Theodossia hungerfordi, articulated valves
Bob Campbell Geology Museum Formation: Cerro Gordo Shale.
Hebertella occidentalis, brachiopods in matrix
Bob Campbell Geology Museum Formation: Fairview Formation.
Composita sp., two crushed, articulated specimens
Bob Campbell Geology Museum Formation: Hartsella Sandstone.
Terebratulina sp., seven articulated specimens
Bob Campbell Geology Museum Formation: Santee Limestone.
Anthracospirifer increbescensis, articulated specimen in matrix
Bob Campbell Geology Museum Formation: Hartsella Sandstone.
Nervostrophia sp., articulated specimen
Bob Campbell Geology Museum Formation: Lime Creek Formation.
Cyrtospirifer whitneyi, articulated valves
Bob Campbell Geology Museum Formation: Cerro Gordo Shale.
Terebratulina sp., two articulated specimens
Bob Campbell Geology Museum Formation: Santee Limestone.
Terebratulina sp., four articulated specimens
Bob Campbell Geology Museum Formation: Santee Limestone.
Platystrophia ponderosa, brachiopods in matrix
Bob Campbell Geology Museum Formation: McMillan Formation.
Patystrophia ponderosa, brachiopods in matrix
Bob Campbell Geology Museum Formation: McMillan Formation.
Terebratulina sp., five articulated specimens
Bob Campbell Geology Museum Formation: Santee Limestone.