Researchers believe it was one of the first plesiosaurs to hunt prey from above.
Two skull fragments provide unique insights into how and where this ancient human lived.
Expected to provide important clues on pterosaur evolution, the fossil is the first known member of a new genus.
"Archaeopteryx is not the first dinosaur with feathers, nor is it the first dinosaur with wings. However, we think it is the earliest known dinosaur that could use its feathers for flying."
'A single track-bearing slab calls into question everything we thought we knew about when modern tetrapods evolved.'
It is the first butterfly fossil from the Early Pleistocene epoch, dating to 2.6 to 1.8 million years ago.
Tyrannosaurus rex evolved in North America, specifically in Laramidia, the western half of the continent.
Fossils date to 5 to 7 million years ago, extending sebecids' existence by 5 million years.
The species, called Vulcanidris cratensis, is part of a lineage called hell ants - named for their demonic-looking jaws.
Student expedition leads to discovery of a large vertebra belonging to an Alamosaurus.
JPOST Digital Library
