| Oligochoerus limnophilus Ax & Doerjes, 1966 | Jul 1991 |  | sand | several speciments, sandy sediments, sandy tidepools covered with detritus; free of vegetation.  specimens found slowly gliding on the substrate or free swimming. | 
| Microstomum lineare (Müller, 1773) | May-Oct 1991 |  | sand | many specimens.  sandy sediments, sandy tidepools covered with detritus; free of vegetation | 
| Microstomum sp. Steinböck, 1948 | Jul 1991 |  | sand | many specimens. sandy sediments, sandy tidepools covered with detritus; free of vegetation | 
| Opistomum fuscum Weise, 1942 | Jun, Jul 1991 |  | sand | several specimens. sandy sediments, sandy tidepools covered with detritus; free of vegetation | 
| Coronhelmis multispinosus Luther, 1948 | Jul 1991 |  | sand | several specimens. sandy sediments, sandy tidepools covered with detritus; free of vegetation | 
| Gyratrix hermaphroditus Ehrenberg, 1831 | Jul 1991 |  | sand | one specimen.  sandy sediments, sandy tidepools covered with detritus; free of vegetation | 
| Microdalyellia armigera (Schmidt, 1862) | Jun, Jul 1991 |  | sand | many specimens.  sandy sediments, sandy tidepools covered with detritus; free of vegetation | 
| Baicalellia brevitubus (Luther, 1918) | May-Nov 1991 |  | sand | many specimens.  sandy sediments, sandy tidepools covered with detritus; free of vegetation.  dominant representative of the 'Turbellaria' of the Elbe in this study. |