| Scientific Name | Author | English Name |
|---|---|---|
| Spiomenia spiculata | Arnofsky, 2000 | |
| Simrothiella schizoradulata | (Salvini-Plawen, 1978) | |
| Simrothiella margaritacea | (Koren & Danielssen, 1877) | |
| Simrothiella borealis | (Odhner, 1921) | |
| Plawenia argentinensis | Scheltema & Schander, 2000 | |
| Kruppomenia minima | Nierstrasz, 1903 | |
| Helicoradomenia parathermalis | Salvini-Plawen, 2008 | |
| Helicoradomenia juani | Scheltema & Kuzirian, 1991 | |
| Helicoradomenia acredema | Scheltema, 2000 | |
| Helicoradomenia bisquama | Scheltema, 2000 |