Latest Hesperonychus Stories
The same meteorite impact that caused dinosaurs to go extinct 65 million years ago also essentially wiped out ancient birds.
Canadian paleontologists have discovered the remains of the smallest meat-eating dinosaur known to roam North America.
Canadian scientists announced the discovery of the fossil of a species of tiny dinosaur that's the smallest dinosaur yet found in North America.
An unusual breed of dinosaur that was the size of a chicken, ran on two legs and scoured the ancient forest floor for termites is the smallest dinosaur species found in North America
Hesperonychus, meaning "west claw," is a genus of small dromaeosaurid dinosaur from the Campanian stage of the Late Cretaceous Period (75 million years ago). There is one described species, H. elizabethae, which was named in honor of Dr. Elizabeth Nicholls who discovered it in 1982. It was found in Dinosaur Park Formation in Alberta. Hesperonychus is known from a partial pelvic girdle. The remains were described by Nick Longrich and Phil Currie in 2009. A collection of finger, toe bones,...
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