Hydrophilus

Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Atelocerata
Class: Hexapoda (including Insecta)
Infraclass: Neoptera
Subclass: Pterygota
Order: Coleoptera
Suborder: Polyphaga
Infraorder: Staphyliniformia
Superfamily: Hydrophiloidea
Family: Hydrophilidae
Subfamily: Hydophilinae
Tribe: Hydrolphilini: Hydophilina
Genus: Hydrophilus