Phylum Brachiopoda Duméril, 1806 - brachiopods
   Subphylum Rhynchonelliformea Williams et al., 1996
     1 Class †Chileata Williams et al., 1996
     2 Class †Obolellata
     3 Class †Kutorginata
     4 Class †Strophomenata Williams et al, 1996
     5 Class Rhynchonellata Williams et al., 1996