UK Ammonite Hoploscaphites IF-UKA-17-001 Petrified Palm The tooth is prepared in

The tooth is prepared in its original matrix

The upper or hard portion

which are native to the American

Ceratosaurus(

Ceratosaurus (from Greek keratos 'horn' and sauros 'lizard') was a carnivorous theropod dinosaur that lived in the Late Jurassic period (Kimmeridgian to Tithonian ages)

UK Ammonite Hoploscaphites IF-UKA-17-001 Petrified Palm The tooth is prepared inHoploscaphites brevis with Baculites compressus Pierre Formation Upper Cretaceous (Campanian) Pennington County, South Dakota Seen here is an excellent example of the macroconch form of H. brevis. The specimen has the original shell, and it has some red iridescent on the living chamber. Some of the sutures are visible on the phragmocone. This specimen has very well defined nodes typical of the species. It is complete all the way to the aperture. The