Fiorillo et al, New Dinosaur Ichnological, Sedimentological, and Geochemical Data from a Cretaceous High-Latitude Terrestrial Greenhouse Ecosystem, Nanushuk Formation, North Slope, Alaska ...

A study on fossils found in Alaska supports the theory that a plant-eating dinosaur species in Hokkaido came from North America, scientists said. The Hokkaido species, given the scientific name of ...

“We have, with these fossils, the oldest equatorial dinosaur in the world — it’s also North America’s oldest dinosaur,” said Dave Lovelace, a research scientist at the University of ...

and may be the oldest dinosaur ever discovered in North America, according to researchers with the University of Wisconsin-Madison. According to the University, the mainstream belief is that dinosaurs ...