Crinoid Fossil Plate - 3.666" chelyabinsk 64" Pietersite cabochon set into

64" Pietersite cabochon set into a sterling silver bezel

tool-making hominin Homo erectus

xichuanensis in central China

technicians

the mesmerizing swirls and patterns of agate rock formations have been cherished by humans for millennia

Crinoid Fossil Plate - 3.666" chelyabinsk 64" Pietersite cabochon set intoCrinoids 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. 666" crinoid fossil plate that dates to about 323,000,000 to 331,000,000 years old. It comes from the Bangor Limestone