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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 ).
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 ).
Pig frogs (Lithobates grylio) are a species of frog that belong to the class Amphibia, the order Anura, the family Ranidae, and the genus Lithobates.They are part of the phylum Chordata, which includes animals with a notochord and a hollow nerve cord.
“The spotted salamander (Ambystoma maculatum) was designated the official state amphibian of South Carolina in 1999 after a year-long campaign by the third grade class at Woodlands Heights ...
Amphibians are ectothermic, tetrapod vertebrates of the class Amphibia. All living amphibians belong to the group Lissamphibia . They inhabit a wide variety of habitats , with most species living within terrestrial , fossorial , arboreal or freshwater aquatic ecosystems .
List of amphibian genera lists the vertebrate class of amphibians by genus, ... Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; ...
This category is located at Category:Category-Class amphibian and reptile pages. Note: This category should be empty. See the instructions for more information.
It was ranked as an order under class Amphibia by Watson in 1920 and as a superorder by Romer in 1947. [ 69 ] [ 70 ] An alternative name, Stegocephalia was created in 1868 by American paleontologist Edward Drinker Cope , from Greek stego cephalia —"roofed head", and refer to anapsid skull and the copious amounts of dermal armour some of the ...