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Hominin Comparison Lab. Forehead: small, medium or Large. Chin, yes (points away from face) or no (slopes backwards). Sagittal Crest (across top of head) small, medium or large?. Sagittal Crest. Prognathism (muzzle???). Does the jaw project out from the face? A lot, a little, not at all?.
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Sagittal Crest (across top of head) small, medium or large? Sagittal Crest
Prognathism (muzzle???) Does the jaw project out from the face? A lot, a little, not at all?
Facial Slope Line up teeth with bottom of protractor to measure slope of face, use the edge of your journal
Brow Ridge (above the eyes), small medium or large Brow Ridge
Dental Arcade: U or V shaped or Intermediate U shaped, molars parallel, note space (diastema) between incisors and canine teeth V shaped, molars fan out from front of jaw, no space (diastema), small canine te
Foreman Magnum (where spinal cord enters the skull) does it enter underneath or towards the back?
Counting teeth & determining age • Some of the skulls are damaged and the teeth have fallen out, look carefully. • To determine the age of the skulls, look on the containers. • If no dates are listed the organisms are extant (still around, not extinct).
Skulls you are looking at: • Pan troglodytes • Chimpanzee