Subclass Amphidiscophora
Hexactinellida - Amphidiscophora
Parent taxon: Hexactinellida according to R. M. Finks and J.K. Rigby 2004
See also Worheide et al. 2012
Sister taxa: Acanothyia, Acanothyra, Antrispongia, Australispongia, Baccispongia, Bothroconis, Chelispongia, Crucispongia, Diplopleuriana, Farreopsis, Hemidiagoniella, Heterostella, Hexasterophora, Hodsia, Innaecoeliida, Kometia, Lonsda, Lychniscosa, Lyssacinosa, Lyssakida, Nepheliospongia, Nephelispongia, Pachylepisma, Pinnatispongia, Rugosoderma, Sceptrulophora, Sestrocladiella, Silicunculus, Solactiniella, Solusrectus, Spongus, Stromatidiidae
Subtaxa: Amphidiscosa Hemidiscosa Hyalonematidae Reticulosa