Class †Algospongia Termier, Termier & Vachard, 1977, incertae sedis Order †Aoujgaliida G. Termier et al., 1975 Suborder †Aoujgaliina Family †Stacheiidae 1 Genus †Stacheia Brady, 1876 2 Genus †Fourstonella Cummings, 1955