| Parent | Category | Figures | |
|---|---|---|---|
| 1 | Lucina | pensylvanica | 18 |
| 2 | Lucina | nassula | 10 |
| 3 | Lucina | species | 9 |
| 4 | Lucina | gemma | 5 |
| 5 | Lucina | centrifuga | 4 |
| 6 | Lucina | radians | 2 |
| 7 | Lucina | adansoni | 2 |
| 8 | Lucina | pisidium | 2 |
| 9 | Lucina | lampra | 1 |
| 10 | Lucina | fenestrata | 1 |
| 11 | Lucina | dentifera | 1 |
| 12 | Lucina | concentrica | 1 |
| 13 | Lucina | pensilvanica | 1 |
| 14 | Lucina | muricata | 1 |
| 15 | Lucina | victorialis | 1 |
| 16 | Lucina | pectinata | 1 |
| 17 | Lucina | keenae | 1 |
| 18 | Lucina | gaini | 1 |