| Parent | Category | Figures | |
|---|---|---|---|
| 1 | Crassinella | mexicana | 10 |
| 2 | Crassinella | lunulata | 8 |
| 3 | Crassinella | varians | 8 |
| 4 | Crassinella | maldonadoensis | 2 |
| 5 | Crassinella | ecuadoriana | 2 |
| 6 | Crassinella | martinicensis | 1 |
| 7 | Crassinella | adamsi | 1 |
| 8 | Crassinella | nuculiformis | 1 |
| 9 | Crassinella | pacifica | 1 |