| 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. |