Fig. 4
From: Specialized rainforest hunting by Homo sapiens ~45,000 years ago

Specimens with anthropic modifications from the Late Pleistocene layers of Fa-Hien Lena. Bone fragments with evidence for butchery and osseous tools and artifacts from the earliest phase of occupation at Fa-Hien Lena. a Cutmarks on a grizzled giant squirrel (Ratufa) tibia. b Cutmarks on an otter (Lutra) humerus. c, d Cercopithecid monkey fibula points with evidence for shaping (ground) before high-pressure tip use. e Monkey distal fibula shaft fragment with grinding marks. f Worked monkey femur shaft fragment. g Worked macaque canine showing damage from use in cutting (on sides) and pressure/piercing on tip