| Name | Children | Media (from resource) | Traits |
|---|---|---|---|
| Zodalia Mulsant 1874 | 0 | 0 | 0 |
| Zodionemertes | 1 | 6 | 0 |
| Zodionemertes chilensis Gibson 1985 | 0 | 6 | 0 |
| Zoidbergus Jozwiak 2014 | 1 | 6 | 0 |
| Zoila Jousseaume 1884 | 1 | 4 | 0 |
| Zoila decipiens (E. A. Smith 1880) | 0 | 2 | 0 |
| Zoila friendii vercoi F. Schilder 1930 | 0 | 2 | 0 |
| Zolotarewskya | 1 | 3 | 0 |
| Zomaria | 2 | 1 | 0 |
| Zonaria C. Agardh 1817 | 1 | 2 | 0 |
| Zonaria C. Agardh 1817 | 0 | 2 | 0 |
| Zonemyia spinosa Shannon | 0 | 3 | 0 |
| Zonites bauri Dall 1892 | 0 | 1 | 0 |
| Zonitoides Lehmann 1862 | 1 | 9 | 0 |
| Zonitoides arboreus (Say 1817) (bark snail) | 0 | 9 | 0 |
