Anteosaurus magnificus Megapterygius The skeleton of Avaceratops lammersi

The skeleton of Avaceratops lammersi displays typical ceratopsian adaptations

Approximate measurements of Irritator: 1:35 scale Complete

approximately 73 to 65 million years ago

Plateosaurus trossingensis is a species of sauropod dinosaur that lived during the Triassic period

a genus of birds from the Eocene

Anteosaurus magnificus Megapterygius The skeleton of Avaceratops lammersiAnteosaurus magnificus was a large therapsid synapsid that lived during the Middle Permian , approximately 265 million years ago, in what is now South Africa. Belonging to the Anteosauridae family, within the Dinocephalian clade, this formidable predator is one of the largest and most robust carnivorous therapsids known before the appearance of the first dinosaurs. Its estimated size reached up to 5 or 6 meters in length , with a weight of