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Introduction to Australopithecines and the major branch of Gracile Australopithecines

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University of Missouri
Anthro 2050 - Introduction to Biological Anthropology With Laboratory
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Anthro2050 1st Edition Lecture 26 Outline of Last Lecture I. The Human Fossil Record II. Early Hominids Outline of Current Lecture I. Intro to Australopithecines II. Gracile Australopithecines Current Lecture Intro to Australopithecines: -1 to 4 million years ago -most numerous genus -they can be divided into two branches; gracile australopithecines (our ancient ancestors) and robust australopithecines (a branch off, not related to modern humans, but still important to study) Gracile Australopithecines: - species' A. anamensis, A. africanus, A. afarensis, and A. garhi - the Australopithecus afarensis is the most well known, and it's features will be used to describe gracile australopithecines, but keep in mind that australopiths are diverse across species. -East African hominid (Tanzania and Ethiopia) -"Lucy", a famous A. afarensis, found in Hadar. 2.3 million years old. Female, 3 1/2 feet tall. -brain size 375-540cc -strong post orbital constriction -modest supraorbital torus (brow ridge) -no sagittal crest, but strong temporal lines These notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.

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