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 †Nepiomorphia Kříž, 2007
    Count: [†*] †2o;7f [26 Jan 2022]
       Order †Praecardiida Newell, 1965
      Count: [†*] †4f [26 Jan 2022]
         1 Superfamily †Praecardioidea Hoernes, 1884
        Count: [†*] †2f [26 Jan 2022]
         2 Superfamily †Cardioloidea Hoernes, 1884
        Count: [†*] †2f [26 Jan 2022]