Acanthixalus sonjae Roedel, Kosuch, Veith & Ernst 2003

Roedel, Kosuch, Veith & Ernst 2003. First record of the genus Acanthixalus Laurent, 1944 from the upper Guinean Rain Forest, West Africa, with the description of a new species. Journal of Herpetology, 37(1), March 2003: 43-52