Dictionary of Human Evolution and Biology

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T Complex

Series of traits associated with dentition and mastication which are an adaptation for consuming seeds and other small gritty objects. These traits include reduction in the length of canine teeth, mandibular buttressing (due to strenuous chewing forces), and thick enameled molars; this adaptation is used to explain dental homoplasies in Gigantopithecus, early hominids, and the panda. The T complex is named after the gelada baboon (Theropithecus), which has a graminivorous and granivorous diet.

See seed-eating hypothesis.

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