Hyperoodon planifrons Flower, 1882. Proc. Zool. Soc. Lond., 1882:392, figs. 1, 2.

TYPE LOCALITY: "found upon the sea-beach of Lewis Island in the Dampier Archipelago, North-western Australia."

DISTRIBUTION: Southern Hemisphere: circumpolar, antarctic to temperate waters, occasionally into tropical waters. May occur in the W North Pacific.

STATUS: CITES - Appendix I.

SYNONYMS: burmeisterei.

COMMENTS: Reviewed by J. G. Mead (1989b). Moore (1968) erected the subgenus Frasercetus for this species.