Phylum Brachiopoda Duméril, 1806 - brachiopods
   Subphylum Rhynchonelliformea Williams et al., 1996
     Class Rhynchonellata Williams et al., 1996
       Order †Spiriferida Waagen, 1883
         Suborder †Spiriferidina Waagen, 1883
           1 Superfamily †Cyrtioidea Fredericks, 1919
           2 Superfamily †Adolfioidea Sartenaer, 1966
           3 Superfamily †Theodossioidea Ivanova, 1959
           4 Superfamily †Cyrtospiriferoidea Termier & Termier, 1949
           5 Superfamily †Ambocoelioidea George, 1931
           6 Superfamily †Martinioidea Waagen, 1883
           7 Superfamily †Spiriferoidea King, 1846
           8 Superfamily †Paeckelmanelloidea Ivanova, 1972
           9 Superfamily †Brachythyridoidea Frederiks, 1924