Requested reference
Burger, M. & Carrera, P. C. (2011). Copulatory behaviour of the goblin spider Silhouettella loricatula (Arachnida: Araneae: Oonopidae). Bulletin of the British Arachnological Society 15(5): 173-178. doi:10.13156/arac.2010.15.5.173 -- Show included taxa