Musco, L., & Giangrande, A. (2005). A new sponge-associated species, Syllis mayeri n. sp.(Polychaeta: Syllidae), with a discussion on the status of S. armillaris (Müller, 1776). Scientia Marina, 69(4), 467–474. https://doi.org/10.3989/scimar.2005.69n4467