| 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 | |