Phocoena dioptrica Lahille, 1912. Ann. Mus. Nat. Hist., Buenos Aires, 23: 269.
TYPE LOCALITY: Argentina, Buenos Aires, Punta Colares, near Quilmes.
DISTRIBUTION: Uruguay, Argentina, Falkland Isis., South Georgia, and the Auckland Isis., perhaps Kerguelen and New Zealand.
COMMENT: Perhaps circumpolar; see Baker, 1977, New Zealand J. Mar. Freshw. Res., 11:401-406. Reviewed by Brownell, 1975, Mamm. Species, 66:1-3.
PROTECTED STATUS: CITES - Appendix II as Order Cetacea.
ISIS NUMBER: 5301411002019001001.