Family Petalostegidae Gordon 1984 (bryozoan)
Gymnolaemata - Cheilostomata - Petalostegidae
Parent taxon: Catenicelloidea according to D. P. Gordon 2012
Sister taxa: Catenicellidae, Concatenellidae, Dicasignetella, Eurystomellidae, Savignyellidae
Subtaxa: Chelidozoum Petalostegus
Type: Petalostegus
Ecology: stationary epifaunal suspension feeder
Distribution: there are no occurrences of Petalostegidae in the database