Here is a picture of a bivalve fossil housed in a display case at the Geologia building located on the campus of Sapienza University of Rome. The case can be found on the second floor of the building. The fossil is called Megalodon gumbeli and lived during the Triassic Period. The paleontology museum is on the 3rd floor of this building and houses many more fossils from their collection.
The university was founded in 1303 by Pope Boniface VIII. In 1870, it became a public university for the state of Italy.
Sources:
http://commons.wikimedia.org/wiki/File:Megalodon_gumbeli_1.JPG
