Topic: Tawa hallae

Dinosaur fantasy: Putting the pieces together

Jan. 8, 2010
Dinosaur fantasy: Putting the pieces together

Listening to Sterling Nesbitt talk about Tawa hallae, the 215 million-year-old dinosaur that he and his colleagues wrote about in the Dec. 17, 2009 edition of Science, I was struck when he used the word "fantasy."

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New Meat-Eating Dinosaur Alters Evolutionary Tree

Dec. 10, 2009

Paleontologists, aided by amateur volunteers, have unearthed a previously unknown meat-eating dinosaur from a fossil bone bed in northern New Mexico, settling a debate about early dinosaur evolution, revealing a period of explosive diversification and hinting at how dinosaurs spread across the supercontinent Pangaea.

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