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In Images: An Apatosaurus Discovery

Kevin's Teeth

Kevin's teeth apatosaur

(Image credit: Stephanie Pappas for LiveScience)

The teeth of the new apatosaur specimen. Volunteers at nearby Dinosaur Ridge, where this fossil was found, mistook these for crocodile teeth until 2003.

Apatosaurus Teeth

Apatosaur teeth

(Image credit: Stephanie Pappas for LiveScience)

The teeth of Kevin the Apatosaurus appear in cross-section. Apatosaurus teeth are long and narrow.

Stephanie Pappas

Stephanie Pappas is a contributing writer for Live Science, covering topics ranging from geoscience to archaeology to the human brain and behavior. She was previously a senior writer for Live Science but is now a freelancer based in Denver, Colorado, and regularly contributes to Scientific American and The Monitor, the monthly magazine of the American Psychological Association. Stephanie received a bachelor's degree in psychology from the University of South Carolina and a graduate certificate in science communication from the University of California, Santa Cruz.