Phoca sibirica Gmelin, 1788 . In Linnaeus, Syst. Nat., 13th ed., 1:64.

TYPE LOCALITY: "Baikal et Orom" [Lake Baikal and Lake Oron (=Ozero Oron), U.S. S. R.] .

DISTRIBUTION: Endemic to Lake Baikal (Russia).

SYNONYMS: baicalensis Dybowski, 1873; oronensis Dybowski, 1922.

COMMENTS: Placed in Pusa Scopoli, 1777, followed by Scheffer (1958). Reviewed by Thomas et al. (1982, Mammalian Species, 188).