Lagenorhynchus obliquidens Gill, 1865 . Proc. Acad. Nat. Sci. Philadelphia, 17:177.

TYPE LOCALITY: USA, "obtained at San Francisco, California " .

DISTRIBUTION: North Pacific: cold-temperate waters except warm-temperate waters of the ends of its range. Undocumented sighting from Hong Kong (Hammond and Leatherwood, 1984:495).

STATUS: CITES - Appendix II.

SYNONYMS: longidens, ognevi .

COMMENTS: May be a Northern Hemisphere form of L. obscurus . Lagenorhynchus thicolea is not synonymous with L. obliquidens (see Lissodelphis).