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.
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.
Dendraster gibsii, 7 isolated tests and one cluster of 4
Bob Campbell Geology Museum Formation: Etchegoin Formation.
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.
Echinocrinus aculeata, isolated plate of an echinoid test
Bob Campbell Geology Museum Formation: Grenola Limestone.
Harduinia mortonis, echnoid test with circular outline
Bob Campbell Geology Museum Formation: Peedee Formation.
Astrodaspis tumidus, dorso-ventrally falthead specimen
Bob Campbell Geology Museum Formation: Eastover Formation.
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.
Encope aff. Macrophora, dorso-ventrally flattened specimen
Bob Campbell Geology Museum Formation: Eastover Formation.
Sea Urchin (Hardounia cf. florealis)
Bob Campbell Geology Museum 72 million years old; Donated: The Duncan Family.
Rhyncholampas carolinensis, the small test has an oval outline in plain view
Bob Campbell Geology Museum Formation: Santee Limestone.
Linthia harmatuki, very large test - only the ventral portion is well preserved
Bob Campbell Geology Museum Formation: Santee Limestone.