Fossil Crinoids Ordovician

A virtual museum of crinoids from all over the world

Crinoids in Earth History

Ordovician Period (485-443 mio. years)

Volkhov Stage

Gonocrinites (Echinoencrinites) angulosus

Gonocrinites (earlier Echinoencrinites) angulosus; 1.5x1 cm; ; St. Petersburg, Babino Querry

Echinoencrinites reticulatus

Echinoencrinites reticulatus; 2x1.5 cm; Kunda horizon; St. Petersburg area, Lawa River

Hemicosmites pyriformis

Hemicosmites pyriformis (cystoid); 3x3 cm; Kunda horizon; St. Petersburg area, Volkhov river

Hemicosmites pyriformis

Hemicosmites pyriformis (cystoid); 3.5x3.5 cm; Aseri horizon; St. Petersburg area, Volkhov river

Protocrinites fragum

Protocrinites fragum (cystoid); 2.5x2 cm; Kunda horizon; St. Petersburg area, Volkhov river

Cryptocrinus cerasus

Cryptocrinus cerasus (eocrinoid); 1.5x1 cm; Aseri horizon; St. Petersburg area, Volkhov river

Heliocrinites balticus

Heliocrinites balticus (cystoid); 5x4.5 cm; Aseri horizon; St. Petersburg area, Volkhov river

Heliocrinites balticus

Heliocrinites balticus (cystoid); 3x3 cm; Aseri horizon; St. Petersburg area, Volkhov river

Bobcaygeon Formation

Reteocrinus alveolatur; 50x18 cm; Bobcaygeon Fm.; Brechin, Ontario — Reteocrinus alveolatus; 50x18 cm; Bobcaygeon Fm.; Brechin, Ontario

Neoarchaeocrinus

Periglyptocrinus n.sp.; 22x25 cm; Bobcaygeon Fm.; Brechin, Ontario

Glyptocrinus n.sp.; 9x7 cm; Bobcaygeon Fm.; Brechin, Ontario

Glyptocrinus n.sp.; 16x14 cm; Bobcaygeon Fm.; Brechin, Ontario

Reteocrinus alveolatur

Reteocrinus alveolatur; 16x9 cm; Bobcaygeon Fm.; Brechin, Ontario

Carabocrinus viancourtlandia

Carabocrinus vancortlandti; 4x4 cm; Verulam Fm.; Brechin, Ontario

Cupulocrinus jewetti

Cupulocrinus humilis; 10.5x8 cm; Bobcaygeon Fm.; Simcoe Co, Ontario

Daedalocrinus bellevillensis

Cupulocrinus jewetti; 13x5.5 cm; Verulam Fm.; Brechin, Ontario

Konieckicrinus josephi; 19x11.5 cm; Bobcaygeon Fm.; Brechin, Ontario

Konieckicrinus brechinensis; 19x14 cm; Bobcaygeon Fm.; Brechin, Ontario

Cremacrinus guttenbergensis

Cremacrinus guttenbergensis; 16x8 cm; Bobcaygeon Fm.; Brechin, Ontario

Isotomocrinus tenuis; 8.5x6.5 cm; Bobcaygeon Fm.; Brechin, Ontario

Periglyptocrinus n. sp.; 12x8 cm; Bobcaygeon Fm.; Brechin, Ontario; 12x8 cm; Bobcaygeon Fm.; Brechin, Ontario

Neuville Formation

Iocrinus trentonensis; 13x9.5 cm; Neuville Fm.; Quebec City area

Dendrocrinus n. sp.; 10x9 cm; Neuville Fm.; Quebec City area

Ectenocrinus simplex; 15x9 cm; Neuville Fm.; Quebec City area

Cincinaticrinus

Cincinnaticrinus varibrachialus; 9x9 cm; Neuville Fm.; Quebec City area

Rust Formation

Ectenocrinus simplex; 9x7.5 cm; Rust Fm.; Walcott-Rust Quarry, Herkimer County, N.Y.

Ectenocrinus simplex; 9x7.5 cm; Rust Fm.; Walcott-Rust Quarry, Herkimer County, N.Y.

Iocrinus trentonensis; 15x5 cm; Rust Fm.; Walcott-Rust Quarry, Herkimer County, N.Y.

Iocrinus trentonensis; 15x5 cm; Rust Fm.; Walcott-Rust Quarry, Herkimer County, N.Y.

Cincinnatian

Glyptocrinus decadactylus

Glyptocrinus decadactylus; 30x23 cm; Arnheim Fm.; Richmond outcrop at Dent, Ohio

Iocrinus subcrassus

Iocrinus subcrassus; 18x8 cm; Dillsboro Fm.; Ripley Co., Indiana

Ectenocrinus simplex

Ectenocrinus simplex; 10x5.5 cm; Kope Fm.; Pendleton County, Kentucky

Ectenocrinus simplex, Mesopalieaster sp,

Ectenocrinus simplex, Mesopalieaster sp.20x9 cm; Kope Fm., Campbell County, Kentucky

Glyptocrinus decadactylus

Glyptocrinus decadactylus; 12x10 cm; Fairmount Fm.; Maysville, Kentucky

Gaurocrinus nealli

Gaurocrinus nealli; 20x11.5 cm; Richmondian Stage, Liberty Formation; Preble County, Ohio

Pycnocrinus dyeri; 10x8 cm; Cincinnatian; East Fork LakeClermont County, Ohio

Pycnocrinus dyeri; 10x8 cm; Cincinnatian; East Fork LakeClermont County, Ohio

Plicodendrocrinus casei, Jugiaster

Plicodendrocrinus casei, Jugiaster; 18x10 cm; Richmondian Stage, Liberty Formation; Warren County, Ohio

Volkhov Stage

Egerquist & Holmer_Map

Map © Egerquist & Holmer (2006)

Zaitsev (2010)_Babino Quarry_Map

Map: Babino Quarry © Zaitsev

Putilovo quarry_Volkov River

Putilovo quarry / Volkov River

Knaust et al. (2012)_Stratigraphic section

Stratigraphic section © Knaust et al. (2012)

Ordovizian Crinoids of the Baltic Region by BalticDiversity

Bobcaygeon Formation

Mitchel et al. (2004)_Lake Simcoe_Map

Map © Mitchel et al. (2004)

Melchin et al. (1994)_Lake Simcoe_Map

© Melchin et al. (1994)

Brechin_James Dick Quarry

Brechin, James Dick Quarry

Brookfield & Brett (1988)_Lake Simcoe_stratigraphic section

© Brookfield & Brett (1988)

Cole, Ausich, Wright & Koniecki (2018): An echinoderm Lagerstätte from the Upper Ordovician (Katian), Ontario: taxonomic re-evaluation and description of new dicyclic camerate crinoids

Ausich, Wright, Cole & Koniecki (2018): Disparid and hybocrinid crinoids from the Upper Ordovician Brechin Lagerstätte of Ontario

Wright (2016): Phylogenetic Paleobiology, Phenotypic Diversification and Evolutionary Radiation in Paleozoic Crinoids

Brett & Taylor (1999): Middle Ordovician of the Lake Simcoe Area of Ontario, Canada (download)

Springer (1911): On a Trenton Echinoderm Fauna at Kirkefield, Ontario (download)

Ordovician Crinoids from Ontario by Joe Koniecki

Neuville Formation

Map_Quebeq area

Map of Québec area

Brower et al. (2014)_Geological map (CGS)

© CGS / Brower et al. (2014)

Brower et al. (2014): Rare crinoid associations from the Upper Ordovician Neuville Formation, Québec, Canada - Small crinoids as passengers on big crinoids

Musée de paléontologie et de l'évolution (MPE)

Rust Formation

Rudkin and Tripp (1989)_Map of Trenton Gorge and Walcott-Rust Quarry

Map

The Walcott-Rust Quarry being re-excavated by Thomas Whiteley in 1990

The Walcott-Rust Quarry being re-excavated by Thomas Whiteley in 1990

Brett & Baird (1999)_Trenton Falls_stratigraphic section

© Brett & Baird (1999)

Stratigraphic Profile: Trenton-Simcoe Group © Lehmann et. al (1995)

Brett (1999): Middle Ordovician Trenton Group of New York, USA (download)

Cincinnatian

Map Cincinnatian

Map: Cincinnatian

Cincinnatian Outcrops

Ordovician Outcrop Belt

Cincinnatian Stratigraphy

© Vendrasco et al. (2013)

Outcrop 1b_Drydregger

Roadcut of Kope and Fairview formations in Maysville, Kentucky

Ausich (1999): Upper Ordovician of the Cincinnati, Ohio, Area, USA (download)

Identifying Cinncinatian Crinoids by Dry Dredgers

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