| 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. |