Sulcatostrophia camerata, seven isolated pedicle valves, one articulated shell
Bob Campbell Geology Museum Formation: Lime Creek Formation.
Sulcatostrophia camerata, two articulated speciments
Bob Campbell Geology Museum Formation: Lime Creek Formation.
Sulcatostrophia sp., brachiopods in matrix
Bob Campbell Geology Museum Formation: Lime Creek Formation.
Tabulate coral (Aulopora sp.)
Bob Campbell Geology Museum 425 million years old; Formation: Jeffersonville Limestone.
Tabulate coral (Syringopora sp.)
Bob Campbell Geology Museum 425 million years old; Formation: Jeffersonville Limestone.
Theodossia hungerfordi, articulated valves
Bob Campbell Geology Museum Formation: Cerro Gordo Shale.
Trilobite (Dicranurus monstrosus)
Bob Campbell Geology Museum 380 million years old; Formation: Megrane Formation.
Trilobite (Philonyx sp.)
Bob Campbell Geology Museum 380 million years old; Formation: Hamar Laghdad Formation.
Zaphrentis sp., three incomplete corals, conical, wide cir. calyx
Bob Campbell Geology Museum Formation: Citronelle Formation.