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Overview page. Subjects: Biological Sciences.

A class of anamniote vertebrate animals in the superclass Tetrapoda. They are characterized by having gills during the larval stage; these are typically replaced by lungs in the adults. The...

See overview in Oxford Index


Overview page. Subjects: Zoology and Animal Sciences.

; class Amphibia)

An extant order of amphibians, now confined to the tropics and subtropics, that have become adapted to a burrowing life and look like large earthworms. They are...

See overview in Oxford Index