BioStor
 | Observations on the Coleoptera of Port Essington, in Australia, with descriptions of the following new species F W Hope (1842) Annals and Magazine of Natural History 9: 423-430 |
 | Proceedings of Learned Societies (1842) Annals And Magazine of Natural History 9: 422-432 |
 | II.— On aquatic carnivorous Coleoptera or Dytiscidæ David Sharp (1882) Scientific Transactions of The Royal Dublin Society 2: 179-1003 |