Cincinnaticrinus
Cincinnaticrinus varibrachialus
Photo courtesy of Jack Kallmeyer
Scale bar is 5 mm
Cincinnaticrinus pentagonus
Photo courtesy of Jack Kallmeyer
Scale bar is 1 cm
Cincinnaticrinus varibrachialus columnals
SMH collection
Cincinnaticrinus varibrachialus column
SMH collection
Species
Cincinnaticrinus pentagonus (Ulrich)
Occurrence: Corryville, Richmond
Reference: Warn and Strimple, 1977; Ausich, 1996
Cup is same width as stem; very small cup
Formerly Heterocrinus juvenis Hall, Meek and Heterocrinus pentagonus Ulrich
Cincinnaticrinus varibrachialus Warn and Strimple, 1977
Occurrence: Fulton, Economy, Southgate, McMicken
Reference: Warn and Strimple, 1977
Cup is slightly wider than stem; very small cup
Formerly Heterocrinus heterodactylus
