Belemnite guard (Belemnitella americana)
Bob Campbell Geology Museum 67 million years old; Formation: Peedee Formation.
Fish (Peipiaosteus pani)
Bob Campbell Geology Museum 125 million years old; Formation: Jiufotang Formation.
Oyster (Exogyra ponderosa)
Bob Campbell Geology Museum 73 million years old; Formation: Marlbrook Marl.
Ammonite (Sphenodiscus lenticularis)
Bob Campbell Geology Museum 67 million years old; Formation: Fox Hills Sandstone.
Tympanotonus cretaceus, matrix-filled shell
Bob Campbell Geology Museum Formation: Cerro del Pueblo Formation.
Crab (Notopocorystes dicrous)
Bob Campbell Geology Museum 92 million years old; Formation: Britton Formation; Donated: Shawn Hamm.
Scabrotrigonia eufaulensis, articulated valves
Bob Campbell Geology Museum Formation: Peedee Formation.
Crab (Avitelmessus grapsoideus)
Bob Campbell Geology Museum 70 million years old; Formation: Ripley Formation; Donated: R.S. Campbell.
Cardium sp., right valve steinkern in matrix
Bob Campbell Geology Museum Formation: Peedee Formation.