Bick, A., & Meißner, K. (2011). Redescription of four species of Spio and Microspio (Polychaeta, Spionidae) from the Kuril Islands and Peter the Great Bay, northwest Pacific. Zootaxa, 2968(1), 39–56. https://doi.org/10.11646/zootaxa.2968.1.3