Project 687: F. G. Marx, R. E. Fordyce. 2015. Baleen boom and bust – a synthesis of mysticete phylogeny, diversity and disparity. Royal Society Open Science. 2 (4):140434.
Nishiwaki, M and Kasuya, T. 1970. A Greenland right whale caught at Osaka Bay. Scientific Reports of the Whales Research Institute. Vol. 22, pp. 45-62.