| Stenostomum arevaloi Gieysztor, 1931 | Sep 1929 |  |  | Lac Albufera | 
| Dalyellia rubra intermedia Gieysztor, 1931 | Sep 1929 |  |  | Albufera. | 
| Stenostomum leucops (Duges, 1828) | Sep 1929 |  |  |  | 
| Dalyellia beltrani Gieysztor, 1931 | Sep 1929 |  |  | Albufera. | 
| Castrada (Castrada) moroderi Gieysztor, 1931 | Sep 1929 |  |  | Albufera. | 
| Dalyellia cuspidata (Schmidt, 1861) | Sep 1929 |  |  | found in the vicinity of Valence. | 
| Gieysztoria rubra intermedia (Gieysztor, 1931) | 1931 or earlier |  |  | Spanien.  Albufera.  Reisfelder u. ein Kanal in deren Nähe (Gieysztor). | 
| Catenula lemnae Duges, 1832 | Sep 1929 |  |  |  | 
| Macrostomum appendiculatum Fabricius, 1826 | Sep 1929 |  |  |  | 
| Macrostomum gracile (1) Pereyaslawzewa, 1892 | Sep 1929 |  |  |  | 
| Dalyellia sp. Gieysztor, 1931 | Sep 1929 |  |  | Albufera. | 
| Gyratrix hermaphroditus Ehrenberg, 1831 | Sep 1929 |  |  | Albufera. | 
| Macrostomum hystricinum Beklemischev, 1951 | 1931 or earlier |  |  | Spanien Valencia, See von Albufera u. Tümpel zwischen Meer u. See. | 
| Gieysztoria cuspidata (Schmidt, 1861) | 1931 or earlier |  |  | Kanal bei Albufera u. Reisfeld bei Almenara, Oktober. | 
| Gieysztoria beltrani (Gieysztor, 1931) | 1931 or earlier |  |  | Kanäle auf Reisfeldern bei Albufera und Pinedo. |