Trinil
A look at the intentional markings of Homo erectus
Looking at a 2014 paper by Josephine Joordens and coworkers, which describes zig-zag markings on a shell from Trinil, Indonesia. This shell may have been intentionally marked by Homo erectus.
![Clam shell with zigzag markings in a museum exhibit](/content/images/size/w1460/2023/06/trinil-pseudodon-shell-engraved-markings-naturalis-henk-caspers-wikimedia-cc-by-sa.jpg)
A new study of old shells shows shoreline resource use by Homo erectus
Notes on a study by José Joordens and coworkers on the Trinil collection associated with Eugene Dubois' original Pithecanthropus dig
![A photo from a distance showing large river terrace excavation and river flowing in front.](/content/images/size/w1460/2022/11/trinil-historic-photo-colorized.jpg)