Family	Number of genera	Number of species / subspecies	Number of primary types	Number of determined specimens	Number of undetermined specimens
Amphizoidae	1	3	0	148	0
Carabidae (including Rhysodinae and Cicindelinae)	440	3,356	23	147,762	38,219
Dytiscidae	93	1,136	70	38,335	14,105
Gyrinidae	8	92	0	3,347	56
Haliplidae	4	53	0	4,759	111
Hygrobiidae	1	2	0	9	0
Meruidae	1	1	0	2	0
Noteridae	14	138	2	8,046	1
Trachypachidae	2	3	0	14	0