For the most part the `` Australopithecus '' species `` A. afarensis '' , `` A. africanus '' , and `` A. anamensis '' either disappeared from the fossil record before the appearance of early humans or seem to have been the ancestors of `` Homo habilis '' , yet `` P. boisei '' and `` P. aethiopicus '' continued to evolve along a separate path distinct and unrelated to early humans .
For the most part the `` Australopithecus '' species `` A. afarensis '' , `` A. africanus '' , and `` A. anamensis '' either disappeared from the fossil record before the appearance of early humans or seem to have been the ancestors of `` Homo habilis '' . `` P. boisei '' and `` P. aethiopicus '' , on the other hand , continued to evolve along a separate path distinct and unrelated to early humans .