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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.
Hylarana raniceps. There are at least 180 species of amphibians. [2]One notable species is the Bornean flat-headed frog, Barbourula kalimantanensis.This frog, found in cold, fast-flowing mountain streams, was previously though to be the lungless, but subsequent examination revealed this was not the case.
Amphibians of Australia are limited to members of the order Anura, commonly known as frogs. All Australian frogs are in the suborder Neobatrachia, also known as the modern frogs, which make up the largest proportion of extant frog species. About 230 of the 5,280 species of frog are native to Australia with 93% of them endemic.
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Like most amphibians, water is vital for their reproduction. Because the goliath frog lacks a vocal sac, it does not produce mating calls, a behavior generally present in frogs and toads. [6] The egg masses consist of several hundred to a few thousand eggs, approximately 3.5 mm (0.14 in) each, and often attached to aquatic vegetation. [14]
The largest living amphibian is the 1.8 m (5 ft 11 in) Chinese giant salamander (Andrias davidianus) [41] 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. [42]
The Australian green tree frog (Ranoidea caerulea/Litoria caerulea), also known as simply green tree frog in Australia, White's tree frog, or dumpy tree frog, is a species of tree frog native to Australia and New Guinea, with introduced populations in the United States and New Zealand, though the latter is believed to have died out.
They have short vertebral columns, with no more than 10 free vertebrae and fused tailbones (urostyle or coccyx). [47] Frogs range in size from Paedophryne amauensis of Papua New Guinea that is 7.7 mm (0.30 in) in snout–vent length [ 48 ] to the up to about 35 cm (14 in) and 3.3 kg (7.3 lb) goliath frog ( Conraua goliath ) of central Africa ...