Phylum Porifera Grant, 1836 - sponges
Class Demospongea Sollas, 1875
see Class Demospongiae Sollas, 1885
Subclass †Lithistida Schmidt, 1870
Order Tetralithistida Lagneau-Hérenger, 1962
Suborder Tetracladina Zittel, 1878
Family Theonellidae Lendenfeld, 1903
Subfamily †Acrochordoniinae Schrammen, 1910
Genus †Phyllodermia Schrammen, 1924
1 Subgenus †P. (Phyllodermia) Schrammen, 1924
2 Subgenus †P. (Cladodermia) Schrammen, 1924