Taxonomic Notes: We follow Rivera et al. (2017) in recognizing Genyophryne, Liophryne, and Oxydactyla as synonyms of Sphenophryne. We acknowledge the relationships among these species remain poorly resolved and there may be additional genus-level taxonomic changes in the future.
Rivera, J. A., F. Kraus, A. Allison, and M. A. Butler. 2017. Molecular phylogenetics and dating of the problematic New Guinea microhylid frogs (Amphibia: Anura) reveals elevated speciation rates and need for taxonomic reclassification. Molecular Phylogenetics and Evolution 112: 1-11.