Ammonite (Conlinoceras tarrantense)
Bob Campbell Geology Museum 95 million years old; Formation: Woodbine Formation; Donated: Shawn Hamm.
Ammonite (Desmoceras sp.)
Bob Campbell Geology Museum 110 million years old; Donated: H. Abercrombie.
Ammonite (Didymoceras sp.)
Bob Campbell Geology Museum 73 million years old; Formation: Pierre Shale.
Ammonite (Eopachydiscus marcianus)
Bob Campbell Geology Museum 100 million years old; Formation: Duck Creek Limestone; Donated: Mr. and Mrs. Alvin Gosnell.
Ammonite (Hamites maximus)
Bob Campbell Geology Museum 100 million years old; Formation: Gault Clay Formation.
Ammonite (Mortaniceras equidistans)
Bob Campbell Geology Museum 100 million years old; Formation: Duck Creek Limestone; Donated: Mr. and Mrs. Alvin Gosnell.
Ammonite (Placenticeras sp.)
Bob Campbell Geology Museum 70 million years old; Formation: Bearpaw Shale.
Ammonite (Rhaeboceras sp.)
Bob Campbell Geology Museum 69 million years old; Formation: Bearpaw Shale.
Ammonite (Sphenodiscus lenticularis)
Bob Campbell Geology Museum 67 million years old; Formation: Fox Hills Sandstone.
Anomia argentariam, 13 unassociated right and left valves
Bob Campbell Geology Museum Formation: Peedee Formation.
Anomoeodus phaseolus, partial palatal tooth
Bob Campbell Geology Museum Formation: Peedee Formation.
Architectonica voragiformis, incomplete steinkern
Bob Campbell Geology Museum Formation: Peedee Formation.
Belemnite guard (Belemnitella americana)
Bob Campbell Geology Museum 67 million years old; Formation: Peedee Formation.
Belemnitella Americana, posterior end of an elongate, narrow conical guard with blunt apex
Bob Campbell Geology Museum
Cardium sp., right valve steinkern in matrix
Bob Campbell Geology Museum Formation: Peedee Formation.
Clam (Phlaclomya), three clam steinkerns composed of black
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.
Crab (Notopocorystes dicrous)
Bob Campbell Geology Museum 92 million years old; Formation: Britton Formation; Donated: Shawn Hamm.
Crassatella sp., two rock fragments with valve casts
Bob Campbell Geology Museum Formation: Peedee Formation.