| Genus | Author | # Accepted Species | Links | |
|---|---|---|---|---|
| 1 | Afrochthonius | Beier, 1930 | 7 | Species | Detail |
| 2 | Allochthonius | Chamberlin, 1929 | 35 | Species | Detail |
| 3 | Centrochthonius | Beier, 1931 | 6 | Species | Detail |
| 4 | Pseudotyrannochthonius | Beier, 1930 | 19 | Species | Detail |
| 5 | Selachochthonius | Chamberlin, 1929 | 4 | Species | Detail |
| 6 | Spelaeochthonius | Morikawa, 1954 | 11 | Species | Detail |