Related Clues:

• Femur or fibula
• Mandible, e.g.
• Word with "china" or "spur"
• Dog biscuit shape
• Femur or tibia
• A boxer may work on it
• Common shape for a dog biscuit
• Item in Pebbles Flintstone's hair
• Paleontological find
• Dog-biscuit shape
• Doggy bag item
• Preserved trace of ancient plant or animal
• Ancient remnant hardened in rock
• Remnant of life in a rock
• Relic of former life preserved in stone