Hydrometroidea
Enithares Spinola, 1837
Macrovelia Tamanini, 1947
Oravelia Drake & Chapman, 1963
Pleciogonus Chen, Nieser & Wattanachaiyingcharoen, 2002
Pseudovelia Hoberlandt, 1950
Rheumatogonus Kirkaldy, 1909
Ventidius Distant, 1910
Xiphovelia Lundblad, 1933