Parent taxon: Porifera according to F. Debrenne et al. 2015
See also Rowland 2001
Sister taxa: Aetholicopalla, Alasonia, Aphlebospongia, Asteriscosella, Batchatocyathus, Bicyathus, Bortepesia, Calcarea, Clathrispongia, Codites, Coniatopenia, Cornuaspongia, Coronacollina, Cotyliscus, Cribricyatha, Cribroscyphia, Cuneiphycus, Cupulochonia, Cupulospongia, Cyclospongia, Demospongiae, Diestosphecion, Diplostomella, Disjectoporidae, Dulmius, Dulmius innovatus, Dyocopanon, Eocoryne, Eocyathispongia, Floriana, Glenodictyum, Helicolocellus, Heteractinida, Hexactinellida, Holocoelia, Homoscleromorpha, Lamellispongia, Limnoretheles, Megalelasma, Microcoryne, Monotheles, Nabaviella, Nelumbosium, Nelumbosium primum, Oligoplagia, Palaeophragmodictya, Pharetronida, Pilosphecion, Plectinia, Polyactinellidae, Polycnemiseudea, Psephidia, Pulchrilaminida, Puppispongia, Puppispongia prostrema, Radicispongia, Rauffia, Rugoconites, Sclerospongiae, Scribroporella, Scyphia, Shitangspongia, Sinoflabrum, Sparsispongia, Sphinctozoa, Spirocyathidae, Stromatofungia, Stromatoporoidea, Taraxaculum, Textispongia, Thalamospongia, Thectardis, Toriscodermia, Tragos, Trammeria, Tubispongia
Subtaxa: Adaecyathus Ajacicyathida Archaeocyathida Butovia Capsulocyathida Cornutocyathus Irregulares Kazachstanicyathida Monocyathida Putapacyathida Regulares Rhizacyathus