The researchers carbon-dated a fragment of pelvic bone to 21,090 to 20,811 years ago, which was consistent with the geological dates of the sediment in which the animal was found. Related ...
The Ushikawa fossils were initially presented as a humerus bone from the upper arm and the end or head of a femur bone from the leg of a human who had lived more than 20,000 years ago. But in the ...