5.1" Maiasaura Hadrosaur Dinosaur Rib Bone In Matrix Fossil Two Medicine FM MT COA
Location: Two Medicine Formation, Montana (Private Land Origin)
Weight: 8 Pounds 2.9 Ounces (Matrix)
Dimensions: 11.5 Inches Long, 9.5 Inches Wide, 2 Inches Thick (Matrix)
Rib Dimensions: 5.1 Inches Long,1.3 Inches Wide, 9 Inches Thick
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Cretaceous Age 83-70 Million Years Old.
Name: Maiasaura
Type: Herbivore
Size: 9 meters in length.
Maiasaura was a large, herbivorous saurolophine hadrosaurid, commonly known as a "duck-billed" dinosaur, that lived during the Upper Cretaceous Period, approximately 65 to 70 million years ago. In 1978, a significant nesting site was discovered in the Two Medicine Formation near Choteau, Montana, U.S. Maiasaura had a short, wide, toothless bill, and its jaws contained hundreds of tightly packed teeth used for chewing and grinding tough plant material. It had a low head with a small bony crest between its eyes and a long, pointed tail. Like other duck-billed dinosaurs, its hind legs were longer than its front limbs, suggesting it could move both on two legs and on all fours. It is estimated that Maiasaura took about seven to eight years to reach full adult size, growing up to eight meters in length and weighing around four metric tons.
