@book{PaulsenHawks2009,
  author    = {Matthew J. Paulsen and David C. Hawks},
  title     = {Platyceroidini, a new tribe of North American stag beetles(Coleoptera: Lucanidae: Lucaninae)},
  url       = {http://www.centerforsystematicentomology.org/insectamundi/},
  year      = {2009},
}