This order is represented by the Musophagidae (turacos and go-away-birds), a family confined to Africa.
References
Field, D.J., and A.Y. Hsiang (2018), A North
American stem turaco, and the complex biogeographic history of modern birds, BMC Evol. Biol. 18:102.
DOI: 10.1186/s12862-018-1212-3. (pdf)
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)
Perktas, U., and J.G. Groth, and G.F. Barrowcloth (2020), Phylogeography, species limits, phylogeny, and classification of the turacos (Aves:
Musophagidae)
based on mitochondrial and nuclear DNA sequences, Am. Mus. Novit. 3934, 1-61. (pdf)
Veron, G., and B.J. Winney (2000), Phylogenetic relationships within the turacos (Musophagidae), Ibis 142,
446-456. (abstract)