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Crinoid (Crinoidea) Bob Campbell Geology Museum Formation: Hartsella Sandstone.
Crinoid (Crinoidea) Bob Campbell Geology Museum Formation: Monteagle Limestone.
Crinoid, calyx plate Bob Campbell Geology Museum Formation: Speiser Shale.
Crinoid (Crinoidea), partial calyx Bob Campbell Geology Museum Formation: Monteagle Limestone.
Crinoid, three calyx plates Bob Campbell Geology Museum Formation: Hartsella Sandstone.
Crinoid, nine stem segments Bob Campbell Geology Museum Formation: Monteagle Limestone.
Crinoid, 11 partial stems Bob Campbell Geology Museum Formation: Speiser Shale.
Crinoid (Crinoidea), incomplete calyx Bob Campbell Geology Museum Formation: Winfield Formation.
Crinoid (Crinoidea), nine calyx plates Bob Campbell Geology Museum Formation: Hartsella Sandstone.
Crinoid, plates from crinoid calyx Bob Campbell Geology Museum Formation: Funston Limestone.
Crinoid (Crinoidea) three calyx spines (unassociated) Bob Campbell Geology Museum Formation: Monteagle Limestone.
Crinoid (Crinoidea), 22 unassociated calyx plates Bob Campbell Geology Museum Formation: Monteagle Limestone.
Crinoid (Crinoidea), three calyx plates Bob Campbell Geology Museum Formation: Winfield Formation.
Crinoid (Crinoidea spp.), 18 stem fragments Bob Campbell Geology Museum Formation: Winfield Formation.
Crinoid (Crinoidea), 25 portions of crinoid stems Bob Campbell Geology Museum Formation: Monteagle Limestone.
Crinoid, three portions of crinoid stem Bob Campbell Geology Museum Formation: Grenola Limestone.
Crinoid (Crinoidea), 10 partial stems Bob Campbell Geology Museum Formation: Altamont Limestone; Member: Amoret Limestone.
Crinoid (Crinoidea), partial stems Bob Campbell Geology Museum Formation: Plattsburg Limestone; Member: Spring Hill Limestone.
Crinoid (Crinoidea), stem fragments Bob Campbell Geology Museum Formation: Plattsburg Limestone; Member: Spring Hill Limestone.
Crinoid (Crinoidea), incomplete stem in matrix Bob Campbell Geology Museum Formation: Altamont Limestone; Member: Amoret Limestone.
Eucalyptocrinites crassus Bob Campbell Geology Museum Formation: Waldron Shale.
Orophocrinus stelliformis Bob Campbell Geology Museum Formation: Burlington Formation
Crinoid (Jimbacrinus bostoki) sea lily Bob Campbell Geology Museum 260 million years old; Formation: Cundlego Formation.
Hydreinocrinus sp., stem section Bob Campbell Geology Museum Formation: Harpersville Formation; Belknap Ls. Mbr.
Delocrinus cf. subhemisphericus, isolated radial Bob Campbell Geology Museum Formation: Harpersville Formation; Belknap Ls. Mbr.
Delocrinus cf. subhemisphericus, isolated radial Bob Campbell Geology Museum Formation: Harpersville Formation; Belknap Ls. Mbr.
Crinoid (Endelocrinus sp.) Bob Campbell Geology Museum 287 million years old; Formation: Lecompton Limestone; Donated: Andy Epton.
Delocrinus cf. subhemisphericus, two spinous plates Bob Campbell Geology Museum Formation: Harpersville Formation; Belknap Ls. Mbr.
Crinoid stem coquina (Platycrinus penicillus) Bob Campbell Geology Museum 330 million years old; Formation: St. Genevieve Formation.
Pentacrinus asteriscus, 16 stem segments consisting of several fused columnals Bob Campbell Geology Museum Formation: Sundance Formation.
Crinoid stem coquina (Talarocrinus simplex) Bob Campbell Geology Museum 350 million years old; Formation: Salem & Warsaw Formation.
Arachnocrinus sp., partial articulated arms of a crinoid calys. Bob Campbell Geology Museum Formation: Onandaga Limestone.
Sea lily - crinoid (Forbesiocrinus multibrachiatus) Bob Campbell Geology Museum 350 million years old; Formation: Edwardsville Formation; Donated: R.S. Campbell.