| Parent | Category | Figures | |
|---|---|---|---|
| 1 | Lottiidae | Lottia | 3084 |
| 2 | Lottiidae | Patelloida | 856 |
| 3 | Lottiidae | Scurria | 253 |
| 4 | Lottiidae | Tectura | 219 |
| 5 | Lottiidae | Notoacmea | 143 |
| 6 | Lottiidae | Nipponacmea | 138 |
| 7 | Lottiidae | Testudinalia | 64 |
| 8 | Lottiidae | Niveotectura | 56 |
| 9 | Lottiidae | Discurria | 18 |
| 10 | Lottiidae | Atalacmea | 13 |
| 11 | Lottiidae | Radiacmea | 3 |
| 12 | Lottiidae | Asteracmea | 3 |
| 13 | Lottiidae | Erginus | 2 |
| 14 | Lottiidae | Actinoleuca | 1 |