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With long necks reaching upwards of 9m (30ft) which sloped sharply towards muscular shoulders
Shape and size will vary
746" piece of polished Chrysocolla Chalcedony
Abundant in ancient deposits but rarer in newer formations
Crinoid Fossil Plate - 3.247" hot With long necks reaching upwardsCrinoids 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. 247" crinoid fossil plate that dates to about 323,000,000 to 331,000,000 years old. It comes from the Bangor Limestone
