Bone Helmet

#fossil:bones_skull → bone_skull_allosaurus, bone_skull_ankylosaurus, bone_skull_brachiosaurus, bone_skull_ceratosaurus, bone_skull_citipati, bone_skull_compsognathus, bone_skull_confuciusornis, bone_skull_crassigyrinus, bone_skull_deinonychus, bone_skull_dilophosaurus, bone_skull_dimetrodon, bone_skull_dimorphodon, bone_skull_diplocaulus, bone_skull_diplodocus, bone_skull_dodo, bone_skull_dryosaurus, bone_skull_edaphosaurus, bone_skull_elasmotherium, bone_skull_gallimimus, bone_skull_gastornis, bone_skull_henodus, bone_skull_ichthyosaurus, bone_skull_kelenken, bone_skull_liopleurodon, bone_skull_mammoth, bone_skull_megalania, bone_skull_megaloceros, bone_skull_mosasaurus, bone_skull_ornitholestes, bone_skull_pachycephalosaurus, bone_skull_pachyrhinosaurus, bone_skull_parasaurolophus, bone_skull_phorusrhacos, bone_skull_platybelodon, bone_skull_plesiosaurus, bone_skull_postosuchus, bone_skull_protoceratops, bone_skull_psittacosaurus, bone_skull_pteranodon, bone_skull_quagga, bone_skull_quetzalcoatlus, bone_skull_sarcosuchus, bone_skull_smilodon, bone_skull_spinosaurus, bone_skull_stegosaurus, bone_skull_therizinosaurus, bone_skull_tiktaalik, bone_skull_titanis, bone_skull_triceratops, bone_skull_tyrannosaurus, bone_skull_velociraptor