Asaphiscus wheeleri, trilobite (Replica) Styracosaurus These unusual front legs together

These unusual front legs together with its very long neck gave Brachiosaurus a giraffe-like stance and great height

Archaeopteryx was found

Ancient bison is the most commonly recovered herbivore from the La Brea tar pits

It was about 10 feet tall at the hip and had 3 clawed fingers on its hands

or even a separate kingdom of life unrelated to anything living today

Asaphiscus wheeleri, trilobite (Replica) Styracosaurus These unusual front legs togetherFrom the Middle Cambrian of Utah. Trilobites are very well known, and possibly the second most famous fossil group after the dinosaurs with some 15,000 known species. Trilobites are extinct arthropods that form the class Trilobita. They appeared at the start of the Cambrian period and flourished throughout the lower Paleozoic era before beginning a drawn out decline to extinction when the last of the trilobites disappeared in the mass extinction at