Platystrophia ponderosa, articulated specimen in matrix
Bob Campbell Geology Museum Formation: McMillan Formation.
Strophomena sp., pedicle valves in matrix
Bob Campbell Geology Museum Formation: McMillan Formation.
Rafinesquina cf. ponderosam, pedicle valve
Bob Campbell Geology Museum Formation: Cincinnatian Series.
Brittle star (Ophiuroidea sp.)
Bob Campbell Geology Museum 450 million years old; Formation: Kataoua Formation.
Strophomena aff. Planoconvexa, disarticulated valves
Bob Campbell Geology Museum Formation: Fairview Formation.
Trace fossil burrows (Ichnites), burrows in matrix
Bob Campbell Geology Museum Formation: Cincinnatian Series.
Isotelus maximus, left portion of an isolated thoracic segment
Bob Campbell Geology Museum
Ambonychia sp., limestone with impression/ mussel shell
Bob Campbell Geology Museum Formation: McMillan Formation.
Rafinesquina aff. ponderosa, brachial valve in matrix
Bob Campbell Geology Museum Formation: Cincinnatian Series.
Trilobite (Isotelus gigas)
Bob Campbell Geology Museum 460 million years old; Formation: Magouketa Formation.
Grewingkia canadensis, two incomplete solitary rugose corals
Bob Campbell Geology Museum Formation: McMillan Formation.
Rafinesquina aff. ponderosa, isolated valves in matrix
Bob Campbell Geology Museum Formation: Cincinnatian Series.
Cyclomera inflatum, limestone filled calcite replaced shell
Bob Campbell Geology Museum Formation: Fairview Formation.
Grewingkia canadensis, three solitary homcorals, long and conical
Bob Campbell Geology Museum Formation: McMillan Formation.
Grewingkia canadensis. two solitary rugose corals in limestone
Bob Campbell Geology Museum Formation: McMillan Formation.
Grewingkia canadensis, large rugose coral, embedded in limestone
Bob Campbell Geology Museum Formation: McMillan Formation.
Grewingkia canadensis, limestone fragment with two rugose corals
Bob Campbell Geology Museum Formation: McMillan Formation.
Favistina stellata, colonial rugose coral with 12 short septa
Bob Campbell Geology Museum Formation: McMillan Formation.
Rafinesquina aff. ponderosa, articulated specimen, brachial and pedicle valves
Bob Campbell Geology Museum Formation: Cincinnatian Series.
Ammonite (Trilacinoceras humanese)
Bob Campbell Geology Museum 450 million years old; Formation: La et Tsi; Donated: H. Abercrombie.