Dytiscidae Leach, 1815
Neobidessus alternatus (Régimbart, 1889)
Neobidessus alvarengai Young, 1981
Neobidessus atomus (Guignot, 1957)
Neobidessus ayapel Young, 1981
Neobidessus bokermanni Young, 1981
Neobidessus bolivari Young, 1981
Neobidessus bordoni Young, 1981
Neobidessus confusus Young, 1981
Neobidessus corumbensis (Zimmermann, 1921)
Neobidessus curticornis (Régimbart, 1903)
Neobidessus discoidalis (Sharp, 1882)
Neobidessus hylaeus Young, 1977
Neobidessus lilliputanus (Aubé, 1838)
Neobidessus obtusoides Young, 1977
Neobidessus obtusus (Sharp, 1882)
Neobidessus persimilis (Régimbart, 1895)
Neobidessus phyllisae Young, 1981
Neobidessus pulloides Young, 1977
Neobidessus pullus (LeConte, 1855)
Neobidessus spangleri Young, 1977
Neobidessus subvittatus (Zimmermann, 1921)
Neobidessus surinamensis (Régimbart, 1889)
Neobidessus tricorni Young, 1981
Neobidessus trilineatus (Zimmermann, 1925)
Neobidessus vittatipennis (Zimmermann, 1921)
Neobidessus whitcombi Young, 1981
Neobidessus woodruffi Young, 1981
Neobidessus youngi (Leech, 1948)