Heimer, S. & Müller, H.-G. (1991). Styposis clausis Levi, 1960 (Arachnida: Araneida: Theridiidae) from the Sierra Nevada de Santa Marta (Colombia) and functional morphology of its copulatory organs. Revue Suisse de Zoologie 98: 159-163. doi:10.5962/bhl.part.79782 -- Show included taxa