Pietro Gaietto's article "The Shout of Homo Erectus"
Image Copyright Paleolithic Art Magazine, Pietro Gaietto
Image Copyright Paleolithic Art Magazine
Image Copyright Paleolithic Art Magazine
Image Copyright Paleolithic Art Magazine
Similar iconic pattern identified by Heather Welk at Denver, Colorado
Example at far right compares to Arkansas example pictured below
The form and techniques used to modify this stone from Arkansas were recently compared to early human examples (Acheulean, Homo erectus) by Jan van Es of Roermond, Netherlands. It compares to the example at right in the photo above this one.
Three of Heather Welk's Denver, Colorado, "shouting" stones in profile together.
"Totemistic face" interpretation, archaic Acheulean, Jan van Es find at Beegden, Netherlands
A rock with a human face image Heather Welk identified in the context of the Denver "shout" stones. It looks like a bearded man.