This Specimen has been sold.
Small Theropod (Raptor) Caudal Vertebrae - Hell Creek Formation
This is a caudal vertebrae of a dromaeosaur, possibly Acheroraptor, a small theropod dinosaur that is commonly referred to as a raptor. It's .63" long and comes from the Hell Creek Formation of Carter County, Montana. This specimen shows very little weathering and the processes have mostly eroded away.