Horn coral (Helicophyllum sp.)
Bob Campbell Geology Museum 425 million years old; Formation: Jeffersonville Limestone.
Tabulate coral (Syringopora sp.)
Bob Campbell Geology Museum 425 million years old; Formation: Jeffersonville Limestone.
Hydractinia multispinosa, 7 fragments of shell-like chitinous material
Bob Campbell Geology Museum Formation: Eastover Formation.
Heliophyllum (Heliophyllum sp.) silicified section of solitary horn coal
Bob Campbell Geology Museum
Lophophyllidium proliferum, eight specimens
Bob Campbell Geology Museum Formation: Plattsburg Limestone; Member: Spring Hill Limestone.
Astrhelia sp., three large fragments of branching colonial coral
Bob Campbell Geology Museum Formation: Yorktown Formation.
Astrhelia sp., stout ebony with a thick walled skeleton
Bob Campbell Geology Museum Formation: Coastal plain deposits.
Septustrea marylandica, three coral specimens
Bob Campbell Geology Museum Formation: Eastover Formation.
Lophophyllidium proliferum, sing. coral, slightly curving
Bob Campbell Geology Museum Formation: Graham Formation.
Favosites canadensis, massive colony with long, narrow, closely packed corallites
Bob Campbell Geology Museum Formation: Onandaga Limestone; Nedrow mem.
Favistina stellata, colonial rugose coral with 12 short septa
Bob Campbell Geology Museum Formation: McMillan Formation.
Grewingkia canadensis, two incomplete solitary rugose corals
Bob Campbell Geology Museum Formation: McMillan Formation.
Coral 'Petosky Stone' (Hexagonaria percarinata), state stone of Michigan
Bob Campbell Geology Museum 350 million years old; Donated: H. Abercrombie.
Zaphrentis sp., three incomplete corals, conical, wide cir. calyx
Bob Campbell Geology Museum Formation: Citronelle Formation.
Astrangia conradi, seven small coral colonies
Bob Campbell Geology Museum Formation: Eastover Formation.
Zaphrentis aff. spinosa, four incomplete corals
Bob Campbell Geology Museum Formation: Monteagle Limestone.
Grewingkia canadensis. two solitary rugose corals in limestone
Bob Campbell Geology Museum Formation: McMillan Formation.
Colonial coral (Sleractinia)
Bob Campbell Geology Museum Formation: Coastal plain deposits; Donated: Mr. and Mrs. Ulmer Eaddy.
Heterophrentis sp., short, curving conical corals
Bob Campbell Geology Museum Formation: Lime Creek Formation.
Endopachys sp., steinkern of internal matrix
Bob Campbell Geology Museum Formation: Santee Limestone.
Stony coral (Seleractinia), natural mold of skeleton in matrix
Bob Campbell Geology Museum Formation: Santee Limestone.
Tabulate coral (Aulopora sp.)
Bob Campbell Geology Museum 425 million years old; Formation: Jeffersonville Limestone.
Cellepora cf. massalis, two partial colonies
Bob Campbell Geology Museum Formation: Eastover Formation.
Colonial horn coral (Hexagonaria sp.)
Bob Campbell Geology Museum 325 million years old; Formation: Salem & Warsaw Formation.
Lophophyllidium proliferum, three small corals
Bob Campbell Geology Museum Formation: Grenola Limestone.
Grewingkia canadensis, large rugose coral, embedded in limestone
Bob Campbell Geology Museum Formation: McMillan Formation.
Chain coral (Halysites sp.)
Bob Campbell Geology Museum 440 million year old; Formation: Allan Bay Formation; Donated: Jody Tinsley.
Lophophyllidium proliferum, sol. coral, thing slightly curving conical theca
Bob Campbell Geology Museum Formation: Graham Formation.
Streptelasma sp., three incomplete corals, elongated, narrow and sharply tapering
Bob Campbell Geology Museum Formation: Whitewood Formation.
Astrangia sp., oyster valve covered by coral growth
Bob Campbell Geology Museum Formation: Caloosahatche Formation.
Heterophrentis sp., short, cuning conical corals
Bob Campbell Geology Museum Formation: Lime Creek Formation.
Grewingkia canadensis, limestone fragment with two rugose corals
Bob Campbell Geology Museum Formation: McMillan Formation.
Coral, four fragments of branching scheraetinian corals
Bob Campbell Geology Museum Formation: Tamiami Formation.
Endopachys sp., steinkern (internal morphology) in matrix
Bob Campbell Geology Museum Formation: Santee Limestone.
Lophophyllidium proliferum, small, isolated horn coral, conical
Bob Campbell Geology Museum Formation: Oread Formation.
Endopachys sp., steinkern showing internal morphology
Bob Campbell Geology Museum Formation: Tupelo Bay Formation.
Grewingkia canadensis, three solitary homcorals, long and conical
Bob Campbell Geology Museum Formation: McMillan Formation.