And that, says Strait, suggests that simplistic ideas about australopithecine diets, based on tooth and jaw size, and why they went extinct, need to be reevaluated.

• 斯特雷特还说，根据牙齿和颚的大小提出的关于南方古猿日常饮食以及它们为什么灭绝的过分简单的想法需要重新评估。