Fun fact, the reason some dinosaurs are depicted with lips is because the asymetrical wear on their teeth doesn't match with modern equivalent's that have exposed teeth, meaning they had "labial scale" lips.
Image owned by Mark P. Witton
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Fun fact, the reason some dinosaurs are depicted with lips is because the asymetrical wear on their teeth doesn't match with modern equivalent's that have exposed teeth, meaning they had "labial scale" lips.
Image owned by Mark P. Witton