Animalia | Arthropoda | Insecta | Coleoptera | Hydrophilidae | Hydrophilus | Hydrophilus | Hydrophilus ensifer
root | cellular organisms | Eukaryota | Viridiplantae | Streptophyta | Streptophytina | Embryophyta | Tracheophyta | Euphyllophyta | Spermatophyta | Magnoliopsida | Mesangiospermae | Liliopsida | Petrosaviidae | commelinids | Poales | Restionaceae | Hydrophilus