Requested reference

Dimitrov, D., Lopardo, L., Giribet, G., Arnedo, M. A., Álvarez-Padilla, F. & Hormiga, G. (2012). Tangled in a sparse spider web: single origin of orb weavers and their spinning work unravelled by denser taxonomic sampling. Proceedings of the Royal Society B, Biological Sciences 279: 1341-1350 & Suppl. 1-5. doi:10.1098/rspb.2011.2011 download pdf -- Show included taxa