"Cardium" craticuloide, articulated specimen
Bob Campbell Geology Museum Formation: Eastover Formation.
Aligena aequata, isolated valves and articulated specimens
Bob Campbell Geology Museum Formation: Eastover Formation.
Ambonychia sp., limestone with impression/ mussel shell
Bob Campbell Geology Museum Formation: McMillan Formation.
Ammonite (Agoniatites sp.)
Bob Campbell Geology Museum 350 million years old; Donated: H. Abercrombie.
Ammonite (Alligaticeras sp.)
Bob Campbell Geology Museum 180 million years old; Donated: H. Abercrombie.
Ammonite (Arietites bucklandi)
Bob Campbell Geology Museum 190 million years old; Formation: Lias Formation.
Ammonite (Asteroceras stellare)
Bob Campbell Geology Museum 200 million years old; Formation: Frodingham Ironstone; Donated: H. Abercrombie.
Ammonite (Conlinoceras tarrantense)
Bob Campbell Geology Museum 95 million years old; Formation: Woodbine Formation; Donated: Shawn Hamm.
Ammonite (Dactylioceras commune)
Bob Campbell Geology Museum 190 million years old; Formation: Witby Mudstone; Donated: H. Abercrombie.
Ammonite (Dactylioceras sp.)
Bob Campbell Geology Museum 180 million years old; Formation: Upper Lias Clay; Donated: Kermit Watson.
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 (Pleuroceras spinatum)
Bob Campbell Geology Museum 180 million years; Formation: Lias Formation; Donated: H. Abercrombie.
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.
Ammonite (Trilacinoceras humanese)
Bob Campbell Geology Museum 450 million years old; Formation: La et Tsi; Donated: H. Abercrombie.
Amusium ocalanum, single left valve embedded in matrix
Bob Campbell Geology Museum Formation: Ocala Limestone.
Anadara staminaea, six left valves, four right valves
Bob Campbell Geology Museum Formation: Eastover Formation.
Anadara virginae, six left valves and five right valves, one articulated specimen
Bob Campbell Geology Museum Formation: Eastover Formation.
Anomia argentariam, 13 unassociated right and left valves
Bob Campbell Geology Museum Formation: Peedee Formation.