1 Description 2 Disputed taxonomy 3 Occurrence 4 Intelligence 5 Discovery 6 See also 7 … Paranthropus aethiopicus is a species of early hominin that lived in East Africa approximately 2.7–2.3 million years ago (mya). The skull is similar to that of a chimpanzee, except for the more humanlike teeth. KNM WT 17000 had a relatively small cranial capacity, only reaching about 410 cc 1. The brain size of this erstwhile hominid was only about 350 cc, similar to that of a modern chimpanzee (human mean cranial capacity is 1350 cc). Species Paranthropus aethiopicus Paranthropus boisei Paranthropus robustus The robust australopithecines, members of the extinct hominin genus Paranthropus, were bipedal hominins that probably descended from the gracile australopithecine hominins (Australopithecus). Virtual endocasts of the microcephalic, modern woman, Homo erectus, and chimpanzee were scaled to 417 cm3 to However, it has still been suggested that the cognitive capabilities of the more recent members of Paranthropus were considerably greater than those of P. aethiopicus and the earliest members of the genus Australopithecus (Klein, 1999). Our virtual cranial capacity estimate for LB1 is 417 cm3 (10). “Zinj” - Paranthropus boisei “Zinj” is the name given to a 1.8 million-year-old skull of the Paranthropus boisei species found in 1959 in the Olduvai Gorge of Tanzania. KNM-WT 17000 (Paranthropus aethiopicus), 10 humans, 10 gorillas, 18 chimpanzees (9), an adult female pygmy, and five Homo erectus skulls. Later, the three robust species (aethiopicus, boisei, ... Paranthropus boisei. However, some still group P. boisei … Fossils from more than 100 individuals have been recovered in the last 55 years. The large sagittal crest preserved on KNM WT 17000 suggests powerful biting forces. Moreover, the skull has the same general appearance as that of a chimpanzee. Black Skull had a cranial capacity of 410 cc, and the shape of his mouth indicates that he had a strong bite and could chew plants. The name Paranthropus walkeri is under review and this species is often referred to as Paranthropus (or Australopithecus) aethiopicus. Also known as Australopithecus aethiopicus Sites: Kenya, West side of Lake Turkana, Omo River basin in southern Ethiopia Age: 2.7 - 1.9 mya Type specimen: WT 17000 ("Black skull") Specimens: Omo 18-18, WT 17000, KNM-WT 17000 Cranial capacity: 410 cm3 Cranial architecture: Similar to A. afarensis: Flattened cranial base; Compound temporal nuchal crest Its designation as a hominin indicates that it is more closely related to modern humans than to any other living primate. Key physical features All three species share similar physical characteristics - a relatively small body and a ‘robust’ or strongly built skull including large lower jaws with extremely large molar teeth. Evolutionary Tree Information: P. boisei is usually thought to descend from earlier P. aethiopicus (who ... Olorgesailie, Kenya. Over time, the genus has changed from Zinjanthropus to Australopithecus to Paranthropus, but some researchers are still using genus: Australopithecus.. PHYLOGENY. Cranial capacity varied from about 375 to 550 cc. The Australopithecus aethiopicus Skull KNM-WT 17000 was discovered by A. Walker in 1985 on the west shore of Lake Turkana in northern Kenya. aethiopicus, and the thickest dental enamel of any known early human. Besides having a small neurocranium, the face, palate, and cranial base are all very massively built 4. The cranial capacity of P. robustus is slightly larger than P. aethiopicus, but not substantial. 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