Newly identified Alberta dinosaur had arm muscles fit to lift

Scientists have discovered signs of unusual muscles on the arms of a new species of dinosaur that once fished in the swamps and bayous of what is now southern Alberta.

Argentine Dinosaur Was an Estimated 130,000 Pounds, and Still

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Dinosaurs Unearthed Bios

Cloacae, sex arms and penis bones: the tricky art of fossil sexing

Bird wings from Age of Dinosaurs found trapped in amber

Complete forelimb myology of the basal theropod dinosaur Tawa

Tyrannosaur turned into fossil, so did its last meal: Pics here

This Dinosaur's 50-Foot Neck Was Not a Stretch - The New York Times

Tyrannosaur turned into fossil, so did its last meal: Pics here