Definitions for "Indriidae"
family of Madagascar prosimians that includes the indri, sifaka, and avahi.
a family of Lemuroidea
The Indriidae (also spelled Indridae) are a family of strepsirrhine primates. They are medium to large sized lemurs with only four teeth in the toothcomb instead of the usual six. Indriids, like all lemurs, live exclusively on the island of Madagascar.