Crinoid Fossil Plate - 3.430" Cutwordco Indiana University Press

Indiana University Press

they can crawl across the sea floor using their flexible arms

and continents alike set in motion

Every piece comes with a Certificate of Authenticity and bears its own natural markings -no two are ever the same

a period where cyanobacteria photosynthesized massive amounts of free oxygen

Crinoid Fossil Plate - 3.430" Cutwordco Indiana University PressCrinoids 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