| Genus | Author | # Accepted Species | Links | |
|---|---|---|---|---|
| 1 | Anaulacodithella | Beier, 1944 | 7 | Species | Detail |
| 2 | Anisoditha | Chamberlin and Chamberlin, 1945 | 1 | Species | Detail |
| 3 | Aphrastochthonius | Chamberlin, 1962 | 13 | Species | Detail |
| 4 | Apochthonius | Chamberlin, 1929 | 24 | Species | Detail |
| 5 | Austrochthonius | Chamberlin, 1929 | 23 | Species | Detail |
| 6 | Ayyalonia | Ćurčić, 2008 | 1 | Species | Detail |
| 7 | Cantabrochthonius | Zaragoza, 2017 | 1 | Species | Detail |
| 8 | Caribchthonius | Muchmore, 1976 | 2 | Species | Detail |
| 9 | Chiliochthonius | Vitali-di Castri, 1976 | 2 | Species | Detail |
| 10 | Chthonius | C.L. Koch, 1843 | 132 | Species | Detail |
| 11 | Compsaditha | Chamberlin, 1929 | 12 | Species | Detail |
| 12 | Congochthonius | Beier, 1959 | 1 | Species | Detail |
| 13 | Cryptoditha | Chamberlin and Chamberlin, 1945 | 2 | Species | Detail |
| 14 | Ditha | Chamberlin, 1929 | 14 | Species | Detail |
| 15 | Dithella | Chamberlin and Chamberlin, 1945 | 2 | Species | Detail |
| 16 | Drepanochthonius | Beier, 1964 | 1 | Species | Detail |
| 17 | Ephippiochthonius | Beier, 1930 | 124 | Species | Detail |
| 18 | Francochthonius | Vitali-di Castri, 1976 | 1 | Species | Detail |
| 19 | Globochthonius | Finnegan, 1932 | 20 | Species | Detail |
| 20 | Haploditha | Caporiacco, 1951 | 1 | Species | Detail |
| 21 | Hesperochthonius | Browning, 1970 | 3 | Species | Detail |
| 22 | Heterolophus | Tömösváry, 1884 | 4 | Species | Detail |
| 23 | Kleptochthonius | Chamberlin, 1949 | 39 | Species | Detail |
| 24 | Lagynochthonius | Beier, 1951 | 83 | Species | Detail |
| 25 | Lechytia | Balzan, 1892 | 28 | Species | Detail |
| 26 | Malcolmochthonius | Benedict, 1978 | 3 | Species | Detail |
| 27 | Maorichthonius | Chamberlin, 1925 | 1 | Species | Detail |
| 28 | Mexichthonius | Muchmore, 1975 | 3 | Species | Detail |
| 29 | Microchthonius | Hadži, 1933 | 9 | Species | Detail |
| 30 | Mundochthonius | Chamberlin, 1929 | 28 | Species | Detail |
| 31 | Neobalkanella | Ćurčić, 2013 | 1 | Species | Detail |
| 32 | Neochthonius | Chamberlin, 1929 | 4 | Species | Detail |
| 33 | Neoditha | Feio, 1945 | 1 | Species | Detail |
| 34 | Occidenchthonius | Zaragoza, 2017 | 50 | Species | Detail |
| 35 | Paraliochthonius | Beier, 1956 | 26 | Species | Detail |
| 36 | Pseudochthonius | Balzan, 1892 | 38 | Species | Detail |
| 37 | Pycnodithella | Beier, 1947 | 2 | Species | Detail |
| 38 | Rheodithella | Dashdamirov and Judson, 2004 | 2 | Species | Detail |
| 39 | Sathrochthoniella | Beier, 1967 | 1 | Species | Detail |
| 40 | Sathrochthonius | Chamberlin, 1962 | 8 | Species | Detail |
| 41 | Sororoditha | Chamberlin and Chamberlin, 1945 | 1 | Species | Detail |
| 42 | Spelyngochthonius | Beier, 1955 | 6 | Species | Detail |
| 43 | Tridenchthonius | Balzan, 1887 | 16 | Species | Detail |
| 44 | Troglochthonius | Beier, 1939 | 2 | Species | Detail |
| 45 | Typhloditha | Beier, 1955 | 3 | Species | Detail |
| 46 | Tyrannochthoniella | Beier, 1966 | 3 | Species | Detail |
| 47 | Tyrannochthonius | Chamberlin, 1929 | 172 | Species | Detail |
| 48 | Verrucaditha | Chamberlin, 1929 | 1 | Species | Detail |
| 49 | Verrucadithella | Beier, 1931 | 3 | Species | Detail |
| 50 | Vulcanochthonius | Muchmore, 2000 | 3 | Species | Detail |
| 51 | Zaragozachthonius | Gardini, 2020 | 2 | Species | Detail |
| Genus | Author | # Accepted Species | Links | |
|---|---|---|---|---|
| 1 | † Burmeochthonius | Johnson, Loria, Kotthoff, Hammel, Joseph and Harms, 2023 | 2 | Species | Detail |
| 2 | † Chelignathus | Menge, 1854 | 1 | Species | Detail |
| 3 | † Prionochthonius | Wriedt, Harvey, Hammel, Kotthoff & Harms, 2021 | 1 | Species | Detail |
| 4 | † Weygoldtiella | Harvey, Cosgrove, Harms, Selden, Shih & Wang, 2019 | 1 | Species | Detail |