snake Gibbons & Dorcas 2004 Lawson 1987 Sievert & Sievert 1993 Wright & Wright 1952   Regina septemvittata Queen Snake Gibbons & Dorcas 2004 Wright & Wright 1952 Genus Rhinocheilus (Long-nosed Snakes)   Rhinocheilus lecontei Common Long-nosed Snake Medica 1975 Medica 1980 Sievert & Sievert 1993 Wright & Wright 1952 Genus Sonora (North American Ground, Sand, and Shovel-nosed Snakes)   Sonora episcopa Great Plains Ground Snake Behler & King 1979 [as semiannulata] Cox, Davis Rabosky, Holmes, Reyes-Velasco, Roelke, Smith, Flores-Villela, McGuire & Campbell 2018 Frost 1983 [as semiannulata] Sievert & Sievert 1993 [as semiannulata] Wright & Wright 1952 Genus Storeria (North American Brown Snakes)   Storeria dekayi Common Brown Snake Sievert & Sievert 1993 Wright & Wright 1952   Storeria occipitomaculata North American Red-bellied Snake Sievert & Sievert 1993 Wright & Wright 1952 Genus Tantilla (American Centipede Snakes)   Tantilla gracilis Flat-headed Centipede Snake Behler & King 1979 Sievert & Sievert 1993 Wright & Wright 1952   Tantilla nigriceps Plains Centipede Snake Behler & King 1979 Sievert & Sievert 1993 Wright & Wright 1952 Genus Thamnophis (North American Garter Snakes and Ribbon Snakes)   Thamnophis cyrtopsis Black-necked Garter Snake Sievert & Sievert 1993   Thamnophis elegans Terrestrial Garter Snake Behler & King 1979 Fitch 1983 Sievert & Sievert 1993 Wright & Wright 1952   Thamnophis marcianus Checkered Garter Snake Sievert & Sievert 1993 Wright & Wright 1952   Thamnophis proximus Western Ribbon Snake Sievert & Sievert 1993 Wright & Wright 1952   Thamnophis radix Plains Garter Snake Rossman, Ford & Seigel 1996 Sievert & Sievert 1993 Wright & Wright 1952   Thamnophis sirtalis Common Garter Snake Behler & King 1979 Rossman, Ford & Seigel 1996 Sievert & Sievert 1993 Wright & Wright 1952 Genus Tropidoclonion (Lined Snake)   Tropidoclonion lineatum Lined Snake Behler & King 1979 Sievert & Sievert 1993 Wright & Wright 1952 Genus Virginia (Smooth Earth Snake)   Virginia valeriae Smooth Earth Snake Powell, Collins & Fish 1992 Sievert & Sievert 1993 Wright & Wright 1952  Family Leptotyphlopidae (Thread Snakes) Genus Rena (Maroon Thread Snakes)   Rena dulcis Texas Thread Snake Behler & King 1979 Hahn 1980 Martins, Koch, Pinto, Folly, Fouquet & Passos 2019 Schmidt 1953 Sievert & Sievert 1993 Wright & Wright 1952  Family Viperidae (Vipers) Genus Agkistrodon (American Copperheads, Cottonmouths, and Cantils)   Agkistrodon contortrix Eastern Copperhead Behler & King 1979 Burbrink & Guiher 2015 Campbell & Lamar 2004 Ernst 1992 Gloyd & Conant 1990 Sievert & Sievert 1993 Wright & Wright 1952   Agkistrodon laticinctus Broad-banded Copperhead Behler & King 1979 Burbrink & Guiher 2015 Sievert & Sievert 1993 Wright & Wright 1952   Agkistrodon piscivorus Northern Cottonmouth Behler & King 1979 Campbell & Lamar 2004 Gloyd & Conant 1990 Sievert & Sievert 1993 Wright & Wright 1952 Genus Crotalus (Typical Rattlesnakes)   Crotalus atrox Western Diamondback Rattlesnake Campbell & Lamar 2004 Ernst 1992 Sievert & Sievert 1993 Wright & Wright 1952   Crotalus horridus Timber Rattlesnake Campbell & Lamar 2004 Sievert & Sievert 1993 Wright & Wright 1952   Crotalus viridis Prairie Rattlesnake Campbell & Lamar 2004 Sievert & Sievert 1993 Wright & Wright 1952 Genus Sistrurus (Pygmy Rattlesnakes)   Sistrurus miliarius North American Pygmy Rattlesnake Behler & King 1979 Campbell & Lamar 2004 Ernst 1992 Sievert & Sievert 1993 Wright & Wright 1952   Sistrurus tergeminus Western Massasauga Behler & King 1979 Campbell & Lamar 2004 [as catenatus] Ernst 1992 Sievert & Sievert 1993 Wright & Wright 1952

	Turtles (Testudines)
	= endemicEX = extinct or assumed extinct Species References  Family Chelydridae (American Snapping Turtles) Genus Chelydra (American Snapping Turtles)   Chelydra serpentina North American Snapping Turtle Rhodin, Iverson, Bour, Fritz, Georges, Shaffer & Dijk 2021 Sievert & Sievert 1993 Genus Macrochelys (Alligator Snapping Turtles)   Macrochelys temminckii Western Alligator Snapping Turtle Rhodin, Iverson, Bour, Fritz, Georges, Shaffer & Dijk 2021 Sievert & Sievert 1993  Family Emydidae (Western Pond Turtles) Genus Chrysemys (American Painted Turtle)   Chrysemys picta American Painted Turtle Behler & King 1979 Rhodin, Iverson, Bour, Fritz, Georges, Shaffer & Dijk 2021 Sievert & Sievert 1993 Genus Deirochelys (Chicken Turtle)   Deirochelys reticularia Chicken Turtle Behler & King 1979 Buhlmann, Gibbons & Jackson 2008 Iverson 1992 Rhodin, Iverson, Bour, Fritz, Georges, Shaffer & Dijk 2021 Sievert & Sievert 1993 Genus Graptemys (Map Turtles)   Graptemys geographica Northern Map Turtle Rhodin, Iverson, Bour, Fritz, Georges, Shaffer & Dijk 2021 Sievert & Sievert 1993   Graptemys ouachitensis Ouachita Map Turtle Fritz & Havas 2006 Iverson 1992 Rhodin, Iverson, Bour, Fritz, Georges, Shaffer & Dijk 2021 Sievert & Sievert 1993   Graptemys pseudogeographica False Map Turtle Rhodin, Iverson, Bour, Fritz, Georges, Shaffer & Dijk 2021 Sievert & Sievert 1993 Genus Pseudemys (Cooter Turtles)   Pseudemys concinna River Cooter Iverson 1992 Rhodin, Iverson, Bour, Fritz, Georges, Shaffer & Dijk 2021 Sievert & Sievert 1993 Ward & Jackson 2008 Genus Terrapene (American Box Turtles)   Terrapene ornata Ornate Box Turtle Rhodin, Iverson, Bour, Fritz, Georges, Shaffer & Dijk 2017 Rhodin, Iverson, Bour, Fritz, Georges, Shaffer & Dijk 2021 Sievert & Sievert 1993   Terrapene triunguis Three-toed Box Turtle Behler & King 1979 [as T. carolina] Rhodin, Iverson, Bour, Fritz, Georges, Shaffer & Dijk 2021 Sievert & Sievert 1993 Genus Trachemys (Slider Turtles)   Trachemys scripta Common Slider Rhodin, Iverson, Bour, Fritz, Georges, Shaffer & Dijk 2021 Sievert & Sievert 1993  Family Kinosternidae (American Mud and Musk Turtles) Genus Kinosternon (American Mud Turtles)   Kinosternon flavescens Yellow Mud Turtle Rhodin, Iverson, Bour, Fritz, Georges, Shaffer & Dijk 2021 Sievert & Sievert 1993   Kinosternon subrubrum Common Mud Turtle Behler & King 1979 Iverson 1992 Rhodin, Iverson, Bour, Fritz, Georges, Shaffer & Dijk 2021 Sievert & Sievert 1993 Genus Sternotherus (North American Musk Turtles)   Sternotherus carinatus Razor-backed Musk Turtle Iverson 1992 Lindeman 2008 Rhodin, Iverson, Bour, Fritz, Georges, Shaffer & Dijk 2021 Sievert & Sievert 1993   Sternotherus odoratus Common Musk Turtle Rhodin, Iverson, Bour, Fritz, Georges, Shaffer & Dijk 2021 Sievert & Sievert 1993  Family Trionychidae (Softshell Turtles) Genus Apalone (North American Softshell Turtles)   Apalone mutica Smooth Softshell Turtle Rhodin, Iverson, Bour, Fritz, Georges, Shaffer & Dijk 2021 Sievert & Sievert 1993   Apalone spinifera Spiny Softshell Turtle Behler & King 1979 Iverson 1992 Rhodin, Iverson, Bour, Fritz, Georges, Shaffer & Dijk 2021 Sievert & Sievert 1993