Kingdom Animalia Linnaeus, 1758 - animals Phylum Porifera Grant, 1836 - sponges Class Calcarea Bowerbank, 1864 - calcareous sponges Subclass Calcinea Bidder, 1898 Order Clathrinida Hartman, 1958 Genus Leucomalthe Haeckel, 1872, incertae sedis [monotypic]