The Paranthropus Genus ● Sagittal Crest for attaching jaw muscle ● Large molar teeth for grinding up stems and roots
Other mammals have sagittal crests to increase bite strength
Paranthropus Aethiopicus ● 2.5 million years ago ● Brain size 410 cc
Paranthropus Aethiopicus
Paranthropus Boisei ● 1.2 million years ago ● Brain size 550 cc
Paranthropus Boisei
Paranthropus Robustus ● 1.5 million years ago ● Brain size 530 cc
Paranthropus Boisei teeth and modern Homo Sapien teeth
2 million years ago:
Homo Habilis “Handy Man” ● 2 million years ago ● Brain size 600 cc ● Larger brain than other hominids at the time ● First tool maker ● Human-like hands, pelvis, and teeth
Homo Habilis
Homo Habilis' tools
Australopithecus Sediba ● 2 million years ago ● Brain size 420 cc
Sediba hand comparison
Australopithecus Sediba pelvis
Sediba compared to Lucy