The classification used for dytiscids is that from the chapter by R. E. Roughley & D. J. Larson (2000) in American Beetles,
which differs slightly from the subfamily scheme presented by Lawrence & Newton (1995).

Hydrotrupinae

Copelatinae

Agabetinae

Laccophilinae

Hydroporinae

Colymbetinae

Dytiscinae

Aubehydrinae
 

unplaced taxa

Lancetes flavipes Zimmerman, 1924
Lancetes nigriceps (Erichson, 1832)
Lancetes varius (Fabricius, 1775)

Platynectes monostigma (Hope, 1842)

Regimbartina pruinosa Chatanay, 1910

Rhantaticus congestus (Klug, 1832)