Phylum Brachiopoda Duméril, 1806 - brachiopods
   Subphylum Rhynchonelliformea Williams et al., 1996
     Class Rhynchonellata Williams et al., 1996
       Order †Spiriferida Waagen, 1883
         1 Suborder †Spiriferidina Waagen, 1883
         2 Suborder †Delthyridina Ivanova, 1972