Parent taxon: Porifera according to R. M. Finks et al. 2004

Sister taxa: Archaeocyatha, Calcarea, Caliculospongia, Clathrispongia, Coronacollina, Cotyliscus, Cuneiphycus, Cyathophyscus, Cyclospongia, Demospongea, Disjectoporidae, Drosdovia, Eocoryne, Glenodictyum, Hexactinellida, Holocoelia, Matthewcyathus, Megalelasma, Microcoryne, Mussooriella, Nabaviella, Nostrocyathus, Oligoplagia, Phymoraphinia, Polyactinellidae, Scyphia, Shitangspongia, Sinoflabrum, Solactiniella, Stromatoporoidea, Tragos, Trammeria

Subtaxa: Asteractinella, Astraeoconus, Conwaymorrisispongia, Corynospongia, Hetairacyathida, Heterostella, Hyalostelia, Leptopoterion, Octactinellida, Taraxaculum, Tholiasterella, Toquimiella, Uranosphaera

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Ecology: stationary intermediate-level epifaunal suspension feeder