Phylum Brachiopoda Duméril, 1806 - brachiopods Subphylum Rhynchonelliformea Williams et al., 1996 Class Rhynchonellata Williams et al., 1996 Order †Pentamerida Schuchert & Cooper, 1931 Suborder †Pentameridina Schuchert & Cooper, 1931 1 Superfamily †Pentameroidea McCoy, 1844 2 Superfamily †Stricklandioidea Schuchert & Cooper, 1931 3 Superfamily †Gypiduloidea Schuchert & LeVene, 1929 4 Superfamily †Clorindoidea Rzhonsnitskaia, 1956