This is a List of all of the Different Types of Snakes Shown on this Web Site





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Scientific Name Common Name Original Description Alternate Name Sounds
         
Order Squamata Scaled Reptiles (Snakes) Oppel, 1811    
         
Agkistrodon American Moccasins Palisot de Beauvois, 1799    
Agkistrodon contortrix Copperhead (Linnaeus, 1766)    
  Agkistrodon contortrix contortrix Southern Copperhead (Linnaeus, 1766)    
  Agkistrodon contortrix laticinctus Broad-banded Copperhead Gloyd and Conant, 1934    
  Agkistrodon contortrix phaeogaster Osage Copperhead Gloyd, 1969    
Agkistrodon piscivorus Cottonmouth (Lacépède, 1789)    
  Agkistrodon piscivorus conanti Florida Cottonmouth Gloyd, 1969    
  Agkistrodon piscivorus leucostoma Western Cottonmouth (Troost, 1836)    
         
Arizona Glossy Snakes Kennicott, in Baird, 1859    
Arizona elegans Glossy Snake Kennicott, in Baird, 1859    
  Arizona elegans candida Mohave Glossy Snake Klauber, 1946    
  Arizona elegans eburnata Desert Glossy Snake Klauber, 1946    
  Arizona elegans elegans Kansas Glossy Snake Kennicott, in Baird, 1859    
  Arizona elegans occidentalis California Glossy Snake Blanchard, 1924    
  Arizona elegans philipi Painted Desert Glossy Snake Klauber, 1946    
         
Bogertophis Desert Ratsnakes Dowling and Price, 1988    
Bogertophis rosaliae (BC)
Baja California Ratsnake (Mocquard, 1899)    
Bogertophis rosaliae Baja California Ratsnake (Mocquard, 1899)    
Bogertophis subocularis Trans-Pecos Ratsnake (Brown, 1901)    
  Bogertophis subocularis subocularis Trans-Pecos Ratsnake (Brown, 1901)    
         
Carphophis North American Wormsnakes Gervais, 1843    
Carphophis amoenus Eastern Wormsnake (Say, 1825)    
  Carphophis amoenus amoenus Eastern Wormsnake (Say, 1825)    
         
Charina Rubber Boas (Gray 1849)    
Charina bottae (NW) Northern Rubber Boa (Blainville, 1835)    
Charina bottae (CA) Northern Rubber Boa (Blainville, 1835)    
Charina umbratica Southern Rubber Boa Klauber, 1943    
         
Chilomeniscus Sandsnakes Cope, 1860    
Chilomeniscus stramineus
Variable Sandsnake Cope, 1860    
         
Chionactis Shovel-nosed Snakes Cope, 1860    
Chionactis occipitalis Western Shovel-nosed Snake (Hallowell, 1854)    
  Chionactis occipitalis annulata Colorado Desert Shovel-nosed Snake (Baird, 1859 “1858”)    
  Chionactis occipitalis klauberi Tucson Shovel-nosed Snake (Stickel, 1941)    
  Chionactis occipitalis occipitalis Mohave Shovel-nosed Snake (Hallowell, 1854)    
  Chionactis occipitalis talpina Nevada Shovel-nosed Snake Klauber, 1951    
         
Coluber North American Racers,
Coachwhips and Whipsnakes
Linnaeus, 1758 Masticophis  
Coluber bilineatis
Sonoran Whipsnake (Jan, 1863) Masticophis bilineatis  
Coluber constrictor North American Racer Linnaeus, 1758    
  Coluber constrictor flaviventris Eastern Yellow-bellied Racer Say, 1823    
  Coluber constrictor helvigularis Brown-chinned Racer Auffenberg, 1955    
  Coluber constrictor mormon (CA) Western Yellow-bellied Racer Baird and Girard, 1852 Coluber mormon  
Coluber constrictor mormon (NW) Western Yellow-bellied Racer Baird and Girard, 1852 Coluber mormon  
  Coluber constrictor oaxaca Mexican Racer (Jan, 1863)    
  Coluber constrictor paludicola Everglades Racer Auffenberg and Babbitt, 1953    
  Coluber constrictor priapus Southern Black Racer Dunn and Wood, 1939    
Coluber flagellum Coachwhip Shaw, 1802    
  Coluber flagellum flagellum
Eastern Coachwhip Shaw, 1802 Masticophis flagellum flagellum  
  Coluber flagellum piceus
Red Racer  (Cope, 1892) Masticophis flagellum piceus
Red Coachwhip
 
Coluber flagellum ruddocki
San Joaquin Coachwhip (Brattstrom and Warren, 1953) Masticophis flagellum ruddocki  
  Coluber flagellum testaceus
Western Coachwhip Say, in James, 1823 Masticophis flagellum testaceus  
Coluber fuliginosus (CA)
Baja California Coachwhip (Cope, 1895) Masticophis fuliginosus  
Coluber fuliginosus (BC)
Baja California Coachwhip (Cope, 1895) Masticophis fuliginosus  
Coluber lateralis Striped Racer (Hallowell, 1853)    
  Coluber lateralis euryxanthus
Alameda Striped Racer (Riemer, 1954) Masticophis lateralis euryxanthus  
  Coluber lateralis lateralis
California Striped Racer (Hallowell, 1853) Masticophis lateralis lateralis  
Coluber taeniatus Striped Whipsnake (Hallowell, 1852)    
  Coluber taeniatus taeniatus Desert Striped Whipsnake (Hallowell, 1852) Masticophis taeniatus taeniatus  
         
Contia Sharp-tailed Snakes Baird and Girard, 1853    
Contia longicauda Forest Sharp-tailed Snake Feldman and Hoyer, 2010    
Contia tenuis (CA) Sharp-tailed Snake (Baird and Girard, 1852)    
Contia tenuis (NW) Sharp-tailed Snake (Baird and Girard, 1852)    
         
Crotalus Rattlesnakes Linnaeus, 1758    
Crotalus angelensis
Isla Angel de la Guarda Rattlesnake Klauber, 1963    
Crotalus atrox (CA) Western Diamond-backed Rattlesnake Baird and Girard, 1853   Sounds
Crotalus atrox (TX) Western Diamond-backed Rattlesnake Baird and Girard, 1853   Sounds
Crotalus atrox (SW) Western Diamond-backed Rattlesnake Baird and Girard, 1853   Sounds
Crotalus catalinensis
Isla Catalina Rattlesnake Cliff, 1954    
Crotalus cerastes Sidewinder Hallowell, 1854    
  Crotalus cerastes cerastes Mohave Desert Sidewinder Hallowell, 1854   Sounds
  Crotalus cerastes cercobombus Sonoran Sidewinder Savage and Cliff, 1953   Sounds
  Crotalus cerastes laterorepens Colorado Desert Sidewinder Klauber, 1944    
Crotalus cerberus Arizona Black Rattlesnake (Coues, 1875) Crotalus oreganus cerberus  
Crotalus enyo Baja California Rattlesnake Cope, 1861    
Crotalus lepidus Rock Rattlesnake (Kennicott, 1861)    
  Crotalus lepidus klauberi Banded Rock Rattlesnake Gloyd, 1936   Sounds
  Crotalus lepidus lepidus Mottled Rock Rattlesnake (Kennicott, 1861)    
Crotalus mitchellii Speckled Rattlesnake (Cope, 1861)    
  Crotalus mitchellii mitchellii San Lucan Speckled Rattlesnake (Cope, 1861)    
  Crotalus mitchellii pyrrhus Southwestern Speckled Rattlesnake (Cope, 1867 “1866”)    
  Crotalus mitchellii pyrrhus (SW) Southwestern Speckled Rattlesnake (Cope, 1867 “1866”)    
Crotalus molossus Black-tailed Rattlesnake Baird and Girard, 1853    
  Crotalus molossus molossus (AZ) Northern Black-tailed Rattlesnake Baird and Girard, 1853   Sounds
  Crotalus molossus molossus (TX) Northern  Black-tailed Rattlesnake Baird and Girard, 1853    
Crotalus oreganus Western Rattlesnake Holbrook, 1840    
  Crotalus oreganus abyssus Grand Canyon Rattlesnake Klauber, 1930 Crotalus abyssus  
  Crotalus oreganus concolor Midget Faded Rattlesnake Woodbury, 1929 Crotalus concolor  
  Crotalus oreganus helleri Southern Pacific Rattlesnake Meek, 1905 Crotalus helleri Sounds
  Crotalus oreganus lutosus Great Basin Rattlesnake Klauber, 1930 Crotalus lutosus  
  Crotalus oreganus lutosus (SW) Great Basin Rattlesnake Klauber, 1930 Crotalus lutosus  
  Crotalus oreganus oreganus (CA) Northern Pacific Rattlesnake Holbrook, 1840 Crotalus oreganus Sounds
  Crotalus oreganus oreganus (NW) Northern Pacific Rattlesnake Holbrook, 1840 Crotalus oreganus  
Crotalus pricei Twin-spotted Rattlesnake Van Denburgh, 1895    
  Crotalus pricei pricei Western Twin-spotted Rattlesnake Van Denburgh, 1895    
Crotalus ruber (CA) Red Diamond Rattlesnake Cope, 1892    
Crotalus ruber (BC) Red Diamond Rattlesnake Cope, 1892    
Crotalus scutulatus Mohave Rattlesnake (Kennicott, 1861)    
  Crotalus scutulatus scutulatus Northern Mohave Rattlesnake (Kennicott, 1861)   Sounds
Crotalus stephensi Panamint Rattlesnake Klauber, 1930    
Crotalus tigris Tiger Rattlesnake Kennicott, in Baird, 1859   Sounds
Crotalus viridis Prairie Rattlesnake (Rafinesque, 1818) Crotalus viridis viridis
Crotalus viridis nuntius
 
Crotalus willardi Ridge-nosed Rattlesnake Meek, 1905    
  Crotalus willardi willardi Arizona Ridge-nosed Rattlesnake Meek, 1905   Sounds
         
Diadophis Ring-necked Snakes Baird and Girard, 1853    
Diadophis punctatus Ring-necked Snake (Linnaeus, 1766)    
  Diadophis punctatus amabilis Pacific Ring-necked Snake Baird and Girard, 1853    
  Diadophis punctatus arnyi Prairie Ring-necked Snake Kennicott, 1859    
  Diadophis punctatus edwardsii Northern Ring-necked Snake (Merrem, 1820)    
  Diadophis punctatus modestus San Bernardino Ring-necked Snake Bocourt, 1886    
  Diadophis punctatus occidentalis (CA) Northwestern Ring-necked Snake Blanchard, 1923    
  Diadophis punctatus occidentalis (NW) Northwestern Ring-necked Snake Blanchard, 1923    
  Diadophis punctatus pulchellus Coral-bellied Ring-necked Snake Baird and Girard, 1853    
  Diadophis punctatus regalis Regal Ring-necked Snake Baird and Girard, 1853    
  Diadophis punctatus similis San Diego Ring-necked Snake Blanchard, 1923    
  Diadophis punctatus vandenburghi Monterey Ring-necked Snake Blanchard, 1923    
         
Drymarchon Indigo Snakes Fitzinger, 1843    
Drymarchon melanurus Central American Indigo Snake (Duméril, Bibron, and Duméril, 1854)    
 Drymarchon melanurus erebennus Texas Indigo Snake (Cope, 1860)    
         
Gyalopian Western Hook-nosed Snakes Cope, 1861    
Gyalopion canum Chihuahuan Hook-nosed Snake Cope, 1861 “1860”    
Gyalopion quadrangulare Thornscrub Hook-nosed Snake (Günther, 1893 in Salvin and Godman, 1885-1902)    
         
Heterodon North American Hog-nosed Snakes Latreille, 1801    
Heterodon kennerlyi Mexican Hog-nosed Snake Kennicott, 1860 Heterodon kennerlyi  
         
Hypsiglena North American Nightsnakes Cope, 1860    
Hypsiglena chlorophaea Desert Nightsnake Cope, 1860    
  Hypsiglena chlorophaea chlorophaea (SW) Sonoran Nightsnake Cope, 1860 Hypsiglena torquata  
  Hypsiglena chlorophaea deserticola (CA) Northern Desert Nightsnake (Tanner, 1944) Hypsiglena torquata  
  Hypsiglena chlorophaea loreala Mesa Verde Night Snake (Tanner, 1944) Hypsiglena torquata  
Hypsiglena jani Chihuahuan Nightsnake (Duges, 1866)    
  Hypsiglena jani texana Texas Nightsnake (Stejneger, 1893)    
Hypsiglena ochrorhyncha Coast Nightsnake Cope, 1860    
  Hypsiglena ochrorhyncha klauberi San Diego Nightsnake Tanner, 1944 Hypsiglena torquata  
  Hypsiglena ochrorhyncha nuchalata California Nightsnake (Tanner, 1943) Hypsiglena torquata  
         
Lampropeltis Kingsnakes Fitzinger, 1843    
Lampropeltis alterna Gray-banded Kingsnake (Brown, 1901)    
Lampropeltis californiae (CA) California Kingsnake (Blainville, 1835) Lampropeltis getula californiae  
Lampropeltis californiae (BC) California Kingsnake (Blainville, 1835) Lampropeltis getula californiae  
Lampropeltis californiae  (SW) California Kingsnake (Blainville, 1835) Lampropeltis getula nigrita
Western Black Kingsnake
 
Lampropeltis holbrooki Speckled Kingsnake Stejneger, 1903 Lampropeltis getula holbrooki  
Lampropeltis knoblochi Knobloch's Mountain Kingsnake Taylor, 1940 Lampropeltis pyromelana pyromelana  
Lampropeltis pyromelana Sonoran Mountain Kingsnake (Cope, 1867)    
  Lampropeltis pyromelana pyromelana Arizona Mountain Kingsnake (Cope, 1867)    
Lampropeltis splendida (SW) Desert Kingsnake (Baird and Girard, 1853) Lampropeltis getula splendida  
Lampropeltis splendida (TX) Desert Kingsnake (Baird and Girard, 1853) Lampropeltis getula splendida  
Lampropeltis triangulum Milksnake (Lacépède, 1789)    
Lampropeltis triangulum Milksnake (Intergrade) (Lacépède, 1789)    
  Lampropeltis triangulum celaenops New Mexico Milksnake Stejneger, 1903    
  Lampropeltis triangulum gentilis Central Plains Milksnake (Baird and Girard, 1853)    
  Lampropeltis triangulum syspila Red Milksnake (Cope, 1888)    
Lampropeltis zonata (CA) California Mountain Kingsnake (Lockington ex Blainville, 1876)    
Lampropeltis zonata (NW) Caifornia Mountain Kingsnake (Lockington ex Blainville, 1876)    
Lampropeltis zonata
   multicincta
pattern class     
California Mountain Kingsnake
Sierra Mountain Kingsnake
(Lockington ex Blainville, 1876)    
Lampropeltis zonata
   multifasciata pattern class
California Mountain Kingsnake
Coast Mountain Kingsnake
(Lockington ex Blainville, 1876)    
Lampropeltis zonata
   parvirubra pattern class
California Mountain Kingsnake
San Bernardino Mountain Kingsnake
(Lockington ex Blainville, 1876)    
Lampropeltis zonata
   pulchra pattern class
California Mountain Kingsnake
San Diego Mountain Kingsnake
(Lockington ex Blainville, 1876)    
Lampropeltis zonata
   zonata pattern class
California Mountain Kingsnake
St. Helena Mountain Kingsnake
(Lockington ex Blainville, 1876)    
         
Lichanura Rosy Boas Cope, 1861    
Lichanura orcutti (CA) Northern Three-lined Boa (Stejneger 1889)    
Lichanura orcutti (SW) Northern Three-lined Boa
(Stejneger 1889) Lichanura trivirgata gracia - Desert Rosy Boa  
Lichanura trivirgata (CA)  Rosy Boa
(Cope, 1861) Lichanura trivirgata roseofusca - Coastal Rosy Boa  
Lichanura trivirgata (BC)  
Rosy Boa (Cope, 1861) Mexican Rosy Boa and Baja Rosy Boa  
Lichanura trivirgata (SW) Rosy Boa (Cope, 1861) Mexican Rosy Boa  
         
Micruroides Sonoran Coral Snakes Schmidt, 1928    
Micruroides euryxanthus Sonoran Coral Snake (Kennicott, 1860)    
  Micruroides euryxanthus euryxanthus Arizona Coralsnake (Kennicott, 1860)    
         
Nerodia North American Watersnakes Baird and Girard, 1853    
Nerodia erythrogaster (TX) Plain-bellied Watersnake (Forster, 1771) (former ssp. erythrogaster
Blotched Watersnake
 
Nerodia erythrogaster Plain-bellied Watersnake (Forster, 1771) (former ssp. flavigaster)
Yellow-bellied Watersnake
 
Nerodia fasciata Southern Watersnake (Linnaeus, 1766)    
  Nerodia fasciata pictiventris  (CA alien) Florida Watersnake (Cope, 1895)    
  Nerodia fasciata pictiventris Florida Watersnake (Cope, 1895)    
Nerodia rhombifer Diamond-backed Watersnake (Hallowell, 1852)    
  Nerodia rhombifer rhombifer Northern Diamond-backed Watersnake (Hallowell, 1852)    
Nerodia sipedon (CA alien) Northern Watersnake (Linnaeus, 1758)    
Nerodia sipedon (Misc) Northern Watersnake (Linnaeus, 1758)    
Nerodia taxispilota Brown Watersnake (Holbrook, 1838)    
         
Opheodrys Greensnakes Fitzinger, 1843    
Opheodrys vernalis Smooth Greensnake (Harlan, 1827) Liochlorophis vernalis  
         
Oxybelis American Vinesnakes Wagler, 1830    
Oxybelis aeneus Brown Vinesnake (Wagler, 1824)    
         
Pantherophis North American Ratsnakes Fitzinger, 1843 Elaphe  
Pantherophis alleghaniensis Eastern Ratsnake (Holbrook, 1836) Yellow Ratsnake  
Pantherophis bairdi Baird's Ratsnake (Yarrow, in Cope, 1880)    
Pantherophis emoryi
Great Plains Ratsnake

(Baird and Girard, 1853) Elaphe emoryi emoryi & Elaphe emoryi meahllmorum -
Northern Plains Ratsnake & Southern Plains Ratsnake or Southwestern Ratsnake)
 
Pantherophis guttatus Red Cornsnake (Linnaeus, 1766)    
Pantherophis obsoletus (TX)
Western Ratsnake (Say, 1823) Texas Ratsnake
Elaphe obsoleta lindenheimeri
 
Pantherophis obsoletus
Western Ratsnake (Say, 1823) Elaphe obsoleta obsoleta -
Black Ratsnake / Western Ratsnake
 
Pantherophis spiloides Gray Ratsnake (Duméril, Bibron and Duméril, 1854)    
         
Pelamis Yellow-bellied Seasnakes Daudin, 1803    
Pelamis platurus Yellow-bellied Seasnake (Linnaeus, 1766)    
         
Phyllorynchus Leaf-nosed Snakes Stejneger, 1890    
Phyllorynchus browni Saddled Leaf-nosed Snake Stejneger, 1890    
Phyllorhynchus decurtatus Spotted Leaf-nosed Snake (Cope, 1868)    
         
Pituophis Bull Snakes, Pine Snakes,
and Gopher Snakes
Holbrook, 1842    
Pituophis catenifer Gopher Snake (Blainville, 1835)    
  Pituophis catenifer affinis (CA) Sonoran Gopher Snake (Hallowell, 1852)    
  Pituophis catenifer affinis (TX) Sonoran Gopher Snake (Hallowell, 1852)    
  Pituophis catenifer affinis (SW) Sonoran Gopher Snake (Hallowell, 1852)    
  Pituophis catenifer annectens (CA) San Diego Gopher Snake Baird and Girard, 1853    
  Pituophis catenifer catenifer (CA) Pacific Gopher Snake (Blainville, 1835)   Sounds
  Pituophis catenifer catenifer (NW) Pacific Gopher Snake (Blainville, 1835)    
  Pituophis catenifer deserticola (CA) Great Basin Gopher Snake Stejneger, 1893    
  Pituophis catenifer deserticola (NW) Great Basin Gopher Snake Stejneger, 1893    
  Pituophis catenifer deserticola (SW) Great Basin Gopher Snake Stejneger, 1893    
  Pituophis catenifer pumilis (CA) Santa Cruz Island Gopher Snake Klauber, 1946    
  Pituophis catenifer sayi Bullsnake (Schlegel, 1837)    
  Pituophis catenifer vertebralis (BC) Baja California Gopher Snake Hirschkorn & Skubowius, 2011    
         
Python Pythons Daudin, 1803    
Python molurus Indian Python (Linnaeus, 1758)    
  Python molurus molurus Indian Rock Python Barone 2004    
 
Ramphotyphlops Australasian Blindsnakes Fitzinger, 1843    
Ramphotyphlops braminus (CA) Brahminy Blindsnake (Daudin, 1803)    
Ramphotyphlops braminus (HI) Brahminy Blindsnake
(Daudin, 1803) Island Blind Snake
Hawaiian Blind Snake
Flowerpot Snake
 
         
Rena Threadsnakes Baird and Girard, 1853 Blindsnakes  
Rena dissectus New Mexico Threadsnake (Cope, 1896) New Mexico Blindsnake  
Rena dulcis Texas Threadsnake (Baird and Girard, 1853)    
  Rena dulcis dulcis Plains Threadsnake (Baird and Girard, 1853) Plains Blindsnake  
Rena humilis Western Threadsnake (Baird and Girard, 1853)    
  Rena humilis cahuilae Desert Threadsnake Klauber, 1931 Leptotyphlops humilis cahuilae
Desert Blind Snake
 
  Rena humilis humilis Southwestern Threadsnake (Baird and Girard, 1853) Leptotyphlops humilis humilis
Southwestern Blind Snake
 
 
Rhinocheilus Long-nosed Snakes Baird and Girard, 1853    
Rhinocheilus lecontei (CA) Long-nosed Snake Baird and Girard, 1853 Rhinocheilus lecontei lecontei - Western Long-nosed Snake  
Rhinocheilus lecontei (SW) Long-nosed Snake Baird and Girard, 1853 Rhinocheilus lecontei lecontei - Western Long-nosed Snake  
Rhinocheilus lecontei (TX) Long-nosed Snake Baird and Girard, 1853 Rhinocheilus lecontei tesselatus - Texas Long-nosed Snake  
         
Salvadora Patch-nosed Snakes Baird and Girard, 1853    
Salvadora grahamiae Eastern Patch-nosed Snake Baird and Girard, 1853    
  Salvadora grahamiae grahamiae Mountain Patch-nosed Snake Baird and Girard, 1853    
  Salvadora grahamiae lineata Texas Patch-nosed Snake Schmidt, 1940    
Salvadora hexalepis Western Patch-nosed Snake (Cope, 1866)    
  Salvadora hexalepis deserticola Big Bend Patch-nosed Snake Schmidt, 1940    
  Salvadora hexalepis hexalepis (CA) Desert Patch-nosed Snake (Cope, 1866)    
  Salvadora hexalepis hexalepis (SW) Desert Patch-nosed Snake (Cope, 1866)    
  Salvadora hexalepis mojavensis Mohave Patch-nosed Snake Bogert, 1945    
  Salvadora hexalepis virgultea Coast Patch-nosed Snake Bogert, 1935    
         
Senticolis Green Ratsnakes Dowling and Fries, 1987    
Senticolis triaspis Green Ratsnake (Cope, 1866)    
  Senticolis triaspis intermedia Northern Green Ratsnake (Boettger, 1883)    
 
Sistrurus Massasauga & Pygmy Rattlesnakes Garman, 1883    
Sistrurus catenatus Massasauga (Rafinesque, 1818)    
  Sistrurus catenatus edwardsii Desert Massasauga (Baird and Girard, 1853)    
         
Sonora North American Groundsnakes Baird and Girard, 1853    
Sonora semiannulata Western Groundsnake Baird and Girard, 1853    
  Sonora semiannulata semiannulata (TX) Variable Groundsnake Baird and Girard, 1853    
  Sonora semiannulata semiannulata (CA) Variable Groundsnake Baird and Girard, 1853    
         
Spalerosophis   Jan, 1865    
Spalerosophis diadema Royal Diadem Ratsnake
(Schlegel, 1837) Black-headed Royal Snake  
         
Storeria North American Brownsnakes Baird and Girard, 1853    
Storeria dekayi Dekay's Brownsnake (Holbrook, 1836)    
  Storeria dekayi texana Texas Brownsnake Trapido, 1944    
         
Tantilla Black-headed, Crowned,
and Flat-headed Snakes
Baird and Girard, 1853    
Tantilla gracilis Flat-headed Snake Baird and Girard, 1853    
Tantilla hobartsmithi (CA) Smith's Black-headed Snake Taylor, 1937    
Tantilla hobartsmithi (SW) Smith's Black-headed Snake Taylor, 1937    
Tantilla nigriceps Plains Black-headed Snake Kennicott, 1860    
Tantilla planiceps Western Black-headed Snake (Blainville, 1835)    
Tantilla wilcoxi Chihuahuan Black-headed Snake Stejneger, 1903    
         
Thamnophis North American Gartersnakes Fitzinger, 1843    
Thamnophis atratus Aquatic Gartersnake (Kennicott, 1860)    
  Thamnophis atratus atratus Santa Cruz Gartersnake (Kennicott, 1860)    
  Thamnophis atratus hydrophilus (CA) Oregon Gartersnake Fitch, 1936    
  Thamnophis atratus hydrophilus (NW) Oregon Gartersnake Fitch, 1936    
  Thamnophis atratus zaxanthus Diablo Range Gartersnake Boundy, 1999    
Thamnophis couchii Sierra Gartersnake (Kennicott, 1859)    
Thamnophis cyrtopsis Black-necked Gartersnake (Kennicott, 1860)    
  Thamnophis cyrtopsis cyrtopsis Western Black-necked Gartersnake (Kennicott, 1860)    
  Thamnophis cyrtopsis ocellatus Eastern Black-necked Gartersnake (Cope, 1880)    
Thamnophis elegans Terrestrial Gartersnake (Baird and Girard, 1853)    
  Thamnophis elegans elegans (CA) Mountain Gartersnake (Baird and Girard, 1853)    
  Thamnophis elegans elegans (NW) Mountain Gartersnake (Baird and Girard, 1853)    
  Thamnophis elegans terrestris Coast Gartersnake Fox, 1951    
  Thamnophis elegans vagrans (CA) Wandering Gartersnake (Baird and Girard, 1853)    
  Thamnophis elegans vagrans (NW) Wandering Gartersnake (Baird and Girard, 1853)    
  Thamnophis elegans vagrans (SW) Wandering Gartersnake (Baird and Girard, 1853)    
Thamnophis gigas Giant Gartersnake Fitch, 1940    
Thamnophis hammondii Two-striped Gartersnake (Kennicott, 1860 )    
Thamnophis marcianus Checkered Gartersnake (Baird and Girard, 1853)    
  Thamnophis marcianus marcianus Marcy's Checkered Gartersnake (Baird and Girard, 1853)    
  Thamnophis marcianus marcianus (TX) Marcy's Checkered Gartersnake (Baird and Girard, 1853)    
Thamnophis ordinoides  (CA) Northwestern Gartersnake (Baird and Girard, 1852)    
Thamnophis ordinoides (NW) Northwestern Gartersnake (Baird and Girard, 1852)    
Thamnophis proximus Western Ribbonsnake (Say, 1823)    
  Thamnophis proximus orarius Gulf Coast Ribbon Snake Rossman, 1963    
  Thamnophis proximus rubrilineatus Red-striped Ribbon Snake Rossman, 1963    
Thamnophis rufipunctatus Narrow-headed Gartersnake (Cope, 1875)    
Thamnophis sauritus Eastern Ribbonsnake (Linnaeus, 1766)    
  Thamnophis sauritus sackenii Peninsula Ribbonsnake (Kennicott, 1859)    
Thamnophis sirtalis Common Gartersnake (Linnaeus, 1758)    
  Thamnophis sirtalis concinnus Red-spotted Gartersnake (Hallowell, 1852)    
  Thamnophis sirtalis fitchi (CA) Valley Gartersnake Fox, 1951    
  Thamnophis sirtalis fitchi (NW) Valley Gartersnake Fox, 1951    
  Thamnophis sirtalis infernalis California Red-sided Gartersnake (Blainville, 1835)    
  Thamnophis sirtalis pickeringii Puget Sound Gartersnake (Baird and Girard, 1853)    
  Thamnophis sirtalis sirtalis Eastern Gartersnake (Linnaeus, 1758)    
  Thamnophis sirtalis tetrataenia San Francisco Gartersnake (Cope, 1875)    
Thamnophis valida West Coast Gartersnake (Kennicott, 1860)    
  Thamnophis valida celaeno West Coast Gartersnake (Cope, 1860) Cape Gartersnake  
         
Trimorphodon Lyresnakes Cope, 1861    
Trimorphodon lambda (CA) Sonoran Lyresnake Cope, 1886    
Trimorphodon lambda (SW) Sonoran Lyresnake Cope, 1886    
Trimorphodon lyrophanes California Lyresnake (Cope, 1860)    
         
Virginia North American Earthsnakes Baird and Girard, 1853    
Virginia striatula Rough Earth Snake (Linnaeus, 1766)    
 
If a snake is listed more than once, one of the symbols below will be added to indicate which region the listing covers.

CA = California page
BC = Baja California page
NW = Northwest page
TX = Texas page
SW = Southwest Page


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