Class Bivalvia Linnaeus, 1758 - bivalves
   Subclass Autobranchia Grobben, 1894
     Superorder Heteroconchia Gray, 1854
       Clade Heterodonta Neumayr, 1884
         Order Venerida Gray, 1854
           Superfamily Cardioidea Lamarck, 1809 [monotypic]
             Family Cardiidae Lamarck, 1809 - cockles
               Subfamily Lymnocardiinae Stoliczka, 1870
                 Tribe Lymnocardiini Stoliczka, 1870
                   01 Subtribe †Lymnocardiina Stoliczka, 1870
                   02 Subtribe Cerastodermatina Nordsieck, 1969
                   03 Subtribe †Acobaecardiina Paramonova, 1986
                   04 Subtribe †Aviculocardiina Paramonova, 2001
                   05 Subtribe †Chartoconchina Taktakishvili, 1987
                   06 Subtribe †Chokrakiina Popov, 2001
                   07 Subtribe †Digressodacnina Taktakishvili, 1987
                   08 Subtribe †Merklinicardiina Popov, 2001
                   09 Subtribe †Obsoletiformina Paramonova, 2001
                   10 Subtribe †Pachydacnina Andreescu, 1975
                   11 Subtribe †Panticapaeina Taktakishvili, 1987
                   12 Subtribe †Phyllocardiina Nevesskaya, 1986
                   13 Subtribe †Planacardiina Paramonova, 2001
                   14 Subtribe †Plicatiformina Paramonova, 2001
                   15 Subtribe †Pontalmyrina Taktakishvili, 1987
                   16 Subtribe †Prionopleurina Taktakishvili, 1987
                   17 Subtribe †Pseudocatillina Taktakishvili, 1987