| Cystophora | |
|---|---|
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| |
| Cystophora retroflexa | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Clade: | Diaphoretickes |
| Clade: | SAR |
| Clade: | Stramenopiles |
| Phylum: | Gyrista |
| Subphylum: | Ochrophytina |
| Class: | Phaeophyceae |
| Order: | Fucales |
| Family: | Sargassaceae |
| Genus: | Cystophora J.Agardh, 1841 |
Cystophora is a genus of brown algae found mostly in temperate waters around Australia.