| Leptoplana tremellaris (Müller, 1773) | Aug-Sep 1892 |  |  | Millbay Channel, This channel (varying in depth from 18-21 fathoms)...  Abundant. | 
| Oligocladus sanguinolentus (Quatrefage, 1845) | Aug-Sep 1892 |  |  | Millbay Channel, This channel (varying in depth from 18-21 fathoms)...  Adult specimens dredged.. | 
| Stylostomum variabile Lang, 1884 | Aug-Sep 1892 |  |  | Millbay Channel, This channel (varying in depth from 18-21 fathoms)... | 
| Promesostoma solea (Schmidt, 1857) | Aug-Sep 1892 |  |  | Millbay Channel, This channel (varying in depth from 18-21 fathoms)... | 
| Plagiostomum siphonophorum (Schmidt, 1852) | Aug-Sep 1892 |  |  | Millbay Channel, This channel (varying in depth from 18-21 fathoms)...  A specimen in the Millbay Channel. | 
| Plagiostomum girardi (Schmidt, 1857) | Aug-Sep 1892 |  |  | Millbay Channel, This channel (varying in depth from 18-21 fathoms)...  Not uncommon on the Duke Rock and in Millbay Channel. | 
| Enterostomum fingalianum Claparede, 1861 | Aug-Sep 1892 |  |  | Millbay Channel, This channel (varying in depth from 18-21 fathoms)... | 
| Enterostomum austriacum Graff, 1882 | Aug-Sep 1892 |  |  | Millbay Channel, This channel (varying in depth from 18-21 fathoms)... | 
| Automolos ophiocephalus (Schmidt, 1861) | Aug-Sep 1892 |  |  | Millbay Channel, This channel (varying in depth from 18-21 fathoms)... | 
| Cylindrostoma inerme (Hallez, 1879) | Aug-Sep 1882 |  |  | In dredgings. |