Phylum Brachiopoda Duméril, 1806 - brachiopods Subphylum Rhynchonelliformea Williams et al., 1996 Class †Kutorginata Order †Kutorginida Kühn, 1949 Superfamily †Nisusioidea Walcott & Schuchert, 1908 1 Family †Nisusiidae Walcott & Schuchert, 1908