Cephalanthus occidentalis was created in 1753.
Cephalanthus salicifolius was created in 1809.
Scotura occidentalis was created in 2008.
Megasoma occidentalis was created in 1963.
Pogonomyrmex occidentalis was created in 1865.
Blepharipoda occidentalis was created in 1840.
Boletus occidentalis was created in 2007.
Daphnia occidentalis was created in 1986.
Toxomerus occidentalis was created in 1922.
Celtis occidentalis was created in 1753.
Bison occidentalis was created in 1898.
Oidaematophorus occidentalis was created in 1880.
Oxycanus occidentalis was created in 1935.