Ptychagnostus sp., elrathia kingii wheeler shale
Bob Campbell Geology Museum Formation: Wheeler Shale.
Neodrepaneura premesnili, pygidia in matrix
Bob Campbell Geology Museum Formation: Kushan Formation.
Peronopsis sp., single complete specimen
Bob Campbell Geology Museum Formation: Conasauga Formation.
Peronopsis sp., two complete exoskeletons
Bob Campbell Geology Museum Formation: Conasauga Formation.
Elrathia gregoryensis, complete trilobite cast
Bob Campbell Geology Museum Formation: Conasauga Formation.
Peronopsis sp., two complete exoskeletons
Bob Campbell Geology Museum Formation: Conasauga Formation.
Alokistocare sp., exoskeleton in dorsal view
Bob Campbell Geology Museum Formation: Conasauga Formation.
Alokistocare sp., exoskeleton in dorsal view
Bob Campbell Geology Museum Formation: Conasauga Formation.
Alokistocare sp., exoskeleton in dorsal view
Bob Campbell Geology Museum Formation: Conasauga Formation.
Trilobite (Asaphiscus wheeleri)
Bob Campbell Geology Museum 500 million years old; Donated: H. Abercrombie.