Ovis Linnaeus, 1758
Ovis canadensis subsp. californiana Douglas, 1829
Ovis canadensis subsp. canadensis Shaw, 1804
Ovis canadensis subsp. cremnobates Elliot, 1904
Ovis canadensis subsp. mexicana Merriam, 1901
Ovis canadensis subsp. nelsoni Merriam, 1897
Ovis canadensis subsp. weemsi Goldman, 1937