| Parent | Category | Figures | |
|---|---|---|---|
| 1 | Mactridae | Mactra | 1390 |
| 2 | Mactridae | Spisula | 587 |
| 3 | Mactridae | Lutraria | 300 |
| 4 | Mactridae | Raeta | 220 |
| 5 | Mactridae | Mulinia | 136 |
| 6 | Mactridae | Rangia | 132 |
| 7 | Mactridae | Tresus | 102 |
| 8 | Mactridae | Oxyperas | 97 |
| 9 | Mactridae | Mactrotoma | 68 |
| 10 | Mactridae | Crassula | 52 |
| 11 | Mactridae | Harvella | 36 |
| 12 | Mactridae | Eastonia | 25 |
| 13 | Mactridae | Mactromeris | 22 |
| 14 | Mactridae | Resania | 20 |
| 15 | Mactridae | Anatina | 17 |
| 16 | Mactridae | Darina | 16 |
| 17 | Mactridae | Zenatia | 13 |
| 18 | Mactridae | Meropesta | 12 |
| 19 | Mactridae | Scissodesma | 11 |
| 20 | Mactridae | Cyclomactra | 7 |
| 21 | Mactridae | Simomactra | 6 |
| 22 | Mactridae | Leptospisula | 5 |
| 23 | Mactridae | Diaphoromactra | 3 |
| 24 | Mactridae | Mactrellona | 3 |