Parent taxon: Porifera according to F. Debrenne et al. 2015
See also Rowland 2001
Sister taxa: Alasonia, Aphlebospongia, Ausia, Batchatocyathus, Bicyathus, Bortepesia, Calcarea, Clathrispongia, Codites, Coniatopenia, Cornuaspongia, Coronacollina, Cotyliscus, Cribricyatha, Cribroscyphia, Cuneiphycus, Cupulochonia, Cupulospongia, Cyclospongia, Demospongiae, Diestosphecion, Diplostomella, Disjectoporidae, Dyocopanon, Eocoryne, Eocyathispongia, Glenodictyum, Heteractinida, Hexactinellida, Holocoelia, Homoscleromorpha, Lamellispongia, Limnoretheles, Megalelasma, Microcoryne, Monotheles, Nabaviella, Oligoplagia, Palaeophragmodictya, Pharetronida, Pilosphecion, Plectinia, Polyactinellidae, Polycnemiseudea, Psephidia, Pulchrilaminida, 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