Crinoid Fossil Plate - 3.430" rockinaboxromanglassfragment A small information card will

A small information card will accompany the specimen

Beginning with the appearance of the dolphin-shaped Ichthyosaurs in the Triassic Period

at least according to the label

46" sample of Red Planet Obsidian set into a sterling silver bezel

75" Maiasaura Vertebra recovered from private land on the Two Medicine Formation in Montana

Crinoid Fossil Plate - 3.430" rockinaboxromanglassfragment A small information card willCrinoids 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 3. 430" crinoid fossil plate that dates to about 323,000,000 to 331,000,000 years old. It comes from the Bangor Limestone