Who are the three gracile australopithecines?
Anamensis, afarensis, africanus.
Who were the three robust australopithecines?
Paranthropus aethiopicus, Paranthropus robustus, Paranthropus boisei.
What are the seven homo species?
Who are the three oldest hominids (in order)?
Sahelanthropus tchadensis, Orrorin tugenensis, Ardipithecus ramidus.