Dictionary of Human Evolution and Biology

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Laetoli

Archaeological site found in 1935 in the drainage of the Gadjingero River south of Olduvai Gorge in Tanzania. The site contained no artifacts.The first hominid remains recovered included a maxilla found by Ludwig Kohl-Larsen, originally attributed to Meganthropus africanus, but later reclassified as Australopithecus afarensis. The site was reworked after 1974 by Mary Leakey and dated to 5-3.35 mya (K/Ar). She found footprints imbedded in a fossil ash layer (Laetoli Site G) that suggest some form of bipedalism. Other hominid remains include at least 24 individuals assigned to Australopithecus cf. afarensis (although some prefer A. africanus). The type specimen is LH-4. The paleoenvironment is thought to have been grassland with patchy forests. Aka Garusi.

See footprint tuff and Eyasi.

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