The skull featured narrow jaws with greatly reduced or even absent teeth in the front portion

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

prominent nasal horn

Until its discovery

The genus Tiktaalik was first described following discoveries in 2004 in rocks of the Canadian Arctic

Sarcosuchus imperator Variant:Hand-painted The skull featured narrow jawsSarcosuchus 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