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]
       1 Order †Praecardiida Newell, 1965
      Count: [†*] †4f [26 Jan 2022]
       2 Order †Antipleurida Kříž, 2007 [monotypic]
      Count: [†*] †3f [26 Jan 2022]