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The archaeobatrachians are the most primitive of frogs. These frogs have morphological characteristics which are found mostly in extinct frogs, and are absent in most of the modern frog species. Most of these characteristics are not common between all the families of Archaeobatrachia, or are not absent from all the modern species of frogs.
List of amphibian genera lists the vertebrate class of amphibians by genus, ... Family Ranidae – True frog, including Ceratobatrachidae, Dicroglossidae ...
The temnospondyl Eryops had sturdy limbs to support its body on land Red-eyed tree frog (Agalychnis callidryas) with limbs and feet specialised for climbing Japanese giant salamander (Andrias japonicus), a primitive salamander The bright colours of the common reed frog (Hyperolius viridiflavus) are typical of a toxic species Wallace's flying frog (Rhacophorus nigropalmatus) can parachute to ...
Due to the nature of their original environment, Hyloidea frogs are more associated with higher temperatures no matter where they are found in the world. [ 11 ] [ 12 ] Today, they can be found in every continent except Antarctica, although in 2020 a roughly 40 million year old fossil from the hyloid family Calyptocephalellidae was discovered on ...
Warty frog species tend to be called toads, but the distinction between frogs and toads is informal, not from taxonomy or evolutionary history. An adult frog has a stout body, protruding eyes , anteriorly-attached tongue , limbs folded underneath, and no tail (the tail of tailed frogs is an extension of the male cloaca).
As of September 2016, the International Union for Conservation of Nature (IUCN) lists 402 near threatened amphibian species. [ 1 ] 6.2% of all evaluated amphibian species are listed as near threatened.
Frogs produce a wide range of vocalisations, particularly in their breeding season, and exhibit many different kinds of complex behaviors to attract mates, to fend off predators and to generally survive. Frogs are valued as food by humans and also have many cultural roles in literature, symbolism and religion.
Pages in category "Frogs of North America" The following 136 pages are in this category, out of 136 total. This list may not reflect recent changes. ...