5.4" Dromaeosaurus Raptor Fossil Rib Bone Cretaceous Dinosaur Hell Creek MT COA Stand

Location: Hell Creek Formation, Montana (Private Land Origin)

Weight: 3.8 Ounces (With Metal Stand)

Dimensions: 7.5 Inches Long, 2 Inches Wide, 2 Inches Thick (With Metal Stand)

Fossil Dimensions: 5.4 Inches Long, 1.1 Inches Wide, 0.4 Inches Thick

Comes with a Certificate of Authenticity

Comes with a Free Metal Stand. 

The item pictured is the one you will receive.

This is a real fossil.

Name: "Swift Running Lizard"

Lived: Late Cretaceous, 75 million years old

Length: 6 Feet

Weight: 33 Pounds

Diet: Carnivore 

Although classified as a raptor dinosaur, Dromaeosaurus differed significantly from its more famous relatives. This Late Cretaceous carnivorous dinosaur featured a stocky body, strong hindlimbs, and a remarkably solid skull that resembled small tyrannosaurs in structure. Its deep mandible and large, straight teeth were adapted for tearing and crushing, rather than delicate slicing.

Discovered by Barnum Brown in 1914 and later named in 1922, Dromaeosaurus proved difficult to classify at first. Oversized foot bones and a relatively large brain led early paleontologists to overestimate its size. Decades later, it was formally placed within its own family—Dromaeosauridae—becoming the foundational species for all subsequent raptor discoveries.

Its flexible neck and grasping hands suggest active predatory behavior, while the stiffened tail helped maintain balance during pursuit. Large eyes indicate strong visual capability, and its sensory adaptations likely made it a capable hunter in diverse environments.

Whether predator, scavenger, or opportunistic feeder, Dromaeosaurus represents one of the earliest and most distinctive examples of raptor evolution, providing crucial insight into the development of agile, intelligent theropod dinosaurs.