Classification
Tree [regio]Heteroptera [subordo]
Notonectidae [familia]
Notonectinae [subfamilia]
Notonecta [genus]
Genus Notonecta Linnaeus, 1758 contains the following taxa:
Notonecta Linnaeus, 1758 [subgenus]
Paranecta Hutchinson, 1929 [subgenus]