| Name | Children | Media (from resource) | Traits |
|---|---|---|---|
| Abollifer | 1 | 0 | 0 |
| Abollifer prolabens | 0 | 0 | 1 |
| Acanthocorbis S. Hara & E. Takahashi 1984 | 2 | 0 | 0 |
| Turbo mazatlanicus | 0 | 0 | 1 |
| Acanthocorbis asymmetrica | 0 | 0 | 1 |
| Acanthodiacrodium | 1 | 0 | 0 |
| Acanthodiacrodium tremadocum | 0 | 0 | 1 |
| Acanthoeca W. Ellis 1930 | 1 | 0 | 0 |
| Acanthoeca spectabilis | 0 | 0 | 1 |
| Acanthoecaceae | 2 | 0 | 0 |
| Acanthoecidae | 10 | 0 | 0 |
| Acanthoecopsis Norris 1965 | 1 | 0 | 0 |
| Acanthoecopsis asymmetrica | 0 | 0 | 1 |
| Acarospora | 1 | 0 | 0 |
| Tritonoharpa panamensis | 0 | 0 | 1 |
