Remains of early Homo and Paranthropus have been recovered from two contemporaneous sites (Uraha and Malema) in the "Hominid Corridor" in Northern Malawi (Chiwondo Beds). Faunal dating suggests an age of 2.5-2.3 Ma for both hominids. The two specimens, a mandible attributed to Homo rudolfensis(UR 501 from Uraha), and a maxillary fragment of Paranthropus boisci. (RC 911 from Malema) known only from eastern Africa, represent the southernmost known distribution of these taxa. The biogeographic significance of these hominids from the Malawi-Rift lay in their association with the eastern African endemic animal group. Biogeographic variation in south-eastern Africa may be linked to habitat change occurring due to climate change, with maximum change occurring around 2.5 Ma.
- Biogeographical variation
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