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.

 

Goronyosaurus nigeriensis Mosasaur Fossil

Here is a picture of a reconstructed skull of a Goronyosaurus nigeriensis (Swinton et al., 1930) fossil at Museo di Geologia e Paleontologia Florence Italy (Università degli Studi di Firenze) in August 2024.  The creature lived during the Upper Cretaceous Period. It might have been found in Sokoto District, Nigeria Africa.