| Parent | Category | Figures | |
|---|---|---|---|
| 1 | Polymesoda | erosa | 39 |
| 2 | Polymesoda | floridana | 31 |
| 3 | Polymesoda | maritima | 25 |
| 4 | Polymesoda | arctata | 7 |
| 5 | Polymesoda | coaxans | 2 |
| 6 | Polymesoda | bengalensis | 2 |
| 7 | Polymesoda | caroliniana | 2 |
| 8 | Polymesoda | boliviana | 1 |
| 9 | Polymesoda | notabilis | 1 |
| 10 | Polymesoda | nicaraguana | 1 |
| 11 | Polymesoda | fountainei | 1 |
| 12 | Polymesoda | mexicana | 1 |