Triceratops Teens Confused Paleontologists

As paleontologists found more fossils, they realized that some dinosaurs changed so much as they grew that juveniles and adults could look like completely different animals. That led researchers to revisit old names and argue that a few supposed species were really just different life stages of the same dinosaur. The idea became especially famous in debates over animals like Torosaurus and Triceratops, where growth and bone changes may have confused the original classifications.

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