Late Jurassic | regnum = Animalia | phylum = Chordata | classis = Sauropsida | superordo = Dinosauria | ordo = Saurischia | subordo = Theropoda | infraordo = Carnosauria | superfamilia = Allosauroidea | familia = Allosauridae | familia_authority = Marsh, 1878 | subdivision_ranks = Genera | subdivision = Antrodemus Allosaurus (type) Epanterias Saurophaganax }} Allosauridae was a family of medium to large sized carnivorous theropod dinosaurs. Members included Saurophaganax, Allosaurus, and the po… (More on Allosauridae)