The plates of the Stegosaurus -- the large, bony discs that lined the dinosaur's neck, back and tail in two staggered rows -- may have differed between males and females, a new study finds.
The plates of the Stegosaurus -- the large, bony discs that lined the dinosaur's neck, back and tail in two staggered rows -- may have differed between males and females, a new study finds.
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