10.6" Hadrosaur (Edmontosaurus) Spinous Process - South Dakota

 
 
 
This is a 10.6" long spinous process from the dorsal vertebra of a large hadrosaur (Edmontosaurus annectens), collected from the Hell Creek Formation of Harding County, South Dakota. There are multiple repaired cracks through the process and it was found detached from the centrum. There is no indication of any restoration other than some minor gap fill through some of the larger cracks.

Comes with an acrylic display stand.

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, 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
10.6" long
CATEGORY
SUB CATEGORY
ITEM
#145893
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