| Genus | Aphrastochthonius
J. C. Chamberlin, 1962
| 13 | Species |
| Genus | Apochthonius
J. C. Chamberlin, 1929
| 28 | Species |
| Genus | Austrochthonius
J. C. Chamberlin, 1929
| 29 | Species |
| Genus | Cantabrochthonius
Zaragoza, 2017
| 1 | Species |
| Genus | Caribchthonius
Muchmore, 1976
| 2 | Species |
| Genus | Chiliochthonius
Vitali-di Castri, 1975
| 3 | Species |
| Genus | Chthonius
Koch, 1843
| 384 | Species |
| Genus | Congochthonius
Beier, 1959
| 1 | Species |
| Genus | Drepanochthonius
Beier, 1964
| 1 | Species |
| Genus | Ephippiochthonius
Beier, 1930 ⇒ Chthonius
| 138 | Species |
| Genus | Francochthonius
Vitali-di Castri, 1975
| 1 | Species |
| Genus | Globochthonius
Beier, 1931 ⇒ Chthonius
| 20 | Species |
| Genus | Hesperochthonius
Muchmore, 1968 ⇒ Chthonius
| 3 | Species |
| Genus | Kleptochthonius
J. C. Chamberlin, 1949
| 50 | Species |
| Genus | Malcolmochthonius
Benedict, 1978
| 3 | Species |
| Genus | Mexichthonius
Muchmore, 1975
| 3 | Species |
| Genus | Microchthonius
Kahwash, Subías & Ruiz, 1989
| 10 | Species |
| Genus | Mundochthonius
J. C. Chamberlin, 1929
| 31 | Species |
| Genus | Neochthonius
J. C. Chamberlin, 1929
| 10 | Species |
| Genus | Occidenchthonius
Zaragoza, 2017
| 48 | Species |
| Genus | Pseudochthonius
Balzan, 1892
| 37 | Species |
| Genus | Sathrochthoniella
Beier, 1967
| 2 | Species |
| Genus | Sathrochthonius
J. C. Chamberlin, 1962
| 10 | Species |
| Genus | Spelyngochthonius
Beier, 1955
| 6 | Species |
| Genus | Tyrannochthoniella
Beier, 1966
| 5 | Species |
