Patystrophia ponderosa, brachiopods in matrix
Bob Campbell Geology Museum Formation: McMillan Formation.
Platystrophia clarkensis, articulated specimen
Bob Campbell Geology Museum Formation: Bull Fork Formation.
Platystrophia ponderosa, articulated specimen in matrix
Bob Campbell Geology Museum Formation: McMillan Formation.
Platystrophia ponderosa, brachiopods in matrix
Bob Campbell Geology Museum Formation: McMillan Formation.
Productella sp., 15 articulated shells and isolated valves
Bob Campbell Geology Museum Formation: Lime Creek Formation.
Pseudoatrypa (Atrypa) devoniana, 11 articulated specimens and isolated valves
Bob Campbell Geology Museum Formation: Lime Creek Formation.
Pseudoatrypa devoniana, one pedicle valve, two articulated specimens
Bob Campbell Geology Museum Formation: Lime Creek Formation.
Rafinesquina aff. ponderosa, articulated specimen, brachial and pedicle valves
Bob Campbell Geology Museum Formation: Cincinnatian Series.
Rafinesquina aff. ponderosa, brachial valve in matrix
Bob Campbell Geology Museum Formation: Cincinnatian Series.
Rafinesquina aff. ponderosa, isolated valves in matrix
Bob Campbell Geology Museum Formation: Cincinnatian Series.
Rafinesquina cf. ponderosam, pedicle valve
Bob Campbell Geology Museum Formation: Cincinnatian Series.
Rafinesquina sp., isolated valves in matrix
Bob Campbell Geology Museum Formation: McMillan Formation.
Reticulatia (Dictyoclostus) Bassi, pedicle valve
Bob Campbell Geology Museum Formation: Moran Formation; Horse Creek Limestone.
Reticulatia americanus, articulated specimen
Bob Campbell Geology Museum Formation: Harpersville Formation; Bellknap Ls. Member.
Reticulatia sp., four specimens in matrix
Bob Campbell Geology Museum Formation: Altamont Limestone; Member: Amoret Limestone.
Reticulatia sp., three crushed articulated specimens
Bob Campbell Geology Museum Formation: Plattsburg Limestone; Member: Spring Hill Limestone.
Reticulatia sp., three crushed specimens
Bob Campbell Geology Museum Formation: Altamont Limestone; Member: Amoret Limestone.
Reticulatia sp., two pedicle valves
Bob Campbell Geology Museum Formation: Altamont Limestone; Member: Amoret Limestone.
Spinatrypa sp., seven articulated specimens
Bob Campbell Geology Museum Formation: Lime Creek Formation.
Spiriferida sp., pedicle valve
Bob Campbell Geology Museum Formation: Plattsburg Limestone; Member: Spring Hill Limestone.
Strophomena aff. Planoconvexa, disarticulated valves
Bob Campbell Geology Museum Formation: Fairview Formation.
Strophomena sp., pedicle valves in matrix
Bob Campbell Geology Museum Formation: McMillan Formation.
Strophomena sp., pedicle valves in matrix
Bob Campbell Geology Museum Formation: McMillan Formation.
Strophomenida brachiopod, 23 valves and articulated specimens
Bob Campbell Geology Museum Formation: Hartsella Sandstone.
Strophomenida brachiopod, articulated specimen
Bob Campbell Geology Museum Formation: Hartsella Sandstone.
Strophomenida brachiopod, two articulated specimens
Bob Campbell Geology Museum Formation: Monteagle Limestone.
Strophonelloides deeringi, two articulated specimens
Bob Campbell Geology Museum Formation: Lime Creek Formation.
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.
Terebratulid, steinkern (articulated valves)
Bob Campbell Geology Museum Formation: Harleyville Formation.
Terebratulida brachiopod, two articulated shells
Bob Campbell Geology Museum Formation: Hartsella Sandstone.
Terebratulida brachiopod, two crushed shells
Bob Campbell Geology Museum Formation: Monteagle Limestone.
Terebratulidae brachiopod, 18 articulated specimens
Bob Campbell Geology Museum Formation: Hartsella Sandstone.
Terebratulina sp., five articulated specimens
Bob Campbell Geology Museum Formation: Santee Limestone.
Terebratulina sp., five articulated specimens
Bob Campbell Geology Museum Formation: Santee Limestone.
Terebratulina sp., four articulated brachiopods
Bob Campbell Geology Museum Formation: Santee Limestone.
Terebratulina sp., four articulated specimens
Bob Campbell Geology Museum Formation: Santee Limestone.
Terebratulina sp., seven articulated specimens
Bob Campbell Geology Museum Formation: Santee Limestone.
Terebratulina sp., two articulated specimens
Bob Campbell Geology Museum Formation: Santee Limestone.
Terebratulina sp., two articulated specimens
Bob Campbell Geology Museum Formation: Santee Limestone.
Terebratulina sp., two brachial valves, two complete specimens
Bob Campbell Geology Museum Formation: Santee Limestone.
Theodossia hungerfordi, articulated valves
Bob Campbell Geology Museum Formation: Cerro Gordo Shale.
Wellerella osagensis, one isolated pedicle valve, four articulated shells
Bob Campbell Geology Museum Formation: Hughes Creek Shale.