Echinoderms

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