Pogonomyrmex occidentalis was created in 1865.
Pogonomyrmex californicus was created in 1968.
Pogonomyrmex maricopa was created in 1914.
Pogonomyrmex rugosus was created in 1895.
Blepharipoda occidentalis was created in 1840.
Scotura occidentalis was created in 2008.
Boletus occidentalis was created in 2007.
Linderiella occidentalis was created in 1923.
Ucides occidentalis was created in 1897.
Daphnia occidentalis was created in 1986.
Androsace occidentalis was created in 1813.
Megasoma occidentalis was created in 1963.
Cephalanthus occidentalis was created in 1753.