53 c
| Receptaculid | Receptaculites | | Iowa (?) |
74
| Trilobite (enrolled) | Cyphaspis christyi | | Waldron Shale, Waldron, Indiana |
75 (front view)
| Trilobite | Diacalymene clavicula | | Ada, Oklahoma |
75 (rear view)
| Trilobite | Diacalymene clavicula | | Ada, Oklahoma |
79
| Sea Scorpian | Euryterus remipes | | New York |
81
| Brachiopod (internal mold) | Eospirifer sp. | | Iowa |
82 a
| Brachiopods (3pcs) (internal molds) | Pentamerus sp. | | Grand Mound, Iowa |
90
| Crinoid stems (partially dissolved) | | | Grand Mound, Iowa |
91
| Sea Lily (with attached snail) | Eucalyptocrinites crassus | | Waldron Shale, Waldron, Indiana |
91 b
| Cystoid (crinoid stems and sea lily fragments are also present) | Caryocrinus sp. | | |
96
| Sea Lily | Unidentified | | Waldron Shale, Waldron, Indiana |
100
| Cystoid | Caryocrinus sp. | | Gower Formation, Grand Mound, Iowa |
101
| Cystoid | Holocystites scutellatus | | |
104
| Sea Star, Brittlestar, Sea-lily (plate) | | | Kinglake, Victoria, Australia |
105
| Cephalopod (Nautilus) (internal mold) | | | Grand Mound, Iowa |
107
| Gastropod | Tropidodiscus sp. | | Grand Mound, Iowa |
110
| Colonial Coral | | | Grand Mound, Iowa |
111
| Rugose Horn Coral (outer shell removed) | | | Grand Mound, Iowa |
118
| Sponge (note star-shaped spicules) | Astraeospongia meniscus | | Brownsport Formation, Perryville, Tennessee |
223
| Stromatoporidea | | | |
531
| Recepticulite | | | Iowa (?) |
672
| Cystoid | Holocystites scutellatus | | Osgood Formation, Ripley County, Indiana |
1517
| Tabulate Pipe Coral | Syringopora | | unknown |
3020
| Recepticulite | | | Colorado (?) |
3021
| Trilobite (rolled) | Calymene | | Indiana |
3022
| Sponge | Caryospongia | | Indiana |
3023
| Sponge | Astrospongia | | Indiana |
3024
| Gastropod (with brachiopods and crinoid stems) | Platyceras | | Indiana |
3025
| Stromatoporidea | | | unknown |
4102
| Thaloid | Bryophyte grade land plant | | Massanutten Sandstone, Virginia |