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The list below largely follows Darrel Frost's Amphibian Species of the World (ASW), Version 5.5 (31 January 2011). Another classification, which largely follows Frost, but deviates from it in part is the one of AmphibiaWeb , which is run by the California Academy of Sciences and several of universities.
This is a list of amphibians found in the United States. A total of 306 amphibian species have been recorded in the United States , [ 1 ] 2 of which are now extinct. [ 2 ] This list is derived from the database listing of Amphibian Species of the World .
Amphibian Species of the World 6.2: An Online Reference (ASW) is a herpetology database. It lists the names of frogs, salamanders and other amphibians , which scientists first described each species and what year, and the animal's known range.
"SSAR North American Species Names Database". Society for the Study of Amphibians and Reptiles (SSAR). Frost, Darrel (2017). "Amphibian Species of the World 6.0, an Online Reference". American Museum of Natural History. AmphibiaWeb Database. University of California, Berkeley, CA, USA.
Amphibians are in decline worldwide, with 2 out of every 5 species threatened by extinction, according to a paper published Wednesday in the scientific journal Nature. More than 2,000 species of ...
The numbers of species cited above follows Frost and the total number of known (living) amphibian species as of March 31, 2019, is exactly 8,000, [12] of which nearly 90% are frogs. [ 13 ] With the phylogenetic classification, the taxon Labyrinthodontia has been discarded as it is a polyparaphyletic group without unique defining features apart ...
The world’s frogs, salamanders, newts and other amphibians remain in serious trouble. A new global assessment has found that 41% of amphibian species that scientists have studied are threatened ...
This page was last edited on 9 February 2024, at 21:08 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.