| Nominal Species (n = 4) | Present allocation (n = 4) | Ref. |
|---|---|---|
| Trebius caudatus Krøyer, 1838 | Trebius caudatus | 19 |
| Trebius heterodonti Deets & Dojiri, 1989 | Trebius heterodonti | 19 |
| Trebius latifurcatus Wilson, 1921 | Trebius latifurcatus | 19 |
| Trebius tenuifurcatus Rathbun, 1887 | Trebius tenuifurcatus | 19 |