at around 6 million years ago, which fossil hominin species might be present?
The following options are choices for the correct answer.
Sahelanthropus tchadensis
Australopithecus sediba
Orrorin tugenensis
Australopithecus afarensis
Homo habilis
Paranthropus boisei
Homo erectus
Homo sapiens
Homo heidelbergensis
Paranthropus aethiopicus
Australopithecus africanus
Ardipithecus ramidus
Homo neanderthalensis
Paranthropus robustus