Crinoid Fossil Plate - 3.430" rockinaboxromanglassfragment Beginning with the appearance of

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

earning the Constitution its nickname: Old Ironsides

Typically ~3" (75mm) in diameter

at least according to the label

Commemorate the iconic performance of The Grateful Dead at the 1969 Woodstock Music Festival with this 19 x 21 Peace of Stage Frame

Crinoid Fossil Plate - 3.430" rockinaboxromanglassfragment Beginning with the appearance ofCrinoids 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