Phylum Brachiopoda Duméril, 1806 - brachiopods Subphylum Rhynchonelliformea Williams et al., 1996 Class Rhynchonellata Williams et al., 1996 Order †Atrypida Rzhonsnitskaya, 1960 Suborder †Lissatrypidina Copper, 1996 1 Superfamily †Lissatrypoidea Twenhofel, 1914 2 Superfamily †Glassioidea Schuchert & LeVene, 1929 3 Superfamily †Protozygoidea Copper, 1986