Fig. (5) Hystrix (Acanthion)brachyura Linnaeus 1758 chewed hyena prey bones from the Fuchsluken Cave porcupine and hyena den at the Giebelstein near Saalfeld (Thuringia, Central Germany). 1. Bone fragment (SMS RoteB-4). 2. Bovid humerus fragment which was first used as an “unipolar nibbling stick” by hyenas. It was later recycled by porcupines (SMS RoteB-5). 3. Deer antler fragment chewed bipolar (SMS RoteB-7). White = chew marks and zones, grey = bone.