Fossils of a small, prickly dinosaur recently discovered in South America may represent an entire lineage of armored dinosaurs previously unknown to science.
Most thyreophorans are known from the Northern Hemisphere, and the fossils from the earliest members of this group are found mostly in Jurassic-period rocks from North America and Europe from about 201 million years ago to 163 million years ago."shows that early thyreophorans had a much broader geographic distribution than previously thought," Félix de Azara Natural History Foundation paleontologists Facundo J.
In the Northern Hemisphere, these older types of thyreophorans seem to have gone extinct by the Middle Jurassic. On the southern supercontinent Gondwana, however, they apparently survived well into the Cretaceous. The name"Jakapil" comes from a word meaning"shield bearer" in the Puelchean or northern Tehuelchean Indigenous language of Argentina."Kanikura" comes from the words meaning"crest" and"stone" in the Indigenous Mapudungun language.
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