Tawa Hallae--New Theropod Dinosaur Alters Evolutionary Tree

Paleontologists have unearthed a previously unknown Theropop dinosaur from a fossil bone bed in northern New Mexico, settling a debate about early dinosaur evolution, and hinting at how dinosaurs spread across the supercontinent Pangaea.  The description of the new species, named Tawa after the Hopi word for the Puebloan sun god, appears in the Dec. 10 issue of the journal Science. read more

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