| Parent | Category | Figures | |
|---|---|---|---|
| 1 | Theodoxus | fluviatilis | 67 |
| 2 | Theodoxus | pallasi | 63 |
| 3 | Theodoxus | varius | 40 |
| 4 | Theodoxus | saulcyi | 40 |
| 5 | Theodoxus | danubialis | 26 |
| 6 | Theodoxus | meridionalis | 19 |
| 7 | Theodoxus | velascoi | 12 |
| 8 | Theodoxus | euxinus | 11 |
| 9 | Theodoxus | altenai | 10 |
| 10 | Theodoxus | baeticus | 6 |
| 11 | Theodoxus | sarmaticus | 5 |
| 12 | Theodoxus | vondeli | 3 |
| 13 | Theodoxus | luteofasciatus | 3 |
| 14 | Theodoxus | jordani | 2 |
| 15 | Theodoxus | nucleolus | 2 |
| 16 | Theodoxus | vespertinus | 1 |
| 17 | Theodoxus | neglectus | 1 |
| 18 | Theodoxus | prevostianus | 1 |
| 19 | Theodoxus | anatolicus | 1 |
| 20 | Theodoxus | karasuna | 1 |
| 21 | Theodoxus | valentinus | 1 |
| 22 | Theodoxus | eudeli | 1 |
| 23 | Theodoxus | elongatus | 1 |
| 24 | Theodoxus | cariosa | 1 |
| 25 | Theodoxus | tranversalis | 1 |