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