Hominid Evolution Summary (A Detailed Version is HERE)

A Version with Just Pix is HERE


species Time Period cranial cap (cc) height jaw & teeth face other
Sahelanthropus tchadensis 6-7 mybp 350 ? small canines low forehead, brow ridge may be closest common ancestor to chimps gracile A comparison of ape-like vs. human-like skulls
Australopithecus afarensis 3.0-3.9 mybp 375-550 3'6"- 5' small canines, jaw intermediate low forehead, flat nose, no chin, brow ridge sexually dimorphic gracile, "Lucy" See the Latoli footprints here See brain size here
Australopithecus africanus 2-3 mybp 485-625 4' parabolic jaw reduced canines panned, brow ridges present, protruding jaw gracile. There is a suggestion that some material may be as little as 1 my old (!) may have used sticks and stones as digging tools
Paranthropus robustus 1.5-2.0 mybp 530 4' small front teeth, large back panned no forehead, small sagittal crest robust, may have used bones as digging tools, some classify as genus Australopithicus See this too
Paranthropus boisei 1.1-2.1 mybp 530 4' larger than robustus with anterior teeth reduction sagittal crest, low forehead, panned face robust, some classify as genus Australopithicus. Sexual dimorphism is reduced. Fed on hard, low-quality foods
Homo habilis 1.5-2.4 mybp 500-800 5' human-like protruding jaws, large molars, no chin, brow ridge, long low skull Broca's area from brain cast (more here), tool making, may be several species including Homo rudolfensis NOTE: Some researchers question if habilis is a direct human ancestor. Had a precision grip. "Handy man" did not use fire
Homo erectus 1.8 mybp - 300,000 750-1225 5' human-like protruding jaws, large molars, no chin, brow ridge, long low skull probably used fire, efficient stone tools, first to leave Africa and migrated to Asia and Europe. Generally considered to be a direct human ancestor. See fire and tools here
Homo neanderthalensis 230,000-30,000 ybp 1450 5'6" human-like low brain case with protrusion at rear, protruding jaw, weak chin and forehead buried their dead, advanced tools, music, not brute-like (even worse) See this too
Homo floresiensis to 18,000 ybp 360 ~ 3'3" human like with robust lower jaw Small slightly elongated skull with small brow ridges. Weak chin. Probably evolved from H. erectus in Indonesia. Limited habitat and isolation led to extraordinarily stature. This is NOT a pigmy.
Homo sapiens 120,000 ybp 1350   human-like small or absent brow ridges, high forehead art, music, beads, tools, cave paintings

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