The family Mitrospingidae, established in 2013 and recognized by the American Ornithological Society in 2017 and the International Ornithological Committee, encompasses a small group of passerine birds previously classified under the Thraupidae. These birds are native to South and southern Central America and include three genera: Mitrospingus, which has the Dusky-faced tanager (M. cassinii) and Olive-backed tanager (M. oleagineus); Orthogonys, with the Olive-green tanager (O. chloricterus); and Lamprospiza, which includes the Red-billed pied tanager (L. melanoleuca). There are, in total, four species within this family.