Bison priscus mammal fossil on display at The Museo Civico di Storia Naturale di Milano (Milan Natural History Museum), Italy as of Aug...

Here is an image of a Turbinopsis shumardi ( DeVerneuil )gastropod fossil. It existed in the Devonian Period (410-360 million years ago...

Here is an image of a polished Prismatophyllum rugose coral fossil (Petosky Stone). It existed in the Devonian Period (410-360 million ye...