This order is represented by the Musophagidae (turacos), a family confined to Africa.
Timetree of Musophagidae
Njabo, K.Y., and M.D. Sorenson (2009), Origin of Bannerman's Turaco Tauraco bannermani in relation to historical climate change and the distribution of
West African montane forests, Ostrich 80, 1-8. (abstract)
Veron, G., and B.J. Winney (2000), Phylogenetic relationships within the turacos (Musophagidae), Ibis 142, 446-456.