| author | date | title | journal / publication | Sekera E | 1907 | Zur Biologie einiger Wiesentümpel. | Archiv. f. Hydrobiol. 2: 347-354 |
|---|
| Castrella (Castrella) quadrioculata (Vejdovsky, 1895) | w | other taxonomic work | ||
| Opistomum pallidum Schmidt, 1848 | [with synonyms] | w | other taxonomic work | |
| Rhynchoscolex simplex Leidy, 1852 | [with synonyms] | w | other research on this sp. | 350 |