Avagina glandulifera | prior to 1945 | | parasite found in sea cucumber, sea urchins. Found in Spatangus purpureus. | |
Convoluta convoluta | prior to 1905 | littoral | | |
Plagiostomum girardi | 1955 or earlier | | | |
Acmostomum dioicum | 1949 | | | uncommon. |
Trigonostomum penicillatum | 5 July, 1949 | | | coll. SMNH by Westblad |
Nannorhynchides herdlaensis | 1956 or earlier | | | tide pools, Westblad. |
Provortex affinis | 1913 or earlier | littoral | | |
Syndesmis echinorum | 1913 or earlier | | | in sea urchins [Strongylocentrotus droebachensis (Müll.), S. lividus Brdt., Sphaerechinus granularis A.Ag., Echinus sphaera Müll., E. acutus Lam.] |
Maehrenthalia agilis | 1913 or earlier | | | |
Byrsophlebs graffi | 1913 or earlier | | | beach water. |
Proxenetes flabellifer | 1913 or earlier | | | beach water. |
marmoratum marmoratum | 1913 or earlier | | | very active, in marine and brackish water. |
Promesostoma marmoratum | 1913 or earlier | | | very active, in marine and brackish water. |
ovoideum ovoideum | 1913 or earlier | | | |
ovoideum purum | 1913 or earlier | | | |
solea solea | 1913 or earlier | | | |
Promesostoma lenticulatum | 1913 or earlier | | | |
Trigonostomum armatum | 1913 or earlier | 0-27 m | | found in Fucus at depths up to 27 m. |
Trigonostomum penicillatum | 1913 or earlier | | | |
Acrorhynchus caledonicus | 1913 or earlier | 1-3 m | | in ebb tide pools, and litoral zone in large numbers. |
Polycystis naegelii | 1913 or earlier | | | living among plants in the litoral zone. |
Polycystis crocea | 1913 or earlier | | | |
Phonorhynchus helgolandicus | 1913 or earlier | | | |
Plagiostomum ochroleucum | 1913 or earlier | | | |
Plagiostomum sagitta | 1913 or earlier | 6-9 m | | littoral. |
Plagiostomum caudatum | 1882 or earlier | | | |
Plagiostomum dioicum | 1913 or earlier | | | |
Plagiostomum elongatum | 1893 or earlier | | | littoral. |
Plagiostomum siphonophorum | 1913 or earlier | | | |
Plagiostomum vittatum | 1913 or earlier | | | |
Plagiostomum koreni | 1913 or earlier | | | |
Vorticeros auriculatum | 1913 or earlier | 0-35m | | littoral up to 35 m deep in Algen and Bryozoen. |
Vorticeros luteum | 1913 or earlier | 0-13 m | | Generally found among Ulven and Zosteren. Found a 13 m depth, with Bugula turbinata. |
Pseudostomum quadrioculatum | 1913 or earlier | | | |
Pseudostomum inerme | 1893 or earlier | | | among algae. |
Monoophorum striatum | 1913 or earlier | 0-28 m | | among Ulven, Bryozoans. |
Monoophorum elongatum | 1879 or earlier | | | |
Enterostomum fingalianum | 1913 or earlier | 33-40 m | | |
Allostoma austriacum | 1913 or earlier | | | |
Monocelis fusca | 1913 or earlier | | | |
Monocelis lineata | 1913 or earlier | | | |
Monocelis hamata | 1893 or earlier | 21 m | | |
Monocelis alba | 1913 or earlier | | | |
Monocelis gamblei | 1861 or earlier | 36 m | | |
Monocelis hirudo | 1913 or earlier | | | |
Monocelis unipunctata (1) | 1913 or earlier | | | |
Avagina glandulifera | 1949 | | | Examining sea urchins at the Zoological Station at Plymouth, found specimen in Spatangus purpurens. |
Anoplodium tubiferum | 1949 | | | Examining Holothuria forskali at the Zoological Station at Plymouth, found this new species. |
Umagilla forskalensis | 1949 | | | Examining Holothuria forskali at the Zoological Station at Plymouth, found this species. |
Marcusella atriovillosa | Jul 3, 1948 | | | Examining sea urchins at the Zoological Station at Plymouth, found 5 specimens in the intestine of Spatangus purpureus along with Avagina incola. |
Oligocladus sanguinolentus | 1893 or earlier | | | |
Archilopsis spinosa | prior to 1989 | | | Collector Capstick. Date ?. |
Triloborhynchus astropectinis | 1970 or earlier | | | found in Astropecten irregularis. |
Procerodes plebeius | 1989 or earlier | | | Mittelmeer, Schwarzes Meer, Ostatlantik (Plymouth, England). 'P. plebeia occurs in brackish water springs or in otherwise brackish habitats' (Sluys 1989b, p. 288) |
Procerodes lobatus | 1968 or earlier | | | Ausführliche Daten über Siedlungen in Sandstränden bei Plymouth (England) liefert. |
Aphanostoma rhomboides | 1905 or earlier | | | Kanal La Manche (Plymouth). |
Macrostomum hystricinum | 1953 or earlier | | | England, Plymouth u. Isle of Man in ausgesüsstem Wasser. |
Rogneda anglica | 1953 or earlier | 10-36 m | loam | |
Procerodes ireneae | 1968 or earlier | | | |
Uteriporus vulgaris | 1968 or earlier | | | |