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| Cyaneidae | |
|---|---|
| |
| Lion's mane jellyfish (Cyanea capillata) | |
| |
| Desmonema gaudichaudi | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Cnidaria |
| Class: | Scyphozoa |
| Order: | Semaeostomeae |
| Family: | Cyaneidae L. Agassiz, 1862 |
| Genera | |
The Cyaneidae are a family of true jellyfish. About 20 species are in this family, including the well-known lion's-mane jellyfish.