Phylum Porifera Grant, 1836 - sponges Class Calcarea Bowerbank, 1864 - calcareous sponges Order †Heteractinida Hinde, 1887 see Class Heteractinida de Laubenfels, 1955 Family †Nuchidae Pickett, 2002 Genus †Nucha Pickett & Jell, 1983 1 ?†Nucha vancouverensis Stanley, 1998