Australophocaena dioptrica (Lahille, 1912). Ann. Mus. Nat. Hist., Buenos Aires, 23:269.

TYPE LOCALITY: Argentina, Buenos Aires, "capturado en Punta Colares, cerca de Quilmes".

DISTRIBUTION: Southern Hemisphere: cold-temperate waters; Uruguay, Argentina; Falkland, South Georgia, Heard, Macquarie and the Auckland Isis, perhaps Kerguelen Isis. Perhaps circumpolar, see Baker (1977).

STATUS: CITES - Appendix II.

SYNONYMS: stornii.

COMMENTS: Reviewed by Brownell (1975a, Mammalian Species, 66, as Phocoena dioptrica). Barnes (1985) proposed Australophocaena to house this species. Phocaena obtusata is synonymous with Cephalorhynchus eutropia. See Goodall et al. (1988).