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 Superfamily †Clorindoidea Rzhonsnitskaia, 1956 1 Family †Clorindidae Rzhonsnitskaia, 1956