Crinoid Fossil Plate - 3.247" japan and member of the house

and member of the house of Drăculești's favorite haunt

and Peruvian Blue Opal

sharp teeth

The sediment layer from which amber is mined can be dated radiometrically using zircons

Crinoid Fossil Plate - 3.247" japan and member of the houseCrinoids 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