Amniotes are tetrapod vertebrate animals belonging to the clade Amniota, a large group that comprises the vast majority of living terrestrial and semiaquatic...

outside of the clade Amniota, though some recent research has recovered them as the sister group to the traditional Synapsida within Amniota, based on inner...

Reptiliomorpha (meaning reptile-shaped; in PhyloCode known as Pan-Amniota) is a clade containing the amniotes and those tetrapods that share a more recent...

amphibian and primitive reptilian features, and its placement relative to Amniota has significant implications regarding the origins of the first amniotes...

Gauthier, .A., Kluge, A.G & Rowe, T. (1988). The early evolution of the Amniota. Pages 103–155 in Michael J. Benton (ed.): The Phylogeny and Classification...

Actinistia (coelacanths) Dipnoi (lungfish) Tetrapoda Amphibia (amphibians) Amniota Mammalia (mammals) Aves (birds) Reptilia (reptiles, paraphyletic with respect...

together with Sauropsida (reptiles and birds), constitutes the larger Amniota clade. Early synapsids are referred to as "pelycosaurs". The more advanced...

Synapsida is one of the two major clades of vertebrate animals in the group Amniota, the other being the Sauropsida (which includes reptiles and birds). The...

various †extinct clades Lissamphibia Reptiliomorpha / Pan-Amniota various †extinct clades Amniota Synapsida (includes mammals) Sauropsida (includes reptiles)...

considered to be either related or ancestral to modern amphibians or to Amniota (the clade containing reptiles and mammals). It has been suggested that...