powerful head

acted as a balancing element rather than a defensive structure

a rarity among Eocene mammals

Alamosaurus sanjuanensis is a species of sauropod dinosaur that lived in what is now North America during the late Cretaceous period

Until its discovery

Sarcosuchus imperator Variant:Hand-painted powerful headSarcosuchus imperator was one of the largest known crocodyliformes of the Early Cretaceous, a semi aquatic predator of exceptional size that inhabited the river systems of North Africa, especially in deposits of the El Rhaz Formation in Niger, during the Aptian Albian stages, approximately 112 million years ago. Although often compared to modern crocodiles due to its general appearance, Sarcosuchus did not belong to the group of modern crocodiles, but