Fossilized Porpoise Vertebra
Rare juvenile fossilized porpoise vertebra. This particular example demonstrates a lumbar vertebra of a porpoise with epiphysis (growth plate) on both sides indicating it was a juvenile. It is rare to see both epiphysis as they easily slip off the vertebra. The opening in the spinous process is to allow for the spinal cord. The two transverse process have deteriorated. Overall measurement: 3.5 inches long by 2.25 inches wide by 1 inch thick. The superfamily is Delphinoidea and the family is Phocoenidae, genus and species unknown. Age: 5 million to 25 million years old. Location: Westmoreland County, Virginia.