| Nominal Species (n = 18) | Present allocation (n = 18) | Ref. |
|---|---|---|
| Monoposthioides anonoposthia Hopper, 1963 | Monoposthioides anonoposthia | 19 |
| Monoposthia apiculata Cobb, 1930 | Monoposthia costata | 86525 |
| Monoposthia arctica Allgen, 1954 | Monoposthia arctica | 19 |
| Nudora armillata Wieser, 1959 | Nudora armillata | 19 |
| Monoposthia besnardi Gerlach, 1956 | Nudora besnardi | 75097 |
| Monoposthia duodecimalata Chitwood, 1936 | Monoposthia duodecimalata | 19 |
| Rhinema exquisitum Timm, 1961 | Rhinema exquisitum | 19 |
| Monoposthia grahami Allgen, 1959 | Monoposthia grahami | 19 |
| Monoposthia hexalata Chitwood, 1936 | Monoposthia hexalata | 19 |
| Monoposthia latiannulata Platonova, 1971 | Monoposthia latiannulata | 19 |
| Nudora lineata Cobb, 1920 | Nudora lineata | 19 |
| Monoposthioides mayri Wieser & Hopper | Monoposthioides mayri | 19 |
| Monoposthia mirabilis Schulz, 1932 | Monoposthia mirabilis | 19 |
| Nudora nuda Inglis, 1965 | Nudora nuda | 19 |
| Monoposthia pacifica Allgen, 1951 | Monoposthia pacifica | 19 |
| Monoposthia paramediterranea Allgen, 1959 | Monoposthia paramediterranea | 19 |
| Rhinema retrorsum Cobb, 1920 | Rhinema retrorsum | 19 |
| Monoposthia thorakista Schulz, 1935 | Nudora thorakista | 75097 |