Here are some pictures of a reptile like amphibian that lived during the Permian Period. It is from the mobile phone game Jurassic World ...

This is a picture of an intact blastoid. These types of fossils are somewhat rare. It appears to be an  Elaeacrinus verneuili (Römer [aka...

These pictures are what appear to be dorsal calyx cups from an Agassizocrinus  Troost 1850 ( nomen nudum ) Owen and Shumard 1852 fossil c...