Phylum Brachiopoda Duméril, 1806 - brachiopods Subphylum Rhynchonelliformea Williams et al., 1996 Class Rhynchonellata Williams et al., 1996 Order †Spiriferinida Ivanova, 1972 Suborder †Cyrtinidina Carter & Johnson, 1994 Superfamily †Cyrtinoidea Frederiks, 1912 1 Family †Cyrtinidae Fredericks, 1912 2 Family †Komiellidae Johnson & Blodgett, 1993