Mesoplodon ginkgodens Nishiwaki and Kamiya, 1958 . Sci. Rep. Whales Res. Inst. (Tokyo), 13:53, 13 figs., 17 pls.
TYPE LOCALITY: Japan, "Oiso Beach, Sagami Bay, near Tokyo."
DISTRIBUTION: North Pacific and Indian Oceans: warm-temperate to tropical waters; Japan, Taiwan, Baja California, Sri Lanka, Indonesia and Australia.
STATUS: CITES - Appendix II.
SYNONYMS: hotaula .
COMMENTS: Reviewed by J. G. Mead (1989c)