Crinoid stem coquina (Platycrinus penicillus)
Bob Campbell Geology Museum 330 million years old; Formation: St. Genevieve 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.
Pentacrinus asteriscus, 16 stem segments consisting of several fused columnals
Bob Campbell Geology Museum Formation: Sundance Formation.
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.
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.
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.