Triceratops Frill Fragment in Riker Box — Hell Creek Formation, North Dakota (66 MYA)

Own a real piece of Triceratops. This authentic Triceratops frill fragment (about 1½ inches) comes from the Hell Creek Formation of North Dakota and is about 66 million years old. It comes displayed in a labeled Riker box, ready for a shelf, desk or classroom.

Each fragment is unique. The photos are an example only. The actual fragment you receive will differ, but will be of similar size and quality.

The frill formed part of the massive bony shield that protected the neck of this three-horned giant of the Late Cretaceous, and may have been used for display, defense or communication within the herd. Its preserved texture shows the distinctive vascular patterns characteristic of Triceratops bone.

A great gift for fossil collectors, dinosaur lovers, kids, teachers and anyone who wants a real Triceratops fossil at an accessible price.

Specimen Details

• Species: Triceratops horridus
• Specimen: Frill fragment (about 1½ inches); photos are an example
• Age: Late Cretaceous (~66 million years old)
• Formation: Hell Creek Formation
• Location: North Dakota, USA
• Displayed in a labeled Riker box
• Ethically collected on private land with the landowner's permission and under the oversight of an academic team

Frequently Asked Questions

Is this a real Triceratops fossil?
Yes. It is a genuine fossil from the Hell Creek Formation of North Dakota, not a cast or a replica.

Will I get the exact fragment in the photos?
No. The photos are an example. Your fragment will differ but will be of similar size and quality.

What is a Triceratops frill?
The frill is the large bony shield at the back of a Triceratops skull, protecting its neck.

How old is it?
About 66 million years old, from the very end of the Cretaceous, just before the dinosaurs went extinct.