| Name | Children | Media (from resource) | Traits |
|---|---|---|---|
| Zonitoides nitida | 0 | 0 | 1 |
| Zonitoides nitidus (O. F. Müller 1774) (Black Gloss Snail) | 0 | 0 | 1 |
| Zoothamniidae | 1 | 0 | 0 |
| Zoothamnium Bory de St. Vincent 1826 | 1 | 0 | 0 |
| Zoothamnium pelagicum | 0 | 0 | 1 |
| Zootoca | 1 | 0 | 0 |
| Zootoca vivipara (Lichtenstein 1823) (Viviparous lizard) | 0 | 0 | 1 |
| Zopheridae (ironclad beetles) | 1 | 0 | 0 |
| Zora | 1 | 0 | 0 |
| Zora spinimana (Sundevall 1833) | 0 | 0 | 1 |
| Zoridae | 1 | 0 | 0 |
| Zoropsidae (false wolf spiders) | 1 | 0 | 0 |
| Zoropsis | 1 | 0 | 0 |
| Zoropsis spinimana (Dufour 1820) (Zoropsid spider) | 0 | 0 | 1 |
| Zospeum Bourguignat 1856 | 1 | 0 | 0 |
