n = 5
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Hippopus hippopus | (Linnaeus, 1758) | Hippopus hippopus | Cardiidae | Bear paw clam |
| Hippopus maculatus | Lamarck, 1801 | Hippopus hippopus | Cardiidae | Bear paw clam |
| Hippopus hippopus | (non Linnaeus, 1758) | Hippopus porcellanus | Cardiidae | China clam |
| Hippopus porcelanus | Rosewater, 1982 | Hippopus porcellanus | Cardiidae | China clam |
| Hippopus porcellanus | Rosewater, 1982 | Hippopus porcellanus | Cardiidae | China clam |