| Parent | Category | Figures | |
|---|---|---|---|
| 1 | Triviidae | Trivirostra | 1368 |
| 2 | Triviidae | Trivia | 1041 |
| 3 | Triviidae | Trivellona | 522 |
| 4 | Triviidae | Proterato | 347 |
| 5 | Triviidae | Sulcerato | 270 |
| 6 | Triviidae | Pusula | 186 |
| 7 | Triviidae | Triviinae | 181 |
| 8 | Triviidae | Alaerato | 180 |
| 9 | Triviidae | Cypraeerato | 132 |
| 10 | Triviidae | Niveria | 127 |
| 11 | Triviidae | Hespererato | 125 |
| 12 | Triviidae | Erato | 125 |
| 13 | Triviidae | Cleotrivia | 115 |
| 14 | Triviidae | Gregoia | 94 |
| 15 | Triviidae | Ellatrivia | 68 |
| 16 | Triviidae | Triviella | 45 |
| 17 | Triviidae | Pseudopusula | 39 |
| 18 | Triviidae | Eratoena | 24 |
| 19 | Triviidae | Purpurcapsula | 15 |
| 20 | Triviidae | Novatrivia | 5 |
| 21 | Triviidae | Austrotrivia | 4 |
| 22 | Triviidae | Semitrivia | 3 |
| 23 | Triviidae | Notoficula | 1 |