Cedar Wood Slab | Washington Phareodus Ammonoids are a group of

Ammonoids are a group of extinct marine mollusk animals in the subclass Ammonoidea of the class Cephalopoda

They were fast moving

both in the 18-inch layer and the sandwich beds

Whether they persisted until this catastrophic event or succumbed to earlier environmental shifts remains a subject of ongoing paleontological investigation

The size of this male has been exceeded by other specimens of cave lions

Cedar Wood Slab | Washington Phareodus Ammonoids are a group ofCedar Miocene Washington Approx. size: 12" x 11" x 0. 75" Stand not included. This gorgeous slab of petrified Cedar wood comes from Washington. It boasts a substantial size, aesthetic shape, well preserved growth rings, and intricate wood structure. One side has been polished to a glossy finish. Petrified wood is formed through a process called permineralization, where mineral rich groundwater replaces the original organic material. This process