Here is a list of articles in the Tetrapods category of the Biology portal. Primitive four-legged animals, the ancestors of Amphibians, Reptiles, Synapsids, birds, as part of Reptiles (Sauropsids), and mammals, synapsids.
This category has the following 6 subcategories, out of 6 total.
The following 8 pages are in this category, out of 8 total.