Loader, Simon P., G. John Measey, Rafael O. de Sá, and Patrick K. Malonza. 2009. “A New Brevicipitid Species (Brevicipitidae: Callulina) from the Fragmented Forests of the Taita Hills, Kenya”. Zootaxa 2123 (1). Auckland, New Zealand:55–68. https://doi.org/10.11646/zootaxa.2123.1.3.