BioStor
 | II.— On aquatic carnivorous Coleoptera or Dytiscidæ David Sharp (1882) Scientific Transactions of The Royal Dublin Society 2: 179-1003 |
 | Genus-group names of the Neuroptera, Megaloptera and Raphidioptera of the world John D Oswald and Norman D Penny (1991) Occasional Papers of the California Academy of Sciences 147: 1-94 |