This fossil which appears to be a Holocystites gyrinus (Miller & Gurley, 1894) cystoid was found in Napoleon, Indiana USA. It dates to...

Here is a picture of a reconstructed skull of a  Goronyosaurus nigeriensis (Swinton et al., 1930) fossil at Museo di Geologia e Paleontolog...

  Here is a picture of a woolly rhinoceras skull of a Coelodonta antiquitatis ( Blumenbach , 1799) fossil at Museo di Geologia e Paleontolo...