210
| Crinoid | Uperocrinus pyriformis | | Mississippian | Burlington Limestone, Burlington, Iowa |
211
| Crinoid | Actinicrinites gibsoni and Pachylocrinus sp. | | Mississippian | Montgomery County, Indiana |
213
| Crinoid | Eretmocrinus tentor | | Mississippian | Gilmore City Formation, Gilmore City, Iowa |
220
| Blastoid | Pentremites symmetricus | | Mississipian | Paint Creek Formation, Floraville, Illinois |
300 & 692
| Sea Urchin | Hemicidaris crenularis | | Jurassic | Nordfrankreich, West Germany |
303
| Crinoid | Saccocoma pectintta | | Jurassic | Eichstadt Bayern, Germany |
406
| Sea urchins | unidentified | | Paleogene (Oligocene) | Northern Oregon |
17 b
| Eocrinoid | Gogia palmeri | | Cambrian | Spence shale, Bear Lake County, Idaho |
408
| Sea Star | unidentified | | Paleogene (Oligocene) | Northern Oregon |
39 b ??
| Crinoid | Onychocrinus sp. | | Mississippian | |
437
| Sea Star | Amphiura sp. | | Neogene (Miocene) | Santa Margarita Formation, San Luis Obispo, California |
163 a
| Crinoid with Snail | Arthrocantha sp. with Platycerid snail | | Devonian | Silica Shale, Lucas County, Ohio |
653
| Crinoid | Arthroacantha carpenteri | | Devonian | Silica Formaation, Lucas County, Ohio |
163 b
| Crinoid with Snail | Arthrocantha sp. with Platycerid snail | | Devonian | Silica Shale, Lucas County, Ohio |
664
| Crinoid | Macrocrinus mundulus | | Mississippian | Montgomery Coutny, Indiana |
165
| Floating Crinoid | Scyphocrinites sp. | | Devonian | Haragan Formation, Coal County, Oklahoma |
672
| Cystoid | Holocystites scutellatus | | Silurian | Osgood Formation, Ripley County, Indiana |
678
| Edrioasteroid | Isorophus cincinnatiensis | | Ordovician | McMillen Formation, Cincinnati, Ohio |
686
| Sand Dollar | Eupatagus clevi | | Paleogene (Oligocene) | Florida |
694
| Sand Dollar | Encope sp. | | Neogene (Pleistocene) | |
696 a
| Holothuroids (Sea cucumber) | Achistrum sp. (pair) | | Pennsylvanian | Essex, Illinois |
696 b
| Holothuroids (Sea cucumber) | Achistrum sp. (pair) | | Pennsylvanian | Essex, Illinois |
696 a & b
| Holothuroids (Sea cucumber) | Achistrum sp. (pair) | | Pennsylvanian | Essex, Illinois |
943
| Sand dollars | Mellita sp. | | Neogene (Pleistocene) | Sonora, Mexico |
953
| Crinoid (with holdfasts and leaf) | Isocrinus sp. | | Paleogene (Oligocene) | Northern Oregon |
954
| Echinoid (Sea urchin) | Clypeaster sp. | | Neogene (Miocene) | Sardinia |
1325
| Crinoid | Arthroacantha carpenteri | | Devonian | Silica Shale, Lucas County, Ohio |
1345
| Crinoid | Unidentified crinoid holdfast | | Silurian | Waldron Shale, Indiana |
Ec-01
| Blastoid | Pentremites pyriformis | | Mississippian | |
Ec-02
| Blastoid | Pentremites obesus | | Mississippian | |
Ec-03
| Crinoid | Cactocrinus | | Mississippian | |
