Barnes, L. G.; Kimura, M.; Furusawa, H.; Sawamura, H. Classification and distribution of Oligocene Aetiocetidae (Mammalia; Cetacea; Mysticeti) from western North America and Japan. The Island Arc. 1995, 3 (4): 392–431. ISSN 1440-1738. doi:10.1111/j.1440-1738.1994.tb00122.x.
Barnes, L. G.; Kimura, M.; Furusawa, H.; Sawamura, H. Classification and distribution of Oligocene Aetiocetidae (Mammalia; Cetacea; Mysticeti) from western North America and Japan. The Island Arc. 1995, 3 (4): 392–431. ISSN 1440-1738. doi:10.1111/j.1440-1738.1994.tb00122.x.