Eutrephoceras carolinensis, incomplete steinkern, one chamber of a large nautilus
Bob Campbell Geology Museum Formation: Santee Limestone.
Harpoceras falciferum, crushed shell in matrix
Bob Campbell Geology Museum Formation: Posidonienschiefer.
Nautiloid (Eutrephoceras dekayi)
Bob Campbell Geology Museum 70 million years old; Formation: Pierre Shale.
Nautiloid (Nautiloidea), partial shell in matrix
Bob Campbell Geology Museum Formation: Plattsburg Limestone; Member: Spring Hill Limestone.
Nautiloidea sp., fragmacone cast
Bob Campbell Geology Museum 430 million years old; Formation: Jeffersonville Limestone.
Orthoceras sp.
Bob Campbell Geology Museum Donated: Mr. Robert J. Schabilion; In memory: Betty L. Newton Curator.