| Nominal Species (n = 22) | Present allocation (n = 22) | Ref. |
|---|---|---|
| Metridia asymmetrica Brodsky, 1950 | Metridia asymmetrica | 19 |
| Metridia bicornuta Davis, 1949 | Metridia bicornuta | 19 |
| Metridia boecki Giesbrecht, 1889 | Metridia boecki | 19 |
| Pleuromamma borealis Dahl, 1893 | Pleuromamma borealis | 3477 |
| Metridia brevicauda Giesbrecht, 1889 | Metridia brevicauda | 19 |
| Metridia curticauda Giesbrecht, 1889 | Metridia curticauda | 19 |
| Metridia discreta Farran, 1946 | Metridia discreta | 19 |
| Metridia ferrarii Markhaseva, 2001 | Metridia ferrarii | 3477 |
| Metridia gerlachei Giesbrecht, 1902 | Metridia gerlachei | 19 |
| Metridia gurjanovae Epstein, 1949 | Metridia gurjanovae | 19 |
| Metridia ignota Esterly, 1906 | Metridia ignota | 19 |
| Metridia lucens Boeck, 1865 | Metridia lucens | 19 |
| Metridia macrura Sars, 1905 | Metridia macrura | 19 |
| Metridia okhotensis Brodsky, 1950 | Metridia okhotensis | 19 |
| Metridia ornata Brodsky, 1950 | Metridia ornata | 19 |
| Metridia pacifica Brodsky, 1950 | Metridia pacifica | 19 |
| Pleuromamma piseki Farran, 1929 | Pleuromamma piseki | 19 |
| Metridia princeps Giesbrecht, 1889 | Metridia princeps | 19 |
| Metridia pseudoasymmetrica Markhaseva, 2001 | Metridia pseudoasymmetrica | 3477 |
| Pleuromamma scutullata Brodsky, 1950 | Pleuromamma scutullata | 19 |
| Metridia similis Brodsky, 1950 | Metridia similis | 19 |
| Metridia venusta Giesbrecht, 1889 | Metridia venusta | 19 |