| Nominal Species (n = 7) | Present allocation (n = 5) | Ref. |
|---|---|---|
| Iso flosmaris Jordan & Starks, 1901 | Iso flosmaris | 559 |
| Iso flosmaris (non Jordan & Starks, 1901) | Iso rhothophilus | 9769 |
| Iso hawaiiensis (non Gosline, 1952) | Iso nesiotes | 9769 |
| Iso hawaiiensis Gosline, 1952 | Iso hawaiiensis | 9769 |
| Iso natalensis Regan, 1919 | Iso natalensis | 6615 |
| Iso nesiotes Saeed, Ivantsoff & Crowley, 1993 | Iso nesiotes | 9769 |
| Tropidostethus rhothophilus Ogilby, 1895 | Iso rhothophilus | 9769 |