| Castrella (Castrella) truncata (Abildgaard, 1789) | Jun 22-Jul 19, 1928 |  |  |  | 
| Rhynchomesostoma rostratum (Müller, 1774) | Jun 22-Jul 19, 1928 |  |  | bog-pool in the surroundings of Ejde, about 150 meters above sea level, some specimens | 
| Castrada (Castrada) inermis Hofsten N, 1911 | Jun 22-Jul 19, 1928 |  |  | in moss of a source [stream] about 100 meters above sea level, some specimens. | 
| Castrada (Castrada) borealis Steinböck, 1931 | Jun 22-Jul 19, 1928 |  |  | in bog-pool southeast of Ejde, about 150 meters above sea level, 2 specimens. | 
| Castrada (Castrada) viridis Volz, 1898 | Jun 22-Jul 19, 1928 |  |  | in lake and bog-pool east of Ejde (Ostero), about 150 meters above sea level, numerous specimens. | 
| Castrada (Castrada) ejde Steinböck, 1931 | Jun 22-Jul 19, 1928 |  |  | in lake north of Ejde (Ostero), 3 specimens. | 
| Gyratrix hermaphroditus Ehrenberg, 1831 | Jun 22-Jul 19, 1928 |  |  | in lake north of Ejde and lake and sources east of Ejde(Ostero), very common. | 
| Prorhynchus stagnalis Schultze, 1851 | Jun 22-Jul 19, 1928 |  |  | in  lake north of Ejde (Ostero), in the  moss of a source, and bog-pool southeast of Ejde, 100 and 150 m above sea level.  Numerous specimens. | 
| Geocentrophora sphyrocephala de Man, 1876 | Jun 22-Jul 19, 1928 |  |  | in  bog-pool southeast of Ejde, 150 m above sea level.  Very numerous. | 
| Geocentrophora sphyrocephala de Man, 1876 | Jun 22-Jul 19, 1928 |  |  | in  bog-pool southeast of Ejde, 150 m above sea level.  Very numerous. |