Phylum Brachiopoda Duméril, 1806 - brachiopods
   Subphylum Rhynchonelliformea Williams et al., 1996
     Class Rhynchonellata Williams et al., 1996
       Order Rhynchonellida Kuhn, 1949
         Superfamily Dimerelloidea Buckman, 1918
           ?Family Cryptoporidae Muir-Wood, 1955