Full reference: G. D. Webster and P. A. Jell. 1999. New Permian crinoids from Australia. Memoirs of the Queensland Museum 43(1):279-340
Parent taxon: Cladida according to D. F. Wright et al. 2017
See also Webster and Donovan 2015 and Webster and Jell 1999
Sister taxa: Aaglacrinus, Aithriocrinus, Apektocrinidae, Bicidiocrinus, Briseocrinus, Cathetocrinus, Contignatindocrinus, Cromyocrinacea, Cyathocrinacea, Dendrocrinina, Dimerocrinites anticostiensis, Eopilidiocrinus, Eucladida, Flexibilia, Goniocrinus, Harmostocrinus, Idaeumocrinus, Kanabinocrinus, Kansacrinus, Kooptoonocrinus, Lanecrinus, Lekocrinus, Lophocrinacea, Manicrinus, Mathericrinus, Menniscocrinus, Miatschkovocrinus, Nacocrinus, Nuxocrinus, Parascytalocrinus, Porocrinoidea, Poteriocrinitina, Premanicrinus, Pskovicrinus, Pulaskicrinus, Pumilindocrinus, Pyrenocrinus, Rimosidocrinus, Saccosompsis, Sardinocrinus, Scammatocrinus, Texacrinacea, Treocrinus, Wetherbyocrinus, Worthenocrinus
Subtaxa: Ampelocrinidae Calceolispongiidae Corythocrinidae Tasmanocrinus Tribrachyocrinidae
Ecology: stationary intermediate-level epifaunal suspension feeder
Distribution:
• Permian of Australia (76 collections), Indonesia (5), New Zealand (2), Oman (3), Thailand (1), United States (2: Nevada)
• Carboniferous to Permian of United States (1: Utah)
• Carboniferous of Canada (2: Nunavut), India (1), Iran (2), the United Kingdom (1), United States (55: Alabama, Illinois, Kansas, Kentucky, Nebraska, Oklahoma, Virginia)
Total: 151 collections including 202 occurrences