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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.
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 ).
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.
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 ).
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List of amphibian genera lists the vertebrate class of amphibians by genus, spanning two superorders. Superorder Batrachia. Order Anura. Frogs ...
A Checklist of North American Amphibians and Reptiles: The United States and Canada. Vol. 1 - Amphibians. Xlibris Corporation LLC. ISBN 978-1-4931-7035-7. [self-published source] Cope, Edward D. (1875). Check-list of North American Batrachia and Reptilia; with a systematic list of the higher groups, and an essay on geographical distribution.
Diagram of the anatomy of the gammaridean amphipod Leucothoe incisa. The body of an amphipod is divided into 13 segments, which can be grouped into a head, a thorax and an abdomen. [4] The head is fused to the thorax, and bears two pairs of antennae and one pair of sessile compound eyes. [6] It also carries the mouthparts, but these are mostly ...