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