C. M.  House and Simmons, L. W., ?Genital morphology and fertilization success in the dung beetle Onthophagus taurus: an example of sexually selected male genitalia?, Proceedings of the Royal society of London B, vol. 270, pp. 447-455, 2003.

C. M.  House and Simmons, L. W., ?The evolution of male genitalia: patterns of genetic variation and covariation in the genital sclerites of the dung beetle Onthophagus taurus?, Journal of Evolutionary Biology, vol. 18, pp. 1281-1292, 2005.

C. M.  House and Simmons, L. W., ?Offensive and defensive sperm competition roles in the dung beetle Onthophagus taurus (Coleoptera: Scarabaeidea)?, Behavioral Ecology and Sociobiology, vol. 60, pp. 131-136, 2006.