The Italian Paleontological Society (SPI) puts professionals and amateurs in contact with each other to exchange knowledge, ideas and images of the organisms which inhabited the Earth during geological time, and of their remains and traces.
Fishes, insects and leaves on diatomaceous earth
Gorgeously beautiful reefs
A cliff of fossils
A small hidden trasure
"Dwarf snails" and Quaternary bones
A naturalist at the Granduke's court