Kingdom Animalia Linnaeus, 1758 - animals Phylum Porifera Grant, 1836 - sponges ?Class †Stromatoporata see Class Stromatoporoidea Nicholson & Murie, 1878 Genus †Actinostroma Nicholson, 1886 Genus †Anostylostroma Parks, 1936 Genus †Pseudostylodictyon Ozaki, 1938 Genus †Stictostroma Parks, 1936 Genus †Syringostroma Nicholson, 1865