Thyreophoran dinosaur Jakapil kaniukura found in Argentina - USA TODAY

The small dinosaur was part of the Cretaceous period, the last era of the dinosaurs, and lived between 97 million and 94 million years ago.

Researchers in Argentina have discovered remains of a tiny, herbivorous dinosaur with protective spikes, suggesting the group it belongs to lived in a much wider area than originally thought. The di… [+2258 chars]

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