| Parent | Category | Figures | |
|---|---|---|---|
| 1 | Chitons | Chitonidae | 2380 |
| 2 | Chitons | Mopaliidae | 1968 |
| 3 | Chitons | Ischnochitonidae | 1510 |
| 4 | Chitons | Acanthochitonidae | 935 |
| 5 | Chitons | Lepidochitonidae | 914 |
| 6 | Chitons | Tonicellidae | 747 |
| 7 | Chitons | Chaetopleuridae | 312 |
| 8 | Chitons | Leptochitonidae | 182 |
| 9 | Chitons | Callochitonidae | 134 |
| 10 | Chitons | Callistoplacidae | 113 |
| 11 | Chitons | Cryptoplacidae | 88 |
| 12 | Chitons | Loricidae | 47 |
| 13 | Chitons | Schizoplacidae | 36 |
| 14 | Chitons | Nierstraszellidae | 18 |
| 15 | Chitons | Hanleyidae | 4 |
| 16 | Chitons | Schizochitonidae | 1 |