Phylum Brachiopoda Duméril, 1806 - brachiopods Subphylum Rhynchonelliformea Williams et al., 1996 Class †Strophomenata Williams et al, 1996 Order †Productida Sarycheva & Sokolskaya, 1959 Suborder †Lyttoniidina Williams et al., 2000 Superfamily †Permianelloidea He & Zhu, 1979 1 Family †Permianellidae He & Zhu, 1979