†superfamily Pirasocrinacea Moore and Laudon 1943 (Sea lily)
Parent taxon: Dendrocrinida according to G. D. Webster and N. G. Lane 2007
See also Moore and Strimple 1973, Ubaghs et al. 1978 and Webster et al. 2009
Sister taxa: Aesiocrinidae, Agassizocrinoidea, Apographiocrinoidea, Bridgerocrinidae, Cromyocrinoidea, Dendrocrinacea, Glossocrinacea, Graphiocrinoidea, Kraterocrinidae, Mastigocrinacea, Mastigocrinoidea, Merocrinacea, Mollocrinoidea, Pentaxocrinus, Pirasocrinoidea, Plicodendrocrinacea, Timorocidaroidea
Subtaxa: Adinocrinidae
Type: Pirasocrinus
Ecology: stationary intermediate-level epifaunal suspension feeder
Distribution:
• Carboniferous of the United Kingdom (3 collections), United States (12: Indiana, Kentucky, Tennessee)
Total: 15 collections including 16 occurrences