These images are of an  Arachnophyllum mammillaire (Owen) colonial coral fossil. It was found in the Louisville Limestone of Jeffers...

This picture is of the  Petalobrissus rawdahensis  (Smith, 1995) sea urchin fossil. It existed in the Upper Cretaceous Period (Maastricht...

This picture is of several  Decameros sp.  (Comatulidae) crinoid calyx fossils. They existed in the Cretaceous Period and was found in Sp...