Ammonoids Gallery

Ammonoids were squidlike creatures that lived inside an external shell. Their fossils are fairly common in the Cretaceous rocks of western Kansas. They are also found in Pennsylvanian and Permian outcrops in the eastern part of the state.
Ammonoids from Pennsylvanian rocks

Ammonoids from Pennsylvanian Rocks in Southeastern Kansas

Two ammonoids from Pennsylvanian rocks in southeastern Kansas. Top: Specimen from the Eudora Shale Member, Montgomery County, belongs to the genus Goniatites. Bottom: Specimen from the Drum Limestone, near Independence, is Schistoceras missouriense.

Baculites specimens

Baculites

Baculites is a common, straight-shelled ammonoid (specimens Upper Cretaceous in age from the Pierre Shale in Logan County).