Exploring Prehistoric Life
The Silurian (443.7 to 416.0 million years ago)* was a time when the Earth underwent considerable changes that had important repercussions for the environment and life within it.
The Ordovician Period lasted almost 45 million years, beginning 488.3 million years ago and ending 443.7 million years ago.
Pliosaurus is a genus of thalassophonean pliosaurid known from the Kimmeridgian and Tithonian stages (Late...
Kronosaurus is a genus of short-necked pliosaur.
Paleontologists have discovered fossils of a 2-m-long lobster-like animal that lived in the seas of what is now Morocco during the early Ordovician period...
Major extinction events are nothing new for the planet, but species are now dying out at an...
...it was difficult to visualize what the complete skull would have looked like in life.
Fossils of fragile female scale insects are extremely rare.
Postosuchus is a genus of rauisuchid reptiles comprising two species, P. kirkpatricki and P. alisonae, that lived in what is now North America during the Late...