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The terms australopithecines, et. al., come from a former classification as members of a distinct subfamily, the Australopithecinae. [6] Members of Australopithecus are sometimes referred to as the "gracile australopithecines", while Paranthropus are called the "robust australopithecines". [10] [11]
Robust australopithecines (Paranthropus) had larger cheek teeth than gracile australopiths, possibly because robust australopithecines had more tough, fibrous plant material in their diets, whereas gracile australopiths ate more hard and brittle foods. [49]
Broom discovered fossils of Australopithecus that contributed to the acceptance of Dart's interpretation of the Taung child, as a transitional form between apes and anatomically modern humans. Dart's claim that Australopithecus africanus , the species name that he had given to the Taung Child, was a transitional form between apes and humans was ...
Paranthropus is a genus of extinct hominin which contains two widely accepted species: P. robustus and P. boisei.However, the validity of Paranthropus is contested, and it is sometimes considered to be synonymous with Australopithecus.
The "gracile" or lightly built skeleton of anatomically modern humans has been connected to a change in behavior, including increased cooperation and "resource transport". [ 50 ] [ 51 ] There is evidence that the characteristic human brain development, especially the prefrontal cortex, was due to "an exceptional acceleration of metabolome ...
Homo (from Latin homÅ 'human') is a genus of great ape (family Hominidae) that emerged from the genus Australopithecus and encompasses only a single extant species, Homo sapiens (modern humans), along with a number of extinct species (collectively called archaic humans) classified as either ancestral or closely related to modern humans; these include Homo erectus and Homo neanderthalensis.
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The genus Paranthropus (otherwise known as "robust australopithecines", in contrast to the "gracile australopithecines") now also includes the East African P. boisei and P. aethiopicus. It is still debated if this is a valid natural grouping (monophyletic) or an invalid grouping of similar-looking hominins (paraphyletic).