Phylum Porifera Grant, 1836 - sponges Class Hexactinellida Schmidt, 1870 - hexactinellids Subclass Hexasterophora Schulze, 1886 Order Lyssacinosa Zittel, 1877 see Order Lyssacinosida Zittel, 1877 Family Euplectellidae Gray, 1867 Subfamily Taegerinae Schulze, 1886 see Subfamily Corbitellinae Gray, 1872 Genus †Proeuplectella Moret, 1926