| Parent | Category | Figures | |
|---|---|---|---|
| 1 | Bulla | vernicosa | 284 |
| 2 | Bulla | ampulla | 169 |
| 3 | Bulla | gouldiana | 138 |
| 4 | Bulla | occidentalis | 72 |
| 5 | Bulla | quoyii | 62 |
| 6 | Bulla | striata | 32 |
| 7 | Bulla | mabillei | 26 |
| 8 | Bulla | punctulata | 16 |
| 9 | Bulla | angasi | 7 |
| 10 | Bulla | orientalis | 5 |
| 11 | Bulla | solida | 2 |
| 12 | Bulla | ventricosa | 2 |
| 13 | Bulla | rufolabris | 2 |
| 14 | Bulla | botanica | 1 |
| 15 | Bulla | arabica | 1 |
| 16 | Bulla | peasiana | 1 |
| 17 | Bulla | succisa | 1 |
| 18 | Bulla | adamsi | 1 |
| 19 | Bulla | amygdala | 1 |
| 20 | Bulla | mabilei | 1 |
| 21 | Bulla | adansonii | 1 |
| 22 | Bulla | n-sp 1 | 1 |