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?
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.
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.
Dinosaur discovery in North America is completely rewriting their history
Researchers discovered Ahvaytum bahndooiveche fossils in Wyoming, revealing dinosaurs in Laurasia earlier than believed.
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.
Oldest North American dinosaur fossil discovered, dates back 230 million years
This small, chicken-sized dinosaur lived around 230 million years ago. Interestingly, this pushes back the timeline for dinosaur presence in the northern hemisphere by millions of
Enormous Dinosaur Skull Uncovers a Previously Unknown Species
Paleontologists found the fossilized skull in Yunnan Province’s Lufeng Dinosaur National Geopark in China. The group ...
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 ...
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New dinosaur, Archaeocursor asiaticus, hints at early Gondwana to Laurasia migration
A newly identified dinosaur from southwestern China is revealing what appears to be the earliest-diverging ornithischian ...
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 ...