Brittle star (Ophiuroidea sp.)
Bob Campbell Geology Museum 450 million years old; Formation: Kataoua Formation.
Sea urchin (Cidaridae), miscellaneous spines
Bob Campbell Geology Museum Formation: Santee Limestone.
Crinoid (Crinoidea), 10 partial stems
Bob Campbell Geology Museum Formation: Altamont Limestone; Member: Amoret Limestone.
Wythella eldridgei, echinoid test embedded in limestone
Bob Campbell Geology Museum Formation: Ocala Limestone.
Pentacrinus asteriscus, 16 stem segments consisting of several fused columnals
Bob Campbell Geology Museum Formation: Sundance Formation.
Periarchus lyelli, partial test in matrix
Bob Campbell Geology Museum Formation: Tupelo Bay Formation.
Sea lily - crinoid (Forbesiocrinus multibrachiatus)
Bob Campbell Geology Museum 350 million years old; Formation: Edwardsville Formation; Donated: R.S. Campbell.
Delocrinus cf. subhemisphericus, isolated radial
Bob Campbell Geology Museum Formation: Harpersville Formation; Belknap Ls. Mbr.
Astrodaspis tumidus, dorso-ventrally falthead specimen
Bob Campbell Geology Museum Formation: Eastover Formation.
Pentremites sp., crushed, incomplete specimen in matrix
Bob Campbell Geology Museum Formation: Monteagle Limestone.
Crinoid stem coquina (Platycrinus penicillus)
Bob Campbell Geology Museum 330 million years old; Formation: St. Genevieve Formation.
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 (Crinoidea), stem fragments
Bob Campbell Geology Museum Formation: Plattsburg Limestone; Member: Spring Hill Limestone.
Oligopygus haldermani, 22 echinoid tests, oval circular outline
Bob Campbell Geology Museum Formation: Ocala Limestone.
Echinocrinus aculeata, isolated plate of an echinoid test
Bob Campbell Geology Museum Formation: Grenola Limestone.
Eurhodia rugosa, three large, anero-posteriorly elongate tests
Bob Campbell Geology Museum Formation: Santee Limestone.
Eupatagus antellarium, test is longer than wide with oval outline
Bob Campbell Geology Museum Formation: Ocala Limestone.
Purple sea urchin test (Strongylocentrotus purpuratus)
Bob Campbell Geology Museum Modern; Donated: Z. Zuber.