Approximate measurements of the Allosaurus:

about 75 million years ago

It belonged to the Tyrannosauridae family

It is a member of the Sphenacodontidae family and is the best known of the Pelycosaurs

specialized in hunting during twilight

Postosuchus kirkpatricki Scale:1:35 Approximate measurements of the Allosaurus:Postosuchus kirkpatricki was an extinct reptile that lived during the Triassic period, approximately 237 to 201 million years ago. It was an archosaur, a group that includes the ancestors of crocodiles and birds, but not directly related to dinosaurs. Postosuchus kirkpatricki was a carnivorous predator that occupied a prominent place in the food chain of its ecosystem. It was a large and robust animal, with strong limbs and sharp claws. Its total