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 dinosaur history.
'North America's Oldest Dinosaur' Discovered, Challenging Dino Origin Story
But this is where Ahvaytum may rewrite the origin story because it originates from the North American landmass, which once formed part of Laurasia. At roughly 230 million years old, it is comparable to the oldest known dinosaurs from Gondwana.
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.
Oldest Equatorial Dinosaur In The World Discovered, Dating Back 230 Million Years
The oldest equatorial dinosaur in the world, and North America's oldest dinosaur, has been described in a new study. Dating back 230 million years, the chicken-sized dinosaur has big implications for our understanding of how dinosaurs spread across the world,
Newly discovered Dinosaur fossil challenges what we know about prehistoric life
A newly discovered dinosaur, uncovered by UW-Madison paleontologists, is reshaping the understanding of prehistoric reptiles.
North America's oldest dinosaur is completely rewriting history
Researchers discovered Ahvaytum bahndooiveche fossils in Wyoming, revealing dinosaurs in Laurasia earlier than believed.
Discovery of rare new fossil sheds light on New Zealand's extinct dolphin-like reptiles
Ichthyosaurs were reptiles that swam in the seas during the time of the dinosaurs. They evolved separately around 250 million ...
Los Angeles Times7d
‘Dinosaur highway’ tracks dating back 166 million years are discovered in England
LONDON — A worker digging up clay in a southern England limestone quarry noticed unusual bumps that led to the discovery ... dinosaur on Earth, and yet these recent discoveries prove there is ...
CBS News7d
Biggest dinosaur footprint site in the U.K. discovered by researchers: "So surreal"
British researchers have unearthed some 200 dinosaur footprints dating ... during a week-long dig in June. The new footprints follow a smaller discovery in the area in 1997, when 40 sets were ...
The Jerusalem Post Blogs9d
The newly discovered Archæocursor asiaticus is Asia's earliest-known ornithischian
A team of Chinese paleontologists discovered a new dinosaur species, Archaeocursor asiaticus, in southwestern China, offering fresh insights into the early evolution of ornithischian dinosaurs ...
WTOC-TV7d
‘Dinosaur highway’ tracks dating back 166 million years are discovered
LONDON (AP) — A worker digging up clay in a southern England limestone quarry noticed unusual bumps that led to the discovery of ... longer than any other dinosaur on Earth, and yet these recent ...
NBC New York7d
‘Dinosaur highway' tracks dating back 166 million years discovered in England
A worker digging up clay in a southern England limestone quarry noticed unusual bumps that led to the discovery ... dinosaur on Earth, and yet these recent discoveries prove there is still new ...
Dinosaur history rewritten by fossil discovery of chicken-sized dinosaur, experts say
Dinosaurs inhabited the Northern Hemisphere millions of years earlier than scientists previously thought, according to the ...