Reference
Wolfgang Böhme (1994/1995): A record of Dimorphognathus africanus from Bioko, Equatorial Guinea, and deletion of Phrynodon sandersoni from the faunal list of this island (Anura: Ranidae: Petropedetinae) – Bonn zoological Bulletin - früher Bonner Zoologische Beiträge. – 45: 125 - 128.