Miasaura Dinosaur Bone Pathology, of a Tail Vertebra Troodon The root sections are known

The root sections are known as Stigmaria

the Therizinosauria

believing the skull to be a million years older than it was

Like modern-day dragonflies

This specimen was found in the Devonian

Miasaura Dinosaur Bone Pathology, of a Tail Vertebra Troodon The root sections are knownA bone pathology refers to abnormalities in bone growth or healing from injury or disease. Such abnormalities (pathologies) are not limited to modern or living animals and are also found in the fossil record. Finding bone pathologies in the fossil record are rare. The replica specimen presented here shows how injury or disease affected the normal growth of the bone. Note the very rough texture of the bone which had healed from disease. It is