Class [Mammalia] Linnaeus, 1758 - mammals
Order Primates Linnaeus, 1758 - primates
Family Indriidae Burnett, 1828, orth. cons. - avahi, sifakas, and indri
1 Genus Avahi Jourdan, 1834 - avahi, woolly lemur
2 Genus Propithecus Bennett, 1832 - sifakas
3 Genus Indri Geoffroy Saint-Hilaire & Cuvier, 1796 - indri