fossil marine animal genera Linnaeus, 1758 - animals
   Phylum Porifera Grant, 1836 - sponges
     Class Demospongia see Class Demospongiae Sollas, 1885
       01 Order Poecilosclerida Topsent, 1928
       02 Order Haplosclerida Topsent, 1928
       03 Order Dictyoceratida Minchin, 1900
       04 Order Verongiida see Order Verongida Bergquist, 1978
       05 Order Verticillitida Termier & Termier, 1977 see Order Dictyoceratida Minchin, 1900
       06 Order Astrophorida Sollas, 1888 see Suborder Astrophorina Sollas, 1888
       07 Order Lithistida Schmidt, 1870 - lithistids see Subclass Lithistida Schmidt, 1870
       08 Order Hadromerida Topsent, 1894
       09 Order †Stromatoporoidea Nicholson & Murie, 1878 see Class Stromatoporoidea Nicholson & Murie, 1878
       10 Order †Guadalupiida Termier & Termier, 1977
       11 Order Axinellida Lévi, 1953 see Order Halichondrida Vosmaer, 1887
       12 Order Tabulospongida Hartmann & Goreau, 1975
       13 Order Homoscleromorpha Lévi, 1973 see Class Homoscleromorpha Dendy, 1905
       14 Order uncertain