What is another word for tetrapods?
Pronunciation: [tˈɛtɹɐpˌɒdz] (IPA) 
Tetrapods are vertebrate animals that possess four limbs or leg-like appendages. Synonyms for this word include quadrupeds, four-footed animals, and quadrupedal vertebrates. Other related terms include amphibians, reptiles, birds, and mammals. Amphibians and reptiles have tetrapod-like limbs but may not always use them for walking, whereas birds and mammals are known for their active use of their limbs for locomotion. In ancient times, tetrapods evolved from fish-like ancestors, and many extinct groups have been identified from the fossil record. The study of tetrapod evolution and diversity remains a major area of research in biology and paleontology.
