Convoluta convoluta | prior to 1905 | littoral | | |
Polycystis naegelii | 1913 or earlier | | | living among plants in the litoral zone. |
Microstomum rubromaculatum | 1913 or earlier | | | Atlantic Ocean (Concarneau). |
Microstomum lucidum | 1898 or earlier | | | Atlantic Ocean. |
Omalostomum claparedii | 1870 or earlier | | | |
Proxenetes gracilis | 1913 or earlier | | | beach water. |
Proxenetes flabellifer | 1913 or earlier | | | beach water. |
Proxenetes gracilis | 1898 or earlier | | | |
Promesostoma ovoideum | 1898 or earlier | | | |
ovoideum ovoideum | 1913 or earlier | | | |
setigerum setigerum | 1913 or earlier | | | |
Trigonostomum penicillatum | 1913 or earlier | | | |
Polycystis mamertina | 1913 or earlier | | | |
Phonorhynchus helgolandicus | 1913 or earlier | | | |
Plagiostomum violaceum | 1896 or earlier | littoral | | |
Plagiostomum dioicum | 1913 or earlier | | | |
Plagiostomum fabrei | 1896 or earlier | | | |
Plagiostomum vittatum | 1913 or earlier | | | |
Plagiostomum vittatum | 1898 or earlier | | | |
Pseudostomum klostermanni | 1913 or earlier | | | |
Monoophorum durum | 1898 or earlier | | | |
Enterostomum flavibacillum | 1913 or earlier | | | |
Monocelis fusca | 1913 or earlier | | | |
Monocelis lineata | 1913 or earlier | | | |
Monocelis lata | 1882 or earlier | | | |
Monocelis longiceps | 1913 or earlier | | | |
Allostoma durum | 1898 or earlier | | | |
Beauchampiola oculifera | prior to 1927 | | | found on the Atlantic coast near Concarneau. |
Provortex balticus | 1898 or earlier | | | |
Jensenia oculifera | 1926 or earlier | | | |
Macrorhynchus coeruleus | 1896 or earlier | | | on red algae in laboratory of Forest, Bay of Concarneau. |
Allostoma durum | 1896 or earlier | | | in the marsh, Bay of Concarneau. |
Microstomum lucidum | 1896 or earlier | | | Bay of Concarneau. |
Plagiostomum violaceum | 1896 or earlier | | | amongst algae, Bay of Concarneau. |
Proporus venenosus | 1905 or earlier | | | Nordatlantischer Ozean (Concarneau). |