Dictionary of Human Evolution and Biology

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Maximum Cranial Breadth

A cranial measurement, one of the few taken imprecisely and with no definite landmarks, that measures the maximum width of the brain case between the euryons. In modern humans, it is almost always taken high up and towards the rear of the skull near the region of parietal bossing, but in other hominids (such as australopithecines) it is measured much lower down on the cranium, and in some species even below the level of the ear. It is usually measured with a head spanner.

Cf. biparietal breadth.

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