This Specimen has been sold.
3" Edmontosaurus (Duck-Billed Dinosaur) Caudal Vertebrae
This is a 3" tall, caudal (tail) vertebrae of Edmontosaurus annectens a type of Hadrosaur. It was found in the Hell Creek Formation of South Dakota. There is one repaired crack with a slight shift in the vertebrae hence the bargain price.
Hadrosaursare frequently referred to as duck-billed dinosaurs and are members of the ornithischian family Hadrosauridae They were fairly common herbivores which roamed Asia, Europe and North America during the Upper Cretaceous Period. Many species of hardrosaurs had distinct crests on their head, some of which had air filed chambers that may have produced a distinct sound. These crests may have been used for both audio and visual display purposes.