| Phylum: | MOLLUSCA | |
| Classe: | BIVALVIA | Linneo, 1758 |
| NUCULOIDA | Dall, 1889 | SOLEMYOIDA | Dall, 1889 |
| ARCOIDA | Stoliczka, 1871 | MYTILOIDA | Ferussac, 1822 |
| PTERIOIDA | Newell, 1965 | VENEROIDA | Adams H. & A., 1858 |
| MYOIDA | Stoliczka, 1870 | PHOLADOMYOIDA | Newell, 1965 |
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