Raposo, M. A., G. M. Kirwan, O. Fonseca, A. P. Selvatti, E. Höfling, and R. Stopiglia. “Towards a More Coherent Taxonomy for the Woodcreepers Xiphorhynchus guttatus and X. guttatoides (Aves: Passeriformes: Dendrocolaptidae)”. Zootaxa, vol. 5683, no. 4, Aug. 2025, pp. 492-1, doi:10.11646/zootaxa.5683.4.2.