Matching Pairs Butting HeadsOnline version ........ by Tea Cher 1 Layer 2 Relative 3 Creature 4 Ancient 5 Sturdy 6 Unusual 7 Bones 8 Butting heads 9 Bashing 10 Million years 11 Fossilized 12 Helmet hitting something repeatedly with force. not common or expected. thin sheet of something, such as rock, soil, or clothing. a person who is related to you, such as a parent, child, sibling, or cousin. 1,000,000 years hard parts of the body that make up the skeleton. strong and not easily broken. fighting or arguing hard hat that is worn on the head to protect it from injury very old, often dating back to a time before recorded history. Plant or animal remains that are turned into stone any living thing, such as an animal or a plant.