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