| Parent | Category | Figures | |
|---|---|---|---|
| 1 | Spisula | solidissima | 218 |
| 2 | Spisula | solida | 71 |
| 3 | Spisula | subtruncata | 59 |
| 4 | Spisula | planulata | 54 |
| 5 | Spisula | aequilateralis | 44 |
| 6 | Spisula | elliptica | 39 |
| 7 | Spisula | raveneli | 36 |
| 8 | Spisula | discors | 20 |
| 9 | Spisula | sachalinensis | 17 |
| 10 | Spisula | polynyma | 14 |
| 11 | Spisula | murchisoni | 11 |
| 12 | Spisula | trigonella | 8 |
| 13 | Spisula | falcata | 2 |
| 14 | Spisula | adamsi | 1 |
| 15 | Spisula | catilliformis | 1 |