BioStor
 | II.— On aquatic carnivorous Coleoptera or Dytiscidæ David Sharp (1882) Scientific Transactions of The Royal Dublin Society 2: 179-1003 |
 | XXI. The water-beetles of Japan By David Sharp (1884) Transactions of The Royal Entomological Society of London 32: 439-464 |
 | Sur le tarse des Dytiscides. Essai de morphologie comparee (1910) Annales De La Societe Entomologique Paris 79: 395-466 |
 | Contributions toward a knowledge of the insect fauna of Lower California. Coleoptera: Halipidae, Dytiscidae, Gyrinidae, Hydrophilidae, Limnebiidae Hugh Bosdin Leech (1948) Proceedings of the California Academy of Sciences 24: 375-484 |