| Macrostomum ventriflavum Pereyaslawzewa, 1892 | Sep 21, 1969 | | sand of stone zone | |
| Macrostomum peteraxi Mack-Fira, 1971 | 1974 or earlier | 0.5 m | sand of stone zone | few specimens. |
| Plagiostomum ponticum Pereyaslawzewa, 1892 | 1974 or earlier | 1.0 m | stone zone | numerous specimens |
| Pseudostomum klostermanni (Graff, 1874) | prior to 1974 | 0.2-0.3 | | 'littoral basins', among Cladophora. |
| Pseudostomum klostermanni (Graff, 1874) | prior to 1974 | 1.0 m | stone zone | Numerous specimens, stone zone, among algae. |
| Allostoma pallidum Beneden, 1861 | prior to 1974 | 1.0 m | stone zone | Numerous specimens, stone zone, among algae. |
| Allostoma pallidum Beneden, 1861 | prior to 1974 | 0.2-0.3 m | | the 'littoral basins', among Cladophora. |
| Monocelis lineata (Müller, 1773) | prior to 1974 | 0.2-0.3 m | | the 'littoral basins'. |
| Monocelis longiceps (Duges, 1830) | prior to 1974 | | | |
| Archilina endostyla Ax, 1959 | prior to 1974 | | | in the 'littoral' basins |
| Archilina endostyla Ax, 1959 | prior to 1974 | 0.5-1.0 m | sand, stone zone | very numerous, in the sand of the stone zone. |
| Phaenocora typhlops (Vejdovsky, 1880) | Jun 17, 1966 | | | Very abundant, in a large permanent swamp with vegetation, close to the beach. |
| Hartogia pontica Mack-Fira, 1968 | Sep 21, 1969 | 0.5 m | stone zone | one specimen. |
| Promesostoma bilineatum Pereyaslawzewa, 1892 | 1974 or earlier | | | numerous specimens, 'littoral basins'. |
| Polycystis naegelii Kölliker, 1845 | 1974 or earlier | 1.0 m | | Very numerous, among algae. |
| Itaipusa karlingi Mack-Fira, 1968 | 1974 or earlier | 0.5-3.0 m | stone, sand | Numerous, in the sand under the algae. |
| Torkarlingia euxinica Mack-Fira, 1971 | 1974 or earlier | 0.5 m | stone | |