von Koenigswald||-| | KNM ER 3883| 1.4 - 1.6 Ma| Homo erectus| 1976| Kenya| Richard Leakey||-|| KGA 10-525| 1.4 Ma| Paranthropus boisei| 1993| Ethiopia| A.. 
Protein tí ó ń kóòddù fún SPG21 gene ní ìrẹ́pọ̀ pẹ̀lú ALDH16A1 enzyme enzyme.Àwọn ìtọ́kasí àyọkà àkurú.. 