Harpoceras falciferum, crushed shell in matrix
Bob Campbell Geology Museum Formation: Posidonienschiefer.
Ammonite (Alligaticeras sp.)
Bob Campbell Geology Museum 180 million years old; Donated: H. Abercrombie.
Ammonite (Agoniatites sp.)
Bob Campbell Geology Museum 350 million years old; Donated: H. Abercrombie.
Ammonite (Desmoceras sp.)
Bob Campbell Geology Museum 110 million years old; Donated: H. Abercrombie.
Ammonite (Dactylioceras sp.)
Bob Campbell Geology Museum 180 million years old; Formation: Upper Lias Clay; Donated: Kermit Watson.
Eutrephoceras carolinensis, chamber steinkern
Bob Campbell Geology Museum Formation: Santee Limestone.
Ammonite (Placenticeras sp.)
Bob Campbell Geology Museum 70 million years old; Formation: Bearpaw Shale.
Nautiloidea sp., fragmacone cast
Bob Campbell Geology Museum 430 million years old; Formation: Jeffersonville Limestone.
Belemnite guard (Pachyteuthis olensis)
Bob Campbell Geology Museum 160 million years old; Formation: Sundance Formation.
Orthoceras sp.
Bob Campbell Geology Museum Donated: Mr. Robert J. Schabilion; In memory: Betty L. Newton Curator.
Ammonite (Rhaeboceras sp.)
Bob Campbell Geology Museum 69 million years old; Formation: Bearpaw Shale.
Nautiloid (Eutrephoceras dekayi)
Bob Campbell Geology Museum 70 million years old; Formation: Pierre Shale.
Ammonite (Didymoceras sp.)
Bob Campbell Geology Museum 73 million years old; Formation: Pierre Shale.
Ammonite (Arietites bucklandi)
Bob Campbell Geology Museum 190 million years old; Formation: Lias Formation.
Cardioceras sp., frags. of two steinkerns and partial impression
Bob Campbell Geology Museum Formation: Sundance.
Belemnite guard (Belemnitella americana)
Bob Campbell Geology Museum 67 million years old; Formation: Peedee Formation.
Nautiloid (Nautiloidea), partial shell in matrix
Bob Campbell Geology Museum Formation: Plattsburg Limestone; Member: Spring Hill Limestone.
Ammonite (Hamites maximus)
Bob Campbell Geology Museum 100 million years old; Formation: Gault Clay Formation.
Ammonite (Sphenodiscus lenticularis)
Bob Campbell Geology Museum 67 million years old; Formation: Fox Hills Sandstone.
Ammonite (Trilacinoceras humanese)
Bob Campbell Geology Museum 450 million years old; Formation: La et Tsi; Donated: H. Abercrombie.
Ammonite (Pleuroceras spinatum)
Bob Campbell Geology Museum 180 million years; Formation: Lias Formation; Donated: H. Abercrombie.
Ammonite (Conlinoceras tarrantense)
Bob Campbell Geology Museum 95 million years old; Formation: Woodbine Formation; Donated: Shawn Hamm.