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Salamanders
| Ambystoma | Mole Salamanders |
| Ambystoma altamirani | Mountain Stream Siredon |
| Ambystoma amblycephalum | Blunt-headed Salamander |
| Ambystoma andersoni | Anderson's Salamander |
| Ambystoma annulatum | Ringed Salamander |
| Ambystoma barbouri | Streamside Salamander |
| Ambystoma bishopi | Reticulated Flatwoods Salamander |
| Ambystoma bombypellum | Delicateskin Salamander |
| Ambystoma californiense | California Tiger Salamander |
| Ambystoma cingulatum | Frosted Flatwoods Salamander |
| Ambystoma dumerilii | Lake Patzcuaro Salamander |
| Ambystoma flavipiperatum | Yellow-peppered Salamander |
| Ambystoma gracile | Northwestern Salamander |
| Ambystoma granulosum | Granular Salamander |
| Ambystoma jeffersonianum | Jefferson Salamander |
| Ambystoma laterale | Blue-spotted Salamander |
| Ambystoma leorae | Leora's Stream Siredon |
| Ambystoma lermaense | Lake Lerma Salamander |
| Ambystoma mabeei | Mabee's Salamander |
| Ambystoma macrodactylum | Long-toed Salamander |
| A. m. columbianum | Eastern Long-toed Salamander |
| A. m. croceum | Santa Cruz Long-toed Salamander |
| A. m. krausei | Northern Long-toed Salamander |
| A. m. macrodactylum | Western Long-toed Salamander |
| A. m. sigillatum | Southern Long-toed Salamander |
| Ambystoma maculatum | Spotted Salamander |
| Ambystoma mavortium | Barred Tiger Salamander |
| A. m. diaboli | Gray Tiger Salamander |
| A. m. mavortium | Barred Tiger Salamander |
| A. m. melanostictum | Blotched Tiger Salamander |
| A. m. nebulosum | Arizona Tiger Salamander |
| A. m. stebbinsi | Sonoran Tiger Salamander |
| Ambystoma mexicanum | Axolotl |
| Ambystoma opacum | Marbled Salamander |
| Ambystoma ordinarium | Michoacán Stream Siredon |
| Ambystoma platineum | Silvery Salamander |
| Ambystoma rivulare | Toluca Stream Siredon |
| Ambystoma rosaceum | Tarahumara Salamander |
| A. r. nigrum | Durango Tarahumara Salamander |
| A. r. rosaceum | Common Tarahumara Salamander |
| Ambystoma silvensis | Pine Woods Salamander |
| Ambystoma subsalsum | Alchichica Salamander |
| Ambystoma talpoideum | Mole Salamander |
| Ambystoma taylori | Taylor's Salamander |
| Ambystoma texanum | Small-mouthed Salamander |
| Ambystoma tigrinum | Eastern Tiger Salamander |
| A. t. tigrinum | Eastern Tiger Salamander |
| Ambystoma tremblayi | Tremblay's Salamander |
| Ambystoma velasci | Plateau Tiger Salamander |
| Ambystoma zempoalaense | Lake Zempoala Salamander |
| Amphiuma | Amphiumas |
| Amphiuma means | Two-toed Amphiuma |
| Amphiuma pholeter | One-toed Amphiuma |
| Amphiuma tridactylum | Three-toed Amphiuma |
| Aneides | Climbing Salamanders |
| Aneides aeneus | Green Salamander |
| Aneides ferreus | Clouded Salamander |
| Aneides flavipunctatus | Black Salamander |
| A. f. flavipunctatus | Speckled Black Salamander |
| A. f. niger | Santa Cruz Black Salamander |
| Aneides hardii | Sacramento Mountains Salamander |
| Aneides lugubris | Arboreal Salamander |
| Aneides vagrans | Wandering Salamander |
| Batrachoseps | Slender Salamanders |
| Batrachoseps attenuatus | California Slender Salamander |
| Batrachoseps campi | Inyo Mountains Salamander |
| Batrachoseps diabolicus | Hell Hollow Slender Salamander |
| Batrachoseps gabrieli | San Gabriel Mountains Slender Salamander |
| Batrachoseps gavilanensis | Gabilan Mountains Slender Salamander |
| Batrachoseps gregarius | Gregarious Slender Salamander |
| Batrachoseps incognitus | San Simeon Slender Salamander |
| Batrachoseps kawia | Sequoia Slender Salamander |
| Batrachoseps luciae | Santa Lucia Mountains Slender Salamander |
| Batrachoseps major | Garden Slender Salamander |
| B. m. aridus | Desert Slender Salamander |
| B. m. major | Garden Slender Salamander |
| Batrachoseps minor | Lesser Slender Salamander |
| Batrachoseps nigriventris | Black-bellied Slender Salamander |
| Batrachoseps pacificus | Channel Islands Slender Salamander |
| Batrachoseps regius | Kings River Slender Salamander |
| Batrachoseps relictus | Relictual Slender Salamander |
| Batrachoseps robustus | Kern Plateau Salamander |
| Batrachoseps simatus | Kern Canyon Slender Salamander |
| Batrachoseps stebbinsi | Tehachapi Slender Salamander |
| Batrachoseps wrightorum | Oregon Slender Salamander |
| Bolitoglossa | Mushroom-tongued Salamanders |
| Bolitoglossa alberchi | Albercht's Salamander |
| Bolitoglossa engelhardti | Engelhardt's Salamander |
| Bolitoglossa flavimembris | Yellow-legged Salamander |
| Bolitoglossa flaviventris | Yellow-bellied Salamander |
| Bolitoglossa franklini | Franklin's Salamander |
| B. f. franklini | Common Franklin's Salamander |
| B. f. nigroflavescens | Black-bellied Salamander |
| Bolitoglossa hartwegi | Hartweg's Salamander |
| Bolitoglossa hermosa | Guerreran Salamander |
| Bolitoglossa lincolni | Lincoln's Salamander |
| Bolitoglossa macrinii | Oaxaca Salamander |
| Bolitoglossa mexicana | Mexican Mushroom-tongued Salamander |
| Bolitoglossa mulleri | Müller's Mushroom-tongued Salamander |
| Bolitoglossa oaxacensis | Atoyac Salamander |
| Bolitoglossa occidentalis | Southern Banana Salamander |
| Bolitoglossa odonnelli | O'Donnell's Salamander |
| Bolitoglossa platydactyla | Broad-footed Salamander |
| Bolitoglossa riletti | Rilett's Salamander |
| Bolitoglossa rostrata | Longnose Mushroomtounge Salamander |
| Bolitoglossa rufescens | Northern Banana Salamander |
| Bolitoglossa salvinii | Salvin's Mushroomtongue Salamander |
| Bolitoglossa stuarti | Stuart's Mushroomtongue Salamander |
| Bolitoglossa veracrucis | Veracruz Salamander |
| Bolitoglossa yucatana | Yucatán Mushroom-tongued Salamander |
| Bolitoglossa zapoteca | Zapotec Salamander |
| Chiropterotriton | Flat-footed Salamanders |
| Chiropterotriton arboreus | Arboreal Flat-footed Salamander |
| Chiropterotriton chiropterus | Common Flat-footed Salamander |
| Chiropterotriton chondrostega | Gristlehead Flat-footed Salamander |
| Chiropterotriton cracens | Graceful Flat-footed Salamander |
| Chiropterotriton dimidiatus | Dwarf Flat-footed Salamander |
| Chiropterotriton lavae | Pigmy Flat-footed Salamander |
| Chiropterotriton magnipes | Big-footed Salamander |
| Chiropterotriton mosaueri | Cave Flat-footed Salamander |
| Chiropterotriton multidentatus | Toothy Salamander |
| Chiropterotriton orculus | Cope's Flat-footed Salamander |
| Chiropterotriton priscus | Primeval Flat-footed Salamander |
| Chiropterotriton terrestris | Terrestrial Flat-footed Salamander |
| Cryptobranchus | Hellbenders |
| Cryptobranchus alleganiensis | Hellbender |
| C. a. alleganiensis | Eastern Hellbender |
| C. a. bishopi | Ozark Hellbender |
| Cryptotriton | Hidden Salamanders |
| Cryptotriton adelos | Sierra Juarez Salamander |
| Cryptotriton alvarezdeltoroi | Alvarez Del Toro's Salamander |
| Cynops | Fire-bellied Newts |
| Cynops orientalis | Chinese Fire-bellied Newt |
| Dendrotriton | Bromeliad Salamanders |
| Dendrotriton megarhinus | Long-nosed Bromeliad Salamander |
| Dendrotriton xolocalcae | Xolocalco Bromeliad Salamander |
| Desmognathus | Dusky Salamanders |
| Desmognathus abditus | Cumberland Dusky Salamander |
| Desmognathus aeneus | Seepage Salamander |
| Desmognathus apalachicolae | Apalachicola Dusky Salamander |
| Desmognathus auriculatus | Southern Dusky Salamander |
| Desmognathus brimleyorum | Ouachita Dusky Salamander |
| Desmognathus carolinensis | Carolina Mountain Dusky Salamander |
| Desmognathus conanti | Spotted Dusky Salamander |
| Desmognathus folkertsi | Dwarf Black-bellied Salamander |
| Desmognathus fuscus | Northern Dusky Salamander |
| Desmognathus imitator | Imitator Salamander |
| Desmognathus marmoratus | Shovel-nosed Salamander |
| Desmognathus monticola | Seal Salamander |
| Desmognathus ochrophaeus | Allegheny Mountain Dusky Salamander |
| Desmognathus ocoee | Ocoee Salamander |
| Desmognathus orestes | Blue Ridge Dusky Salamander |
| Desmognathus quadramaculatus | Black-bellied Salamander |
| Desmognathus santeetlah | Santeetlah Dusky Salamander |
| Desmognathus welteri | Black Mountain Salamander |
| Desmognathus wrighti | Pygmy Salamander |
| Dicamptodon | Pacific Giant Salamanders |
| Dicamptodon aterrimus | Idaho Giant Salamander |
| Dicamptodon copei | Cope's Giant Salamander |
| Dicamptodon ensatus | California Giant Salamander |
| Dicamptodon tenebrosus | Coastal Giant Salamander |
| Ensatina | Ensatinas |
| Ensatina eschscholtzii | Ensatina |
| E. e. croceater | Yellow-blotched Ensatina |
| E. e. eschscholtzii | Monterey Ensatina |
| E. e. klauberi | Large-blotched Ensatina |
| E. e. oregonensis | Oregon Ensatina |
| E. e. picta | Painted Ensatina |
| E. e. platensis | Sierra Nevada Ensatina |
| E. e. xanthoptica | Yellow-eyed Ensatina |
| Eurycea | Brook Salamanders |
| Eurycea aquatica | Dark-sided Salamander |
| Eurycea bislineata | Northern Two-lined Salamander |
| Eurycea chamberlaini | Chamberlain's Dwarf Salamander |
| Eurycea chisholmensis | Salado Salamander |
| Eurycea cirrigera | Southern Two-lined Salamander |
| Eurycea guttolineata | Three-lined Salamander |
| Eurycea junaluska | Junaluska Salamander |
| Eurycea latitans | Cascade Caverns Salamander |
| Eurycea longicauda | Long-tailed Salamander |
| E. l. longicauda | Long-tailed Salamander |
| E. l. melanopleura | Dark-sided Salamander |
| Eurycea lucifuga | Cave Salamander |
| Eurycea multiplicata | Many-ribbed Salamander |
| E. m. griseogaster | Graybelly Salamander |
| E. m. multiplicata | Many-ribbed Salamander |
| Eurycea nana | San Marcos Salamander |
| Eurycea naufragia | Georgetown Salamander |
| Eurycea neotenes | Texas Salamander |
| Eurycea pterophila | Fern Bank Salamander |
| Eurycea quadridigitata | Dwarf Salamander |
| Eurycea rathbuni | Texas Blind Salamander |
| Eurycea robusta | Blanco Blind Salamander |
| Eurycea sosorum | Barton Springs Salamander |
| Eurycea spelaea | Grotto Salamander |
| Eurycea tonkawae | Jollyville Plateau Salamander |
| Eurycea tridentifera | Comal Blind Salamander |
| Eurycea troglodytes | Valdina Farms Salamander |
| Eurycea tynerensis | Oklahoma Salamander |
| Eurycea waterlooensis | Austin Blind Salamander |
| Eurycea wilderae | Blue Ridge Two-lined Salamander |
| Gyrinophilus | Spring Salamanders |
| Gyrinophilus gulolineatus | Berry Cave Salamander |
| Gyrinophilus palleucus | Tennessee Cave Salamander |
| G. p. necturoides | Big Mouth Cave Salamander |
| G. p. palleucus | Pale Salamander |
| Gyrinophilus porphyriticus | Spring Salamander |
| G. p. danielsi | Blue Ridge Spring Salamander |
| G. p. dunni | Carolina Spring Salamander |
| G. p. duryi | Kentucky Spring Salamander |
| G. p. porphyriticus | Northern Spring Salamander |
| Gyrinophilus subterraneus | West Virginia Spring Salamander |
| Haideotriton | Georgia Blind Salamanders |
| Haideotriton wallacei | Georgia Blind Salamander |
| Hemidactylium | Four-toed Salamanders |
| Hemidactylium scutatum | Four-toed Salamander |
| Hydromantes | Web-toed Salamanders |
| Hydromantes brunus | Limestone Salamander |
| Hydromantes platycephalus | Mount Lyell Salamander |
| Hydromantes shastae | Shasta Salamander |
| Necturus | Waterdogs And Mudpuppies |
| Necturus alabamensis | Black Warrior River Waterdog |
| Necturus beyeri | Gulf Coast Waterdog |
| Necturus lewisi | Neuse River Waterdog |
| Necturus maculosus | Mudpuppy |
| N. m. louisianensis | Red River Mudpuppy |
| N. m. maculosus | Common Mudpuppy |
| Necturus punctatus | Dwarf Waterdog |
| Notophthalmus | Eastern Newts |
| Notophthalmus meridionalis | Black-Spotted Newt |
| N. m. kallerti | Mexican Black-spotted Newt |
| N. m. meridionalis | Texas Black-Spotted Newt |
| Notophthalmus perstriatus | Striped Newt |
| Notophthalmus viridescens | Eastern Newt |
| N. v. dorsalis | Broken-striped Newt |
| N. v. louisianensis | Central Newt |
| N. v. piaropicola | Peninsula Newt |
| N. v. viridescens | Red-Spotted Newt |
| Nyctanolis | Long-limbed Salamanders |
| Nyctanolis pernix | Nimble Long-limbed Salamander |
| Oedipina | Tropical Worm Salamanders |
| Oedipina elongata | Central American Worm Salamander |
| Parvimolge | Mexican Dwarf Salamanders |
| Parvimolge townsendi | Townsend's Dwarf Salamander |
| Phaeognathus | Red Hills Salamanders |
| Phaeognathus hubrichti | Red Hills Salamander |
| Plethodon | Woodland Salamanders |
| Plethodon ainsworthi | Bay Springs Salamander |
| Plethodon albagula | Western Slimy Salamander |
| Plethodon amplus | Blue Ridge Gray-cheeked Salamander |
| Plethodon angusticlavius | Ozark Zigzag Salamander |
| Plethodon asupak | Scott Bar Salamander |
| Plethodon aureolus | Tellico Salamander |
| Plethodon caddoensis | Caddo Mountain Salamander |
| Plethodon chattahoochee | Chattahoochee Slimy Salamander |
| Plethodon cheoah | Cheoah Bald Salamander |
| Plethodon chlorobryonis | Atlantic Coast Slimy Salamander |
| Plethodon cinereus | Eastern Red-backed Salamander |
| Plethodon cylindraceus | White-Spotted Slimy Salamander |
| Plethodon dorsalis | Northern Zigzag Salamander |
| Plethodon dunni | Dunn's Salamander |
| Plethodon electromorphus | Northern Ravine Salamander |
| Plethodon elongatus | Del Norte Salamander |
| Plethodon fourchensis | Fourche Mountain Salamander |
| Plethodon glutinosus | Northern Slimy Salamander |
| Plethodon grobmani | Southeastern Slimy Salamander |
| Plethodon hoffmani | Valley And Ridge Salamander |
| Plethodon hubrichti | Peaks Of Otter Salamander |
| Plethodon idahoensis | Coeur D'Alene Salamander |
| Plethodon jordani | Red-cheeked Salamander |
| Plethodon kentucki | Cumberland Plateau Salamander |
| Plethodon kiamichi | Kiamichi Slimy Salamander |
| Plethodon kisatchie | Louisiana Slimy Salamander |
| Plethodon larselli | Larch Mountain Salamander |
| Plethodon meridianus | South Mountain Gray-cheeked Salamander |
| Plethodon metcalfi | Southern Gray-cheeked Salamander |
| Plethodon mississippi | Mississippi Slimy Salamander |
| Plethodon montanus | Northern Gray-cheeked Salamander |
| Plethodon neomexicanus | Jemez Mountains Salamander |
| Plethodon nettingi | Cheat Mountain Salamander |
| Plethodon ocmulgee | Ocmulgee Slimy Salamander |
| Plethodon ouachitae | Rich Mountain Salamander |
| Plethodon petraeus | Pigeon Mountain Salamander |
| Plethodon punctatus | Cow Knob Salamander |
| Plethodon richmondi | Southern Ravine Salamander |
| Plethodon savannah | Savannah Slimy Salamander |
| Plethodon sequoyah | Sequoyah Slimy Salamander |
| Plethodon serratus | Southern Red-backed Salamander |
| Plethodon shenandoah | Shenandoah Salamander |
| Plethodon sherando | Big Levels Salamander |
| Plethodon shermani | Red-legged Salamander |
| Plethodon stormi | Siskiyou Mountains Salamander |
| Plethodon teyahalee | Southern Appalachian Salamander |
| Plethodon vandykei | Van Dyke's Salamander |
| Plethodon variolatus | South Carolina Slimy Salamander |
| Plethodon vehiculum | Western Red-backed Salamander |
| Plethodon ventralis | Southern Zigzag Salamander |
| Plethodon virginia | Shenandoah Mountain Salamander |
| Plethodon websteri | Webster's Salamander |
| Plethodon wehrlei | Wehrle's Salamander |
| Plethodon welleri | Weller's Salamander |
| Plethodon yonahlossee | Yonahlossee Salamander |
| Pseudobranchus | Dwarf Sirens |
| Pseudobranchus axanthus | Southern Dwarf Siren |
| P. a. axanthus | Narrow-striped Dwarf Siren |
| P. a. belli | Everglades Dwarf Siren |
| Pseudobranchus striatus | Northern Dwarf Siren |
| P. s. lustricolus | Gulf Hammock Dwarf Siren |
| P. s. spheniscus | Slender Dwarf Siren |
| P. s. striatus | Broad-striped Dwarf Siren |
| Pseudoeurycea | False Brook Salamanders |
| Pseudoeurycea ahuitzotl | Imperial Salamander |
| Pseudoeurycea altamontana | Morelos Salamander |
| Pseudoeurycea amuzga | Sierra De Malinaltepec Salamander |
| Pseudoeurycea anitae | Anita's Salamander |
| Pseudoeurycea aquatica | Aquatic Salamander |
| Pseudoeurycea aurantia | Peña Verde Salamander |
| Pseudoeurycea belli | Bell's Salamander |
| P. b. belli | Bell's False Brook Salamander |
| P. b. boneti | Oaxacan False Brook Salamander |
| P. b. sierraoccidentalis | Sonoran False Brook Salamander |
| Pseudoeurycea brunnata | Brown False Brook Salamander |
| Pseudoeurycea cephalica | Chunky False Brook Salamander |
| P. c. cephalica | Chunky False Brook Salamander |
| P. c. manni | Mann's False Brook Salamander |
| P. c. rubrimembris | Red-legged False Brook Salamander |
| Pseudoeurycea cochranae | Cochran's Salamander |
| Pseudoeurycea conanti | Conant's Salamander |
| Pseudoeurycea firscheini | Firshein's Salamander |
| Pseudoeurycea gadovii | Gadow's Salamander |
| Pseudoeurycea galeanae | Galeana False Brook Salamander |
| Pseudoeurycea gigantea | Giant False Brook Salamander |
| Pseudoeurycea goebeli | Goebel's False Brook Salamander |
| Pseudoeurycea juarezi | Sierra Juarez Salamander |
| Pseudoeurycea leprosa | Leprous False Brook Salamander |
| Pseudoeurycea lineola | Veracruz Worm Salamander |
| Pseudoeurycea longicauda | Long-tailed False Brook Salamander |
| Pseudoeurycea lynchi | Veracruz Green Salamander |
| Pseudoeurycea melanomolga | Black Salamander |
| Pseudoeurycea mixcoatl | Mixcoatl Salamander |
| Pseudoeurycea mystax | Mustached False Brook Salamander |
| Pseudoeurycea naucampatepetl | Cofre De Perote Salamander |
| Pseudoeurycea nigra | Black Jumping Salamander |
| Pseudoeurycea nigromaculata | Black-spotted Salamander |
| Pseudoeurycea obesa | Ridge Tail Salamander |
| Pseudoeurycea orchileuca | Sierra De Juarez Worm Salamander |
| Pseudoeurycea orchimelas | San Martin Worm Salamander |
| Pseudoeurycea papenfussi | Muscular Salamander |
| Pseudoeurycea parva | Dwarf False Brook Salamander |
| Pseudoeurycea praecellens | Admirable False Brook Salamander |
| Pseudoeurycea quetzalanensis | Cuetzalan Salamander |
| Pseudoeurycea robertsi | Roberts' False Brook Salamander |
| Pseudoeurycea ruficauda | Orange-tailed Agile Salamander |
| Pseudoeurycea saltator | Leaping False Brook Salamander |
| Pseudoeurycea scandens | Tamaulipan False Brook Salamander |
| Pseudoeurycea smithi | Smith's Salamander |
| Pseudoeurycea sulcata | Chunky False Brook Salamander |
| Pseudoeurycea tenchalli | Bearded Salamander |
| Pseudoeurycea teotepec | Teotepec Salamander |
| Pseudoeurycea tlahcuiloh | Green-flecked Salamander |
| Pseudoeurycea tlilicxitl | Black-footed Salamander |
| Pseudoeurycea unguidentis | Claw-toothed Salamander |
| Pseudoeurycea werleri | Werler's Salamander |
| Pseudotriton | Red And Mud Salamanders |
| Pseudotriton montanus | Mud Salamander |
| P. m. diastictus | Midland Mud Salamander |
| P. m. flavissimus | Gulf Coast Mud Salamander |
| P. m. floridanus | Rusty Mud Salamander |
| P. m. montanus | Eastern Mud Salamander |
| Pseudotriton ruber | Red Salamander |
| P. r. nitidus | Blue Ridge Red Salamander |
| P. r. ruber | Northern Red Salamander |
| P. r. schencki | Black-chinned Red Salamander |
| P. r. vioscai | Southern Red Salamander |
| Rhyacotriton | Torrent Salamanders |
| Rhyacotriton cascadae | Cascade Torrent Salamander |
| Rhyacotriton kezeri | Columbia Torrent Salamander |
| Rhyacotriton olympicus | Olympic Torrent Salamander |
| Rhyacotriton variegatus | Southern Torrent Salamander |
| Siren | Sirens |
| Siren intermedia | Lesser Siren |
| S. i. intermedia | Eastern Lesser Siren |
| S. i. nettingi | Western Lesser Siren |
| Siren lacertina | Greater Siren |
| Stereochilus | Many-lined Salamanders |
| Stereochilus marginatus | Many-lined Salamander |
| Taricha | Pacific Newts |
| Taricha granulosa | Rough-skinned Newt |
| T. g. granulosa | Northern Rough-skinned Newt |
| T. g. mazamae | Crater Lake Newt |
| Taricha rivularis | Red-bellied Newt |
| Taricha torosa | California Newt |
| T. t. sierrae | Sierra Newt |
| T. t. torosa | Coast Range Newt |
| Thorius | Mexican Pigmy Salamanders |
| Thorius arboreus | Arboreal Thorius |
| Thorius aurens | Golden Thorius |
| Thorius boreas | Boreal Thorius |
| Thorius dubitus | Acultzingo Pigmy Salamander |
| Thorius grandis | Grand Minute Salamander |
| Thorius infernalis | Atoyac Minute Salamander |
| Thorius insperatus | Surprise Thorius |
| Thorius lunaris | Crescent-nostriled Thorius |
| Thorius macdougalli | MacDougall's Pigmy Salamander |
| Thorius magnipes | Big-footed Thorius |
| Thorius minutissimus | Oaxacan Pigmy Salamander |
| Thorius minydemus | Minute Thorius |
| Thorius munificus | McDiarmid Thorius |
| Thorius narismagnus | San Martin Pigmy Salamander |
| Thorius narisovalis | Upper Cerro Pigmy Salamander |
| Thorius omiltemi | Omiltemi Minute Salamander |
| Thorius papaloae | Papalo Minute Salamander |
| Thorius pennatulus | Veracruz Pigmy Salamander |
| Thorius pulmonaris | Cerro San Felipe Salamander |
| Thorius schmidti | Schmidt's Pigmy Salamander |
| Thorius smithi | Smith's Thorius |
| Thorius spilogaster | Spotted Thorius |
| Thorius troglodytes | Taylor's Pigmy Salamander |
| Typhlotriton | Grotto Salamanders |
| See Eurycea spelaea. | |
| Urspelerpes | Patch-nosed Salamanders |
| Urspelerpes brucei | Patch-nosed Salamander |