†superfamily Gasterocomoidea Roemer 1854 (Sea lily)
Parent taxon: Cyathocrinina according to S. V. Rozhnov 2018
Sister taxa: Codiacrinacea, Codiacrinoidea, Cyathocrinitoidea, Gasterocomacea, Hypocrinacea, Parastephanocrinus
Subtaxa: none
Ecology: stationary intermediate-level epifaunal suspension feeder
Distribution:
• Devonian of Australia (3 collections), Austria (1), Czechia (2), Italy (3), Kazakhstan (1), Mongolia (2), the Russian Federation (5)
• Silurian of Canada (1: Quebec), Czechia (1), Estonia (1), Norway (2), the Russian Federation (6), Ukraine (1), the United Kingdom (1), United States (16: Illinois, Indiana, Iowa, Wisconsin)
Total: 46 collections including 54 occurrences