Infraorder Umbonulomorpha Gordon 1989 (bryozoan)
Parent taxon: Flustrina according to S. S. Brezina et al. 2021
See also Berning 2006, Gordon et al. 1994, Guha and Gopikrishna 2007 and Schmidt 2003
Sister taxa: Calloporoidea, Cribrilinoidea, Haigina, Lunulitoidea, Microporoidea, Monoporelloidea, Peedeesellidae, Thalamoporelloidea, Pseudostega, Malacostega, Farciminariidae, Cellularina, Coilostega
Subtaxa: Arachnopusioidea Batoporoidea Lepralielloidea
Ecology: stationary epifaunal suspension feeder