†family Euplectellidae Gray 1867 (glass sponge)
Parent taxon: Lyssacinosa according to A. Pisera and P. Busquets 2002
Sister taxa: Brachiospongioidea, Brevicirrus, Flexuospiculata, Leucopsacasiidae, Lumectospongiidae, Stauractinellidae, Acanthospongia, Calathospongia, Caulophacus, Colpospongia, Crateromorpha, Euplectella, Foerstella, Lasiothrix, Malumispongium, Oncosella, Opeamorphus, Palaeosaccus, Proeuplectella, Pyritonema, Regardrella, Rosella, Testispongia, Rossellidae, Leucopsacidae
Subtaxa: Acoelocalyx, Arhoussia, Corticulospongia, Docosaccus, Fiscella, Guemeuria, Heterotella, Purisiphonia, Regadrella, Sheldonia, Silesiaspongia, Taegerinae, Tagountia, Tillichtia, Walteria, Walteriella
Ecology: stationary epifaunal suspension feeder