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