| Parent | Category | Figures | |
|---|---|---|---|
| 1 | Spirotropis | modiolus | 58 |
| 2 | Spirotropis | patagonica | 5 |
| 3 | Spirotropis | centimata | 1 |
| 4 | Spirotropis | confusa | 1 |
| 5 | Spirotropis | eurytima | 1 |
| 6 | Spirotropis | lithocolleta | 1 |
| 7 | Spirotropis | monterosatoi | 1 |
| 8 | Spirotropis | stirophora | 1 |
| 9 | Spirotropis | studeriana | 1 |
| 10 | Spirotropis | azorica | 1 |