Phylum Brachiopoda Duméril, 1806 - brachiopods Subphylum Rhynchonelliformea Williams et al., 1996 Class Rhynchonellata Williams et al., 1996 Order †Orthida Schuchert & Cooper, 1932 1 Suborder †Orthidina Schuchert & Cooper, 1932 2 Suborder †Dalmanellidina Moore, 1952