Family Spongiidae Gray 1867 (demosponge)
Demospongiae - Dictyoceratida - Spongiidae
Parent taxon: Dictyoceratida according to R. M. Finks et al. 2004
Sister taxa: Dysideidae, Felixium, Irciniidae, Spongeoliomorpha, Vaceletiidae
Subtaxa: Onerosiconcha
Ecology: stationary epifaunal suspension feeder
Distribution: found only at Llandegley Rocks (Ordovician of the United Kingdom)