Tetrapoda

views updated Jun 11 2018

Tetrapoda An informal grouping that includes the vertebrate animals which have four limbs; i.e. the Amphibia, Reptilia, Aves, and Mammalia.

A Dictionary of Zoology MICHAEL ALLABY

Tetrapoda

views updated May 08 2018

Tetrapoda Vertebrate animals which have four limbs, including the Amphibia, Reptilia, Aves, and Mammalia.

A Dictionary of Earth Sciences AILSA ALLABY and MICHAEL ALLABY

Tetrapoda

views updated May 29 2018

Tetrapoda In some classifications, a superclass of jawed chordates (Gnathostomata) comprising all vertebrate animals with four limbs, i.e. the amphibians, reptiles, birds, and mammals. The skeleton of the limbs of all tetrapods is based on the same five-digit pattern (see pentadactyl limb).

A Dictionary of Biology