Arachnocrinus sp., partial articulated arms of a crinoid calys.
Bob Campbell Geology Museum Formation: Onandaga Limestone.
Astrodaspis tumidus, dorso-ventrally falthead specimen
Bob Campbell Geology Museum Formation: Eastover Formation.
Blastoid (Pentremites godoni)
Bob Campbell Geology Museum 325 million years old; Formation: Paint Creek Formation.
Brittle star (Ophiuroidea sp.)
Bob Campbell Geology Museum 450 million years old; Formation: Kataoua Formation.
Crinoid (Crinoidea spp.), 18 stem fragments
Bob Campbell Geology Museum Formation: Winfield Formation.
Crinoid (Crinoidea) three calyx spines (unassociated)
Bob Campbell Geology Museum Formation: Monteagle Limestone.
Crinoid (Crinoidea), 10 partial stems
Bob Campbell Geology Museum Formation: Altamont Limestone; Member: Amoret Limestone.
Crinoid (Crinoidea), 22 unassociated calyx plates
Bob Campbell Geology Museum Formation: Monteagle Limestone.
Crinoid (Crinoidea), 25 portions of crinoid stems
Bob Campbell Geology Museum Formation: Monteagle Limestone.
Crinoid (Crinoidea), incomplete stem in matrix
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 (Endelocrinus sp.)
Bob Campbell Geology Museum 287 million years old; Formation: Lecompton Limestone; Donated: Andy Epton.
Crinoid (Jimbacrinus bostoki) sea lily
Bob Campbell Geology Museum 260 million years old; Formation: Cundlego Formation.
Crinoid stem coquina (Platycrinus penicillus)
Bob Campbell Geology Museum 330 million years old; Formation: St. Genevieve Formation.
Crinoid stem coquina (Talarocrinus simplex)
Bob Campbell Geology Museum 350 million years old; Formation: Salem & Warsaw Formation.
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.
Delocrinus cf. subhemisphericus, two spinous plates
Bob Campbell Geology Museum Formation: Harpersville Formation; Belknap Ls. Mbr.
Dendraster gibsii, 7 isolated tests and one cluster of 4
Bob Campbell Geology Museum Formation: Etchegoin Formation.
Echinocrinus aculeata, isolated plate of an echinoid test
Bob Campbell Geology Museum Formation: Grenola Limestone.
Enallaster texanus, complete test
Bob Campbell Geology Museum Formation: Fredericksburg Formation; Goodland Ls. Mbr.
Enallaster texanus, complete test
Bob Campbell Geology Museum Formation: Fredericksburg Formation; Goodland Ls. Mbr.
Encope aff. Macrophora, dorso-ventrally flattened specimen
Bob Campbell Geology Museum Formation: Eastover Formation.
Encope tamiamiensis, two tests with roughly circular outlines
Bob Campbell Geology Museum Formation: Tamiami Formation.
Eupatagus antellarium, test is longer than wide with oval outline
Bob Campbell Geology Museum Formation: Ocala Limestone.