Arachnophyllum Colonial Coral Fossil

These images are of an Arachnophyllum mammillaire (Owen) colonial coral fossil. It was found in the Louisville Limestone of Jefferson County, Kentucky. The fossil dates to the Middle Silurian Period.

Thanks to Kenny for letting me take pictures of it.

Petalobrissus rawdahensis Sea Urchin Fossil

This picture is of the Petalobrissus rawdahensis (Smith, 1995) sea urchin fossil. It existed in the Upper Cretaceous Period (Maastrichtian) and was found in Omán (Jebel Rawdah). Specimen is about 1.5 cm in diameter.

Thanks to Herb for letting me photograph it.

Decameros Crinoid Calyx Fossils

This picture is of several Decameros sp. (Comatulidae) crinoid calyx fossils. They existed in the Cretaceous Period and was found in Spain (Morella or Castellón). Specimens range in size to about 1 cm to 2 cm in diameter.

Thanks to Herb for letting me photograph it.