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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.
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.
This is a checklist of amphibians found in Northern America, based mainly on publications by the Society for the Study of Amphibians and Reptiles. [1] [2] [3] The information about range and status of almost all of these species can be found also for example in the IUCN Red List of Threatened Species site. [4]
The largest living amphibian is the 1.8 m (5 ft 11 in) Chinese giant salamander (Andrias davidianus) [40] but this is a great deal smaller than the largest amphibian that ever existed—the extinct 9 m (30 ft) Prionosuchus, a crocodile-like temnospondyl dating to 270 million years ago from the middle Permian of Brazil. [41]
Amphibian common names (12 P) Amphibian diseases (1 P) Amphibian hormones (1 P) Amphibian redirects (5 C) Amphibians by year of formal description (4 C) C.
Scientific name Common name Description Image Notes Ambystoma laterale: Blue-spotted salamander: Adults are 3.5 to 5.5 inches (8.9 to 14.0 cm) long and are colored black with turquoise or pale blue spots. Ambystoma maculatum: Spotted salamander: Adults are 4.3 to 9.8 inches (11 to 25 cm) long and are colored black or dark gray with round yellow ...
Some viral videos involved more than one animal, like one the USA TODAY Network obtained in June showing a fearless bear fighting off two alligators in a Florida river.
Amphibians are ectothermic, anamniotic, four-limbed vertebrate animals that constitute the class Amphibia. In its broadest sense, it is a paraphyletic group encompassing all tetrapods excluding the amniotes (tetrapods with an amniotic membrane , such as modern reptiles , birds and mammals ).