| Parent | Category | Figures | |
|---|---|---|---|
| 1 | Planorbella | trivolvis | 208 |
| 2 | Planorbella | duryi | 25 |
| 3 | Planorbella | campanulata | 21 |
| 4 | Planorbella | subcrenata | 8 |
| 5 | Planorbella | species | 7 |
| 6 | Planorbella | pilsbryi | 7 |
| 7 | Planorbella | scalaris | 2 |
| 8 | Planorbella | scalare | 2 |
| 9 | Planorbella | smithi | 1 |
| 10 | Planorbella | occidentalis | 1 |
| 11 | Planorbella | foveale | 1 |