Crinoid (Jimbacrinus bostoki) sea lily
Bob Campbell Geology Museum 260 million years old; Formation: Cundlego Formation.
Hydreinocrinus sp., stem section
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, isolated radial
Bob Campbell Geology Museum Formation: Harpersville Formation; Belknap Ls. Mbr.
Crinoid (Endelocrinus sp.)
Bob Campbell Geology Museum 287 million years old; Formation: Lecompton Limestone; Donated: Andy Epton.
Delocrinus cf. subhemisphericus, two spinous plates
Bob Campbell Geology Museum Formation: Harpersville Formation; Belknap Ls. Mbr.
Crinoid stem coquina (Platycrinus penicillus)
Bob Campbell Geology Museum 330 million years old; Formation: St. Genevieve Formation.
Pentacrinus asteriscus, 16 stem segments consisting of several fused columnals
Bob Campbell Geology Museum Formation: Sundance Formation.
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.