Nautilus Fossil | France Formation Spider and Bristletail specimen in

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

Calamites grew along rivers and wetlands

Katarzyna & Hoşgör

Their fossil shells usually take the form of planispirals

Flint occurs chiefly as nodules and masses in sedimentary rocks

Nautilus Fossil | France Formation Spider and Bristletail specimen inCenoceras 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