article: Theriodont
links: Cynodontia Synapsida Upper Triassic Herbivore Permian Cretaceous–Tertiary extinction event Cretaceous Carnivore Lower Cretaceous Therocephalia Jurassic Cynognathus Permian–Triassic extinction event Bird Mammalia Gorgonopsia Aves Mammaliaformes Lower Triassic Triassic