los hominins dicen que no.
sahelanthropus tchadensis: time, place, tools
7-6 mya, Chad (N/C Africa), no stone tools
sahelanthropus tchadensis: brain, skull, face
320-350 cc, chimp-like except for foramen magnum, flat face w/ big brow ridge
sahelanthropus tchadensis: teeth
canines: smaller than chimp, no sharpening, other: thicker enamel
ardipithecus ramidus: time, place, tools
4.4 mya, E. Africa, no stone tools
ardipithecus ramidus: brain, skull, face
300-350 cc, chimp-like except foreman magnum, U-shaped, prognathism
ardipithecus ramidus: teeth
canines: like female chimp, no sharpening, non-dimorphic, other: molars larger than humans/chimps
ardipithecus ramidus: post-cranium
opposable big toe, pelvis intermediate
ardipithecus ramidus: sexual dimorphism
male canines 10-15% larger than females
austrolopithecines (anamensis, afarensis, africanus, garhi, Kenyanthropus): time, place, tools
4.2-2.5 mya, E&S Africa, Mode 1 with garhi
australopithecines: brain, skull, face
400-500 cc, chimp-like except foreman magnum, reduced prognathism, heavier lower jaw
australopithecines: teeth
canines: trending smaller, other: molars trending larger
australopithecines: post-cranium
bipedal with arboreal adaptations (long arms, curved finger bones), 3.5-5 ft tall
australopithecines: sexual dimorphism
males 30-50% larger
paranthropus: time, place, tools
2.5-1 mya, E&S Africa, Mode 1
paranthropus: brain, skull, face
450-550 cc, sagittal crest, wide zygomatic arches, very heavy jaw
paranthropus: teeth
canines: very small, other: tiny incisors, huge molars
paranthropus: post cranium
bipedal with arboreal adaptations, 3.5-5 ft tall
paranthropus: sexual dimorphism
males 25-30% larger
early homo (habilis, rudolfensis): time, place, tools
2.8-1.4 mya, E&S Africa, Mode 1
early homo: brian, skull, face
550-800 cc, higher forehead, less post-orbital constriction, smaller face than Aus (especially in habilis)
early homo: teeth
same shape as H. sapiens just slightly larger
early homo: post-cranial
bipedal with arboreal adaptations, 3.5-5 ft tall
H. erectus: time, place, tools
2-0.2 mya, Africa, Europe, Asia, Mode 1 & 2
H. erectus: brain, skull, face
550-1100 cc, long low, occiptal torus, sagittal keel in E. Asia, heavy brow ridges, smaller jaws, less prognathism
H. erectus: teeth
same shape as H. sapiens, just slightly larger, especially incisors
H. erectus: post-cranial
bipedal and fully terrestrial (short arms), more robust than H. sapiens
H. erectus: sexual dimorphism
males 20-30% larger
H. naledi: time, place, and tools
0.33-0.22 mya, South Africa, unknown
H. naledi: brain, skull, face
465-560 cc, similar to early homo but not as long/low as erectus, heavy brow ridges
H. naledi: teeth
similar to H. sapiens, just slightly larger, especially molars
H. naledi: post-cranial
humanlike thumb but curved fingers, bipedal foot but more curved than H. sapiens, primitive shoulder blades
H. naledi: sexual dimorphism
males 10-20% larger
H. florensiensis: time, place, tools
700-50 kya, Flores Indonesia, Mode 1
H. florensiensis: brain, skull, face
400 cc, tiny skull, small face
H. floresiensis: teeth
canines: same as H. sapiens but smaller, rear molars decreased in size
H. floresiensis: post cranial
long and flat feet, primitive wrist bones, robust leg bones, 3.5 ft tall
H. heidelbergensis: time, place, tools
1-0.2 mya, Africa, Europe, Asia, Modes 1-3
H. heidelbergensis: brain, skull, face
1000-1300 cc, long low occipital torus, slightly smaller face than H. erectus, more rounded brow ridges
H. heidelbergensis: teeth
like H. sapiens
H. heidelbergensis: postcranial
like H. sapiens just more robust
H. heidelbergensis: sexual dimorphism
males 5-10% larger (like H. sapiens)
Neanderthals: time, place, tools
127-30 kya, from Africa to entire world — Austrialia (40 kya) and Americas (12 kya), Modes 1-5
Neanderthals: brain, skull, face
1300-1700 cc, long low occiptal bun, mid-facial prognathism, retromolar gap, large nose, arched and thinner brow ridges
Neanderthals: teeth
like H. sapiens, but molars have taurodont roots
Neanderthals: post cranial
like H. sapiens but more robust
Neanderthals: sexual dimorphism
males 5-10% larger (like H. sapiens)
H. sapiens: time, place, tools
300 kya - present, Africa to entire world — Australia (40 kya) and Americas (12 kya), Modes 1-5
H. sapiens: brain, skull, face
1400 cc, high and domed, flat face tucked under braincase, protruding chin, reduced brow ridges