Syllis ramosa
| Syllis ramosa | |
|---|---|
| Syllis ramosa (on right) | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Annelida | 
| Clade: | Pleistoannelida | 
| Subclass: | Errantia | 
| Order: | Phyllodocida | 
| Family: | Syllidae | 
| Genus: | Syllis | 
| Species: | S. ramosa | 
| Binomial name | |
| Syllis ramosa McIntosh, 1879 | |
Syllis ramosa is a species of polychaete worm in the family Syllidae. It is found in the deep sea where it lives within the tissues of a sponge. It was the first branching polychaete worm to be discovered, with each worm having a single head and multiple anuses.