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crest
CATEGORY: artifact
DEFINITION: A distinctive device representing a family or corporate body, borne above the shield of a coat of arms (originally as worn on a helmet) or separately reproduced, for example on writing paper
crested blade
CATEGORY: artifact
DEFINITION: A flint blade with negative impressions of removals on one side of the dorsal surface, creating a crest. These constitute part of a previously worked striking platform or result from preparing the flaked surface on a core before detaching flakes or blades.
sagittal crest
CATEGORY: term
DEFINITION: The crest along the top of the skull where the chewing muscles are attached, found only in very large-jawed species. In primates that have large jaws and well-developed chewing muscles (e.g., gorillas, orangutans, and baboons), the parietal bones may be continued upward at the midline to form a sagittal crest. Among early hominids, Paranthropus (also called Australopithecus robustus) sometimes exhibited a sagittal crest.

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