| Phylum: | MOLLUSCA | |
| Classe: | BIVALVIA | Linneo, 1758 |
| Ordine: | VENEROIDA | Adams H. & A., 1858 |
| LUCINOIDEA | Fleming, 1828 | CHAMOIDEA | Lamarck, 1809 |
| LEPTONOIDEA | Gray, 1847 | CYAMIOIDEA | Philippi, 1845 |
| CARDITOIDEA | Fleming, 1820 | CRASSATELLOIDEA | Ferussac, 1822 |
| CARDIOIDEA | Lamarck, 1809 | TRIDACNOIDEA | Lamarck, 1819 |
| MACTROIDEA | Lamarck, 1809 | SOLENOIDEA | Lamarck, 1809 |
| TELLINOIDEA | Blainville, 1814 | ARCTICOIDEA | Newton, 1891 |
| GLOSSOIDEA | Gray, 1847 | VENEROIDEA | Rafinesque, 1815 |