Hydrophorus agalma- Hydrophorus albiceps
- Hydrophorus alboflorens
- Hydrophorus albosignatus
- Hydrophorus algens
- Hydrophorus alpinus
- Hydrophorus altivagus
- Hydrophorus amplectens
- Hydrophorus aureifacies
- Hydrophorus balticus
- Hydrophorus bipunctatus
- Hydrophorus borealis
- Hydrophorus carmichaelii
- Hydrophorus chrysologus
- Hydrophorus dreisbachi
- Hydrophorus eldoradensis
- Hydrophorus elevatus
- Hydrophorus extrarius
- Hydrophorus geminus
- Hydrophorus glaber
- Hydrophorus hydrophylax
- Hydrophorus intentus
- Hydrophorus kolensis
- Hydrophorus laticornis
- Hydrophorus litoreus
- Hydrophorus magdalenae
- Hydrophorus nebulosus
- Hydrophorus oceanus
- Hydrophorus ochrifacies
- Hydrophorus pacificus
- Hydrophorus pectinatus
- Hydrophorus pensus
- Hydrophorus philombrius
- Hydrophorus phoca
- Hydrophorus pilipes
- Hydrophorus praecox
- Hydrophorus rogenhoferi
- Hydrophorus rufibarbis
- Hydrophorus signifer
- Hydrophorus signiferus
- Hydrophorus sodalis
- Hydrophorus tristramensis
- Hydrophorus viridflos
- Hydrophorus viridis
- Hydrophorus williamsi