part of part of Homo sapiens temporal bone supramastoid crest of squamous part of temporal bone 2026-03-19T00:00:00Z A crest forming a horizontal ridge on the outer surface of the squamous part of the temporal bone, running posteriorly from the root of the zygomatic process superior to the external auditory meatus. It represents the inferior margin of the temporal surface and serves as a landmark for the suprameatal triangle. skeletal element projection crest David Osumi-Sutherland