Hydrophilidae Latreille, 1802
Cryptopleurum americanum Horn, 1890
Cryptopleurum crenatum (Kugelann, 1794)
Cryptopleurum evansi Balfour-Browne, 1945
Cryptopleurum impressum Sharp, 1882
Cryptopleurum minutum (Fabricius, 1775)
Cryptopleurum pygmaeum Orchymont, 1913
Cryptopleurum subtile Sharp, 1884
Cryptopleurum vagans LeConte, 1855