Triceratops Frill - SOLD 4.289" 346.47g rockinaboxtigeriron This intriguing mineral concretion is

This intriguing mineral concretion is known as a septarian nodule

Surviving descendants of this family still thrive today in Chile

77" polished Phylloceras fossil from Madagascar

turning nickel-iron and stone into very small fragments

the Space Shuttle Endeavour was the final of the orbiters to be built

Triceratops Frill - SOLD 4.289" 346.47g rockinaboxtigeriron This intriguing mineral concretion isTriceratops was one of the last dinosaurs to appear in the Late Cretaceous. Like other members of the Ceratopsid family, these large quadrupeds sported bony frills, horns, and beak like mouths. This specimen is a 4. 289" fossilized piece of a Triceratops Frill, recovered on private land in South Dakota from the Hell Creek Formation. The material weighs 346. 47g. It dates back over 64,000,000 years to the Cretaceous and is an iconic piece of the famous