Erectus engraving shell can be seen at @museumnaturalis Pic by @MarkJSier http://t.co/RCPoQ8pcKZ #JoordensTrinil http://t.co/xLu22YBxnD
H. erectus on Java carved geometric figures in shells & used shells as tools http://t.co/bKPzTaGGmS by @StonesAndSkulls Mind = blown
My friend José Joordens in @nature ! Homo erectus at Trinil on Java used shells for tool production and engraving http://t.co/i43k9YTgVW
Erectus engraving shell can be seen at @museumnaturalis Pic by @MarkJSier http://t.co/RCPoQ8pcKZ #JoordensTrinil http://t.co/xLu22YBxnD
Homo erectus made world's oldest doodle 500,000 years ago http://t.co/3ioV70371t http://t.co/sU2YJnlLox
Shells for tool and engraving by H. erectus in Trinil http://t.co/RCPoQ8pcKZ #JoordensTrinil
Net uit: Homo erectus at Trinil on Java used shells for tool production and engraving http://t.co/nuFyIxAgCR
Shells for tool and engraving by H. erectus in Trinil http://t.co/RCPoQ8pcKZ #JoordensTrinil
H. erectus at Trinil (Java) used shells for tool production & engraving. The oldest engraving ever found (430-540ka) http://t.co/6YFL5ZzJ6t