Crinoid Fossil Plate - SOLD 7.830" rockinaboxammonite Triceratops was one of the

Triceratops was one of the last dinosaurs to appear in the Late Cretaceous

The United States has historically been a bountiful location for pearl hunters

Typically attributed to Dromaeosaurids

This specimen is a mission-flown tile fragment from the Space Shuttle Challenger

Crinoid Fossil Plate - SOLD 7.830" rockinaboxammonite Triceratops was one of theCrinoids are an incredible group of aquatic animals that attach themselves to the seafloor and filter feeds with beautiful feathered arms. These creatures are echinoids, an ancient and varied group of life. Crinoids emerged in the fossil record over 541,000,000 years ago and some species still exist to this day. This specimen is a 7. 830" crinoid fossil plate that dates to about 380,000,000 years old. The fossil shows the animal's stem, calyx, and