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“pachycephalosaurids”
Pachycephalosaurids
These “boneheads” were strange bipeds with thick skulls. These might have served as crash-helmets to protect the brain when rival males banged heads.
This entry is located in the following units:
pachy-, pacho-, pach-
(page 2)
sauro-, saur-, -saurus, -saurid, -saur,
-sauria, -saurian + (page 25)
-sauria, -saurian + (page 25)