ANT 230 Lecture Notes - Lecture 12: Paranthropus, Homo Habilis, Foramen Magnum
12 Aug 2016
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Hominoids includes living small bodied apes, great apes, humans and extinct forms. Plesiadapiforms what is thought of as the first primate that existed. Human spines are s shaped this is important because it keeps everything on top of our hips. Pre-australopiths the earliest and most primitive himinids. Australopiths diverse forms, some more primitive, others derives. Early brain size was considerably smaller than what it is today. Early african homonins are colloquially called australopiths. Really large teeth lots of enamel on their teeth. First proof of bipedal organisms from this time perior. 4-3 million years ago and we believe we are their direct decedents. Lucy is a little over three feet tall and have a very small brain. Teeth aren"t what you expect for humans. Shape of lower premolar has a sheering edge so that they can sheer leaves and what not. More of a u shaped dental arcade.
