- 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 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
- 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 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
- Cryptobranchus alleganiensis - 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
- Ensatina eschscholtzii - 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
- 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
- Notophthalmus meridionalis - Black-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
- Pseudobranchus axanthus - Southern 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
- Pseudotriton montanus - Mud 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
- Siren intermedia - Lesser Siren
- Stereochilus - Many-lined Salamanders
- Stereochilus marginatus - Many-lined Salamander
- Taricha - Pacific Newts
- Taricha granulosa - Rough-skinned 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
- Urspelerpes - Patch-nosed Salamanders
- Urspelerpes brucei - Patch-nosed Salamander