Class Bivalvia Linnaeus, 1758 - bivalves
   Subclass Autobranchia Grobben, 1894
     Superorder Pteriomorphia Beurlen, 1944
       01 Family †Eligmidae Gill, 1871
       02 Family †Evyanidae Carter, Campbell & Campbell, 2000
       03 Family †Ischyrodontidae Scarlato & Starobogatov, 1979
       04 Family †Limatulinidae Waterhouse, 2001
       05 Family †Matheriidae Scarlato & Starobogatov, 1979
       06 Family †Myodakryotidae Tunnicliff, 1987
       07 Family †Pichleriidae Scarlato & Starobogatov, 1979
       08 Family †Rhombopteriidae Korobkov, 1960
       09 Family †Umburridae Johnston, 1991
       10 Order Mytilida Férussac, 1822
       11 Order †Cyrtodontida Scarlato & Starobogatov, 1971
       12 Order Arcida Gray, 1854
       13 Order Pteriida Newell, 1965
       14 Order Ostreida Férussac, 1822 [monotypic]
       15 Order Pectinida Gray, 1854
       16 Order Limida Moore, 1952 [monotypic]