Phylum Brachiopoda Duméril, 1806 - brachiopods Subphylum Rhynchonelliformea Williams et al., 1996 Class Rhynchonellata Williams et al., 1996 Order †Orthida Schuchert & Cooper, 1932 Suborder †Dalmanellidina Moore, 1952 Superfamily †Dalmanelloidea Schuchert, 1913 Family †Kayserellidae Wright, 1965