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A. afarensis had a tall face, a delicate brow ridge, and prognathism (the jaw jutted outwards). The jawbone was quite robust, similar to that of gorillas. The living size of A. afarensis is debated, with arguments for and against marked size differences between males and females. Lucy measured perhaps 105 cm (3 ft 5 in) in height and 25–37 kg ...
Brunet and colleagues had listed the presence of 3 distinct tooth roots as a distinguishing characteristic, but the third premolar of the A. afarensis LH-24 specimen from Middle Awash, Ethiopia, was described in 2000 as having the same feature, which shows that premolar anatomy was highly variable for A. afarensis. [13]
Lucy Catalog no. AL 288-1 Common name Lucy Species Australopithecus afarensis Age 3.2 million years Place discovered Afar Depression, Ethiopia Date discovered November 24, 1974 ; 50 years ago (1974-11-24) Discovered by Donald Johanson Maurice Taieb Yves Coppens Tom Gray AL 288-1, commonly known as Lucy or Dinkʼinesh, is a collection of several hundred pieces of fossilized bone comprising 40 ...
Lucy, a 40%-complete skeleton of a female A. afarensis, discovered 1974 in Hadar, Ethiopia; Selam, remains of a three-year-old A. afarensis female, discovered in Dikika, Ethiopia; MRD-VP-1/1, first skull of A. anamensis discovered in 2016 in Afar, Ethiopia. STS 5 (Mrs. Ples), the most complete skull of an A. africanus ever found in South Africa
AL 200-1 (Afar Locality) is the fossilized upper palate and teeth of the species Australopithecus afarensis, estimated to be 3.0-3.2 million years old. [1] Its characteristics are an ape-like arrangement of teeth including spatulate incisors and a gap between the canines and outside incisors.
A. afarensis: Basal, Denen Dora, Kada Hadar, and Sidi Hakoma members Partial skeletons featuring small cranial capacity, primitive occipitals, basal cranium anatomy, high frequency of unicuspid third premolars, prognathic faces, and primitive mandibular anatomy An australopithecine hominid AL 444-2 skull
A number of traits of the A. afarensis skeleton strongly reflect bipedalism, to the extent that some researchers have suggested that bipedality evolved long before A. afarensis. [17] In overall anatomy, the pelvis is far more human-like than ape-like.
Kenyanthropus, A. afarensis, and A. deyiremeda all coexisted in the same time and region, and, because their anatomy largely diverges in areas relevant to chewing, they may have practised niche partitioning and foraged for different food items. [9]