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