Any of several extinct humanlike primates of the genus Australopithecus and closely related genera such as Ardipithecus and Paranthropus.

[From New Latin Austrālopithēcus, genus name.]

aus′tra·lo·pith′ adj.
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References in periodicals archive ?
They discovered australopith faces and jaws were strongest in the areas most likely to receive a punch.
Washington, June 10 ( ANI ): Researchers have claimed that human faces -especially those of our australopith ancestors - evolved to minimize injury from punches to the face during fights between males.
They found that australopith faces and jaws were strongest in just those areas most likely to receive a blow from a fist.
Berger L R, De Ruiter D J, Churchill S E, Schmid P, Carlson K J, Dirks P H G M, Kibii J M, 2010, "Australopithecus sediba: a new species of Homo-like Australopith from South Africa" Science 328 195-204
The rise of the hominids as an adaptive shift in fallback foods: Plant underground storage organs (USOs) and australopith origins.
They show more characteristics that align them with Homo than [has] any other Australopith we've ever encountered," says de Ruiter.
Smaller-jawed australopith ecines turn up mainly in conjunction with the monkeys and other forest animals, Behrensmeyer notes.
Early human relatives called australopiths were smaller on average than their predecessors, and early humans continued to remain small till the arrival of Homo erectus, the study found.
The brain of H naledi came close in size to that of very early members of the Homo genus and of ancient australopiths " and was only slightly larger than that of a chimpanzee.
Anthropologists from the University of Kent, working with researchers from University College London, the Max Planck Institute for Evolutionary Anthropology in Leipzig (Germany) and the Vienna University of Technology (Austria), have produced the first research findings to support archaeological evidence for stone tool use among fossil australopiths 3-2 million years ago.
These species clearly are more closely related to humans than other australopiths from East Africa, according to research appearing in Science, which reveals that both sediba and africanus share about the same number of dental traits with the first undeniably human species.
Next, in considering Australopiths, he claims that these "bipedal apes" adapted both to open savannahs and arboreal habitats.