Opisthosyllis - Species Dictionary - Global : iSpot Nature - Your place to share nature. iSpot is a website aimed at helping anyone identify anything in nature. Once you've registered, you can add an observation to the website and suggest an identification yourself or see if anyone else can identify it for you.

Catalogue of Life
Animalia, Annelida, Polychaeta, Phyllodocida, Syllidae, Opisthosyllis
Opisthosyllis ankylochaeta, Opisthosyllis arboricola, Opisthosyllis australis, Opisthosyllis brevicirra, Opisthosyllis brunnea, Opisthosyllis convexa, Opisthosyllis corallicola, Opisthosyllis dorsoaciculata, Opisthosyllis japonica, Opisthosyllis laevis, Opisthosyllis longicirrata, Opisthosyllis longidentata, Opisthosyllis nuchalis, Opisthosyllis papillosa, Opisthosyllis simpliseta, Opisthosyllis viridis