Megadont ('megadont' meaning 'having large teeth') species have huge, broad cheek teeth with thick enamel while their incisor teeth stay small. The emphasis for megadont species is on the rear teeth, which are designed to support the stresses of heavy chewing. Combined with the morphology of the other parts of the skull -- large zygomatic arches to allow the passage of large chewing muscles and a large sagittal crest to provide a large area to anchor these muscles to the skull -- megadont early humans showed adaptations to chewing tough, fibrous foods.

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