Integrated Taxonomic Information System - Taxon Author Search Results

Publication: Crother, Brian I., Ronald M. Bonett, Jeff Boundy, Frank T. Burbrink, et al. / Moriarty, John J., ed. 2017 Scientific and Standard English Names of Amphibians and Reptiles of North America North of Mexico, with Comments Regarding Confidence in Our Understanding, Eighth Ed. Herpetological Circular, no. 43 102

ITIS records citing this publication
 
 Kingdom Animalia
  Acris Duméril and Bibron, 1841 -- valid -- Cricket Frogs
  Acris blanchardi Harper, 1947 -- valid -- Blanchard's Cricket Frog
  Acris crepitans Baird, 1854 -- valid -- Northern Cricket Frog, Rana-grillo norteño, Eastern Cricket Frog
  Acris gryllus (LeConte, 1825) -- valid -- Southern Cricket Frog
  Agkistrodon Palisot de Beauvois, 1799 -- valid -- Copperheads, Cottonmouths, American Moccasins
  Agkistrodon conanti Gloyd, 1969 -- valid -- Florida Cottonmouth
  Agkistrodon contortrix (Linnaeus, 1766) -- valid -- Copperhead, Cantil cobrizo, Eastern Copperhead
  Agkistrodon laticinctus Gloyd and Conant, 1934 -- valid -- Broad-banded Copperhead
  Agkistrodon piscivorus (Lacépède, 1789) -- valid -- Cottonmouth, Northern Cottonmouth
  Alligator Cuvier, 1807 -- valid -- Alligators
  Alligator mississippiensis (Daudin, 1802) -- valid -- American Alligator, Aligator americano, Alligator, Gator, Florida Alligator, Mississippi Alligator, Louisiana Alligator
  Ambystoma Tschudi, 1838 -- valid -- Mole Salamanders
  Ambystoma annulatum Cope, 1886 -- valid -- Ringed Salamander
  Ambystoma barbouri Kraus and Petranka, 1989 -- valid -- Streamside Salamander
  Ambystoma bishopi Goin, 1950 -- valid -- Reticulated Flatwoods Salamander
  Ambystoma californiense Gray, 1853 -- valid -- California Tiger Salamander
  Ambystoma cingulatum Cope, 1868 -- valid -- Flatwoods Salamander, Frosted Flatwoods Salamander
  Ambystoma gracile (Baird, 1859) -- valid -- Northwestern Salamander
  Ambystoma jeffersonianum (Green, 1827) -- valid -- Jefferson Salamander
  Ambystoma laterale Hallowell, 1856 -- valid -- salamandre à points bleus, Blue-spotted Salamander
  Ambystoma mabeei Bishop, 1928 -- valid -- Mabee's Salamander
  Ambystoma macrodactylum Baird, 1850 -- valid -- Long-toed Salamander
  Ambystoma maculatum (Shaw, 1802) -- valid -- salamandre maculée, Spotted Salamander
  Ambystoma mavortium Baird, 1850 -- valid -- Barred Tiger Salamander, Western Tiger Salamander
  Ambystoma opacum (Gravenhorst, 1807) -- valid -- Marbled Salamander
  Ambystoma talpoideum (Holbrook, 1838) -- valid -- Mole Salamander
  Ambystoma texanum (Matthes, 1855) -- valid -- Small-mouthed Salamander
  Ambystoma tigrinum (Green, 1825) -- valid -- Tiger Salamander, Salamandra tigre, Eastern Tiger Salamander
  Ameiva ameiva (Linnaeus, 1758) -- valid -- Neotropical Ameiva, Amazon Racerunner, Giant Ameiva, South American Ground Lizard, Zandolie
  Ameiva praesignis (Baird and Girard, 1852) -- valid -- Giant Ameiva, Amazon Racerunner, Dusky Giant Ameiva
  Amphiuma Garden in Smith, 1821 -- valid -- Amphiumas
  Amphiuma means Garden in Smith, 1821 -- valid -- Two-toed Amphiuma
  Amphiuma pholeter Neill, 1964 -- valid -- One-toed Amphiuma
  Amphiuma tridactylum Cuvier, 1827 -- valid -- Three-toed Amphiuma
  Anaxyrus Tschudi, 1845 -- valid -- North American Toads
  Anaxyrus americanus (Holbrook, 1836) -- valid -- American Toad
  Anaxyrus baxteri (Porter, 1968) -- valid -- Wyoming Toad
  Anaxyrus boreas (Baird and Girard, 1852) -- valid -- Western Toad
  Anaxyrus californicus (Camp, 1915) -- valid -- Arroyo Toad
  Anaxyrus canorus (Camp, 1916) -- valid -- Yosemite Toad
  Anaxyrus cognatus (Say in James, 1823) -- valid -- Great Plains Toad
  Anaxyrus debilis (Girard, 1854) -- valid -- Green Toad, Chihuahuan Green Toad, Eastern Green Toad
  Anaxyrus exsul (Myers, 1942) -- valid -- Black Toad
  Anaxyrus fowleri (Hinckley, 1882) -- valid -- Fowler's Toad
  Anaxyrus hemiophrys (Cope, 1886) -- valid -- Canadian Toad
  Anaxyrus houstonensis (Sanders, 1953) -- valid -- Houston Toad
  Anaxyrus microscaphus (Cope, 1867) -- valid -- Arizona Toad
  Anaxyrus nelsoni (Stejneger, 1893) -- valid -- Amargosa Toad
  Anaxyrus punctatus (Baird and Girard, 1852) -- valid -- Red-spotted Toad
  Anaxyrus quercicus (Holbrook, 1840) -- valid -- Oak Toad
  Anaxyrus speciosus (Girard, 1854) -- valid -- Texas Toad
  Anaxyrus terrestris (Bonnaterre, 1789) -- valid -- Southern Toad
  Anaxyrus woodhousii (Girard, 1854) -- valid -- Woodhouse's Toad
  Aneides Baird, 1851 -- valid -- Climbing Salamanders
  Aneides aeneus (Cope and Packard, 1881) -- valid -- Green Salamander
  Aneides ferreus Cope, 1869 -- valid -- Clouded Salamander
  Aneides flavipunctatus (Strauch, 1870) -- valid -- Black Salamander
  Aneides hardii (Taylor, 1941) -- valid -- Sacramento Mountain Salamander, Sacramento Mountains Salamander
  Aneides lugubris (Hallowell, 1849) -- valid -- Salamandra arbórea, Arboreal Salamander
  Aneides vagrans Wake and Jackman, 1999 -- valid -- Wandering Salamander
  Anniella Gray, 1852 -- valid -- Legless Lizards, North American Legless Lizards, American legless lizards, California legless lizards
  Anniella alexanderae Papenfuss and Parham, 2013 -- valid -- Temblor Legless Lizard
  Anniella campi Papenfuss and Parham, 2013 -- valid -- Southern Sierra Legless Lizard, Big Spring Legless Lizard
  Anniella grinnelli Papenfuss and Parham, 2013 -- valid -- Bakersfield Legless Lizard
  Anniella pulchra Gray, 1852 -- valid -- Lagartija sin patas californiana, California Legless Lizard, Silvery Legless Lizard, Northern Legless Lizard
  Anniella stebbinsi Papenfuss and Parham, 2013 -- valid -- Southern California Legless Lizard, San Diegan Legless Lizard
  Arizona elegans Kennicott in Baird, 1859 -- valid -- Glossy Snake, Culebra brillante
  Arizona elegans arenicola Dixon, 1960 -- valid -- Texas Glossy Snake
  Arizona elegans candida Klauber, 1946 -- valid -- Mojave Glossy Snake, Mohave Glossy Snake
  Arizona elegans eburnata Klauber, 1946 -- valid -- Desert Glossy Snake
  Arizona elegans elegans Kennicott in Baird, 1859 -- valid -- Kansas Glossy Snake, Eastern Glossy Snake
  Arizona elegans noctivaga Klauber, 1946 -- valid -- Arizona Glossy Snake
  Arizona elegans occidentalis Blanchard, 1924 -- valid -- Western Glossy Snake, Painted Desert Glossy Snake, California Glossy Snake
  Arizona elegans philipi Klauber, 1946 -- valid -- Painted Desert Glossy Snake
  Ascaphus Stejneger, 1899 -- valid -- Tailed Frogs
  Ascaphus montanus Mittleman and Myers, 1949 -- valid -- Rocky Mountain Tailed Frog, Rocky Mountain
  Ascaphus truei Stejneger, 1899 -- valid -- Tailed Frog, Coastal Tailed Frog
  Aspidoscelis exsanguis (Lowe, 1956) -- valid -- Chihuahuan Spotted Whiptail
  Aspidoscelis flagellicauda (Lowe and Wright, 1964) -- invalid -- Gila Spotted Whiptail
  Aspidoscelis gularis (Baird and Girard, 1852) -- valid -- Eastern Spotted Whiptail, Common Spotted Whiptail, Texas Spotted Whiptail, Huico texano
  Aspidoscelis gularis gularis (Baird and Girard, 1852) -- valid -- Texas Spotted Whiptail, Corredora Pinta Texana
  Aspidoscelis gularis septemvittata (Cope, 1892) -- valid -- Mexican Plateau Spotted Whiptail, Big Bend Spotted Whiptail, Corredora del Big Bend
  Aspidoscelis hyperythra (Cope, 1863) -- invalid -- Orange-throated Whiptail
  Aspidoscelis hyperythrus (Cope, 1863) -- valid -- Orange-throated Whiptail
  Aspidoscelis hyperythrus beldingi (Stejneger, 1894) -- valid -- Belding's Orange-throated Whiptail
  Aspidoscelis inornata (Baird, 1859) -- invalid -- Little Striped Whiptail
  Aspidoscelis inornata heptagramma (Axtell, 1961) -- invalid -- Northern Striped Whiptail
  Aspidoscelis inornata pai (Wright and Lowe, 1993) -- invalid -- Pai Striped Whiptail
  Aspidoscelis inornatus (Baird, 1859) -- valid -- Little Striped Whiptail
  Aspidoscelis inornatus arizonae (Van Denburgh, 1896) -- valid -- Arizona Striped Whiptail
  Aspidoscelis inornatus gypsi (Wright and Lowe, 1993) -- valid -- Little White Whiptail
  Aspidoscelis inornatus heptagrammus (Axtell, 1961) -- valid -- Trans-Pecos Striped Whiptail, Northern Striped Whiptail
  Aspidoscelis laredoensis (McKinney, Kay and Anderson, 1973) -- valid -- Laredo Striped Whiptail, Llanera de Laredo
  Aspidoscelis marmorata (Baird and Girard, 1852) -- invalid -- Marbled Whiptail
  Aspidoscelis marmoratus (Baird and Girard, 1852) -- valid -- Marbled Whiptail, Huico Marmóreo, Western Marbled Whiptail
  Aspidoscelis marmoratus marmoratus (Baird and Girard, 1852) -- valid -- Western Marbled Whiptail
  Aspidoscelis marmoratus reticuloriens (Vance, 1978) -- valid -- Eastern Marbled Whiptail
  Aspidoscelis neavesi Cole, Taylor, D. Baumann and P. Baumann, 2014 -- invalid -- Neaves' Whiptail
  Aspidoscelis neomexicana (Lowe and Zweifel, 1952) -- invalid -- New Mexico Whiptail
  Aspidoscelis neomexicanus (Lowe and Zweifel, 1952) -- valid -- New Mexico Whiptail, Huico de Nuevo México
  Aspidoscelis pai (Wright and Lowe, 1993) -- valid -- Pai Striped Whiptail
  Aspidoscelis scalaris (Cope, 1892) -- valid -- Rusty-rumped Whiptail, Plateau Spotted Whiptail, Correadora Pinta Occidental
  Aspidoscelis scalaris septemvittata (Cope, 1892) -- invalid -- Big Bend Spotted Whiptail
  Aspidoscelis sexlineata (Linnaeus, 1766) -- invalid -- Six-lined Racerunner
  Aspidoscelis sexlineatus (Linnaeus, 1766) -- valid -- Six-lined Racerunner, Huico de Seis Líneas
  Aspidoscelis sexlineatus sexlineatus (Linnaeus, 1766) -- valid -- Eastern Six-lined Racerunner
  Aspidoscelis sexlineatus stephensae (Trauth, 1992) -- valid -- Texas Yellow-headed Racerunner
  Aspidoscelis sexlineatus viridis (Lowe, 1966) -- valid -- Prairie Racerunner
  Aspidoscelis sonorae (Lowe and Wright, 1964) -- valid -- Sonoran Spotted Whiptail, Gila Spotted Whiptail, Huico Manchado de Sonora
  Aspidoscelis stictogramma (Burger, 1950) -- invalid -- Giant Spotted Whiptail
  Aspidoscelis stictogrammus (Burger, 1950) -- valid -- Giant Spotted Whiptail, Huico Manchado Gigante
  Aspidoscelis tesselata (Say in James, 1823) -- invalid -- Common Checkered Whiptail
  Aspidoscelis tesselatus (Say in James, 1823) -- valid -- Common Checkered Whiptail, Gray Checkered Whiptail, Huico Teselado
  Aspidoscelis tigris (Baird and Girard, 1852) -- valid -- Western Whiptail, Tiger Whiptail, Huico Tigre
  Aspidoscelis tigris munda (Camp, 1916) -- invalid -- California Whiptail
  Aspidoscelis tigris mundus (Camp, 1916) -- valid -- California Whiptail
  Aspidoscelis tigris punctilinealis (Dickerson, 1919) -- valid -- Sonoran Tiger Whiptail, Huico Tigre de Sonora
  Aspidoscelis tigris septentrionalis (Burger, 1950) -- valid -- Plateau Tiger Whiptail, Northern Whiptail
  Aspidoscelis tigris stejnegeri (Van Denburgh, 1894) -- valid -- Coastal Whiptail, San Diegan Tiger Whiptail, Huico de Stejneger
  Aspidoscelis tigris tigris (Baird and Girard, 1852) -- valid -- Great Basin Whiptail, Huico de la Gran Cuenca
  Aspidoscelis uniparens (Wright and Lowe, 1965) -- valid -- Desert Grassland Whiptail
  Aspidoscelis velox (Springer, 1928) -- valid -- Plateau Striped Whiptail
  Aspidoscelis xanthonota (Duellman and Lowe, 1953) -- invalid -- Red-backed Whiptail
  Aspidoscelis xanthonotus (Duellman and Lowe, 1953) -- valid -- Red-backed Whiptail, Huico de Dorsorojo
  Batrachoseps Bonaparte, 1839 -- valid -- Slender Salamanders
  Batrachoseps altasierrae Jockusch, Martínez-Solano, Hansen and Wake, 2012 -- valid -- Greenhorn Mountains Slender Salamander
  Batrachoseps attenuatus (Eschscholtz, 1833) -- valid -- California Slender Salamander
  Batrachoseps bramei Jockusch, Martínez-Solano, Hansen and Wake, 2012 -- valid -- Fairview Slender Salamander
  Batrachoseps campi Marlow, Brode and Wake, 1979 -- valid -- Inyo Mountains Slender Salamander, Inyo Mountains Salamander
  Batrachoseps diabolicus Jockusch, Wake and Yanev, 1998 -- valid -- Hell Hollow Slender Salamander
  Batrachoseps gabrieli Wake, 1996 -- valid -- San Gabriel Mountains Slender Salamander
  Batrachoseps gavilanensis Jockusch, Yanev and Wake, 2001 -- valid -- Gabilan Mountains Slender Salamander
  Batrachoseps gregarius Jockusch, Wake and Yanev, 1998 -- valid -- Gregarious Slender Salamander
  Batrachoseps incognitus Jockusch, Yanev and Wake, 2001 -- valid -- San Simeon Slender Salamander
  Batrachoseps kawia Jockusch, Wake and Yanev, 1998 -- valid -- Sequoia Slender Salamander
  Batrachoseps luciae Jockusch, Yanev and Wake, 2001 -- valid -- Santa Lucia Mountains Slender Salamander
  Batrachoseps major Camp, 1915 -- valid -- Garden Slender Salamander, Southern California Slender Salamander
  Batrachoseps minor Jockusch, Yanev and Wake, 2001 -- valid -- Lesser Slender Salamander
  Batrachoseps nigriventris Cope, 1869 -- valid -- Black-bellied Slender Salamander
  Batrachoseps pacificus (Cope, 1865) -- valid -- Salamandra-delgada del Pacífico, Pacific Slender Salamander, Channel Islands Slender Salamander
  Batrachoseps regius Jockusch, Wake and Yanev, 1998 -- valid -- Kings River Slender Salamander
  Batrachoseps relictus Brame and Murray, 1968 -- valid -- Relictual Slender Salamander
  Batrachoseps robustus Wake, Yanev and Hansen, 2002 -- valid -- Kern Plateau Slender Salamander, Kern Plateau Salamander., Kern Plateau Salamander
  Batrachoseps simatus Brame and Murray, 1968 -- valid -- Kern Canyon Slender Salamander
  Batrachoseps stebbinsi Brame and Murray, 1968 -- valid -- Tehachapi Slender Salamander
  Batrachoseps wrighti (Bishop, 1937) -- valid -- Oregon Slender Salamander
  Bogertophis rosaliae (Mocquard, 1899) -- valid -- Baja California Rat Snake, Baja California Ratsnake, Culebra-ratonera de Baja California
  Bogertophis subocularis (Brown, 1901) -- valid -- Trans-Pecos Rat Snake, Culebra-ratonera de Transpecos, Trans-Pecos Ratsnake
  Bogertophis subocularis subocularis (Brown, 1901) -- valid -- Trans-Pecos Rat Snake, Northern Trans-Pecos Ratsnake
  Bufo woodhousii velatus Bragg and Sanders, 1951 -- invalid -- East Texas Toad
  Caiman Spix, 1825 -- valid -- Caimans
  Caiman crocodilus (Linnaeus, 1758) -- valid -- Common Caiman, Spectacled Caiman
  Carphophis amoenus (Say, 1825) -- valid -- Eastern Worm Snake, Eastern Wormsnake, Common Wormsnake
  Carphophis amoenus amoenus (Say, 1825) -- valid -- Eastern Worm Snake, Eastern Wormsnake
  Carphophis amoenus helenae (Kennicott, 1859) -- valid -- Midwest Worm Snake, Midwestern Wormsnake
  Carphophis vermis (Kennicott, 1859) -- valid -- Western Wormsnake, Western Worm Snake
  Cemophora coccinea (Blumenbach, 1788) -- valid -- Scarlet Snake, Scarletsnake
  Cemophora coccinea coccinea (Blumenbach, 1788) -- valid -- Florida Scarlet Snake, Florida Scarletsnake
  Cemophora coccinea copei Jan, 1863 -- valid -- Northern Scarlet Snake, Northern Scarletsnake
  Cemophora lineri Williams, Brown and Wilson, 1966 -- valid -- Texas Scarletsnake, Texas Scarlet Snake
  Charina bottae (Blainville, 1835) -- valid -- Rubber Boa, Northern Rubber Boa
  Charina umbratica Klauber, 1943 -- valid -- Southern Rubber Boa
  Chilomeniscus stramineus Cope, 1860 -- valid -- Variable Sandsnake, Culebra-arenera manchada
  Chionactis annulata (Baird, 1859) -- valid -- Colorado Desert Shovelnose Snake, Colorado Desert Shovel-nosed Snake, Resplendent Desert Shovel-nosed Snake
  Chionactis annulata annulata (Baird, 1859) -- valid -- Colorado Desert Shovelnose Snake, Colorado Desert Shovel-nosed Snake
  Chionactis annulata klauberi (Stickel, 1941) -- valid -- Tucson Shovel-nosed Snake
  Chionactis occipitalis (Hallowell, 1854) -- valid -- Western Shovel-nosed Snake, Culebra-nariz de pala del oeste, Western Shovelnose Snake, Mojave Shovelnose Snake, Mohave Shovel-nosed Snake
  Chionactis palarostris (Klauber, 1937) -- valid -- Sonoran Shovel-nosed Snake, Culebra-nariz de pala sonorense, Sonoran Shovelnose Snake
  Chionactis palarostris organica Klauber, 1951 -- valid -- Organ Pipe Shovelnose Snake, Organ Pipe Shovel-nosed Snake
  Clonophis kirtlandii (Kennicott, 1856) -- valid -- Kirtland's Snake
  Cnemidophorus lemniscatus (Linnaeus, 1758) -- valid -- Rainbow Lizard, Rainbow Whiptail, South American Whiptail
  Coluber bilineatus (Jan, 1863) -- valid -- Sonoran Whipsnake, Culebra-chirriadora sonorense
  Coluber constrictor Linnaeus, 1758 -- valid -- Racer, Culebra-corredora constrictor, Eastern Racer, North American Racer
  Coluber constrictor anthicus (Cope, 1862) -- valid -- Buttermilk Snake, Buttermilk Racer
  Coluber constrictor constrictor Linnaeus, 1758 -- valid -- Northern Black Racer
  Coluber constrictor etheridgei Wilson, 1970 -- valid -- Tan Racer
  Coluber constrictor flaviventris Say in James, 1823 -- valid -- Eastern Yellowbelly Racer, Yellowbelly Racer, Eastern Yellow-bellied Racer
  Coluber constrictor foxii (Baird and Girard, 1853) -- valid -- Blue Racer
  Coluber constrictor helvigularis Auffenberg, 1955 -- valid -- Brown Chin Racer, Brown-chinned Racer
  Coluber constrictor latrunculus Wilson, 1970 -- valid -- Black-masked Racer, Blackmask Racer
  Coluber constrictor mormon Baird and Girard, 1852 -- valid -- Western Yellow-bellied Racer
  Coluber constrictor oaxaca (Jan, 1863) -- valid -- Mexican Racer
  Coluber constrictor paludicola Auffenberg and Babitt, 1953 -- valid -- Everglades Racer
  Coluber constrictor priapus Dunn and Wood, 1939 -- valid -- Southern Black Racer
  Coluber flagellum Shaw, 1802 -- valid -- Coachwhip, Culebra-chirriadora común
  Coluber flagellum cingulum (Lowe and Woodin, 1954) -- valid -- Sonoran Coachwhip
  Coluber flagellum flagellum Shaw, 1802 -- valid -- Eastern Coachwhip
  Coluber flagellum lineatulus (H. M. Smith, 1941) -- valid -- Lined Coachwhip
  Coluber flagellum piceus (Cope, 1892) -- valid -- Red Coachwhip, Red Racer
  Coluber flagellum ruddocki (Brattstrom and Warren, 1953) -- valid -- San Joaquin Coachwhip
  Coluber flagellum testaceus Say in James, 1823 -- valid -- Western Coachwhip
  Coluber fuliginosus (Cope, 1895) -- valid -- Baja California Coachwhip
  Coluber lateralis (Hallowell, 1853) -- valid -- Culebra-chirriadora rayada, Striped Racer
  Coluber lateralis euryxanthus (Riemer, 1954) -- valid -- Alameda Striped Racer
  Coluber lateralis lateralis (Hallowell, 1853) -- valid -- California Striped Racer
  Coluber schotti (Baird and Girard, 1853) -- valid -- Schott's Whipsnake
  Coluber schotti schotti (Baird and Girard, 1853) -- valid -- Schott's Whipsnake
  Coluber taeniatus (Hallowell, 1852) -- valid -- Culebra-chirriadora adornada, Striped Whipsnake
  Coluber taeniatus girardi Stejneger and Barbour, 1917 -- valid -- Central Texas Whipsnake
  Coluber taeniatus taeniatus (Hallowell, 1852) -- valid -- Desert Striped Whipsnake
  Coniophanes imperialis (Kennicott in Baird, 1859) -- valid -- Regal Black-striped Snake, Culebra rayas negras, Black-striped Snake
  Coniophanes imperialis imperialis (Kennicott in Baird, 1859) -- valid -- Tamaulipan Black-striped Snake
  Contia longicauda Feldman and Hoyer, 2010 -- valid -- Forest Sharp-tailed Snake
  Contia tenuis (Baird and Girard, 1852) -- valid -- Sharp-tailed Snake, Sharptail Snake, Common Sharp-tailed Snake
  Craugastor Cope, 1862 -- valid -- Northern Rainfrogs
  Craugastor augusti (Dugès in Brocchi, 1879) -- valid -- Barking Frog
  Crocodilia -- valid -- crocodilo, jacaré, Crocodilians, crocodiles, alligators, caimans, gavials
  Crocodylus Laurenti, 1768 -- valid -- Crocodiles
  Crocodylus acutus Cuvier, 1807 -- valid -- American Crocodile, Cocodrilo americano, caiman de la costa, Central American Alligator, cocodrilo, lagarto
  Crotalus adamanteus Palisot de Beauvois, 1799 -- valid -- Eastern Diamondback Rattlesnake, Eastern Diamond-backed Rattlesnake
  Crotalus atrox Baird and Girard, 1853 -- valid -- Western Diamondback Rattlesnake, Western Diamond-backed Rattlesnake, Víbora-cascabel de diamantes
  Crotalus cerastes Hallowell, 1854 -- valid -- Sidewinder, Víbora-cascabel cornuda
  Crotalus cerastes cerastes Hallowell, 1854 -- valid -- Mojave Desert Sidewinder, Mohave Desert Sidewinder
  Crotalus cerastes cercobombus Savage and Cliff, 1953 -- valid -- Sonoran Sidewinder, Sonoran Desert Sidewinder
  Crotalus cerastes laterorepens Klauber, 1944 -- valid -- Colorado Desert Sidewinder
  Crotalus cerberus (Coues in Wheeler, 1875) -- valid -- Arizona Black Rattlesnake
  Crotalus horridus Linnaeus, 1758 -- valid -- Timber Rattlesnake, crotale des bois
  Crotalus lepidus (Kennicott, 1861) -- valid -- Rock Rattlesnake, Víbora-cascabel variable
  Crotalus lepidus klauberi Gloyd, 1936 -- valid -- Banded Rock Rattlesnake
  Crotalus lepidus lepidus (Kennicott, 1861) -- valid -- Mottled Rock Rattlesnake
  Crotalus molossus Baird and Girard, 1853 -- valid -- Black-tailed Rattlesnake, Víbora-cascabel cola negra, Western Black-tailed Rattlesnake
  Crotalus oreganus Holbrook, 1840 -- valid -- Western Rattlesnake, Northern Pacific Rattlesnake
  Crotalus oreganus abyssus Klauber, 1930 -- valid -- Grand Canyon Rattlesnake
  Crotalus oreganus concolor Woodbury, 1929 -- valid -- Midget Faded Rattlesnake
  Crotalus oreganus helleri Meek, 1905 -- valid -- Southern Pacific Rattlesnake
  Crotalus oreganus lutosus Klauber, 1930 -- valid -- Great Basin Rattlesnake
  Crotalus oreganus oreganus Holbrook, 1840 -- valid -- Northern Pacific Rattlesnake
  Crotalus ornatus Hallowell, 1854 -- valid -- Eastern Black-tailed Rattlesnake
  Crotalus pricei Van Denburgh, 1895 -- valid -- Twin-spotted Rattlesnake, Víbora-cascabel motas gemelas
  Crotalus pricei pricei Van Denburgh, 1895 -- valid -- Western Twin Spotted Rattlesnake, Arizona Twin Spotted Rattlesnake, Western Twin-spotted Rattlesnake
  Crotalus pyrrhus (Cope, 1867) -- valid -- Southwestern Speckled Rattlesnake
  Crotalus ruber Cope, 1892 -- valid -- Red Diamond Rattlesnake, Víbora-cascabel colorada
  Crotalus scutulatus (Kennicott, 1861) -- valid -- Mojave Rattlesnake, Mohave Rattlesnake, Víbora-cascabel del Altiplano, Green Rattlesnake
  Crotalus scutulatus scutulatus (Kennicott, 1861) -- valid -- Mojave Rattlesnake, Northern Mohave Rattlesnake
  Crotalus stephensi Klauber, 1930 -- valid -- Panamint Rattlesnake
  Crotalus tigris Kennicott, 1859 -- valid -- Tiger Rattlesnake, Víbora-cascabel tigre
  Crotalus viridis (Rafinesque, 1818) -- valid -- Western Rattlesnake, Prairie Rattlesnake, Víbora-cascabel occidental
  Crotalus willardi Meek, 1905 -- valid -- Ridge-nosed Rattlesnake, Víbora-cascabel bigotuda
  Crotalus willardi obscurus Harris and Simmons, 1974 -- valid -- Animas Ridge-nosed Rattlesnake, New Mexico Ridgenose Rattlesnake, New Mexico Ridge-Nosed Rattlesnake
  Crotalus willardi willardi Meek, 1905 -- valid -- Arizona Ridgenose Rattlesnake, Arizona Ridge-Nosed Rattlesnake
  Cryptobranchus Leuckart, 1821 -- valid -- Giant Salamanders, Hellbenders
  Cryptobranchus alleganiensis (Sonnini de Manoncourt and Latreille, 1801) -- valid -- Hellbender
  Desmognathus Baird, 1850 -- valid -- Dusky Salamanders, Seal Salamanders
  Desmognathus abditus Anderson and Tilley, 2003 -- valid -- Cumberland Dusky Salamander
  Desmognathus aeneus Brown and Bishop, 1947 -- valid -- Seepage Salamander
  Desmognathus apalachicolae Means and Karlin, 1989 -- valid -- Apalachicola Dusky Salamander
  Desmognathus auriculatus (Holbrook, 1838) -- valid -- Southern Dusky Salamander, Holbrook's Southern Dusky Salamander
  Desmognathus brimleyorum Stejneger, 1895 -- valid -- Ouachita Salamander, Ouachita Dusky Salamander
  Desmognathus carolinensis Dunn, 1916 -- valid -- Carolina Mountain Dusky Salamander
  Desmognathus conanti Rossman, 1958 -- valid -- Spotted Dusky Salamander
  Desmognathus folkertsi Camp, Tilley, Austin and Marshall, 2002 -- valid -- Dwarf Blackbellied Salamander, Dwarf Black-bellied Salamander
  Desmognathus fuscus (Rafinesque, 1820) -- invalid -- Dusky Salamander, salamandre sombre du nord, Northern Dusky Salamander
  Desmognathus imitator Dunn, 1927 -- valid -- Imitator Salamander
  Desmognathus marmoratus (Moore, 1899) -- valid -- Shovel-nosed Salamander
  Desmognathus monticola Dunn, 1916 -- valid -- Seal Salamander
  Desmognathus ochrophaeus Cope, 1859 -- valid -- Mountain Dusky Salamander, salamandre des montagnes, Allegheny Mountain Dusky Salamander
  Desmognathus ocoee Nicholls, 1949 -- valid -- Ocoee Salamander
  Desmognathus orestes Tilley and Mahoney, 1996 -- valid -- Blue Ridge Dusky Salamander
  Desmognathus organi Crespi, Browne and Rissler, 2010 -- valid -- Northern Pygmy Salamander
  Desmognathus planiceps Newman, 1955 -- valid -- Flat-headed Salamander
  Desmognathus quadramaculatus (Holbrook, 1840) -- invalid -- Black-bellied Salamander
  Desmognathus santeetlah Tilley, 1981 -- valid -- Yellow Dusky Salamander, Santeetlah Dusky Salamander
  Desmognathus valentinei Means, Lamb and Bernardo, 2017 -- valid -- Valentine's Southern Dusky Salamander
  Desmognathus welteri Barbour, 1950 -- valid -- Black Mountain Salamander
  Desmognathus wrighti King, 1936 -- valid -- Pygmy Salamander
  Diadophis punctatus (Linnaeus, 1766) -- valid -- Ring-necked Snake, Culebra de collar, Ringneck Snake, couleuvre à collier
  Diadophis punctatus acricus Paulson, 1966 -- valid -- Key Ringneck Snake, Key Ring-Necked Snake
  Diadophis punctatus amabilis Baird and Girard, 1853 -- valid -- Pacific Ringneck Snake, Pacific Ring-Necked Snake
  Diadophis punctatus arnyi Kennicott, 1859 -- valid -- Prairie Ringneck Snake, Prairie Ring-Necked Snake
  Diadophis punctatus edwardsii (Merrem, 1820) -- valid -- Northern Ringneck Snake, Northern Ring-Necked Snake
  Diadophis punctatus modestus Bobourt, 1866 -- valid -- San Bernardino Ringneck Snake, San Bernardino Ring-Necked Snake
  Diadophis punctatus occidentalis Blanchard, 1923 -- valid -- Northwestern Ringneck Snake, Northwestern Ring-Necked Snake
  Diadophis punctatus pulchellus Baird and Girard, 1853 -- valid -- Coralbelly Ringneck Snake, Coral-Bellied Ring-Necked Snake
  Diadophis punctatus punctatus (Linnaeus, 1766) -- valid -- Southern Ringneck Snake, Southern Ring-Necked Snake
  Diadophis punctatus regalis Baird and Girard, 1853 -- valid -- Regal Ringsnake Snake, Regal Ring-Necked Snake
  Diadophis punctatus similis Blanchard, 1923 -- valid -- San Diego Ringneck Snake, San Diego Ring-Necked Snake
  Diadophis punctatus stictogenys Cope, 1860 -- valid -- Mississippi Ringneck Snake, Mississippi Ring-Necked Snake
  Diadophis punctatus vandenburgii Blanchard, 1923 -- valid -- Monterey Ringneck Snake, Monterey Ring-Necked Snake
  Dicamptodon Strauch, 1870 -- valid -- Pacific Giant Salamanders
  Dicamptodon aterrimus (Cope, 1868) -- valid -- Idaho Giant Salamander
  Dicamptodon copei Nussbaum, 1970 -- valid -- Cope's Giant Salamander
  Dicamptodon ensatus (Eschscholtz, 1833) -- valid -- California Giant Salamander
  Dicamptodon tenebrosus (Baird and Girard, 1852) -- valid -- Pacific Giant Salamander, Coastal Giant Salamander
  Drymarchon couperi (Holbrook, 1842) -- valid -- Eastern Indigo Snake, Blue Indigo Snake, Blue Bull Snake
  Drymarchon kolpobasileus Krysko, Granatosky, Nuñez and D. J. Smith, 2016 -- valid -- Gulf Coast Indigo Snake
  Drymarchon melanurus (A. M. C. Duméril, Bibron and A. H. A. Duméril, 1854) -- valid -- Middle American Indigo Snake, Blacktail Cribo, Central American Indigo Snake
  Drymarchon melanurus erebennus (Cope, 1860) -- valid -- Texas Indigo Snake
  Drymobius margaritiferus (Schlegel, 1837) -- valid -- Central American Speckled Racer, Culebra-corredora de Petatillos, Speckled Racer
  Drymobius margaritiferus margaritiferus (Schlegel, 1837) -- valid -- Speckled Racer, Northern Speckled Racer
  Dryophytes andersonii (Baird, 1854) -- valid -- Pine Barrens Treefrog
  Dryophytes arenicolor (Cope, 1866) -- valid -- Canyon Treefrog
  Dryophytes avivoca (Viosca, 1928) -- valid -- Bird-voiced Treefrog
  Dryophytes chrysoscelis (Cope, 1880) -- valid -- Cope's Gray Treefrog
  Dryophytes cinereus (Schneider, 1799) -- valid -- Green Treefrog
  Dryophytes femoralis (Daudin, 1800) -- valid -- Pine Woods Treefrog
  Dryophytes gratiosus (LeConte, 1856) -- valid -- Barking Treefrog
  Dryophytes squirellus (Daudin, 1800) -- valid -- Squirrel Treefrog
  Dryophytes versicolor (LeConte, 1825) -- valid -- Gray Treefrog
  Dryophytes wrightorum (Taylor, 1939) -- valid -- Arizona Treefrog
  Eleutherodactylus Duméril and Bibron, 1841 -- valid -- Coquis, Eleuths, Rainfrogs, Chirping Frogs, Robber Frogs, Rain Frogs
  Eleutherodactylus cystignathoides (Cope, 1877) -- valid -- Rana-chirriadora mexicana, Rio Grande Chirping Frog
  Eleutherodactylus guttilatus (Cope, 1879) -- valid -- Rana-chirriadora punteada, Spotted Chirping Frog
  Eleutherodactylus marnockii (Cope, 1878) -- valid -- Cliff Chirping Frog
  Elgaria coerulea (Wiegmann, 1828) -- valid -- Northern Alligator Lizard
  Elgaria coerulea coerulea (Wiegmann, 1828) -- valid -- San Francisco Alligator Lizard
  Elgaria coerulea palmeri (Stejneger, 1893) -- valid -- Sierra Alligator Lizard
  Elgaria coerulea principis Baird and Girard, 1852 -- valid -- Northern Alligator Lizard, Northwestern Alligator Lizard
  Elgaria coerulea shastensis (Fitch, 1934) -- valid -- Shasta Alligator Lizard
  Elgaria kingii Gray, 1838 -- valid -- Arizona Alligator Lizard, Madrean Alligator Lizard
  Elgaria kingii nobilis Baird and Girard, 1852 -- valid -- Arizona Alligator Lizard
  Elgaria multicarinata (Blainville, 1835) -- valid -- Southern Alligator Lizard, Lagarto escorpión del Sur
  Ensatina Gray, 1850 -- valid -- Ensatinas
  Ensatina eschscholtzii Gray, 1850 -- valid -- Salamandra ensantina, Ensatina
  Eurycea Rafinesque, 1822 -- valid -- Brook Salamanders
  Eurycea aquatica Rose and Bush, 1963 -- valid -- Dark-sided Salamander, Brown-backed Salamander
  Eurycea bislineata (Green, 1818) -- valid -- Two-lined Salamander, salamandre à deux lignes, Northern Two-lined Salamander
  Eurycea chamberlaini Harrison and Guttman, 2003 -- valid -- Chamberlain's Dwarf Salamander
  Eurycea chisholmensis Chippindale, Price, Wiens and Hillis, 2000 -- valid -- Salado Salamander
  Eurycea cirrigera (Green, 1831) -- valid -- Southern Two-lined Salamander
  Eurycea guttolineata (Holbrook, 1838) -- valid -- Three-lined Salamander
  Eurycea hillisi Wray, Means and Steppan, 2017 -- valid -- Hillis's Dwarf Salamander
  Eurycea junaluska Sever, Dundee and Sullivan, 1976 -- valid -- Junaluska Salamander
  Eurycea latitans Smith and Potter, 1946 -- valid -- Cascade Caverns Salamander
  Eurycea longicauda (Green, 1818) -- valid -- Long-tailed Salamander
  Eurycea lucifuga Rafinesque, 1822 -- valid -- Cave Salamander
  Eurycea multiplicata (Cope, 1869) -- valid -- Many-ribbed Salamander
  Eurycea nana Bishop, 1941 -- valid -- San Marcos Salamander
  Eurycea naufragia Chippindale, Price, Wiens and Hillis, 2000 -- valid -- Georgetown Salamander
  Eurycea neotenes Bishop and Wright, 1937 -- valid -- Texas Salamander
  Eurycea paludicola (Mittleman, 1947) -- valid -- Western Dwarf Salamander
  Eurycea pterophila Burger, Smith and Potter, 1950 -- valid -- Fern Bank Salamander
  Eurycea quadridigitata (Holbrook, 1842) -- valid -- Dwarf Salamander, Southeastern Dwarf Salamander
  Eurycea rathbuni (Stejneger, 1896) -- valid -- Texas Blind Salamander
  Eurycea robusta (Longley, 1978) -- valid -- Robust Blind Salamander, Blanco Blind Salamander
  Eurycea sosorum Chippindale, Price and Hillis, 1993 -- valid -- Barton Springs Salamander
  Eurycea spelaea (Stejneger, 1892) -- valid -- Grotto Salamander
  Eurycea sphagnicola Wray, Means and Steppan, 2017 -- valid -- Bog Dwarf Salamander
  Eurycea subfluvicola Steffen, Irwin, Blair and Bonett, 2014 -- valid -- Ouachita Streambed Salamander
  Eurycea tonkawae Chippindale, Price, Wiens and Hillis, 2000 -- valid -- Jollyville Plateau Salamander
  Eurycea tridentifera Mitchell and Reddell, 1965 -- invalid -- Comal Blind Salamander
  Eurycea troglodytes Baker, 1957 -- valid -- Valdina Farms Salamander
  Eurycea tynerensis Moore and Hughes, 1939 -- valid -- Oklahoma Salamander
  Eurycea wallacei (Carr, 1939) -- valid -- Georgia Blind Salamander
  Eurycea waterlooensis Hillis, Chamberlain, Wilcox and Chippindale, 2001 -- valid -- Austin Blind Salamander
  Eurycea wilderae Dunn, 1920 -- valid -- Blue Ridge Two-lined Salamander
  Farancia abacura (Holbrook, 1836) -- valid -- Mud Snake, Mudsnake, Red-bellied Mudsnake
  Farancia abacura abacura (Holbrook, 1836) -- valid -- Eastern Mud Snake, Eastern Mudsnake
  Farancia abacura reinwardtii (Schlegel, 1837) -- valid -- Western Mud Snake, Western Mudsnake
  Farancia erytrogramma (Palisot de Beauvois, 1801) -- valid -- Rainbow Snake
  Farancia erytrogramma erytrogramma (Palisot de Beauvois, 1801) -- valid -- Rainbow Snake, Common Rainbow Snake
  Farancia erytrogramma seminola Neill, 1964 -- valid -- South Florida Rainbow Snake
  Ficimia streckeri Taylor, 1931 -- valid -- Mexican Hook-nosed Snake, Tamaulipan Hook-nosed Snake, Culebra-naricilla mexicana, Tamaulipan Hooknose Snake, Mexican Hooknose Snake
  Gastrophryne Fitzinger, 1843 -- valid -- North American Narrow-mouthed Toads, Narrow-mouthed Toads
  Gastrophryne carolinensis (Holbrook, 1835) -- valid -- Eastern Narrow-mouthed Toad
  Gastrophryne mazatlanensis (Taylor, 1943) -- valid -- Sinaloan Narrow-mouthed Toad
  Gastrophryne olivacea (Hallowell, 1856) -- valid -- Great Plains Narrow-mouthed Toad, Sapo-boca angosta oliváceo, Western Narrow-mouthed Toad
  Gerrhonotus infernalis Baird, 1859 -- valid -- Texas Alligator Lizard
  Gyalopion canum (Cope, 1860) -- valid -- Western Hook-nosed Snake, Chihuahuan Hook-nosed Snake, Culebra-nariz ganchuda de Chihuahua, Western Hooknose Snake
  Gyalopion quadrangulare (Günther, 1893) -- valid -- Thornscrub Hook-nosed Snake, Culebra-nariz ganchuda de desierto, Thornscrub Hooknose Snake, Desert Hooknose Snake
  Gyrinophilus Cope, 1869 -- valid -- Cave Salamanders, Spring Salamanders
  Gyrinophilus gulolineatus Brandon, 1965 -- valid -- Berry Cave Salamander
  Gyrinophilus palleucus McCrady, 1954 -- valid -- Tennessee Cave Salamander
  Gyrinophilus porphyriticus (Green, 1827) -- valid -- salamandre pourpre, Spring Salamander
  Gyrinophilus subterraneus Besharse and Holsinger, 1977 -- valid -- West Virginia Spring Salamander
  Haldea striatula (Linnaeus, 1766) -- valid -- Rough Earthsnake, Rough Earth Snake
  Hemidactylium Tschudi, 1838 -- valid -- Four-toed Salamanders
  Hemidactylium scutatum (Temminck in Temminck and Schlegel, 1838) -- valid -- salamandre à quatre doigts, Four-toed Salamander
  Heterodon gloydi Edgren, 1952 -- valid -- Dusty Hognose Snake, Dusty Hog-nosed Snake
  Heterodon kennerlyi Kennicott, 1860 -- valid -- Mexican Hog-nosed Snake, Mexican Hog-nose Snake
  Heterodon nasicus Baird and Girard, 1852 -- valid -- Western Hog-nosed Snake, Culebra-nariz de cerdo occidental, Western Hognose Snake, Plains Hognose Snake, Plains Hog-nosed Snake
  Heterodon platirhinos Latreille, 1801 -- valid -- Eastern Hog-nosed Snake, Eastern Hognose Snake
  Heterodon simus (Linnaeus, 1766) -- valid -- Southern Hog-nosed Snake, Southern Hognose Snake
  Hydromantes Gistel, 1848 -- valid -- Web-toed Salamanders
  Hydromantes brunus Gorman, 1954 -- valid -- Limestone Salamander
  Hydromantes platycephalus (Camp, 1916) -- valid -- Mount Lyell Salamander
  Hydromantes shastae Gorman and Camp, 1953 -- valid -- Shasta Salamander
  Hydrophis platurus (Linnaeus, 1766) -- valid -- Yellowbelly Sea Snake, Pelagic Sea Snake, Yellow-bellied Seasnake, Yellow-bellied Sea Snake, Serpiente-marina pelágica
  Hyla Laurenti, 1768 -- valid -- Treefrogs, Holarctic Treefrogs
  Hypopachus Keferstein, 1867 -- valid -- Sheep Frogs
  Hypopachus variolosus (Cope, 1866) -- valid -- Rana-oveja común, Northern Sheep Frog, Sheep Frog
  Hypsiglena chlorophaea Cope, 1860 -- valid -- Sonoran Nightsnake, Desert Nightsnake
  Hypsiglena chlorophaea deserticola Tanner, 1946 -- valid -- Northern Desert Nightsnake, Great Basin Nightsnake
  Hypsiglena chlorophaea loreala Tanner, 1946 -- valid -- Mesa Verde Nightsnake, Mesa Verde Night Snake
  Hypsiglena jani (Dugès, 1865) -- valid -- San Luis Potosi Nightsnake, Chihuahuan Nightsnake
  Hypsiglena jani texana Stejneger, 1893 -- valid -- Texas Night Snake, Texas Nightsnake
  Hypsiglena ochrorhyncha Cope, 1860 -- invalid -- Coast Nightsnake
  Hypsiglena ochrorhynchus klauberi Tanner, 1946 -- valid -- San Diego Nightsnake
  Hypsiglena ochrorhynchus nuchalata Tanner, 1943 -- valid -- California Nightsnake, California Night Snake
  Incilius alvarius (Girard in Baird, 1859) -- valid -- Sonoran Desert Toad
  Incilius nebulifer (Girard, 1854) -- valid -- Gulf Coast Toad
  Lacerta bilineata Daudin, 1802 -- valid -- Western Green Lizard, Western Green Lacerta
  Lampropeltis alterna (Brown, 1901) -- valid -- Gray-banded Kingsnake, Culebra-real bandas grises, Grey-banded Kingsnake
  Lampropeltis annulata Kennicott, 1861 -- valid -- Mexican Milk Snake, Mexican Milksnake
  Lampropeltis californiae (Blainville, 1835) -- valid -- California Kingsnake
  Lampropeltis calligaster (Harlan, 1827) -- valid -- Prairie Kingsnake, Yellow-bellied Kingsnake
  Lampropeltis elapsoides (Holbrook, 1838) -- valid -- Scarlet Milksnake, Scarlet Kingsnake
  Lampropeltis extenuata (Brown, 1890) -- valid -- Short-tailed Snake, Short-tailed Kingsnake
  Lampropeltis floridana Blanchard, 1919 -- invalid -- Florida Kingsnake
  Lampropeltis gentilis (Baird and Girard, 1853) -- valid -- Central Plains Milksnake, Western Milksnake, Central Plains Milk Snake
  Lampropeltis getula (Linnaeus, 1766) -- valid -- Common Kingsnake, Culebra-real común, Eastern Kingsnake
  Lampropeltis holbrooki Stejneger, 1902 -- valid -- Speckled Kingsnake
  Lampropeltis knoblochi Taylor, 1940 -- valid -- Chihuahuan Mountain Kingsnake, Knobloch's Mountain Kingsnake, Madrean Mountain Kingsnake
  Lampropeltis meansi Krysko and Judd, 2006 -- invalid -- Apalachicola Kingsnake
  Lampropeltis multifasciata (Bocourt, 1886) -- invalid -- Coast Mountain Kingsnake
  Lampropeltis nigra (Yarrow, 1882) -- valid -- Black Kingsnake, Eastern Black Kingsnake
  Lampropeltis nigrita Zweifel and Norris, 1955 -- invalid -- Western Black Kingsnake
  Lampropeltis occipitolineata Price, 1987 -- invalid -- South Florida Mole Kingsnake
  Lampropeltis pyromelana (Cope, 1867) -- valid -- Sonoran Mountain Kingsnake, Culebra-real sonorense, Arizona Mountain Kingsnake
  Lampropeltis rhombomaculata (Holbrook, 1840) -- invalid -- Northern Mole Kingsnake
  Lampropeltis splendida (Baird and Girard, 1853) -- valid -- Desert Kingsnake
  Lampropeltis triangulum (Lacépède, 1789) -- valid -- Eastern Milk Snake, Eastern Milksnake, Culebra-real coralillo, couleuvre tachetée
  Lampropeltis zonata (Lockington ex Blainville, 1876) -- valid -- California Mountain Kingsnake, Culebra-real californiana, St. Helena Mountain Kingsnake
  Leptodactylus Fitzinger, 1826 -- valid -- Foam-nest Frogs, White-lipped Frogs, Neotropical Grass Frogs, Thin-toed Frogs, Neotropical glass frogs
  Leptodactylus fragilis (Brocchi, 1877) -- valid -- White-lipped Frog, Mexican White-lipped Frog
  Leptodeira septentrionalis (Kennicott in Baird, 1859) -- valid -- Cat-eyed Snake, Culebra-ojo de gato norteña o manchada, Northern Cat-eyed Snake
  Lichanura Cope, 1861 -- valid -- Rosy Boas
  Lichanura orcutti Stejneger, 1889 -- valid -- Northern Three-lined Boa, Rosy Boa
  Lichanura trivirgata Cope, 1861 -- valid -- Boa solocuate, Rosy Boa, Three-lined Boa, Mexican Rosy Boa
  Liodytes Cope, 1885 -- valid -- Swampsnakes
  Liodytes alleni (Garman, 1874) -- valid -- Striped Crayfish Snake, Striped Swampsnake
  Liodytes pygaea (Cope, 1871) -- valid -- Black Swampsnake, Black Swamp Snake
  Liodytes pygaea cyclas (Dowling, 1950) -- valid -- Southern Florida Swampsnake, South Florida Swamp Snake
  Liodytes pygaea paludis (Dowling, 1950) -- valid -- Carolina Swamp Snake, Carolina Swampsnake
  Liodytes pygaea pygaea (Cope, 1871) -- valid -- North Florida Swamp Snake, North Florida Swampsnake
  Liodytes rigida (Say, 1825) -- valid -- Crayfish Snake, Glossy Swampsnake
  Liodytes rigida deltae (Huheey, 1959) -- valid -- Delta Crawfish Snake, Delta Crayfish Snake, Delta Swampsnake
  Liodytes rigida rigida (Say, 1825) -- valid -- Eastern Glossy Swampsnake, Glossy Crayfish Snake, Glossy Crawfish Snake
  Lithobates Fitzinger, 1843 -- valid -- American Water Frogs
  Lithobates areolatus (Baird and Girard, 1852) -- valid -- Crawfish Frog
  Lithobates berlandieri (Baird, 1859) -- valid -- Rio Grande Leopard Frog
  Lithobates blairi (Mecham, Littlejohn, Oldham, Brown and Brown, 1973) -- valid -- Plains Leopard Frog
  Lithobates capito (LeConte, 1855) -- valid -- Gopher Frog
  Lithobates catesbeianus (Shaw, 1802) -- invalid -- American Bullfrog
  Lithobates chiricahuensis (Platz and Mecham, 1979) -- valid -- Chiricahua Leopard Frog
  Lithobates clamitans (Latreille in Sonnini de Manoncourt and Latreille, 1801) -- invalid -- Green Frog
  Lithobates fisheri (Stejneger, 1893) -- valid -- Vegas Valley Leopard Frog (extinct), Vegas Valley Leopard Frog
  Lithobates grylio (Stejneger, 1901) -- invalid -- Pig Frog
  Lithobates heckscheri (Wright, 1924) -- invalid -- River Frog
  Lithobates kauffeldi (Feinberg, Newman, Watkins-Colwell, Schlesinger, Zarate, Curry, Shaffer and Burger, 2014) -- valid -- Mid-Atlantic Coast Leopard Frog
  Lithobates okaloosae (Moler, 1985) -- invalid -- Florida Bog Frog
  Lithobates onca (Cope in Yarrow, 1875) -- valid -- Relict Leopard Frog
  Lithobates palustris (LeConte, 1825) -- valid -- Pickerel Frog
  Lithobates pipiens (Schreber, 1782) -- valid -- Northern Leopard Frog
  Lithobates septentrionalis (Baird, 1854) -- invalid -- Mink Frog
  Lithobates sevosus (Goin and Netting, 1940) -- valid -- Dusky Gopher Frog
  Lithobates sphenocephalus (Cope, 1886) -- valid -- Southern Leopard Frog
  Lithobates sylvaticus (LeConte, 1825) -- invalid -- Wood Frog
  Lithobates tarahumarae (Boulenger, 1917) -- valid -- Tarahumara Frog
  Lithobates virgatipes (Cope, 1891) -- invalid -- Carpenter Frog
  Lithobates yavapaiensis (Platz and Frost, 1984) -- valid -- Lowland Leopard Frog
  Micruroides K. P. Schmidt, 1928 -- valid -- Western Coral Snakes, Sonoran Coralsnakes
  Micruroides euryxanthus (Kennicott, 1860) -- valid -- Sonoran Coralsnake, Serpiente-coralillo sonorense, Western Coral Snake
  Micruroides euryxanthus euryxanthus (Kennicott, 1860) -- valid -- Arizona Coral Snake, Arizona Coralsnake
  Micrurus fulvius (Linnaeus, 1766) -- valid -- Northern Coral Snake, Harlequin Coralsnake, Serpiente-coralillo arlequín, Eastern Coral Snake
  Micrurus tener (Baird and Girard, 1853) -- valid -- Texas Coralsnake, Texas Coral Snake
  Micrurus tener tener (Baird and Girard, 1853) -- valid -- Texas Gulf-Coast Coralsnake
  Necturus Rafinesque, 1819 -- valid -- Mudpuppies, Waterdogs
  Necturus alabamensis Viosca, 1937 -- valid -- Black Warrior Waterdog, Alabama Waterdog, Black Warrior River Waterdog
  Necturus beyeri Viosca, 1937 -- valid -- Gulf Coast Waterdog
  Necturus lewisi Brimley, 1924 -- valid -- Neuse River Waterdog
  Necturus louisianensis Viosca, 1938 -- valid -- Red River Mudpuppy
  Necturus maculosus (Rafinesque, 1818) -- valid -- necture tacheté, Mudpuppy
  Necturus punctatus (Gibbes, 1850) -- valid -- Dwarf Waterdog
  Nerodia clarkii (Baird and Girard, 1853) -- valid -- Salt Marsh Water Snake, Saltmarsh Snake, Gulf salt marsh snake, Salt Marsh Snake
  Nerodia clarkii clarkii (Baird and Girard, 1853) -- valid -- Gulf Salt Marsh Snake, Gulf Saltmarsh Watersnake
  Nerodia clarkii compressicauda Kennicott, 1860 -- valid -- Mangrove Salt Marsh Snake, Mangrove Saltmarsh Watersnake
  Nerodia clarkii taeniata (Cope, 1895) -- valid -- Atlantic Salt Marsh Snake, Atlantic Saltmarsh Watersnake
  Nerodia cyclopion (A. M. C. Duméril, Bibron and A. H. A. Duméril, 1854) -- valid -- Green Water Snake, Mississippi Green Water Snake, Mississippi Green Watersnake
  Nerodia erythrogaster (Forster in Bossu, 1771) -- valid -- Plain-bellied Water Snake, Culebra-de agua vientre claro, Plainbelly Water Snake, Plain-bellied Watersnake, Red-bellied Water Snake, Redbelly Water Snake
  Nerodia fasciata (Linnaeus, 1766) -- valid -- Southern Water Snake, Southern Watersnake
  Nerodia fasciata confluens (Blanchard, 1923) -- valid -- Broad-banded Water Snake, Broad-banded Watersnake
  Nerodia fasciata fasciata (Linnaeus, 1766) -- valid -- Southern Water Snake, Banded Watersnake
  Nerodia fasciata pictiventris (Cope, 1895) -- valid -- Florida Water Snake, Florida Watersnake
  Nerodia floridana (Goff, 1936) -- valid -- Florida Green Water Snake, Florida Green Watersnake
  Nerodia harteri (Trapido, 1941) -- valid -- Harter's Water Snake, Brazos River Water Snake, Brazos River Watersnake, Brazos Water Snake, Harters Water Snake
  Nerodia paucimaculata (Tinkle and Conant, 1961) -- valid -- Concho Water Snake, Concho Watersnake
  Nerodia rhombifer (Hallowell, 1852) -- valid -- Diamondback Water Snake, Culebra-de agua de diamantes, Diamond-backed Watersnake
  Nerodia rhombifer rhombifer (Hallowell, 1852) -- valid -- Diamondback Water Snake, Northern Diamond-backed Watersnake
  Nerodia sipedon (Linnaeus, 1758) -- valid -- Northern Water Snake, couleuvre d'eau, Common Watersnake
  Nerodia sipedon insularum (Conant and Clay, 1937) -- valid -- Lake Erie Water Snake, Lake Erie Watersnake
  Nerodia sipedon pleuralis (Cope, 1892) -- valid -- Midland Water Snake, Midland Watersnake
  Nerodia sipedon sipedon (Linnaeus, 1758) -- valid -- Northern Water Snake, Northern Watersnake
  Nerodia sipedon williamengelsi (Conant and Lazell, 1973) -- valid -- Carolina Water Snake, Carolina Watersnake
  Nerodia taxispilota (Holbrook, 1838) -- valid -- Brown Water Snake, Brown Watersnake
  Notophthalmus Rafinesque, 1820 -- valid -- Eastern Newts, North American Newts
  Notophthalmus meridionalis (Cope, 1880) -- valid -- Tritón manchas negras, Black-spotted Newt
  Notophthalmus perstriatus (Bishop, 1941) -- valid -- Striped Newt
  Notophthalmus viridescens (Rafinesque, 1820) -- valid -- triton vert, Eastern Newt
  Opheodrys aestivus (Linnaeus, 1766) -- valid -- Rough Green Snake, Rough Greensnake, Culebra-verde rugosa
  Opheodrys aestivus aestivus (Linnaeus, 1766) -- valid -- Northern Rough Greensnake
  Opheodrys aestivus carinatus Grobman, 1984 -- valid -- Florida Rough Greensnake
  Ophisaurus attenuatus Baird in Cope, 1880 -- valid -- Slender Glass Lizard
  Ophisaurus attenuatus attenuatus Baird in Cope, 1880 -- valid -- Western Slender Glass Lizard
  Ophisaurus attenuatus longicaudus McConkey, 1952 -- valid -- Eastern Slender Glass Lizard
  Ophisaurus compressus Cope, 1900 -- valid -- Island Glass Lizard
  Ophisaurus mimicus Palmer, 1987 -- valid -- Mimic Glass Lizard
  Ophisaurus ventralis (Linnaeus, 1766) -- valid -- Eastern Glass Lizard
  Oxybelis aeneus (Wagler, 1824) -- valid -- Brown Vine Snake, Brown Vinesnake, Culebra-bejuquilla mexicana, Mexican Vine Snake
  Pantherophis Fitzinger, 1843 -- valid -- North American Ratsnakes
  Pantherophis alleghaniensis (Holbrook, 1836) -- valid -- Eastern Rat Snake, Eastern Ratsnake
  Pantherophis bairdi (Yarrow, 1880) -- valid -- Baird's Ratsnake, Baird's Rat Snake, Culebra-ratonera de Baird
  Pantherophis emoryi (Baird and Girard, 1853) -- valid -- Great Plains Rat Snake, Great Plains Ratsnake
  Pantherophis guttatus (Linnaeus, 1766) -- valid -- Eastern Corn Snake, Culebra-ratonera de maiz, Corn Snake, Cornsnake, Red Cornsnake
  Pantherophis obsoletus (Say in James, 1823) -- valid -- Pilot Black Snake, Western Rat Snake, Black Rat Snake, Texas Ratsnake, Western Ratsnake
  Pantherophis ramspotti Crother, White, Savage, Eckstut, Graham and Gardner, 2011 -- valid -- Western Foxsnake
  Pantherophis slowinskii (Burbrink, 2002) -- valid -- Slowinski's Cornsnake
  Pantherophis spiloides (A. M. C. Duméril, Bibron and A. H. A. Duméril, 1854) -- valid -- Gray Rat Snake, Gray Ratsnake, Midland Rat Snake
  Pantherophis vulpinus (Baird and Girard, 1853) -- valid -- Eastern Fox Snake, Eastern Foxsnake
  Phaeognathus Highton, 1961 -- valid -- Red Hills Salamanders
  Phaeognathus hubrichti Highton, 1961 -- valid -- Red Hills Salamander
  Phyllorhynchus Stejneger, 1890 -- valid -- Leaf-nosed Snakes
  Phyllorhynchus browni Stejneger, 1890 -- valid -- Saddled Leaf-nosed Snake, Culebra-nariz lanceolada ensillada, Saddled Leafnose Snake, Pima Leafnose Snake, Maricopa Leafnose Snake
  Phyllorhynchus decurtatus (Cope, 1868) -- valid -- Spotted Leaf-nosed Snake, Culebra-nariz lanceolada pinta, Spotted Leafnose Snake
  Pituophis Holbrook, 1842 -- valid -- Bullsnakes, Gopher Snakes, Pine Snakes, Pinesnakes, Gophersnakes
  Pituophis catenifer (Blainville, 1835) -- valid -- Gopher Snake, Bullsnake, Gophersnake
  Pituophis catenifer affinis Hallowell, 1852 -- valid -- Sonoran Gopher Snake, Sonoran Gophersnake
  Pituophis catenifer annectens Baird and Girard, 1853 -- valid -- San Diego Gopher Snake, San Diego Gophersnake
  Pituophis catenifer catenifer (Blainville, 1835) -- valid -- Pacific Gopher Snake, Pacific Gophersnake
  Pituophis catenifer deserticola Stejneger, 1893 -- valid -- Great Basin Gopher Snake, Great Basin Gophersnake
  Pituophis catenifer pumilis Klauber, 1946 -- valid -- Santa Cruz Gopher Snake, Santa Cruz Island Gophersnake
  Pituophis catenifer sayi (Schlegel, 1837) -- valid -- Bullsnake
  Pituophis melanoleucus (Daudin, 1803) -- valid -- Pine Snake, Pinesnake, Culebra-sorda toro, Eastern Pine Snake, Eastern Pinesnake
  Pituophis melanoleucus lodingi Blanchard, 1924 -- valid -- Black Pine Snake, Black Pinesnake
  Pituophis melanoleucus melanoleucus (Daudin, 1803) -- valid -- Northern Pine Snake, Northern Pinesnake
  Pituophis melanoleucus mugitus Barbour, 1921 -- valid -- Florida Pine Snake, Florida Pinesnake
  Pituophis ruthveni Stull, 1929 -- valid -- Louisiana Pine Snake, Louisiana Pinesnake
  Plethodon Tschudi, 1838 -- valid -- Woodland Salamanders
  Plethodon ainsworthi Lazell, 1998 -- valid -- Catahoula Salamander, Bay Springs Salamander
  Plethodon albagula Grobman, 1944 -- valid -- Western Slimy Salamander
  Plethodon amplus Highton and Peabody, 2000 -- valid -- Blue Ridge Gray-cheeked Salamander
  Plethodon angusticlavius Grobman, 1944 -- valid -- Ozark Salamander, Ozark Zigzag Salamander
  Plethodon asupak Mead, Clayton, Nauman, Olson and Pfrender, 2005 -- valid -- Scott Bar Salamander
  Plethodon aureolus Highton, 1984 -- valid -- Tellico Salamander
  Plethodon caddoensis Pope and Pope, 1951 -- valid -- Caddo Mountain Salamander
  Plethodon chattahoochee Highton in Highton, Maha and Maxson, 1989 -- valid -- Chattahoochee Slimy Salamander
  Plethodon cheoah Highton and Peabody, 2000 -- valid -- Cheoah Bald Salamander
  Plethodon chlorobryonis Mittleman, 1951 -- valid -- Atlantic Coast Slimy Salamander
  Plethodon cinereus (Green, 1818) -- valid -- Redback Salamander, salamandre rayée, Red-backed Salamander, Eastern Red-backed Salamander
  Plethodon cylindraceus (Harlan, 1825) -- valid -- White-spotted Slimy Salamander
  Plethodon dorsalis Cope, 1889 -- valid -- Zigzag Salamander, Zig-zag Salamander, Northern Zigzag Salamander
  Plethodon dunni Bishop, 1934 -- valid -- Dunn's Salamander
  Plethodon electromorphus Highton, 1999 -- valid -- Northern Ravine Salamander
  Plethodon elongatus Van Denburgh, 1916 -- valid -- Del Norte Salamander
  Plethodon fourchensis Duncan and Highton, 1979 -- valid -- Fourche Mountain Salamander
  Plethodon glutinosus (Green, 1818) -- valid -- Slimy Salamander, Northern Slimy Salamander
  Plethodon grobmani Allen and Neill, 1949 -- valid -- Southeastern Slimy Salamander
  Plethodon hoffmani Highton, 1972 -- valid -- Valley and Ridge Salamander
  Plethodon hubrichti Thurow, 1957 -- valid -- Peaks of Otter Salamander
  Plethodon idahoensis Slater and Slipp, 1940 -- valid -- Coeur d'Alene Salamander
  Plethodon jordani Blatchley, 1901 -- valid -- Appalachian Salamander, Jordan's Salamander, Red-cheeked Salamander
  Plethodon kentucki Mittleman, 1951 -- valid -- Kentucky Salamander, Cumberland Plateau Salamander
  Plethodon kiamichi Highton in Highton, Maha and Maxson, 1989 -- valid -- Kiamichi Slimy Salamander
  Plethodon kisatchie Highton in Highton, Maha and Maxson, 1989 -- valid -- Louisiana Slimy Salamander
  Plethodon larselli Burns, 1954 -- valid -- Larch Mountain Salamander
  Plethodon meridianus Highton and Peabody, 2000 -- valid -- South Mountain Gray-cheeked Salamander
  Plethodon metcalfi Brimley, 1912 -- valid -- Southern Gray-cheeked Salamander
  Plethodon mississippi Highton in Highton, Maha and Maxson, 1989 -- valid -- Mississippi Slimy Salamander
  Plethodon montanus Highton and Peabody, 2000 -- valid -- Northern Gray-cheeked Salamander
  Plethodon neomexicanus Stebbins and Riemer, 1950 -- valid -- Jemez Mountains Salamander
  Plethodon nettingi Green, 1938 -- valid -- Cheat Mountain Salamander
  Plethodon ocmulgee Highton in Highton, Maha and Maxson, 1989 -- valid -- Ocmulgee Slimy Salamander
  Plethodon ouachitae Dunn and Heinze, 1933 -- valid -- Rich Mountain Salamander
  Plethodon petraeus Wynn, Highton and Jacobs, 1988 -- valid -- Pigeon Mountain Salamander
  Plethodon punctatus Highton, 1972 -- valid -- White-spotted Salamander, White Spotted Salamander, Cow Knob Salamander
  Plethodon richmondi Netting and Mittleman, 1938 -- valid -- Ravine Salamander, Southern Ravine Salamander
  Plethodon savannah Highton in Highton, Maha and Maxson, 1989 -- valid -- Savannah Slimy Salamander
  Plethodon sequoyah Highton in Highton, Maha and Maxson, 1989 -- valid -- Sequoyah Slimy Salamander
  Plethodon serratus Grobman, 1944 -- valid -- Southern Red-backed Salamander
  Plethodon shenandoah Highton and Worthington, 1967 -- valid -- Shenandoah Salamander
  Plethodon sherando Highton, 2004 -- valid -- Big Levels Salamander
  Plethodon shermani Stejneger, 1906 -- valid -- Red-legged Salamander
  Plethodon stormi Highton and Brame, 1965 -- valid -- Siskiyou Mountains Salamander
  Plethodon teyahalee Hairston, 1950 -- valid -- Southern Appalachian Salamander
  Plethodon vandykei Van Denburgh, 1906 -- valid -- Van Dyke's Salamander
  Plethodon variolatus (Gilliams, 1818) -- valid -- South Carolina Slimy Salamander
  Plethodon vehiculum (Cooper, 1860) -- valid -- Western Red-backed Salamander
  Plethodon ventralis Highton, 1997 -- valid -- Southern Zigzag Salamander
  Plethodon virginia Highton, 1999 -- valid -- Shenandoah Mountain Salamander
  Plethodon websteri Highton, 1979 -- valid -- Webster's Salamander
  Plethodon welleri Walker, 1931 -- valid -- Weller's Salamander
  Plethodon yonahlossee Dunn, 1917 -- valid -- Yonahlossee Salamander
  Podarcis muralis (Laurenti, 1768) -- valid -- Common Wall Lizard
  Podarcis siculus (Rafinesque-Schmaltz, 1810) -- valid -- Italian Wall Lizard
  Pseudacris Fitzinger, 1843 -- valid -- Chorus Frogs, Spring Peepers
  Pseudacris brachyphona (Cope, 1889) -- valid -- Mountain Chorus Frog
  Pseudacris brimleyi Brandt and Walker, 1933 -- valid -- Brimley's Chorus Frog
  Pseudacris cadaverina (Cope, 1866) -- valid -- Rana-de coro californiana, California Chorus Frog, California Treefrog
  Pseudacris clarkii (Baird, 1854) -- valid -- Spotted Chorus Frog
  Pseudacris crucifer (Wied-Neuwied, 1838) -- valid -- rainette crucifère, Spring Peeper
  Pseudacris feriarum (Baird, 1854) -- valid -- Southeastern Chorus Frog, Upland Chorus Frog
  Pseudacris fouquettei Lemmon, Lemmon, Collins and Cannatella, 2008 -- valid -- Cajun Chorus Frog
  Pseudacris hypochondriaca (Hallowell, 1854) -- invalid -- Baja California Treefrog
  Pseudacris illinoensis Smith, 1951 -- valid -- Illinois Chorus Frog
  Pseudacris kalmi Harper, 1955 -- valid -- New Jersey Chorus Frog
  Pseudacris maculata (Agassiz, 1850) -- valid -- rainette faux-grillon boréale, Boreal Chorus Frog
  Pseudacris nigrita (LeConte, 1825) -- valid -- Southern Chorus Frog
  Pseudacris ocularis (Bosc and Daudin in Sonnini de Manoncourt and Latreille, 1801) -- invalid -- Little Grass Frog
  Pseudacris ornata (Holbrook, 1836) -- valid -- Ornate Chorus Frog
  Pseudacris regilla (Baird and Girard, 1852) -- valid -- Northern Pacific Treefrog, Rana-de coro del pacífico, Pacific Chorus Frog, Pacific Treefrog
  Pseudacris sierra (Jameson, Mackey and Richmond, 1966) -- invalid -- Sierran Treefrog
  Pseudacris streckeri Wright and Wright, 1933 -- valid -- Strecker's Chorus Frog
  Pseudacris triseriata (Wied-Neuwied, 1838) -- valid -- rainette faux-grillon de l'ouest, Striped Chorus Frog, Western Chorus Frog
  Pseudobranchus Gray, 1825 -- valid -- Dwarf Sirens
  Pseudobranchus axanthus Netting and Goin, 1942 -- valid -- Narrow-striped Mud Siren, Southern Dwarf Siren
  Pseudobranchus striatus (LeConte, 1824) -- valid -- Dwarf Siren, Mud Siren, Northern Dwarf Siren
  Pseudotriton Tschudi, 1838 -- valid -- Mud Salamanders, Red Salamanders
  Pseudotriton diastictus Bishop, 1941 -- valid -- Midland Mud Salamander
  Pseudotriton montanus Baird, 1850 -- valid -- Mud Salamander
  Pseudotriton ruber (Sonnini de Manoncourt and Latreille, 1801) -- valid -- Red Salamander
  Rana aurora Baird and Girard, 1852 -- invalid -- Red-legged Frog, Rana pata roja, Northern Red-legged Frog
  Rana boylii Baird, 1854 -- invalid -- Rana pata amarilla, Foothill Yellow-legged Frog
  Rana cascadae Slater, 1939 -- invalid -- Cascades Frog
  Rana draytonii Baird and Girard, 1852 -- invalid -- California Red-legged Frog
  Rana luteiventris Thompson, 1913 -- invalid -- Columbia Spotted Frog
  Rana muscosa Camp, 1917 -- invalid -- Mountain Yellow-legged Frog, Southern Mountain Yellow-legged Frog
  Rana pretiosa Baird and Girard, 1853 -- invalid -- Oregon Spotted Frog
  Rana sierrae Camp, 1917 -- invalid -- Sierra Nevada Yellow-legged Frog
  Regina Baird and Girard, 1853 -- valid -- Crayfish Snakes, Crawfish Snakes
  Regina grahamii Baird and Girard, 1853 -- valid -- Graham's Crayfish Snake, Graham's Crawfish Snake
  Regina septemvittata (Say, 1825) -- valid -- Queen Snake, Queensnake
  Rena Baird and Girard, 1853 -- valid -- Threadsnakes
  Rena dissecta (Cope, 1896) -- valid -- New Mexico Threadsnake, New Mexico Blind Snake
  Rena dulcis Baird and Girard, 1853 -- valid -- Texas Threadsnake, Serpiente-lombriz texana, Texas Slender Blind Snake, Plains Threadsnake, Texas Blind Snake
  Rena dulcis dulcis Baird and Girard, 1853 -- valid -- Plains Blind Snake, Plains Threadsnake
  Rena dulcis rubella (Garman, 1884) -- valid -- South Texas Threadsnake
  Rena humilis Baird and Girard, 1853 -- valid -- Western Threadsnake
  Rena humilis cahuilae (Klauber, 1931) -- valid -- Desert Blind Snake, Desert Threadsnake
  Rena humilis humilis Baird and Girard, 1853 -- valid -- Southwestern Threadsnake, Southwestern Blind Snake
  Rena humilis segrega (Klauber, 1939) -- invalid -- Trans-Pecos Threadsnake
  Rena humilis utahensis (Tanner, 1938) -- valid -- Utah Blind Snake, Utah Threadsnake
  Rhadinaea Cope, 1863 -- valid -- Woodlands Snakes, Woodland Snakes, Littersnakes
  Rhadinaea flavilata (Cope, 1871) -- valid -- Pine Woods Snake, Pine Woods Littersnake
  Rhinella Fitzinger, 1826 -- valid -- South American Toads
  Rhinella horribilis (Wiegmann, 1833) -- valid -- Mesoamerican Cane Toad
  Rhinocheilus Baird and Girard, 1853 -- valid -- Long-nosed Snakes
  Rhinocheilus lecontei Baird and Girard, 1853 -- valid -- Long-nosed Snake, Culebra narigona, Longnose Snake, Western Long-nosed Snake
  Rhinophrynus dorsalis Duméril and Bibron, 1841 -- valid -- Mexican Burrowing Toad, Sapo-excavador mexicano, Burrowing Toad
  Rhyacotriton Dunn, 1920 -- valid -- Olympic Salamanders, Olympic Torrent Salamanders, Torrent Salamanders
  Rhyacotriton cascadae Good and Wake, 1992 -- valid -- Cascade Torrent Salamander
  Rhyacotriton kezeri Good and Wake, 1992 -- valid -- Columbia Torrent Salamander
  Rhyacotriton olympicus (Gaige, 1917) -- valid -- Olympic Salamander, Olympic Torrent Salamander
  Rhyacotriton variegatus Stebbins and Lowe, 1951 -- valid -- Southern Torrent Salamander
  Salvadora Baird and Girard, 1853 -- valid -- Patch-nosed Snakes
  Salvadora grahamiae Baird and Girard, 1853 -- valid -- Mountain Patch-nosed Snake, Culebra-parchada de montaña, Mountain Patchnose Snake, Eastern Patch-nosed Snake
  Salvadora grahamiae grahamiae Baird and Girard, 1853 -- valid -- Mountain Patchnose Snake, Mountain Patch-nosed Snake
  Salvadora grahamiae lineata Schmidt, 1940 -- valid -- Texas Patch-nosed Snake
  Salvadora hexalepis (Cope, 1867) -- valid -- Western Patch-nosed Snake, Culebra-parchada de cabestrillo, Western Patchnose Snake
  Salvadora hexalepis deserticola Schmidt, 1940 -- invalid -- Big Bend Patch-nosed Snake
  Salvadora hexalepis hexalepis (Cope, 1867) -- valid -- Desert Patchnose Snake, Desert Patch-nosed Snake
  Salvadora hexalepis mojavensis Bogert, 1945 -- valid -- Mojave Patchnose Snake, Mohave Patch-nosed Snake
  Salvadora hexalepis virgultea Bogert, 1936 -- valid -- Coast Patchnose Snake, Coast Patch-nosed Snake
  Salvator merianae Duméril and Bibron, 1839 -- valid -- Argentine Black and White Tegu, Argentine Giant Tegu
  Scaphiopus Holbrook, 1836 -- valid -- North American Spadefoots
  Scaphiopus couchii Baird, 1854 -- valid -- Couch's Spadefoot
  Scaphiopus holbrookii (Harlan, 1835) -- valid -- Eastern Spadefoot
  Scaphiopus hurterii Strecker, 1910 -- valid -- Hurter's Spadefoot
  Senticolis Dowling and Fries, 1987 -- valid -- Mountain Rat Snakes, Green Ratsnakes
  Senticolis triaspis (Cope, 1866) -- valid -- Green Rat Snake, Green Ratsnake, Culebra oliva
  Senticolis triaspis intermedia (Boettger, 1883) -- valid -- Green Rat Snake, Northern Green Ratsnake
  Siren Österdam, 1766 -- valid -- Sirens
  Siren intermedia Barnes, 1826 -- valid -- Sirena menor, Lesser Siren
  Siren lacertina Österdam, 1766 -- valid -- Greater Siren, Sirena mayor
  Sistrurus Garman, 1884 -- valid -- Massasaugas, Pigmy Rattlesnakes, Pygmy Rattlesnakes
  Sistrurus catenatus (Rafinesque-Schmaltz, 1818) -- valid -- Massasauga, Víbora-cascabel pigmea-norteña, Eastern Massasauga
  Sistrurus miliarius (Linnaeus, 1766) -- valid -- Pigmy Rattlesnake, Pygmy Rattlesnake
  Sistrurus miliarius barbouri Gloyd, 1935 -- valid -- Dusky Pigmy Rattlesnake, Dusky Pygmy Rattlesnake
  Sistrurus miliarius miliarius (Linnaeus, 1766) -- valid -- Carolina Pigmy Rattlesnake, Carolina Pygmy Rattlesnake
  Sistrurus miliarius streckeri Gloyd, 1935 -- valid -- Western Pigmy Rattlesnake, Western Pygmy Rattlesnake
  Sistrurus tergeminus (Say in James, 1823) -- valid -- Western Massasauga
  Sistrurus tergeminus edwardsii (Baird and Girard, 1853) -- valid -- Desert Massasauga
  Sistrurus tergeminus tergeminus (Say in James, 1823) -- valid -- Prairie Massasauga, Western Massasauga
  Smilisca Cope, 1865 -- valid -- Smiliscas, Mexican treefrogs
  Smilisca baudinii (Duméril and Bibron, 1841) -- valid -- Mexican Smilisca, Mexican Treefrog
  Smilisca fodiens (Boulenger, 1882) -- valid -- Lowland Burrowing Treefrog
  Sonora Baird and Girard, 1853 -- valid -- North American Ground Snakes, North American Groundsnakes
  Sonora semiannulata Baird and Girard, 1853 -- valid -- Ground Snake, Groundsnake, Culebra-suelera semianillada, Western Groundsnake
  Sonora semiannulata semiannulata Baird and Girard, 1853 -- valid -- Variable Groundsnake
  Sonora semiannulata taylori (Boulenger, 1894) -- valid -- Southern Texas Groundsnake
  Spea Cope, 1866 -- valid -- Western Spadefoots
  Spea bombifrons (Cope, 1863) -- valid -- Sapo-de espuelas de las planicies, Plains Spadefoot
  Spea hammondii (Baird, 1859) -- valid -- Western Spadefoot
  Spea intermontana (Cope, 1883) -- valid -- Great Basin Spadefoot
  Spea multiplicata (Cope, 1863) -- valid -- Mexican Spadefoot
  Stereochilus Cope, 1869 -- valid -- Many-lined Salamanders
  Stereochilus marginatus (Hallowell, 1856) -- valid -- Many-lined Salamander
  Storeria dekayi (Holbrook, 1839) -- valid -- Dekay's Brown Snake, Dekay's Brownsnake, Culebra-parda de Kay, Brown Snake, couleuvre brune, Northern Brown Snake
  Storeria occipitomaculata (Storer, 1839) -- valid -- Red-bellied Snake, Redbelly Snake, couleuvre à ventre rouge
  Storeria victa Hay, 1892 -- valid -- Florida Brownsnake, Florida Brown Snake
  Tantilla Baird and Girard, 1853 -- valid -- Black-headed Snakes, Crowned Snakes, Flat-headed Snakes
  Tantilla atriceps (Günther, 1895) -- valid -- Mexican Black-headed Snake, Culebra-encapuchada mexicana, Mexican Blackhead Snake
  Tantilla coronata Baird and Girard, 1853 -- valid -- Southeastern Crowned Snake
  Tantilla cucullata Minton, 1956 -- valid -- Trans-Pecos Black-headed Snake, Big Bend Black-headed Snake, Big Bend Blackhead Snake
  Tantilla gracilis Baird and Girard, 1853 -- valid -- Flat-headed Snake, Culebra-ciempiés cabeza plana, Flathead Snake
  Tantilla hobartsmithi Taylor, 1936 -- valid -- Southwestern Black-headed Snake, Culebra-encapuchada del Suroeste, Southwestern Blackhead Snake, Smith's Black-headed Snake
  Tantilla nigriceps Kennicott, 1860 -- valid -- Plains Black-headed Snake, Culebra-encapuchada de pradera, Plains Blackhead Snake
  Tantilla oolitica Telford, 1966 -- valid -- Rim Rock Crowned Snake
  Tantilla planiceps (Blainville, 1835) -- valid -- California Black-headed Snake, Western Black-headed Snake, Culebra-encapuchada californiana, Western Blackhead Snake
  Tantilla relicta Telford, 1966 -- valid -- Florida Crowned Snake
  Tantilla relicta neilli Telford, 1966 -- valid -- Central Florida Crowned Snake
  Tantilla relicta pamlica Telford, 1966 -- valid -- Coastal Dunes Crown Snake, Coastal Dunes Crowned Snake
  Tantilla relicta relicta Telford, 1966 -- valid -- Peninsula Crown Snake, Peninsula Crowned Snake
  Tantilla wilcoxi Stejneger, 1902 -- valid -- Chihuahuan Black-headed Snake, Culebra-encapuchada chihuahuense, Chihuahuan Blackhead Snake
  Tantilla yaquia H. M. Smith, 1942 -- valid -- Yaqui Black-headed Snake, Culebra-encapuchada yaqui, Yaquia Blackhead Snake
  Taricha Gray, 1850 -- valid -- Pacific Newts
  Taricha granulosa (Skilton, 1849) -- valid -- Rough-skinned Newt
  Taricha rivularis (Twitty, 1935) -- valid -- Red-bellied Newt
  Taricha sierrae (Twitty, 1942) -- valid -- Sierra Newt
  Taricha torosa (Rathke, 1833) -- valid -- California Newt
  Thamnophis Fitzinger, 1843 -- valid -- Garter Snakes, Ribbon Snakes, North American Gartersnakes
  Thamnophis atratus (Kennicott in Cooper, 1860) -- valid -- Santa Cruz Garter Snake, Western Aquatic Garter Snake, Aquatic Garter Snake, Pacific Coast Aquatic Garter Snake, Aquatic Gartersnake
  Thamnophis atratus atratus (Kennicott in Cooper, 1860) -- valid -- Santa Cruz Gartersnake
  Thamnophis atratus hydrophilus Fitch, 1936 -- valid -- Oregon Garter Snake, Oregon Gartersnake
  Thamnophis atratus zaxanthus Boundy, 1999 -- valid -- Diablo Range Gartersnake
  Thamnophis brachystoma (Cope, 1892) -- valid -- Short-headed Garter Snake, Shorthead Garter Snake, Short-headed Gartersnake
  Thamnophis butleri (Cope, 1889) -- valid -- Butler's Garter Snake, Butler's Gartersnake
  Thamnophis couchii (Kennicott in Baird, 1859) -- valid -- Couch's Garter Snake, Sierra Garter Snake, Western Aquatic Garter Snake, Sierra Gartersnake
  Thamnophis cyrtopsis (Kennicott, 1860) -- valid -- Black-necked Garter Snake, Culebra-listonada cuello negro, Blackneck Garter Snake, Black-necked Gartersnake
  Thamnophis cyrtopsis cyrtopsis (Kennicott, 1860) -- valid -- Western Black-headed Snake, Western Black-necked Gartersnake
  Thamnophis cyrtopsis ocellatus (Cope, 1880) -- valid -- Black-headed Garter Snake, Eastern Black-necked Gartersnake
  Thamnophis elegans (Baird and Girard, 1853) -- valid -- Western Terrestrial Garter Snake, Culebra-listonada elegante, Terrestrial Garter Snake
  Thamnophis elegans elegans (Baird and Girard, 1853) -- valid -- Mountain Garter Snake, Mountain Gartersnake
  Thamnophis elegans terrestris Fox, 1951 -- valid -- Coast Garter Snake, Coast Gartersnake
  Thamnophis elegans vagrans (Baird and Girard, 1853) -- valid -- Wandering Garter Snake, Wandering Gartersnake
  Thamnophis eques (Reuss, 1834) -- valid -- Mexican Garter Snake, Culebra-listonada del sur-mexicano, Mexican Gartersnake
  Thamnophis eques megalops (Kennicott, 1860) -- valid -- Northern Mexican Garter Snake, Northern Mexican Gartersnake, Brown Gartersnake
  Thamnophis gigas Fitch, 1940 -- valid -- Giant Garter Snake, Giant Gartersnake
  Thamnophis hammondii (Kennicott, 1860) -- valid -- Two-striped Garter Snake, Two-striped Gartersnake
  Thamnophis marcianus (Baird and Girard, 1853) -- valid -- Checkered Garter Snake, Culebra-listonada manchada, Checkered Gartersnake
  Thamnophis marcianus marcianus (Baird and Girard, 1853) -- valid -- Checkered Garter Snake, Marcy's Checkered Gartersnake
  Thamnophis ordinoides (Baird and Girard, 1852) -- valid -- Northwestern Garter Snake, Puget Sound Garter Snake, Northwestern Gartersnake
  Thamnophis proximus (Say in James, 1823) -- valid -- Western Ribbon Snake, Culebra-listonada occidental, Western Ribbonsnake
  Thamnophis proximus diabolicus Rossman, 1963 -- valid -- Arid Land Ribbon Snake, Arid Land Ribbonsnake
  Thamnophis proximus orarius Rossman, 1963 -- valid -- Gulf Coast Ribbon Snake, Gulf Coast Ribbonsnake
  Thamnophis proximus proximus (Say in James, 1823) -- valid -- Western Ribbon Snake, Orange-striped Ribbonsnake
  Thamnophis proximus rubrilineatus Rossman, 1963 -- valid -- Redstripe Ribbon Snake, Red-striped Ribbonsnake
  Thamnophis radix (Baird and Girard, 1853) -- valid -- Plains Garter Snake, Plains Gartersnake, Eastern Plains Garter Snake
  Thamnophis rufipunctatus (Cope, 1875) -- valid -- Culebra-de agua cabeza angosta, Narrow-headed Garter Snake, Narrowhead Garter Snake, Narrowhead Watersnake, Narrow-headed Gartersnake
  Thamnophis saurita (Linnaeus, 1766) -- valid -- Eastern Ribbonsnake
  Thamnophis saurita nitae Rossman, 1963 -- valid -- Bluestripe Ribbon Snake, Blue-striped Ribbonsnake
  Thamnophis saurita sackenii (Kennicott, 1859) -- valid -- Peninsula Ribbonsnake, Peninsula Ribbon Snake
  Thamnophis saurita saurita (Linnaeus, 1766) -- valid -- Eastern Ribbon Snake, Common Ribbonsnake
  Thamnophis saurita sepentrionalis Rossman, 1963 -- valid -- Northern Ribbonsnake, Northern Ribbon Snake
  Thamnophis sirtalis (Linnaeus, 1758) -- valid -- Common Garter Snake, couleuvre rayée, Culebra-listonada común, Common Gartersnake
  Thamnophis sirtalis annectens Brown, 1950 -- valid -- Texas Garter Snake, Texas Gartersnake
  Thamnophis sirtalis concinnus (Hallowell, 1852) -- valid -- Red-spotted Garter Snake, Red-spotted Gartersnake
  Thamnophis sirtalis dorsalis (Baird and Girard, 1853) -- valid -- New Mexico Garter Snake, New Mexico Gartersnake
  Thamnophis sirtalis fitchi Fox, 1951 -- valid -- Valley Garter Snake, Valley Gartersnake
  Thamnophis sirtalis infernalis (Blainville, 1835) -- valid -- California Red-sided Garter Snake, California Red-sided Gartersnake
  Thamnophis sirtalis parietalis (Say in James, 1823) -- valid -- Red-sided Garter Snake, Red-sided Gartersnake
  Thamnophis sirtalis pickeringii (Baird and Girard, 1853) -- valid -- Puget Sound Garter Snake, Puget Sound Gartersnake
  Thamnophis sirtalis semifasciatus (Cope, 1892) -- valid -- Chicago Garter Snake, Chicago Gartersnake
  Thamnophis sirtalis similis Rossman, 1965 -- valid -- Blue-striped Garter Snake, Bluestripe Garter Snake, Blue-striped Gartersnake
  Thamnophis sirtalis sirtalis (Linnaeus, 1758) -- valid -- Eastern Garter Snake, Eastern Gartersnake
  Thamnophis sirtalis tetrataenia (Cope in Yarrow, 1875) -- valid -- San Francisco Garter Snake, San Francisco Gartersnake
  Trimorphodon Cope, 1861 -- valid -- Lyre Snakes, Lyresnakes
  Trimorphodon lambda Cope, 1886 -- valid -- Sonoran Lyre Snake, Sonoran Lyresnake
  Trimorphodon lyrophanes (Cope, 1860) -- valid -- California Lyresnake, Baja California Lyre Snake
  Trimorphodon vilkinsonii Cope, 1886 -- valid -- Texas Lyre Snake, Texas Lyresnake
  Tropidoclonion Cope, 1860 -- valid -- Lined Snakes
  Tropidoclonion lineatum (Hallowell, 1856) -- valid -- Lined Snake
  Urspelerpes Camp, Peterman, Milanovich, Lamb, Maerz and Wake, 2009 -- valid -- patch-nosed salamanders
  Urspelerpes brucei Camp, Peterman, Milanovich, Lamb, Maerz and Wake, 2009 -- valid -- Patch-nosed Salamander
  Virginia Baird and Girard, 1853 -- invalid -- Earth Snakes, Earthsnakes, Smooth Earthsnakes
  Virginia valeriae Baird and Girard, 1853 -- invalid -- Smooth Earth Snake, Smooth Earthsnake
  Virginia valeriae elegans Kennicott, 1859 -- invalid -- Western Earth Snake, Western Smooth Earthsnake
  Virginia valeriae pulchra (Richmond, 1954) -- invalid -- Mountain Earth Snake, Mountain Earthsnake
  Virginia valeriae valeriae Baird and Girard, 1853 -- invalid -- Eastern Earth Snake, Eastern Smooth Earthsnake
  Xantusia Baird, 1859 -- valid -- night lizards
  Xantusia arizonae Klauber, 1931 -- valid -- Arizona Night Lizard
  Xantusia bezyi Papenfuss, Macey and Schulte, 2001 -- valid -- Bezy's Night Lizard
  Xantusia gracilis Grismer and Galvan, 1986 -- valid -- Sandstone Night Lizard
  Xantusia henshawi Stejneger, 1893 -- valid -- Granite Night Lizard, Henshaw's Night Lizard, Lagartija-escofina de granito
  Xantusia riversiana Cope, 1883 -- valid -- Island Night Lizard
  Xantusia riversiana reticulata H. M. Smith, 1946 -- valid -- San Clemente Night Lizard
  Xantusia riversiana riversiana Cope, 1883 -- valid -- San Nicolas Night Lizard
  Xantusia sierrae R. L. Bezy, 1967 -- valid -- Sierra Night Lizard
  Xantusia vigilis Baird, 1859 -- valid -- Desert Night Lizard, Lagartija-escofina de desierto
  Xantusia wigginsi Savage, 1952 -- valid -- Wiggins' Night Lizard
   

A gray bar