Scientists in Argentina have discovered a new dinosaur species named Joaquinraptor casali. The 23-foot predator from Patagonia lived about 66–70 million years ago. The fossil was found with a crocodile bone in its mouth, giving new clues about its diet.

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• New dinosaur species found in Argentina
• Named Joaquinraptor casali, after scientist’s son
• Belongs to megaraptoran group of dinosaurs
• Fossil found in Lago Colhué Huapi formation, Patagonia
• Skeleton includes skull, arms, legs, tail bones
• Lived 66–70 million years ago, near dinosaur extinction
• Estimated 23 feet long, died at age 19+
• Front leg bone of ancient crocodile pressed in jaws
• Shows signs of being strong predator with powerful claws
• One of most complete megaraptoran skeletons discovered