Genus Paracymus Thomson, 1867

Paracymus Thomson, 1867: 120 (Type species: Hydrophilus aeneus Germar, 1824).

Eumetacymus Brèthes, 1922: 263 (Type species: Eumetacymus virescens Brèthes, 1922 = Paracymus rufocinctus Bruch, 1915).

Paracymorphus Kuwert, 1888a: 39 (Type species: Paracymorphus globuloides Kuwert, 1888a = Hydrobius scutellaris Rosenhauer, 1856).

Quasiparacymus Marjanian, 2009: 124 (Type species: Hydrobius chalceolus Solsky, 1874).