Cyaneidae
| 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.