Scaphites equalis Ammonite Fossil

The image is of a Scaphites equalis (J. de C. Sowerby, 1813) ammonite fossil from the Late Cretaceous Period (Cenomanian). Found in the Chalk Group Lower Chalk Formation of England. On display at the British Natural History Museum London as of August 2016.

Coryphodon oweni Fossil

This fossil is part of a skull of an extinct pantodont known as Coryphodon oweni. Fossil was named by Herbert in 1856. It was found in the Meudon of Sparnacian of France. This creature existed in the Paleocene and Lower Eocene Epochs of the Paleogene Period.. It was on display in August of 2016 at the  Muséum National D'Historie Paris.

Pterocrinus acutus Crinoid with Snail Fossil

This crinoid calyx appears to be a Pterocrinus acutus (Wetherby, 1879). It has a snail fossil fossilized with it. The animals existed in the Mississippian Period and were found in the Glen Dean member of Grayson County Kentucky USA.

Thanks to Kenny for images.

See more images of crinoids like this at Don R. Chesnut's web page on fossils of the Sloans Valley Member (Paragon Formation).

http://www.uky.edu/OtherOrgs/KPS/stratigraphicfauna/sloansvalleymacrofauna/pages/sloansvalleyechinodermata.html