Kingdom Animalia Linnaeus, 1758 - animals
Ref: R.S. Boardman et al., 1987; Count: -
   Phylum Brachiopoda Duméril, 1806 - brachiopods
  Ref: R.S. Boardman et al., 1987; Count: -
     Class Inarticulata (Huxley, 1869)
    Ref: R.S. Boardman et al., 1987; Count: [*] 2o; †2o
       Order Lingulida Waagen, 1885
      Ref: R.S. Boardman et al., 1987; Count: -
         Superfamily †Trimerellacea Davidson & King, 1872 see Superfamily Trimerelloidea Davidson & King, 1872
        Ref: R.S. Boardman et al., 1987; Count: -
           Genus †Trimerella Lindström, 1867
          Ref: R.S. Boardman et al., 1987; Count: -