Children (26 direct children, 57290 direct and indirect children):
Trachypachidae
(tree size 79)
False ground beetles
Haliplidae
(tree size 247)
Haliplids
Dytiscidae
(tree size 5123)
Predaceous diving beetles
Noteridae
(tree size 302)
Whirligig beetle
(tree size 1071)
Gyrinidae
Aspidytidae
(tree size 3)
Gyrinoidea
Haliploidea
Caraboidea
(tree size 50336)
Hygrobiidae
(tree size 9)
Squeak beetles
Rhysodidae
(tree size 7)
Wrinkled bark beetles
Parahygrobiidae
(tree size 2)
Coptoclavidae
(tree size 63)
Colymbothetidae
(tree size 2)
Colymbotethidae
Liadytidae
(tree size 8)
Pelobiidae
Meruidae
(tree size 2)
Comb-clawed cascade beetles
Hydradephaga
Amphizoidae
(tree size 7)
Trout-stream beetles
Tritarsusidae
(tree size 2)
Tritarsidae
Protodytiscus
Geadephaga
Triaploidea
Eodromeites
(tree size 1)
Paelobiidae