| Cyerce | |
|---|---|
| Cyerce nigricans on Chlorodesmis fastigiata. Locality: Lizard Island, Great Barrier Reef. The length of the slug is about 4 cm. | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| (unranked): | clade Heterobranchia informal group Opisthobranchia clade Sacoglossa clade Placobranchacea |
| Superfamily: | Limapontioidea |
| Family: | Caliphyllidae |
| Genus: | Cyerce Bergh, 1871 |
Cyerce is a genus of sacoglossan sea slugs, a shell-less marine opisthobranch gastropod mollusks in the family Caliphyllidae.