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 Ostreida Férussac, 1822 [monotypic]
      Count: [*†*] 2f; †2f [27 Jan 2022]
         Superfamily Ostreoidea Rafinesque, 1815
        Count: [*†*] 2f; †2f [27 Jan 2022]
           Family Gryphaeidae Vialov, 1936
          Count: -
             Subfamily †Gryphaeinae Vialov, 1936
            Count: -