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Ross Limestone
a large non-amniote reptiliomorph (Diadectidae) that lived at the same time
rex but smaller in size
Edaphosaurus had a sail-like fin that was supported by bones of the vertebral column
Dinosaur Rib Pathology from the Trex known as Tinker Pteranodon Ross LimestoneA 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. It is fascinating to see how the animal reacted to the injury or disease and to
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