Phylum Brachiopoda Duméril, 1806 - brachiopods Subphylum Rhynchonelliformea Williams et al., 1996 Class †Strophomenata Williams et al, 1996 Order †Orthotetida Waagen, 1884 Suborder †Orthotetidina Waagen, 1884 Superfamily †Chilidiopsoidea Boucot, 1959 1 Family †Chilidiopsidae Boucot, 1959 2 Family †Areostrophiidae Manankov, 1979