ellioti "Frozen-crested lizard") is a genus of extinct theropod dinosaur that lived about 190 million years ago during the Lower or Early Jurassic Pliensbachian

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

Estos fósiles proporcionan información invaluable sobre la diversidad y la evolución de los pterosaurios durante el Jurásico tardío

but a separate lineage of reptiles that shared unique characteristics

the Tylosaurus emerged from the water in an astonishing leap

Archaeopteryx pterosauria ellioti "Frozen-crested lizard") is aArcheopteryx (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,