189
| Fan Bryozoan | Archimedes sp. | | Indiana and Illinois |
179
| Trilobite | Griffithides bufo | | Montgomery County, Indiana |
192 side view
| Sea Lily | Abatocrinus sp. | | Burlington Limestone, Pike County, Missouri |
192 top view
| Sea Lily | Abatocrinus sp. | | Burlington Limestone, Pike County, Missouri |
196
| Blastoid | Cryptoblastus melo and Dichocrinus striatus | | Burlington Limestone, Marion County, Missouri |
205
| Sea Lillies | Aorocrinus immaturus and Platycrinites symmetricus | | LeGrand, Iowa |
207
| Sea Lilly | Taxocrinus | | Edwardsville Formation, Montgomery County, Indiana |
214
| Blastoid | Globoblastus norwoodi | | Burlington Limestone, Burlington, Iowa |
215 a
| Blastoid | Pentremites godoni major | | Wax, Kentucky |
216
| Blastoid | Pentremites obesus | | Chester Formation, Hecker, Illinois |
218 side view
| Blastoid | Pentremites pyriformis | | Wax, Kentucky |
218 top view
| Blastoid | Pentremites pyriformis | | Wax, Kentucky |
221
| Ammonoid (Goniatite) | Muensteroceras parallelum | | Jackson County, Indiana |
222
| Snail | Anematina proutana | | Iowa |
656
| Crinoid | Barycrinus princeps | | Edwardsville Formation, Montgomery County, Indiana |
663
| Sea Lillies | Barycrinus asteriscus and Macrocrinus sp. | | Montgomery County, Indiana |
669
| Sea Lillies | Barycrinus | | Gilmor City Formation, Gilmore City, Iowa |
670
| Crinoid | Scytalocrinus sp. | | Borden Group, Montgomery County, Indiana |
1053
| Crinoidal Limestone | | | unknown |
1375
| Colony Coral | Lithostrotion proliferum | | unknown |
191 b
| Horn Coral | | | Iowa |
BrachPr
| Brachiopod | Composita sp. | | |
CrinStems
| Sea Lily Stems | | | |
PolStn
| Crinoidal Limestone | | | |
