...and as more time passed, more Homo!

 KNM-ER-3228 (above) and OH28 (below) 

 

Note the acetabulocristale buttress on both and how they are the same relative size

D-2700

 

Cranium

 Posterior view of the cranium. Note the sagittal keel

 

Mandible of the individual, note the ascending ramus

 Mandible

OH5 (above) and modern human (below)

 Note the difference in parietal thickness, and how OH5 is thicker

H. ergaster

 VERY thick parietal!

Modern human (left) and H. ergaster (right)

 Compare the difference in parietal thickness, and note the THICKNESS of H. ergaster

OH9, KNM-ER-3883, KNM-ER-3733, OH5 (from left to right)

Cranium comparison

"Turkana Boy" KNM-WT-15000

 The partial skeleton that has been recovered

 Original pelvis reconstruction, that now has been nearly debunked

Cranium of Turkana Boy

 Mandible of Turkana Boy

STONE TOOLS

Olduvai Stone Tool Industry

 Picture of a "chopper"

Acheulean Stone Tool Technology

"Handaxes"