↑Schmidt P. J., 1940. On the Pacific genera Porocottus Gill and Crossias Jordan and Starks (Pisces, Cottidae). Bull. Acad. Sci. URSS, Classe Sci. Biol. v. 1940 (núm. 3). 377-387.
↑Gilbert, C. H., 1896. The ichthyological collections of the steamer Albatross during the years 1890 and 1891. Report of the United States Fish Commission v. 19 (1893): 393-476, Pls. 20-35.