This is an authentic ankylosaur scute (dermal armor) from the Hell Creek Formation of Montana, dating to the Late Cretaceous approximately 68–66 million years ago. Ankylosaurs were heavily armored herbivorous dinosaurs that carried rows of bony osteoderms embedded in their skin — natural body armor that protected them from the formidable predators of their era, including Tyrannosaurus rex.

This specimen measures 2.00 inches and has received no repairs or restoration, preserving its complete fossil integrity. Scutes like this one formed the defensive plating that made ankylosaurs among the most well-protected animals to ever walk the Earth. Each scute was covered in life by a keratinous sheath, much like a turtle's shell, creating an effective barrier against even the most powerful bite forces of Cretaceous theropods.

Ankylosaur material from the Hell Creek Formation is notably less common than fossils from the more abundant hadrosaurs and ceratopsians of the same ecosystem, making authenticated specimens particularly desirable for collectors focused on Late Cretaceous dinosaur diversity.

Specimen Highlights:

• Type: Authentic ankylosaur scute (dermal armor)
• Dimensions: 2.00 inches
• Condition: No repairs or restoration
• Provenance: Hell Creek Formation, Late Cretaceous (~68–66 million years ago), Montana
• Source: Acquired from a trusted paleontologist
• Authenticity Guarantee: 100% genuine dinosaur fossil

Feel free to reach out with any questions about this specimen or for additional photos. Ships securely packaged with care. Thank you for supporting ethical fossil collecting!