@book{SkelleyDellacasaDellacasa2009,
  author    = {Paul E. Skelley and Marco Dellacasa and Giovanni Dellacasa},
  title     = {Gordonius rhinocerillus, a new genus and species of Colombian Aphodiini (Coleoptera: Scarabaeidae: Aphodiinae)},
  url       = {http://www.centerforsystematicentomology.org/insectamundi/},
  year      = {2009},
}