†superfamily Hexacrinitoidea Wachsmuth and Springer 1885 (Sea lily)
Parent taxon: Compsocrinina according to G. D. Webster 2012
Sister taxa: Carpocrinacea, Carpocrinoidea, Hexacrinitacea, Periechocrinacea, Periechocrinoidea, Xenocrinacea, Xenocrinoidea
Subtaxa: none
Ecology: stationary upper-level epifaunal suspension feeder
Distribution:
• Permian of Australia (25 collections), Indonesia (1), the Russian Federation (4), Tunisia (1)
• Carboniferous of Canada (1: Alberta), China (1), Iran (2), the Russian Federation (3), United States (135: Alabama, Illinois, Indiana, Iowa, Kentucky, Missouri, Oklahoma, Tennessee, Virginia)
• Devonian of United States (1: Colorado)
Total: 174 collections including 268 occurrences