Description: English: Male Alexteroon hypsiphonus from transition between Serra do Pingano and Serra do Uíge, Angola. Date: 5 June 2020. Source: Ernst, R., Lautenschläger, T., Branquima, M. F., and Hölting, M. 2020. At the edge of extinction: a first herpetological assessment of the proposed Serra do Pingano Rainforest National Park in Uíge Province, northern Angola. Zoosystematics and Evolution, 96(1): 237–262.
https://zse.pensoft.net/article/51997/. doi:10.3897/zse.96.51997. Author: Ernst, R., Lautenschläger, T., Branquima, M. F., and Hölting, M.