Ilymatogyra arictina Oyster Fossils

Here are two intertwined oyster fossils that appear to be Ilymatogyra arictina. It was found in the Del Rio Formation of Val Verde County, Texas, USA. It dates to the Cenomanian, Upper Cretaceous Period.

It was once part of the Steve Garza collection of Corydon, Indiana. Thanks to Dale for this specimen.

Cnemidium Sponge Fossil

The image shown is of a Cnemidium pertuscum Reuss sponge fossil at the Museo di Paleontologia at Sapienza University of Rome Italy. Animals like this existed at the time of the Upper Cretaceous Period (Cenomanian). The fossil was found in Bilin, Bohemia, Czech Republic.

Image taken in June 2014.