Polished Sutured Ammonite - 2.875" Phylloceras rockinaboxromanglassfragment 418" dinosaur gastrolith from the

418" dinosaur gastrolith from the Morrison Formation in Colorado

166" Dendraster gibbsii from the San Joaquin Valley deposit

While we have several stromatolite specimens in the Mini Museum collection

and Miria M

Sediments in the K-Pg Boundary contain concentrations of the element Iridium that far exceed natural levels in the earth's crust

Polished Sutured Ammonite - 2.875" Phylloceras rockinaboxromanglassfragment 418" dinosaur gastrolith from theAmmonites are an extinct group of cephalopods that entered the fossil record 400 million years ago. This specimen is a 2. 875" polished Phylloceras fossil from Madagascar. This particular genus of ammonite had beautiful suture patterns that cross their shells like feathered jigsaw pieces and make fantastic display pieces. A stand and informational card is included with each fossil.