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2016 ; 371
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English Wikipedia
An earlier origin for stone tool making: implications for cognitive evolution and
the transition to Homo
#MMPMID27298464
Lewis JE
; Harmand S
Philos Trans R Soc Lond B Biol Sci
2016[Jul]; 371
(1698
): ä PMID27298464
show ga
The discovery of the earliest known stone tools at Lomekwi 3 (LOM3) from West
Turkana, Kenya, dated to 3.3 Ma, raises new questions about the mode and tempo of
key adaptations in the hominin lineage. The LOM3 tools date to before the
earliest known fossils attributed to Homo at 2.8 Ma. They were made and deposited
in a more C3 environment than were the earliest Oldowan tools at 2.6 Ma. Their
discovery leads to renewed investigation on the timing of the emergence of
human-like manipulative capabilities in early hominins and implications for
reconstructing cognition. The LOM3 artefacts form part of an emerging paradigm
shift in palaeoanthropology, in which: tool-use and tool-making behaviours are
not limited to the genus Homo; cranial, post-cranial and behavioural diversity in
early Homo is much wider than previously thought; and these evolutionary changes
may not have been direct adaptations to living in savannah grassland
environments.This article is part of the themed issue 'Major transitions in human
evolution'.