dinosaur, North America

Oldest-known dinosaur in North America is a 'chicken-size' raptor — and changes what we know about how dinos conquered Earth
A newfound "chicken-size" dinosaur, recently unearthed in Wyoming, changes what paleontologists thought they knew about how dinosaurs spread across the globe.
Newly discovered dinosaur could be the oldest ever found in North America, researchers say
Paleontologists say the fossils could prove dinosaurs lived in the northern hemisphere millions of years earlier than previously thought.
The Oldest Laurasian Dinosaur: New Discovery Rewrites Dinosaur Origin Story
The discovery of Ahvaytum bahndooiveche, a 230-million-year-old dinosaur in Wyoming, reveals dinosaurs existed in the northern hemisphere earlier than believed, challenging past theories. When and how did dinosaurs first appear and spread across the planet over 200 million years ago?
Dinosaur discovery in North America is completely rewriting their history
Researchers discovered Ahvaytum bahndooiveche fossils in Wyoming, revealing dinosaurs in Laurasia earlier than believed.
Oldest North American dinosaur fossil discovered, dates back 230 million years
This discovery challenges the long-held belief that dinosaurs originated exclusively in the southern supercontinent, Gondwana.
Fossil Discovery Rewrites Global Dinosaur History
With a recent radioisotopic analysis of the fossil specimens dating the remains to around 230 million years old, this tiny 'terrible lizard' named Ahvaytum bahndooiveche is now the oldest-known dinosaur from Laurasia, the Northern Hemisphere land mass of the late Paleozoic supercontinent Pangea.
230 million-year-old dinosaur is oldest ever discovered in North America — and changes what we know about how they conquered Earth
A newfound "chicken-size" dinosaur, recently unearthed in Wyoming, changes what paleontologists thought they knew about how dinosaurs spread across the globe.
Oldest dinosaur in America? 230-million-year-old previously unknown species upends existing knowled
For years, scientists believed that dinosaurs first emerged in Gondwana—the southern portion of the ancient supercontinent ...
Live Science on MSN1d
Enormous skull of 200-million-year-old giant dinosaur discovered in China
The well-preserved skull belongs to a never-before-seen species of sauropodomorph that potentially grew up to 33 feet long.
SHINE1d
Oldest ornithischian dinosaur from Asia identified in southwest China
Researchers have unearthed a fossil of an ornithischian dinosaur in Chongqing Municipality, southwest China, and identified ...
230 Million-Year-Old Fossil From Wyoming Challenges Dinosaur Origin Theories
A chicken-sized dino, the oldest known in North America, has thrown a wrench in the widely accepted timeline of early ...
Newsweek6d
'North America's Oldest Dinosaur' Discovered, Challenging Dino Origin Story
Paleontologists have announced the discovery of "North America's oldest dinosaur." The find challenges the consensus view on the origins of these extinct reptiles. In a study published in the ...
Discover Magazine4d
Newly Identified Dinosaur was the Size of a Chicken and May be Oldest in North America
"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 Wisconsin ...