Parent taxon: Cyathocrinina according to G. D. Webster and P.A. Jell 1992
See also Webster 1987
Sister taxa: Codiacrinacea, Cyathocrinitoidea, Gasterocomacea, Gasterocomoidea, Hypocrinacea, Parastephanocrinus
Subtaxa: Codiacrinidae Oligobrachyocrinidae Streblocrinidae Sycocrinitidae
Ecology: stationary intermediate-level epifaunal suspension feeder
Distribution:
• Permian of Australia (5 collections), Indonesia (16), Oman (1), the Russian Federation (3), Tunisia (1), United States (1: Texas)
• Carboniferous of Canada (1: Nunavut), United States (16: Colorado, Indiana, Kansas, Missouri, Oklahoma, Tennessee, Texas)
• Devonian of Australia (3), Czechia (3), France (1), Germany (2), Morocco (2), United States (1: New York)
• Silurian of Australia (2), United States (5: Indiana, Missouri, Oklahoma)
Total: 63 collections including 111 occurrences