Tetrapod

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Tetrapods
Extant tetrapoda.jpg
Representatives o the fower classes of extant tetrapods, (clockwise frae upper left): a frog (an amphibian), a hoatzin (a bird), a skink (a reptile), an a moose (a mammal)
Scienteefic clessification e
Kinrick: Animalia
Phylum: Chordata
Clade: Teleostomi
Supercless: Tetrapoda
authority unkent, afore 1912
Subgroups

The superclass Tetrapoda (Auncient Greek τετραπόδηs tetrapodēs, "fower-fittit"), or the tetrapods, comprises the first fower-limbed vertebrates an thair descendants, includin the livin an extinct amphibians, reptiles, birds, an mammals.