See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Researchers recently learned that a fossil unearthed in 1989 was ...
The fossilized remains of the aetosaur, along with its carapace—a hard, protective outer shell—were first discovered in the Cooper Canyon Formation in Garza County back in 1989 by paleontologist Bill ...
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