| Convoluta convoluta (Abildgaard, 1806) | prior to 1905 | littoral |  |  | 
| Stenostomum sieboldi Graff, 1878 | 1913 or earlier |  |  |  | 
| Promesostoma marmoratum (Schultze, 1851) | 1913 or earlier |  |  | very active, in marine and brackish water. | 
| Promesostoma marmoratum marmoratum (Schultze, 1851) | 1913 or earlier |  |  | very active, in marine and brackish water. | 
| Trigonostomum setigerum setigerum Schmidt, 1852 | 1913 or earlier |  |  |  | 
| Trigonostomum setigerum album Graff, 1905 | 1905 or earlier |  |  |  | 
| Polycystis mamertina (Graff, 1874) | 1913 or earlier |  |  |  | 
| Plagiostomum maculatum Graff, 1882 | 1913 or earlier |  |  |  | 
| Plagiostomum reticulatum (Schmidt, 1852) | 1913 or earlier | littoral |  |  | 
| Vorticeros auriculatum (Müller, 1784) | 1913 or earlier | 0-35m |  | littoral up to 35 m deep in Algen and Bryozoen. | 
| Pseudostomum quadrioculatum (Leuckart, 1847) | 1913 or earlier |  |  |  | 
| Pseudostomum klostermanni (Graff, 1874) | 1913 or earlier |  |  |  | 
| Monoophorum striatum (Graff, 1878) | 1905 or earlier |  |  |  | 
| Heterochaerus langerhansi (Graff, 1882) | 1952 |  |  | marine caves. | 
| Convoluta schultzii Schmidt, 1852 | 1905 or earlier |  |  |  | 
| Convoluta hipparchia Pereyaslawzewa, 1892 | 1905 or earlier |  |  |  | 
| Proporus venenosus (Schmidt, 1852) | 1905 or earlier |  |  | Mittelmeer (Villefranche s. m., Neapel, Messina). | 
| Aphanostoma diversicolor Ørsted, 1845 | 1905 or earlier |  |  | Mittelmeer (Villefranche s.m., Neapel). |