更新纪灵长动物,南方古猿
Some researchers see the australopithecine mouth as sculpted for munching small, hard objects such as seeds. 一些研究人员把南方古猿的嘴看作是用力咀嚼如种子一样小而硬的食物的造型。
Perhaps 20 or more hominids (not all of them our ancestors) fill the gap between Lucy the australopithecine and modern humans. 在阿法南猿（露西）与现代人之间，人科动物的化石也许超过20种（他们不全是我们的祖先）。
Yet it was only as tall as a modern three-year-old, and its brain was as small as the smallest australopithecine brain known. 从她的牙齿与磨耗痕判断，她已成年。然而，她的身高只相当于现代人的三岁娃儿，脑子与最小的南猿人一般大。
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。
