Are Amniotes Paraphyletic?
Are Amniotes Paraphyletic? Are Amniotes Paraphyletic? Reptilia (green field) is a paraphyletic group comprising all amniotes (Amniota) except for two subgroups: Mammalia (mammals) and Aves (birds); therefore, Reptilia is not a clade. In contrast, Amniota itself is a clade, which is a monophyletic group. What do all amniotes have in common? All amniotes have three