Last Modified 01/14/2010
(Click Photo to Enlarge) Name: Orthoceras sp. Geologic Age: Ordovician Location: Pierre Shale Formation, Custer County, South Dakota Description: Preserved in pyrite and ammolite Canada Orthoceras 1 Price: $40.00
(Click Photo to Enlarge)
Name: Orthoceras sp. Geologic Age: Ordovician Location: Pierre Shale Formation, Custer County, South Dakota Description: Preserved in pyrite and ammolite
Canada Orthoceras 1 Price: $40.00