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  • Title: A systematic assessment of early African hominids.
    Author: Johanson DC, White TD.
    Journal: Science; 1979 Jan 26; 203(4378):321-30. PubMed ID: 104384.
    Abstract:
    A large sample of Pliocene fossil hominid remains has been recovered from the African sites of Hadar in Ethiopia and Laetolil in Tanzania. These collections, dating approximately between 2.9 and 3.8 million years ago, constitute the earliest substantial record of the family Hominidae. This article assesses the phylogenetic relationships of the newly discovered fossil hominids and provides a taxonomy consistent with that assessment. A new taxon, Australopithecus afarensis, has been created to accommodate these Pliocene hominid fossils.
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