quizlet what term refers to terrestrial vertebrates that have four limbs
The largest group of terrestrial vertebrates is Tetrapoda (see the section Classification of Terrestrial Vertebrates, below). Tetrapoda means four feet, and the group was so-named as its members primitively had four limbs, as opposed to fins.
The superclass Tetrapoda (Ancient Greek ÏÎµÏÏÎ±ÏÏÎ´Î·s tetrapodÄs, four-footed), or the tetrapods /ËtÉtrÉpÉd/ , comprises the first four-limbed vertebrates and their descendants, including the living and extinct amphibians, reptiles, mammals, birds, and some extinct fish.