Parent taxon: Hexactinosa according to J. J. Sepkoski 2002
Sister taxa: Aphrocallistidae, Aulacosia, Aulocalycidae, Belonisia, Caesaria, Carinthiaspongus, Caseispongia, Cincliderma, Clavularia, Craticulariidae, Cribrospongiidae, Cystispongiidae, Diphyllospira, Emploca, Eubrochus, Euretidae, Eutactostomium, Fieldingia, Idiodictyon, Laocaetis, Lonsda, Lopanella, Mastodictyum, Mimeticosia, Multiloqua, Mysterium, Nitidus, Octobrum, Palaeostauronema, Paracraticularia, Petalope, Pileolitoidea, Pillaraspongiidae, Placochlaenia, Plecteurette, Plectospyris, Polyschema, Polysyge, Poriferella, Porospongia, Protremadictyon, Psephosyllogus, Psilocalyx, Rhogostomium, Rhombedonium, Rhopalicna, Sceptrulophora, Scopularia, Scotospongia, Staurodermatidae, Synaulia, Tretodictyidae, Walcottella, Xenoschrammenus, Zittelospongia
Subtaxa: none
Ecology: stationary epifaunal suspension feeder