†superfamily Fragilicyathoidea Belyaeva 1975 (archaeocyath sponge)
Archaeocyatha - Archaeocyathida
Parent taxon: Syringocnemina according to F. Debrenne et al. 2015
Sister taxa: Auliscocyathoidea, Kruseicnemoidea, Syringocnemoidea
Subtaxa: Fragilicyathidae
Type: Fragilicyathus
Ecology: stationary intermediate-level epifaunal suspension feeder
Distribution: there are no occurrences of Fragilicyathoidea in the database