Avatar - Jeff Townsend
Jeff Townsendadded this to Sluice Your Gob
How the ankylosaurus dino got its mighty, Thor-like hammer-tail

How the ankylosaurus dino got its mighty, Thor-like hammer-tail

CNET - Danny Gallagher

The ankylosaur boasted a clubbed tail strong enough to break bones. Here's how a dinosaur developed into one bad herbivore you don't want to mess with.

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