Phylum Brachiopoda Duméril, 1806 - brachiopods Subphylum Rhynchonelliformea Williams et al., 1996 Class Rhynchonellata Williams et al., 1996 Order Terebratulida Waagen, 1883 Suborder Terebratulidina Waagen, 1883 Superfamily †Stringocephaloidea King, 1850 1 Family †Centronellidae Waagen, 1882 2 Family †Stringocephalidae King, 1850 3 Family †Meganterididae Schuchert & LeVene, 1929 4 Family †Rhipidothyrididae