Water beetle subclass of aquatic insect
Dytiscidae
Gyrinidae (Whirligig beetles)
Haliplidae
Noteridae
Amphizoidae
Hygrobiidae (Squeak beetles)
Meruidae
Hydroscaphidae (Skiff beetles).Families in which the adults are not necessarily aquatic include:
is a type of is a kind of is a subtype of belongs to category is classified as