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Around 165 million years ago on a coastal floodplain in what is now Morocco lived one of the most extreme dinosaurs on record, lavishly adorned with armor and spikes – some about three feet (one meter) long – unlike that of any other known creature.
Researchers on Wednesday described extensive fossilized remains discovered in the Atlas Mountains near the Moroccan town of Boulemane of a Jurassic Period dinosaur named Spicomellus.
Roughly 13 feet (four meters) long and weighing perhaps one to two tons,…