The
International Union for Conservation of Nature
The International Union for Conservation of Nature (IUCN; officially International Union for Conservation of Nature and Natural Resources) is an international organization working in the field of nature conservation and sustainable use of natu ...
(IUCN) lists 35
extinct
Extinction is the termination of a kind of organism or of a group of kinds (taxon), usually a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and ...
species, 146 possibly extinct species, two
extinct in the wild
A species that is extinct in the wild (EW) is one that has been categorized by the International Union for Conservation of Nature as known only by living members kept in captivity or as a naturalized population outside its historic range due ...
species, and one possibly extinct in the wild species of
amphibian
Amphibians are tetrapod, four-limbed and ectothermic vertebrates of the Class (biology), class Amphibia. All living amphibians belong to the group Lissamphibia. They inhabit a wide variety of habitats, with most species living within terres ...
s.
Salamanders
Salamanders are a group of amphibians typically characterized by their lizard-like appearance, with slender bodies, blunt snouts, short limbs projecting at right angles to the body, and the presence of a tail in both larvae and adults. All ten ...
Extinct species
Possibly extinct species
Frogs
A frog is any member of a diverse and largely carnivorous group of short-bodied, tailless amphibians composing the order Anura (ανοὐρά, literally ''without tail'' in Ancient Greek). The oldest fossil "proto-frog" ''Triadobatrachus'' is ...
Extinct species
Possibly extinct species
Extinct in the wild species
*
Wyoming toad
The Wyoming toad or Baxter's toad (''Anaxyrus baxteri'') is an extremely rare amphibian that exists only in captivity and within Mortenson Lake National Wildlife Refuge in Wyoming in the United States. The Wyoming toad was listed as an endange ...
''(Anaxyrus baxteri)''
*
Longnose stubfoot toad ''(Atelopus longirostris)''
*
Kihansi spray toad
The Kihansi spray toad (''Nectophrynoides asperginis'') is a small toad endemic to Tanzania.Channing and Howell. (2006). ''Amphibians of East Africa.'' Pp. 106-107. The species is live-bearing and insectivorous. The Kihansi spray toad is curre ...
''(Nectophrynoides asperginis)''
See also
*
List of least concern amphibians
*
List of near threatened amphibians
As of September 2016, the International Union for Conservation of Nature (IUCN) lists 402 near threatened amphibian species. 6.2% of all evaluated amphibian species are listed as near threatened.
No subpopulations of amphibians have been eval ...
*
List of vulnerable amphibians
As of September 2016, the International Union for Conservation of Nature (IUCN) lists 670 vulnerable amphibian species. 10% of all evaluated amphibian species are listed as vulnerable.
No subpopulations of amphibians have been evaluated by th ...
*
List of endangered amphibians
*
List of critically endangered amphibians
*
List of data deficient amphibians
References
*Amphibians
Recently extinct amphibians
Recently extinct amphibians
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