Class Bivalvia Linnaeus, 1758 - bivalves
Count: [*†*] 16o;110f; †6o;225f [31 Jan 2022]
   Subclass Autobranchia Grobben, 1894
  Count: [*†*] 13o;98f; †6o;203f [31 Jan 2022]
     Superorder Pteriomorphia Beurlen, 1944
    Count: [*†*] 6o;23f; †1o;77f [28 Jan 2022]
       Order Pteriida Newell, 1965
      Count: [*†*] 5f; †18f [31 Jan 2022]
         Superfamily Pterioidea Gray, 1847 (1820)
        Count: [*†*] 4f; †8f [27 Jan 2022]
           ?Family †Cassianellidae Ichikawa, 1958
          Count: -