The taxon is represented by ~44 species in one family, the Trogonidae. 

Genus-level timetree of extant Trogonidae based on Oliveros et al. (2019). The distribution of each taxon is indicated by the colour-code used throughout this website (Distribution code). 

Traditional genus-level classification of extant Trogoniformes, following AviList checklist v2025. (link) The number of subspecies is given in parentheses. 

References

Dickens JK, Bitton PP, Bravo GA, and Silveira LF (2021), Species limits, patterns of secondary contact and a new species in the Trogon rufus complex (Aves: Trogonidae), Zool. J. Linn. Soc. 20, 1-42. (free pdf)

Moyle RG (2005), Phylogeny and biogeographical history of Trogoniformes, a pantropical bird order, Biol. J. Linn. Soc. 84, 725-738. (abstract)

Oliveros CH, Andersen MJ, Hosner PA, Mauck WM, Sheldon FH, Cracraft J, and Moyle RG (2020), Rapid Laurasian diversification of pantropical bird family during the Oligocene-Miocene transition, Ibis 162, 137-152. (abstract)

Sangster G, Gregory SMS, and Dickinson EC (2023), Apaladermatinae, a new family-group name for the African trogons (Trogonidae), with clarification of the authorship of Harpactini, Avian Syst. 2, 45-52. (pdf)

Tamashiro RA, White ND, Braun MJ, Faircloth BC, Braun EL, and Kimball RT (2019), What are the roles of taxon sampling and model fit in tests of cyto-nuclear discordance using avian mitogenomic data?, Mol. Phylogenet. Evol. 130, 132-142. (abstract)