4.8" Hadrosaur (Edmontosaurus) Caudal Vertebra - South Dakota

 
 
 
This is a 4.8" long Hadrosaur (Edmontosaurus) caudal centrum from the Hell Creek Formation in Harding County, South Dakota. This excellent specimen is missing the vertebral arch and transverse processes but is in very good condition. It is likely that this vertebra is from the base of the tail. There is one repaired crack on this specimen.

Hadrosaurs are 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.

Because of its age and sedimentary composition composition, the Hell Creek Formation has become one of the most paleontological studied areas in the world. 158 genera of animals and 64 genera of plants are known from the formation and new discoveries are made frequently. In addition to Tyrannosaurs, Ceratopsids, and hadrosaurs, the formation has yielded remains of amphibians, reptiles, including lizards, snakes and turtles, fish and sharks, avian and non-avian dinosaurs, and mammals. The Hell Creek Formation gives the most complete understanding of the environment just before the Cretaceous-Paleogene extinction.
DETAILS
SPECIES
Edmontosaurus annectens
LOCATION
Harding County, South Dakota
FORMATION
Hell Creek Formation
SIZE
4.8 x 3.6 x 2.5"
CATEGORY
SUB CATEGORY
ITEM
#113597
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