Crinoid Fossil Plate - 3.430" Cutwordco a system of large lakes

a system of large lakes covered hundreds of square miles across the modern-day intersection of Utah

“Chondritic Meteorites and the Formation of Planets: Leftover Raw Materials from the Beginning of the Solar System Provide Insights into the Way the Planets Were Assembled

209" on the longest edge

Indiana University Press

a period where cyanobacteria photosynthesized massive amounts of free oxygen

Crinoid Fossil Plate - 3.430" Cutwordco a system of large lakesCrinoids 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