Parent taxon: Porifera according to R. M. Finks et al. 2004
See also Rigby and Keyes 1998, Senowbari-Daryan and Rigby 2015, Sepkoski 2002 and Skovsted 2006
Sister taxa: Adriatella, Aetholicopalla, Alasonia, Aphlebospongia, Archaeocyatha, Ascarum, Asteriscosella, Astrostylopsis, Axiotubullina, Bacatocyathus, Bicyathus, Bornium, Bortepesia, Calcarea, Cassianostroma, Ceraostroma, Circopora, Clathrispongia, Codites, Coenostella, Concretum, Coniatopenia, Cornuaspongia, Coronacollina, Cotyliscus, Cribricyatha, Cribroscyphia, Crisantum, Cuneiphycus, Cupulochonia, Cupulospongia, Cyclospongia, Cylicopsis, Cystiphyllum adrianense, Demospongiae, Dendropora mirfia, Desmopora, Diestosphecion, Diplostomella, Disjectoporidae, Disparistromaria, Dulmius, Dulmius innovatus, Dyocopanon, Ellipsactinia, Encrinites apiosus, Encrinites disculus, Encrinites mirus, Encrinites nudus, Encrinites patiens, Encrinites perminutus, Encrinites praedominans, Encrinites praedominans alternatus, Encrinites quaesitus, Encrinites regularis, Encrinites tolomeus, Eocoryne, Eocyathispongia, Fedomia, Floriana, Glenodictyum, Helicolocellus, Hexactinellida, Holocoelia, Homoscleromorpha, Idromecrinus, Lamellata, Lamellispongia, Limnoretheles, Lithopora, Megalelasma, Megastroma, Microcoryne, Milleporidium, Mirmus, Monotheles, Myrioporina, Nabaviella, Nelumbosium, Nelumbosium primum, Oligoplagia, Palaeophragmodictya, Paratubuliella, Parksia, Pharetronida, Pilosphecion, Plectinia, Polyactinellidae, Polycnemiseudea, Psephidia, Pulchrilaminida, Puppispongia, Puppispongia prostrema, Radicispongia, Rauffia, Reticullina, Rimpia, Rosellatana, Rugoconites, Scillus, Sclerospongiae, Scribroporella, Scyphia, Shitangspongia, Sinoflabrum, Siphonia permiana, Siphonia permiana elongatiuscula, Siphonia permiana ovoidalis, Siphonia permiana piriformis, Siphostroma, Sparsispongia, Sphaeractinia, Sphinctozoa, Spirocyathidae, Spongites lementarius, Spongites oculatus, Sporadoporidium, Steinerella, Stromatofungia, Stromatoporellata, Stromatoporellina, Stromatoporina, Stromatoporoidea, Stromatostroma, Taraxaculum, Textispongia, Thalamospongia, Thectardis, Toriscodermia, Tosastroma, Tragos, Trammeria, Tubispongia, Tubuliella, Virmula, Xizangstromatopora
Subtaxa: Archicladium Conwaymorrisispongia Corynospongia Hetairacyathida Octactinellida Polycladium
Ecology: stationary intermediate-level epifaunal suspension feeder