It has the typical rib-like shape. No filler was added and this bone shows how it was reconstructed in the field.
eBay
This toy is about 3" long and 2 1/2" tall.
eBay
Natural triceratops (horned dinosaur) frill bone piece from South Dakota approx. 67 million years old. Very cool you can see the details in picture. If you have questions please ask. Combined shipping offered.
eBay
This bone has good trabecular pattern with coloration indicative of a surface find.
eBay
The horridus are always found in ground below the prorsus, so they are older. The horridus have a smaller nose horn and larger beak than the prorsus. It is from Lance Creek Formation near Newcastle, Wyoming.
eBay
Its horizontal grooves indicates that it was from the dinosaur's frill. No restoration.
eBay
eBay
A nice hefty and interesting addition to anyone's dinosaur bone collection.
eBay