Isocossus
Roepke 1957
| Isocossus cruciatus | Holloway - 1986 | |
| Isocossus retak | Holloway - 1986 | |
| Isocossus rufipecten | Holloway - 1986 | |
| Isocossus seria | Holloway - 1986 | |
| Isocossus stroehli | Yakovlev - 2006 | |
| Isocossus telisai | Holloway - 1986 | |
| Isocossus vandeldeni | Roepke - 1957 |