Original description:
Avahis laniger occidentalis Lorenz, 1898, Abh. Senckenb. Naturforsch. Ges., 21 (3): 443-469, pls. 30-33.
Common names:
Western Woolly Lemur [English]
Avahi Occidental [French]
Westlicher Wollmaki [German]
Westelijke Wolmaki [Dutch]
Fotsifé [Malagasy]
Tsarafangitra [Malagasy]