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
           Superfamily Laqueoidea Thomson, 1927
             1 Family Laqueidae Thomson, 1927
             2 Family Frenulinidae Hatai, 1938
             3 Family Terebrataliidae Richardson, 1975