Phylum Brachiopoda Duméril, 1806 - brachiopods
   Subphylum Rhynchonelliformea Williams et al., 1996
     Class Rhynchonellata Williams et al., 1996
       Order Terebratulida Waagen, 1883
         Suborder Terebratellidina Muir-Wood, 1955
           1 Superfamily Zeillerioidea Allan, 1940
           2 Superfamily Kingenoidea Elliott, 1948
           3 Superfamily Laqueoidea Thomson, 1927
           4 Superfamily Megathyridoidea Dall, 1870
           5 Superfamily Bouchardioidea Allan, 1940
           6 Superfamily Platidioidea Thomson, 1927
           7 Superfamily Terebratelloidea King, 1850
           8 Superfamily Kraussinoidea Dall, 1870