Ectenocrinus
Ectenocrinus simplex
Photo courtesy of Jack Kallmeyer
Scale bar is 5 mm
Ectenocrinus simplex with unidentified juvenile starfish
Photo courtesy of Jack Kallmeyer
Scale bar is 1 cm
Ectenocrinus sp. columnals
SMH collection
Ectenocrinus sp. calyx
SMH collection
Ectenocrinus sp. column
SMH collection
Species
Ectenocrinus geniculatus (Ulrich, 1879)
Occurrence: Fulton
Reference: Dalvé, 1948; Warn and Strimple, 1977
Formerly Heterocrinus geniculatus, Drymocrinus geniculatus
Ectenocrinus simplex (Hall, 1847)
Occurrence: Fulton, Economy, Southgate, McMicken, Mount Hope, Fairmount
Reference: Warn and Strimple, 1977; Ausich, 1996
Formerly Heterocrinus simplex
