Picodynastornithes is a clade that contains the orders Coraciiformes (rollers and kingfishers) and Piciformes (woodpeckers and toucans). This grouping also has current and historical support from molecularNaish, D. (2012). "Birds." Pp. 379–423 in Brett-Surman, M.K., Holtz, T.R., and Farlow, J. O. (eds.), The Complete Dinosaur (Second Edition). Indiana University Press (Bloomington & Indianapolis).Kimball, R.T. et al. (2013) Identifying localized biases in large datasets: A case study using the Avian Tree of Life. Mol Phylogenet Evol. and morphological studies. This group was defined in the PhyloCode by George Sangster and colleagues in 2022 as "the least inclusive crown clade containing Coracias garrulus, Alcedo atthis, and Picus viridis".
References