| Subfamily | Acarochelopodinae
Bartsch, 1977
| 1
0 | Genus
Species |
| Subfamily | Actacarinae
Viets, 1939
| 1
31 | Genus
Species |
| Subfamily | Anomalohalacarinae
Bartsch, 1985
| 1
20 | Genus
Species |
| Subfamily | Astacopsiphaginae
Viets, 1931
| 1
1 | Genus
Species |
| Subfamily | Australacarinae
Otto, 2000
| 1
2 | Genus
Species |
| Subfamily | Copidognathinae
Bartsch, 1983
| 4
456 | Genera
Species |
| Subfamily | Enterohalacarinae
Viets, 1938
| 1
1 | Genus
Species |
| Subfamily | Halacarinae
Murray, 1877
| 13
537 | Genera
Species |
| Subfamily | Halixodinae
Viets, 1927
| 4
113 | Genera
Species |
| Subfamily | Isobactrinae
| 1
31 | Genus
Species |
| Subfamily | Limnohalacarinae
Viets, 1927
| 6
60 | Genera
Species |
| Subfamily | Lohmanellinae
| 1
4 | Genus
Species |
| Subfamily | Lohmannellinae
Viets, 1927
| 4
88 | Genera
Species |
| Subfamily | Porohalacarinae
Viets, 1933
| 4
28 | Genera
Species |
| Subfamily | Porolohmanellinae
| 1
5 | Genus
Species |
| Subfamily | Porolohmannellinae
Viets, 1933
| 1
7 | Genus
Species |
| Subfamily | Rhombognathinae
Viets, 1927
| 3
171 | Genera
Species |
| Subfamily | Ropohalacarinae
I. Bartsch, 1989
| 1
2 | Genus
Species |
| Subfamily | Simognathinae
Viets, 1927
| 3
68 | Genera
Species |
| Subfamily | Spongihalacarinae
Otto, 2000
| 1
2 | Genus
Species |
| Genus | Acanthohalacarus
Bartsch, 2001
| 1 | Species |
| Genus | Acanthopalpus
N. G. Makarova, 1978 ⇒ Makarovana
| 3 | Species |
| Genus | Agauopis
| 0 | Species |
| Genus | Aguae
| 1 | Species |
| Genus | Aguaopsis
| 0 | Species |
| Genus | Aletes
Lohmann, 1889
| 4 | Species |
| Genus | Amlimnohalacarus
Fain & Lambrechts, 1987
| 0 | Species |
| Genus | Anomahalacarus
| 0 | Species |
| Genus | Arenihalacarus
H. Abe, 1991
| 1 | Species |
| Genus | Australacarus
Bartsch, 1987
| 5 | Species |
| Genus | Copidognathopsis
Viets, 1927
| 5 | Species |
| Genus | Corallihalacarus
Otto, 1999
| 1 | Species |
| Genus | Hallacarellus
| 0 | Species |
| Genus | Ischyrognathus
Trouessart, 1901
| 0 | Species |
| Genus | Katharinera
Vercammen-Grandjean, 1976
| 1 | Species |
| Genus | Leptognathus
Swainson, 1838
| 0 | Species |
| Genus | Leptospathis
Trouessart, 1894
| 2 | Species |
| Genus | Maracarus
Bartsch, 2016
| 8 | Species |
| Genus | Metarhombognathus
Newell, 1947 ⇒ Rhombognathopsis
| 3 | Species |
| Genus | Mictognathus
Newell, 1984
| 3 | Species |
| Genus | Peregrinacarus
Bartsch, 1999
| 2 | Species |
| Genus | Phacacarus
Bartsch, 1992
| 1 | Species |
| Genus | Plegadognathus
Morselli, 1980 ⇒ Arhodeoporus
| 7 | Species |
| Genus | Polymela
Lohmann, 1901
| 0 | Species |
| Genus | Pontacarus
Lohmann, 1901
| 1 | Species |
| Genus | Pseudosoldanellonyx ♰
Sokolov & Jankovskaja, 1970
| 2 | Species |
| Genus | Rhombognathides
Viets, 1927 ⇒ Rhombognathoides
| 15 | Species |
| Genus | Rhombognatides
| 5 | Species |
| Genus | Thalassacarus
Newell, 1949
| 2 | Species |
| Genus | Thalassophthirius
V. M. Behan-Pelletier, 1989
| 1 | Species |
| Genus | Troglohydracarus
Viets, 1937
| 0 | Species |
| Genus | Tropihalacarus
Otto & Bartsch, 1999
| 2 | Species |
| Genus | Trouessartella
Lohmann, 1901
| 0 | Species |
| Genus | Velardeacarus
J. I. Gil & F. Mane-Garzon, 1980
| 1 | Species |
| Genus | Velardoacarus
Gil & Garzon, 1979
| 1 | Species |
| Genus | Werthelloides
I. Bartsch, 1986
| 1 | Species |
| Genus | Winlundia
I. M. Newell, 1984
| 2 | Species |
