Tarchia kielanae Coahuilaceratops Tamaño: Rugops era un dinosaurio

Tamaño: Rugops era un dinosaurio de tamaño moderado

La característica más distintiva de Diplocaulus magnicornis era su peculiar cráneo

The American mastodon was similar in appearance to modern elephants

Archeopteryx had feathers and wings

Abelisauridae

Tarchia kielanae Coahuilaceratops Tamaño: Rugops era un dinosaurioTarchia kielanae is a species of the extinct genus Tarchia ("brain") of ankylosaurid thyreophore dinosaur, which lived in the late Cretaceous period, approximately 75 to 70 million years ago, from the Campanian to the Maastrichtian, in present day Asia. This dinosaur was discovered in the Barun Goyot Formation of Mongolia, and is known from a partial skeleton including skull, jaw, vertebrae, ribs, bony plates, and osteoderms. Tarchia kielanae is