Full reference: G. D. Webster. 2006. Bibliography and Index of Paleozoic Crinoids, Coronates, and Hemistreptocrinoids Database.
Parent taxon: Sagenocrinida according to G. D. Webster 2006
Sister taxa: Cryptanisocrinus, Homalocrinidae, Icthyocrinacea, Icthyocrinoidea, Lecanocrinacea, Lecocrinus, Nummicrinus, Pabianocrinus, Paraclidochirus, Paranisocrinus, Proanisocrinus, Sagenocrinitoidea, Sagenocrinoidea, Tagenocrinus
Subtaxa: none
Ecology: stationary epifaunal suspension feeder
Distribution:
• Permian of Australia (3 collections), Bolivia (1), Indonesia (12), Tunisia (2), United States (2: Nevada, Texas)
• Carboniferous of Canada (2: Nunavut), Ireland (1), the United Kingdom (4), United States (31: Kansas, Kentucky, Nebraska, Oklahoma, Tennessee, Texas)
• Devonian of France (1), Germany (1), Morocco (1)
Total: 61 collections including 101 occurrences