Urodela (Salamanders, Newts, Axolotls etc.)
Taxonomy
Suborder: Cryptobranchoidea
Family: Hynobiidae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Hynobius turkestanicus | Nikolsky, 1909 | Turkestanian salamander | ? | "between Pamir and Samarkand" | Missing | Access |
| Protohynobius puxiongensis | Fei & Ye, 2000 | - | China | Rediscovered | Access |
Suborder: Salamandroidea
Family: Ambystomatidae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Ambystoma leorae | Taylor, 1943 | Leora’s stream salamander | - | High mountains near Rio Frio, Mexico | Rediscovered | Access |
| Ambystoma lermaense | (Taylor, 1940) | Lake Lerma salamander | ? | México state, México | Missing | Access |
Family: Amphiumidae
—No subordinate taxa
Family: Dicamptodontidae
—No subordinate taxa
Family: Plethodontidae (Lungless Salamanders)
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Aquiloeurycea praecellens | (Rabb, 1955) | Admirable false brook salamander | 24 December 1940 | Veracruz, México | Missing | Access |
| Batrachoseps sp. nov. 'Breckenridge' | - | Breckenridge Mountain slender salamander | 1983 | California, USA | Missing | Access |
| Bolitoglossa capitana | Brame & Wake, 1963 | Orphan salamander | (rediscovered) | Colombia | Rediscovered | Access |
| Bolitoglossa hermosa | Papenfuss, Wake and Adler, 1983 (1984) | Guerreran mushroomtongue salamander, Guerreran salamander | (rediscovered) | México | Rediscovered | Access |
| Bolitoglossa jacksoni | Elias, 1984 | Jackson’s salamander, Jackson’s climbing salamander, Jackson's mushroomtongue salamander | (rediscovered) | Guatemala | Rediscovered | Access |
| Bolitoglossa magnifica | Hanken, Wake & Savage, 2005 | Magnificent web-footed salamander | (rediscovered) | Chiriquí Province, Panama | Rediscovered | Access |
| Bolitoglossa marmorea | Tanner & Brame, 1961 | Crater salamander | (rediscovered) | Costa Rica & Panama | Rediscovered | Access |
| Bolitoglossa taylori | Wake, Brame & Myers, 1970 | Cerro Cituro salamander | (rediscovered) | Panama | Rediscovered | Access |
| Bradytriton silus | Wake & Elias, 1983 | Finca Chiblac salamander | (rediscovered) | Guatemala | Rediscovered | Access |
| Chiropterotriton arboreus | (Taylor, 1941) | Arboreal splayfoot salamander, Arboreal flat-footed salamander | (rediscovered) | Hidalgo, México | Rediscovered | Access |
| Chiropterotriton chiropterus | (Cope, 1863) | Common splayfoot salamander | (rediscovered) | Veracruz, México | Rediscovered | Access |
| Chiropterotriton lavae | (Taylor, 1942) | Pigmy splayfoot salamander, Pigmy flat-footed salamander | (rediscovered) | Veracruz, México | Rediscovered | Access |
| Chiropterotriton magnipes | Rabb, 1965 | Bigfoot splayfoot salamander | (rediscovered) | México | Rediscovered | Access |
| Chiropterotriton mosaueri | (Woodall, 1941) | Cave splayfoot salamander | (rediscovered) | México | Rediscovered | Access |
| Dendrotriton cuchumatanus | (Lynch & Wake, 1975) | Forest bromeliad salamander | - | Guatemala | Rediscovered | Access |
| Eurycea troglodytes ssp. nov. 'Valdina Farms' | - | Valdina Farms salamander, Valdina Farms sinkhole salamander | 1987 | Medina County, Texas, USA | Missing | Access |
| Isthmura naucampatepetl | (Parra-Olea, Papenfuss & Wake, 2001) | Cofre de Perote Salamander | 24 October 1981 | Veracruz, Mexico | Missing | Access |
| Nyctanolis pernix | Elias & Wake, 1983 | Nimble long-limbed salamander | - | Guatemala & Mexico | Rediscovered | Access |
| Oedipina paucidentata | Brame, 1968 | El Empalme worm salamander | 1952 | Costa Rica | Missing | Access |
| Oedipina petiola | Mccranie & Townsend, 2011 | - | 1995 | Honduras | Missing | Access |
| Parvimolge townsendi | (Dunn, 1922) | - | Veracruz (east-central), Mexico | Rediscovered | Access | |
| Plethodon ainsworthi | Lazell, 1998 | Ainsworth’s salamander | 12 June 1964 | Jasper County, Mississippi, USA | Extinct | Access |
| Plethodon neomexicanus | Stebbins & Riemer, 1950 | Jemez Mountains salamander | - | USA | Rediscovered | Access |
| Pseudoeurycea ahuitzotl | Adler, 1996 | Cerro Teotepec false brook salamander | (rediscovered) | México | Rediscovered | Access |
| Pseudoeurycea anitae | Bogert, 1967 | Anita false brook salamander | 1976 | Oaxaca, México | Missing | Access |
| Pseudoeurycea aquatica | Wake & Campbell, 2001 | Aquatic false brook salamander | 9 April 1978 | Oaxaca, México | Missing | Access |
| Pseudoeurycea brunnata | Bumzahem & Smith, 1955 | Brown false brook salamander | ? | México & Guatemala | Missing | Access |
| Pseudoeurycea conanti | Bogert, 1967 | Conant’s false brook salamander | ? | México | Missing | Access |
Pseudoeurycea exspectata | Stuart, 1954 | Jalpa false brook salamander | 1976 | Guatemala | Extinct | Access |
| Pseudoeurycea lynchi | Parra-Olea, Papenfuss & Wake, 2001 | - | (rediscovered) | Mexico | Rediscovered | Access |
| Pseudoeurycea nigra | (Wake & Johnson, 1989) | - | (rediscovered) | Chiapas, México | Rediscovered | Access |
| Pseudoeurycea nigromaculata | Taylor, 1941 | Black-spotted false brook salamander | 2007 | México | Missing | Access |
| Pseudoeurycea parva | Lynch & Wake, 1989 | Cerro Baul dwarf bromeliad salamander | (rediscovered) | México | Rediscovered | Access |
| Pseudoeurycea tlahcuiloh | Adler, 1996 | - | (rediscovered) | Guerrero, México | Rediscovered | Access |
| Pseudoeurycea unguidentis | (Taylor, 1941) | Claw-toothed salamander | 1976 | Oaxaca, México | Extinct | Access |
Thorius aureus | Hanken & Wake, 1994 | Yellow pygmy salamander | ? | México | Missing | Access |
| Thorius infernalis | Hanken, Wake & Freeman, 1999 | Atoyac pygmy salamander, Atoyac minute salamander | Early 1980's (1977?) | México | Missing | Access |
| Thorius magnipes | Hanken and Wake, 1998 | Big-footed pygmy salamander | - | Mexico | Rediscovered | Access |
| Thorius minutissimus | Taylor, 1949 | - | Oaxaca (south-eastern), México | Rediscovered | Access | |
| Thorius munificus | Hanken & Wake, 1998 | - | above Las Vigas, central Veracruz, Mexico | Rediscovered | Access | |
| Thorius minydemus | Hanken & Wake, 1998 | - | c.1999 | Veracruz, México | Missing | Access |
| Thorius narismagnus | Shannon and Werler, 1955 | San Martin pygmy salamander | - | Veracruz (southern), México | Rediscovered | Access |
| Thorius narisovalis | Taylor, 1939 | Cerro pygmy salamander, Cerro San Felipe pigmy salamander, Upper Cerro pigmy salamander | - | Mexico | Rediscovered | Access |
Family: Proteidae
—No subordinate taxa
Family: Rhyacotritonidae
—No subordinate taxa
Family: Salamandridae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Cynops wolterstorffi | (Boulenger, 1905) | Yunnan Lake newt | ? | China | Extinct | Access |
| Cynops pyrrhogaster ssp. "Atsumi" | - | Japanese fire-bellied newt | (rediscovered) | Atsumi Peninsula, Aichi Prefecture, Chubu region, Honshū, Japan | Rediscovered | Access |
| Neurergus derjugini derjugini | (Nesterov, 1916) | Kurdistan newt | (rediscovered) | Iran | Rediscovered | Access |
| Pachytriton granulosus | Chang, 1933 | - | Zhejiang, China | Rediscovered | Access |
Suborder: Sirenoidea
Family: Sirenidae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Pseudobranchus robustus | Goin & Auffenberg, 1955 | - | Late Pleistocene | Florida, USA | Extinct | Access |