1 Talk Bone Edit Fossil Record Bones are rigid organs that form part of the endoskeleton of vertebrates. This article is a stub. You can help Fossil Wiki by expanding it. Read more Great appendage The tibia, shinbone, or shankbone is the larger and stronger of the two bones in the leg below... Tibia Tusks are unusually long teeth, usually but not always in pairs, that protrude well beyond the... Tusk Related Categories Categories: Article stubs | Anatomy Add category