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.
Trilobite (Flexicalymene ouzregui)
Bob Campbell Geology Museum 445 million years old; Formation: Ktaoua Formation.
Trilobite (Dicranurus monstrosus)
Bob Campbell Geology Museum 380 million years old; Formation: Megrane Formation.
Flexicalymene meeki, isolated crinoid columnals, partial stems
Bob Campbell Geology Museum
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.
Kaskia chesterensis, exoskeleton fragments in matrix
Bob Campbell Geology Museum Formation: Floyd Shale.
Peronopsis sp., two complete exoskeletons
Bob Campbell Geology Museum Formation: Conasauga Formation.
Flexicalymene sp., spongy, fosetious limestone
Bob Campbell Geology Museum Formation: Latonia 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.
Baltagnostus centerensis, exoskeleton in dorsal view
Bob Campbell Geology Museum Formation: Conasauga Formation.
Baltagnostus centerensis, exoskeleton in dorsal view
Bob Campbell Geology Museum Formation: Conasauga Formation.
Alokistocare sp., exoskeletons in ventral view
Bob Campbell Geology Museum Formation: Conasauga Formation.
Baltagnostus centerensis, 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 (Elrathia gregoryensis)
Bob Campbell Geology Museum 530 million years old; Formation: Conasauga Formation.
Isotelus maximus, left portion of an isolated thoracic segment
Bob Campbell Geology Museum
Alokistocare sp., exoskeleton in dorsal view
Bob Campbell Geology Museum Formation: Conasauga Formation.
Alokistocare sp., complete ecoskeleton in dorsal view
Bob Campbell Geology Museum Formation: Conasauga Formation.
Peronopsis sp., natural mold of complete exoskeleton
Bob Campbell Geology Museum Formation: Conasauga Formation.
Alokistocare sp., complete exoskeleton in dorsal view
Bob Campbell Geology Museum Formation: Conasauga Formation.
Trilobite (Philonyx sp.)
Bob Campbell Geology Museum 380 million years old; Formation: Hamar Laghdad Formation.
Trilobite (Agnostus interstictus)
Bob Campbell Geology Museum 510 million years old; Formation: Wheeler Shale.
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 (Isotelus gigas)
Bob Campbell Geology Museum 460 million years old; Formation: Magouketa Formation.
Peronopsis sp., complete exoskeleton in dorsal view
Bob Campbell Geology Museum Formation: Conasauga Formation.
Alokistocare sp., complete exoskeleton in dorsal view
Bob Campbell Geology Museum Formation: Conasauga Formation.
Alokistocare sp., complete exoskeleton in dorsal view
Bob Campbell Geology Museum Formation: Conasauga Formation.
Alokistocare sp., complete exoskeleton in dorsal view
Bob Campbell Geology Museum Formation: Conasauga Formation.
Phillipsia sp., pygidium in matrix
Bob Campbell Geology Museum Formation: Plattsburg Limestone; Member: Spring Hill Limestone.
Modocia laevinucha, three incomplete ex uviae, freecheeks missing
Bob Campbell Geology Museum Formation: Marjum Formation.
Elrathia sp., left side of trilobite thorax in matrix
Bob Campbell Geology Museum Formation: Conasauga Formation.
Isotelus sp., limestone with comp. pygidium and partial cephalon
Bob Campbell Geology Museum Formation: Holston Formation.
Olenellus clarki, two partial cephalons, only anterior portion of glabella
Bob Campbell Geology Museum Formation: Latham Shale.
Trilobite (Acadoparadoxides sp.)
Bob Campbell Geology Museum 545 million years old; Formation: Jbel Wawarmast Formation.