LengthThis is a nice, little section of dinosaur rib section in a display box.
 
Age: 79- 75 Million years ago
 
Location: Judith River Formation
 
Lenth of fossil: 1.18 inches
 
79- 75 million years ago, the Judith River Formation would have comprised of river channels, floodplains, and wetlands with floral diversity recognisable to what we see today including ferns, conifers, and cycads.
 
Fauna included a variety of dinosaur species including Brachylophosaurus, Centrosaurus , and,  Gorgosaurus. 
Turtles, pterosaurs, small mammals, and a variety of fish species also made up some of the diversity found within the ecosystem.