Crinoid (Crinoidea), 10 partial stems
Bob Campbell Geology Museum Formation: Altamont Limestone; Member: Amoret Limestone.
Crinoid (Jimbacrinus bostoki) sea lily
Bob Campbell Geology Museum 260 million years old; Formation: Cundlego Formation.
Brittle star (Ophiuroidea sp.)
Bob Campbell Geology Museum 450 million years old; Formation: Kataoua Formation.
Crinoid (Crinoidea), partial stems
Bob Campbell Geology Museum Formation: Plattsburg Limestone; Member: Spring Hill Limestone.
Wythella eldridgei, echinoid test embedded in limestone
Bob Campbell Geology Museum Formation: Ocala Limestone.
Crinoid (Crinoidea), stem fragments
Bob Campbell Geology Museum Formation: Plattsburg Limestone; Member: Spring Hill Limestone.
Pentremites sp., crushed, incomplete specimen in matrix
Bob Campbell Geology Museum Formation: Monteagle Limestone.
Sea urchin (Cidaridae), miscellaneous spines
Bob Campbell Geology Museum Formation: Santee Limestone.
Oligopygus haldermani, 22 echinoid tests, oval circular outline
Bob Campbell Geology Museum Formation: Ocala Limestone.
Hydreinocrinus sp., stem section
Bob Campbell Geology Museum Formation: Harpersville Formation; Belknap Ls. Mbr.
Blastoid (Pentremites godoni)
Bob Campbell Geology Museum 325 million years old; Formation: Paint Creek Formation.
Crinoid (Crinoidea), incomplete stem in matrix
Bob Campbell Geology Museum Formation: Altamont Limestone; Member: Amoret Limestone.
Wythella eldridgei, 32 echinoid tests, very thin, oval outline
Bob Campbell Geology Museum Formation: Ocala Limestone.
Phymosoma texanum, complete test
Bob Campbell Geology Museum Formation: Fredericksburg Formation; Goodland Ls.
Rhyncholampas gouldii, three tests with roughly circular outline
Bob Campbell Geology Museum Formation: Ocala Limestone.
Encope tamiamiensis, two tests with roughly circular outlines
Bob Campbell Geology Museum Formation: Tamiami Formation.
Periarchus lyelli, partial test in matrix
Bob Campbell Geology Museum Formation: Tupelo Bay Formation.
Delocrinus cf. subhemisphericus, isolated radial
Bob Campbell Geology Museum Formation: Harpersville Formation; Belknap Ls. Mbr.
Eurhodia rugosa, two antero-posteriorly elongate tests
Bob Campbell Geology Museum Formation: Santee Limestone.
Enallaster texanus, complete test
Bob Campbell Geology Museum Formation: Fredericksburg Formation; Goodland Ls. Mbr.
Delocrinus cf. subhemisphericus, isolated radial
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.
Crinoid (Endelocrinus sp.)
Bob Campbell Geology Museum 287 million years old; Formation: Lecompton Limestone; Donated: Andy Epton.
Enallaster texanus, complete test
Bob Campbell Geology Museum Formation: Fredericksburg Formation; Goodland Ls. Mbr.
Wythella eldridgei, test of weldridgei assoc. with oligopygus harlani
Bob Campbell Geology Museum Formation: Ocala Limestone.
Sea urchin, 29 ineom. urchin spines, elong. and gently tapering
Bob Campbell Geology Museum Formation: Ocala Limestone.
Echinocrinus aculeata, isolated plate of an echinoid test
Bob Campbell Geology Museum Formation: Grenola Limestone.
Delocrinus cf. subhemisphericus, two spinous plates
Bob Campbell Geology Museum Formation: Harpersville Formation; Belknap Ls. Mbr.
Harduinia mortonis, echnoid test with circular outline
Bob Campbell Geology Museum Formation: Peedee Formation.