Isotelus sp., limestone with comp. pygidium and partial cephalon
Bob Campbell Geology Museum Formation: Holston Formation.
Alokistocare sp., complete exoskeleton in dorsal view
Bob Campbell Geology Museum Formation: Conasauga Formation.
Peronopsis sp., single complete specimen
Bob Campbell Geology Museum Formation: Conasauga Formation.
Elrathia gregoryensis, complete trilobite cast
Bob Campbell Geology Museum Formation: Conasauga Formation.
Alokistocare sp., exoskeleton in dorsal view
Bob Campbell Geology Museum Formation: Conasauga Formation.
Neodrepaneura premesnili, pygidia in matrix
Bob Campbell Geology Museum Formation: Kushan Formation.
Crilobite (Paradoxides harlani)
Bob Campbell Geology Museum 540 million years old; Formation: Braintree Slate.
Alokistocare sp., complete exoskeleton in dorsal view
Bob Campbell Geology Museum Formation: Conasauga Formation.
Trilobite (Elrathia gregoryensis)
Bob Campbell Geology Museum 530 million years old; Formation: Conasauga Formation.
Trilobite (Dicranurus monstrosus)
Bob Campbell Geology Museum 380 million years old; Formation: Megrane Formation.
Trilobite (Flexicalymene ouzregui)
Bob Campbell Geology Museum 445 million years old; Formation: Ktaoua Formation.
Alokistocare sp., complete ecoskeleton in dorsal view
Bob Campbell Geology Museum Formation: Conasauga Formation.