Full reference: G. D. Webster. 2006. Bibliography and Index of Paleozoic Crinoids, Coronates, and Hemistreptocrinoids Database.
Parent taxon: Sagenocrinida according to W. I. Ausich and P. Copper 2010
See also Ubaghs et al. 1978, Webster 2006 and Webster and Webster 2012
Sister taxa: Cryptanisocrinus, Homalocrinidae, Icthyocrinacea, Icthyocrinoidea, Lecanocrinoidea, Lecocrinus, Nummicrinus, Pabianocrinus, Paraclidochirus, Paranisocrinus, Proanisocrinus, Sagenocrinitoidea, Sagenocrinoidea, Tagenocrinus
Subtaxa: Gaulocrinidae Lecanocrinidae Nipterocrinidae Palaeoholopodidae
Type: Lecanocrinus
Ecology: stationary epifaunal suspension feeder
Distribution:
• Carboniferous of Canada (1: Alberta collection), United States (14: Indiana, Iowa, Kentucky, Tennessee)
• Devonian of Australia (1), the Czech Republic (3), the Russian Federation (1), United States (2: New York, Tennessee)
• Niagaran of United States (1: Indiana)
• Silurian to Devonian of United States (1: Oklahoma)
• Silurian of Canada (2: Quebec), the Czech Republic (2), United States (42: Illinois, Indiana, Iowa, New York, Oklahoma, Tennessee, West Virginia, Wisconsin)
Total: 70 collections including 80 occurrences