Original description:
Propithecus diadema Bennet, 1832, Proc. Zool. Soc. London: 20.
Common names:
Diademed Sifaka [English]
Sifaka [English]
Propithèque à Diadème [French]
Diademsifaka [German]
Diadeemsifaka [Dutch]
Simpona [Malagasy]
Simpony [Malagasy]