Devonian Fish Bone Fossils

 

These pictures are of a somewhat unique and rare fossil found in the Louisville Kentucky USA area. The almost fossil bare New Albany Shale sometimes reveals a blue material that are the fish bone remains from the late Devonian Period. These fossils were found in the Blocher Formation of Clark County, Indiana, USA. The main pieces is about 2 cm in length. 

The fossils once belonged to Barbara Conkin(1928-2019) who taught geology at Jefferson Community College. Thanks to Kenny for taking these pictures.

 

Meristella maria Brachiopod Fossil

Imprint remains of fossilized brachiopod called Meristella maria (Hall, 1863). James Hall renamed the genus Meristina (Hall, 1867). These animals lived in the Middle Silurian Period.  Fossils found in the Osgood Shale of  Napoleon, Indiana USA.

 

Holocystites gyrinus Cystoid Fossil

This fossil which appears to be a Holocystites gyrinus (Miller & Gurley, 1894) cystoid was found in Napoleon, Indiana USA. It dates to the Silurian Period  (Telychian to Sheinwoodian stage) in age. The locality is world famous for this type of fossil. It was found in the Massie Formation or Osgood Shale.