Little additional information was uncovered until 1987 , when Canadian archaeologist Allan Morton ( with Harvard University 's Koobi Fora Field School ) discovered fragments of a specimen protruding from a partially eroded hillside east of Allia Bay , near Lake Turkana , Kenya .
Little additional information was uncovered until 1987 , when Canadian archaeologist Allan Morton ( with Harvard University 's Koobi Fora Field School ) discovered fragments of a specimen sticking out of a partially eroded hillside east of Allia Bay , near Lake Turkana , Kenya .