| Citation | Smithsonian Institution, 2016 Syllis gracilis Grube, 1840. http://collections.si.edu/search/results.htm?q=Syllis%09gracilis [Accessed 04/20/2016]. |
| Ref. | 107519 Smithsonian Institution, 2016 |
| Page | |
| Named Used as Valid | Syllis gracilis |
| Locality | |
| Distribution |