Genus
Cardium Linnaeus, 1758
Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Mollusca |
| Class | Bivalvia |
| Subclass | Heterodonta |
| Order | Cardiida |
| Family | Cardiidae |
| Genus | Cardium |
| Protocardia |
See also
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Mollusca |
| Class | Bivalvia |
| Subclass | Heterodonta |
| Order | Cardiida |
| Family | Cardiidae |
| Genus | Cardium |
| Protocardia |