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Dinosaur Heart May Prove Dinosaurs Were Warm Blooded
A 66 million year old dinosaur fossil named Willo shows four heart chambers and a single aorta like mammals, suggesting warm bloodedness and the capacity for swift, sustained motion. Paleontologists Russell and Horner call the find a potential landmark that could shift core views on dinosaur physiology and trigger more X ray studies of skeletal remains.
MENTIONED IN THIS ARTICLE
Washington
Willo
Dale A. Russell
North Carolina Museum of Natural Sciences
North Carolina State University
Russell
Science
Jack Horner
Montana State University
Bozeman
South Dakota
Andrew A. Kuzmitz
Ashland
Ore
Paul Fisher
Fisher
Horner
North Carolina