Nerillidium - 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, Not assigned, Nerillidae, Nerillidium
Nerillidium gracile, Nerillidium levetzovi, Nerillidium macropharyngeum, Nerillidium marinum, Nerillidium mediterraneum, Nerillidium renaudae, Nerillidium simplex, Nerillidium troglochaetoides