Harpoceras Ammonite | Germany chalcedony which preserve well due to

which preserve well due to their calcified structure

Notogoneus osculus and Diplomystus dentatus

eocaena specimens is about 6 inches

by the dawn of the Mesozoic era

The cave lion received its common name from the fact that large quantities of its remains are found in caves (Arduini and Teruzzi 1993)

Harpoceras Ammonite | Germany chalcedony which preserve well due toHarpoceras sp. Early Jurassic (180 MYO) Posidonia Shale Holzmaden, Germany Ammonite approx. size: 9" x 7. 75" Plate approx. size: 11. 75" x 10. 75" This Harpoceras ammonite from the Posidonia Shale in Holzmaden, Germany has been compressed on black slate and is partially pyritized. Ammonoids are a group of extinct marine mollusk animals in the subclass Ammonoidea of the class Cephalopoda. These mollusks, commonly referred to as ammonites, are more