Eutrephoceras carolinensis, incomplete steinkern, one chamber of a large nautilus
Bob Campbell Geology Museum Formation: Santee Limestone.
Ammonite (Asteroceras stellare)
Bob Campbell Geology Museum 200 million years old; Formation: Frodingham Ironstone; Donated: H. Abercrombie.
Ammonite (Dactylioceras commune)
Bob Campbell Geology Museum 190 million years old; Formation: Witby Mudstone; Donated: H. Abercrombie.
Belemnitella Americana, posterior end of an elongate, narrow conical guard with blunt apex
Bob Campbell Geology Museum
Ammonite (Eopachydiscus marcianus)
Bob Campbell Geology Museum 100 million years old; Formation: Duck Creek Limestone; Donated: Mr. and Mrs. Alvin Gosnell.
Ammonite (Mortaniceras equidistans)
Bob Campbell Geology Museum 100 million years old; Formation: Duck Creek Limestone; Donated: Mr. and Mrs. Alvin Gosnell.