Fossil Crinoids, 350 million years old from the early Carboniferous Period, Indiana

- Image ID: H5C00H
Fossil Crinoids, 350 million years old from the early Carboniferous Period, Indiana
Tom Stack Assoc. / Alamy Stock Photo
Image ID: H5C00H
Fossil Crinoids, 350 million years old from the early Carboniferous Period, Indiana