Nautilus Fossil | France Formation which has been described as

which has been described as "the largest open pit coal mine in the United States

Calamites grew along rivers and wetlands

Celestine and the carbonate mineral strontianite are the principal sources of the element strontium

Spider and Bristletail specimen in authentic Burmese Amber is from the private collection of Dr

Flint occurs chiefly as nodules and masses in sedimentary rocks

Nautilus Fossil | France Formation which has been described asCenoceras sp. Jurassic (201 184 million years ago) Belmont, France Specimen approx. size: 5" x 4. 5" x 3" Cenoceras is an extinct genus of nautiloid cephalopods that thrived from the Late Triassic to the Early Cretaceous. It belongs to the order Nautilida, which includes modern nautiluses. This genus is among the most common and well documented nautiloids from the Jurassic period. Morphological Description Cenoceras had a relatively simple, involute