Hilário, Ana, and Marina R. Cunha. 2008. “On Some Frenulate Species (Annelida: Polychaeta: Siboglinidae) from Mud Volcanoes in the Gulf of Cadiz (NE Atlantic)”. Scientia Marina 72 (2):361-71. https://doi.org/10.3989/scimar.2008.72n2361.