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In: Biology

Time Genus Species Cranial Capacity Important Features World Locations/Comments Ardipithecus Ramidus vs Orrorin vs Sahelanthropus (Toumai)...

Time

Genus

Species

Cranial Capacity

Important Features

World Locations/Comments

Ardipithecus

Ramidus vs Orrorin vs Sahelanthropus

(Toumai)

Australopithecus

anamensis

Australopithecus

afarensis

Australopithecus

africanus

garhi

Paranthropus

(australopithecus in our Larsen text)

aethiopicus

robustus

boisei – nutcracker man

Homo

habilis

(Early Homo)

Homo

Erectus

(sometimes you hear Homo ergaster as an early version but this is going away)

Homo

neanderthalensis

Homo

sapiens

(Anatomically Modern Human)

Homo

floresiensis

Solutions

Expert Solution

Time genus species cranial capacity important features world locations
4.4 million years ago Ardipithecus

Ramidus vs Orrorin vs Sahelanthropus

(Toumai)

300 to 350 cubic centimeters They have a big grasping toe as an adaptation to climb trees,skeleton reflect an adaptation to bipedalism and has reduced canine teeth. First fossil found in the middle awash area of ethiopia.

between

4.2 and 3.8 million years ago

Australopithecus anamensis unknown oldest australopithecus species.Have common traits of apes and humans.Long forearm and indications of bipedal walking,human like orientation of ankle joint First fossil discovered from kanapoi in northern Kenya.then from ethiopia
4 to 3 million years ago Australopithecus afarensis 415 cc long,strong arms with curved fingers,ape like face projection,small canine teeth,stood on twolegs and often walked upright. found in east and northeast africa.
between 3 and 2 million years ago Australopithecus

africanus

461 cc slightly curved finger and toe bones,long arms,ability to walk on two legs fossils found in south africa
2.5 milion years ago Australopithecus garhi 450 cc longer arms than legs found in the middle awash of ethiopia
between2.7 to 2.5 million years ago Paranthropus aethiopicus 410 cc strong protruding face,strong jawssagittal crest on top of skull found in ethiopia and kenya
2.4 to 1.5 million years ago Homo habilis 500 to nearly 800 cc slightly large brain case with smaller face and teeth,human like bones and long arms They inhabited parts of africa nad fossils found from tamzania
2 million years ago Homo erectus 850 cc skeleon similar to humans,wide fleshy nose,flat face with prominent ridges on skull fossils found across the world like south africa,kenya,spain,china and java
about 2.6 million to 11,700 years ago Homo neanderthalis 1500 cc closest extinct human relative,long and low skull,brow ridge over their eyes,big and wide nose.Adapted to cold first fossil found in the feldhofer cave of the neander valley,germany.They were distributed across eurasia.
3,00000 to 1,60,000years ago Homo sapiens 1350 cc back of skull is rounded,orbits are square than round,face is small with projecting nose bone. Fossil found from africa and many other sites of world
1,00,000 to 60,000 years ago Homo floresiensis 417 cc large teeth with no chin,receding foreheads and large feet for short legs. Fossils were found on the islands of Flores,Indonesia.

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