Prehistoric poop shows ‘vegetarian’ dinosaurs actually ate shellfish

Scientists have discovered ancient dung that shows some dinosaurs previously believed to have been strict vegetarians often ate shellfish, as well as fungus and insects living in rotten logs. A new report says that the fossilized feces, called coprolites, contained crab and mollusk shells and rotted wood that date back to between 74 and 76 million years ago.

Lead researcher Karen Chin, a paleontologist at the University of Colorado, told NPR that the stool samples were discovered in the Grand Staircase-Escalante National Monument in Utah.

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