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a paleontological and archaeological site located near Beijing, China, consisting of a cave system; nicknamed
the name originally given to the type specimen OH-5 by Dr. Louis and Mary Leakey. See also Paranthropus boisei.

the study of animal remains in archaeological sites; reveals important information about the behaviors of the hominins who produced the sites.

zygomatic arch

the "cheekbone"; an arch of bone on the side of the face just below and behind the eye; the superior attachment surface for most of the muscles that form the cheeks. The zygomatic arch is constructed anteriorly from part of the maxilla, and posteriorly from a projection of the zygomatic bone.

zygomatic flare

describes the degree of lateral extension of the zygomatic arches.