A new report on cetacean taxonomy is available: Perrin, W. F., J. G. Mead and R. L. Brownell, Jr. 2009. Review of the evidence used in the description of currently recognized cetacean subspecies. NOAA Technical Memorandum NMFS NOAA_TM_NMFS-SWFSC-450, 38pp. A pdf is available at https://swfsc.noaa.gov/publications/TM/SWFSC/NOAA-TM-NMFS-SWFSC-450.pdf Corresponding author is Bill Perrin (william.perrin@noaa.gov).