Ernst, Raffael; Kehlmaier, Christian; Baptista, Ninda L.; Pinto, Pedro Vaz; Branquima, Makaya Futuro; Dewynter, Maël; Fouquet, Antoine; Ohler, Annemarie & Schmitz, Andreas (2021). "Filling the gaps: The mitogenomes of Afrotropical egg-guarding frogs based on historical type material and a re-assessment of the nomenclatural status of Alexteroon Perret, 1988 (Hyperoliidae)". Zoologischer Anzeiger. 293: 215–224. doi:10.1016/j.jcz.2021.06.002.