| Macrostomum peteraxi Mack-Fira, 1971 | 1974 or earlier | 1.0 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 | 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. | 
| Monocelis lineata (Müller, 1773) | prior to 1974 |  | sand, stone zone |  | 
| Monocelis longiceps (Duges, 1830) | prior to 1974 | 0.3-0.5 m | sand, stone zone | Abundant. | 
| Archilina endostyla Ax, 1959 | prior to 1974 | 0.5-1.0 m | sand, stone zone | very numerous, in the sand of the stone zone. | 
| Procerodes lobatus (Schmidt, 1862) | Aug 1, 1970 | 0.5 m | stone zone | Very numerous, among Enteromorpha and in the phreatic layeer close to the shore. | 
| Trigonostomum venenosum (Uljanin, 1870) | prior to 1974 | 1.0 m | stony | Numerous specimens, among Cystoseira. | 
| Polycystis naegelii Kölliker, 1845 | 1974 or earlier | 1.0 m |  | Very numerous, among algae. | 
| Progyrator mamertinus (Graff, 1874) | 1974 or earlier | 1.0 m | stony | two specimens, among Cystoseira and Enteromorpha. | 
| Itaipusa karlingi Mack-Fira, 1968 | 1974 or earlier | 0.5-3.0 m | stone, sand | Numerous, in the sand under the algae. | 
| Convoluta albomaculata (Pereyaslawzewa, 1892) | pre 1973 | 0.5 m | stony bottom, algae |  |