Original: The robust australopithecines, members of the extinct hominin genus Paranthropus (Greek para "beside", Greek anthropos "human"), were bipedal hominids that probably descended from the gracile australopithecine hominids (Australopithecus).
Simplified: The robust australopithecines, members of the extinct hominin genus Paranthropus (Greek para "beside", Greek anthropos "human"), were bipedal hominins that probably descended from the gracile australopithecine hominins (Australopithecus).