Family Stomachetosellidae Canu and Bassler 1917 (bryozoan)
Parent taxon: Ascophora according to A. H. Cheetham 1962
Sister taxa: Cleidochasmatidae, Phylactellidae
Subtaxa: Cycloperiella, Metradolium, Pachyegis, Stomachetosella, Tremoschizodina
Ecology: stationary epifaunal suspension feeder