Helophoridae Leach, 1815
Helophorus aequalis Thoms., 1868
Helophorus alternans Gené, 1836
Helophorus alternatus LeConte, 1861
Helophorus angusticollis Orchymont, 1945
Helophorus aquaticus (Linnaeus, 1758)
Helophorus arcticus Brown, 1937
Helophorus artus Smetana, 1985
Helophorus arvernicus Muls., 1846
Helophorus asperatus Rey, 1885
Helophorus (Rhopalohelophorus) asturiensis Kuwert, 1885
Helophorus auricollis Eschscholtz, 1822
Helophorus (Rhopalohelophorus) bameuli Angus, 1987
Helophorus (Rhopalohelophorus) barbarae Angus, 1985
Helophorus brevipalpis Bedel, 1881
Helophorus (Rhopalohelophorus) brevitarsis Kuwert, 1890
Helophorus brownei Angus
Helophorus browni McCorkle, 1970
Helophorus californicus Smetana, 1985
Helophorus (Rhopalohelophorus) calpensis Angus, 1988
Helophorus chamberlaini Smetana, 1985
Helophorus (Rhopalohelophorus) cincticollis Guillebeau, 1893
Helophorus columbianus McCorkle, 1965
Helophorus (Rhopalohelophorus) confrater Kuwert, 1886
Helophorus croaticus Kuw., 1886
Helophorus cuspifer Smetana, 1985
Helophorus (Rhopalohelophorus) dalmatinus Ganglbauer, 1901
Helophorus (Rhopalohelophorus) discrepans Rey, 1885
Helophorus dorsalis (Marsh., 1802)
Helophorus eclectus Orchymont, 1945
Helophorus (Rhopalohelophorus) fauveli Ganglbauer, 1901
Helophorus fenderi McCorkle, 1965
Helophorus flavipes F., 1792
Helophorus fortis LeConte, 1866
Helophorus frosti Smetana, 1985
Helophorus fulgidicollis Motsch., 1860
Helophorus furius Smetana, 1987
Helophorus (Rhopalohelophorus) glacialis Villa & Villa, 1833
Helophorus grandis Illiger, 1798
Helophorus granularis (Linnaeus, 1761)
Helophorus (Rhopalohelophorus) gratus Angus, 1987
Helophorus griseus Hbst., 1793
Helophorus (Helophorus) hammondi Angus, 1970
Helophorus hatchi McCorkle, 1965
Helophorus (Empleurus) hirsutiventris Angus, 1984
Helophorus (Empleurus) hispanicus (Sharp, 1915)
Helophorus (Rhopalohelophorus) illustris Sharp, 1916
Helophorus inflectus McCorkle, 1965
Helophorus (Rhopalohelophorus) jocoteroi Angus & Diaz Pazos, 1991
Helophorus (Rhopalohelophorus) kervillei Orchymont, 1932
Helophorus (Rhopalohelophorus) kirgisicus Kniz, 1914
Helophorus (Rhopalohelophorus) korotyaevi Angus, 1985
Helophorus lacustris LeConte, 1850
Helophorus (Rhopalohelophorus) lapponicus Thomson, 1853
Helophorus laticollis Thoms., 1853
Helophorus latipenis Hilsenhoff, 1995
Helophorus lecontei Knisch, 1924
Helophorus ledatus Orchymont, 1945
Helophorus leechi McCorkle, 1965
Helophorus (Rhopalohelophorus) leontis Angus, 1985
Helophorus (Helophorus) liguricus Angus, 1970
Helophorus linearis LeConte, 1855
Helophorus linearoides Orchymont, 1945
Helophorus lineatus Say, 1823
Helophorus longitarsis Woll., 1864
Helophorus marginicollis Smetana, 1985
Helophorus (Helophorus) maritimus Rey, 1885
Helophorus (Eutrichelophorus) micans Faldermann, 1835
Helophorus (Helophorus) milleri Kuwert, 1886
Helophorus minutus F., 1775
Helophorus (Rhopalohelophorus) montenegrinus Kuwert, 1885
Helophorus nanus Sturm, 1836
Helophorus (Rhopalohelophorus) nevadensis Sharp, 1916
Helophorus nitiduloides Orchymont, 1945
Helophorus nitidulus LeConte, 1855
Helophorus (Rhopalohelophorus) nivalis Giraud, 1852
Helophorus nubilus F., 1777
Helophorus oblongus LeConte, 1850
Helophorus (Orphelophorus) obscurellus Poppius, 1907
Helophorus obscurus Mulsant, 1844
Helophorus (Helophorus) occidentalis Angus, 1983
Helophorus orchymonti Smetana, 1985
Helophorus oregonus McCorkle, 1965
Helophorus orientalis Motschulsky, 1860
Helophorus (Rhopalohelophorus) pallidipennis Mulsant & Wachanru, 1852
Helophorus (Rhopalohelophorus) pallidus Gebler, 1830
Helophorus (Rhopalohelophorus) paraminutus Angus, 1986
Helophorus parasplendidus Angus, 1970
Helophorus porculus Bedel, 1881
Helophorus pumilio Er., 1837
Helophorus (Rhopalohelophorus) puncticollis Rey, 1885
Helophorus (Rhopalohelophorus) redtenbacheri Kuwert, 1885
Helophorus (Rhopalohelophorus) rinki Angus, 1985
Helophorus robertsi Smetana, 1985
Helophorus rufipes (Bosc., 1791)
Helophorus (Empleurus) schmidti Villa & Villa, 1838
Helophorus schuhi McCorkle, 1965
Helophorus (Rhopalohelophorus) seidlitzii Kuwert, 1885
Helophorus sempervarians Angus, 1970
Helophorus sibiricus (Motschulsky, 1860)
Helophorus (Rhopalohelophorus) similis Kuwert, 1887
Helophorus (Rhopalohelophorus) singularis Miller, 1881
Helophorus smetanai Hilsenhoff, 1995
Helophorus splendidus Sahlberg, 1880
Helophorus (Helophorus) strandi Angus, 1970
Helophorus strigifrons Thoms., 1868
Helophorus (Rhopalohelophorus) subarcuatus Rey, 1885
Helophorus tuberculatus Gyllenhal, 1808
Helophorus (Rhopalohelophorus) villosus Duftschmid, 1805
Helophorus (Rhopalohelophorus) wrootae Angus, 1988