A distinctive feature of Coahuilaceratops is a large fan-shaped bony plate that projected upward from the back of the skull

Snout-tail length 322mm

the Tylosaurus emerged from the water in an astonishing leap

Altura 13 mm

suggesting that it was a highly specialized predator

Archaeopteryx pterosauria A distinctive feature of CoahuilaceratopsArcheopteryx (A. lithographica 'Oldwing') is an extinct species of primitive bird that lived during the Late Jurassic Kimmeridgian period, approximately 150 million years ago, in what is now Germany. It is considered a transitional fossil between dinosaurs and modern birds, and is known for both its reptilian and avian characteristics. Archeopteryx had feathers and wings, but also possessed reptilian features such as teeth, wing claws, and a long,