The remains of three groups of hominins found at the Drimolen Cave Complex in South Africa have been dated with electron spin resonance, paleomagnetism, and uranium-lead dating, and determined to all date to between 2.04 and 1.95 million years ago. The three groups of hominins belonged to Australopithecus (the group made famous by the “Lucy” fossil from Ethiopia), Paranthropus and Homo erectus (believed to be our direct ancestors before Homo Sapiens).
In other words? Three groups of hominins lived side-by-side. It underscores that the present situation, with just one hominin species dominating across locations and climates, is historically unusual.
The Homo erectus fossil is notable on its own, too. The two-million-year-old remains studied were from a Homo erectus child. The new dating places the remains at 100,000 to 200,000 years older than any other known Homo erectus fossils.
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