Phylum Brachiopoda Duméril, 1806 - brachiopods
Count: [f†f] 3c;5o;29f; †5c;21o;375f
   Subphylum Rhynchonelliformea Williams et al., 1996
  Count: [f†f] 1c;3o;26f; †4c;16o;345f
     Subphylum Rhynchonelliformea Williams et al., 1996
    Count: [f†f] 1c;3o;26f; †4c;16o;345f
       Class †Strophomenata Williams et al, 1996
      Count: [†f] †4o;64f
         Class †Strophomenata Williams et al, 1996
        Count: [†f] †4o;64f
           Order †Productida Sarycheva & Sokolskaya, 1959
          Count: [†f] †26f
             Order †Productida Sarycheva & Sokolskaya, 1959
            Count: [†f] †26f
               Suborder †Strophalosiidina Schuchert, 1913
              Count: [†f] †10f
                 Superfamily †Richthofenioidea Waagen, 1885
                Count: [†f] †4f
                   1 Family †Richthofeniidae Waagen, 1885
                  Count: -
                   2 Family †Hercosiidae Cooper & Grant, 1975
                  Count: -
                   3 Family †Cyclacanthariidae Cooper & Grant, 1975
                  Count: -
                   4 Family †Gemmellaroiidae (Williams, 1953)
                  Count: -