Rödel M-O, Schmitz A, Penner J, Griesbaum F, Leaché AD, Ofori-Boateng C, Portik D, Doumbia J, Kouamé NG, Kpan TF, Gonwouo NL, Nopper J, Hillers A, Nago SGA, Ernst R, Glos J, Petzold A, Barej MF. Four new cryptic Ptychadena species from the Upper Guinean rainforests of West Africa (Amphibia, Anura, Ptychadenidae). Zootaxa [Internet]. 2026 Mar. 20 [cited 2026 Mar. 20];5779(1):1-66. Available from: https://mapress.com/zt/article/view/zootaxa.5779.1.1