(ofPlatybdella quadrioculata Malm, 1863)Malm, A. W. (1863). Svenska Iglar, Disciferae, afbildade efter lefvande examplar och beskrifna [Swedish Leeches, Disciferae, illustrated after living specimens and described]. Göteborgs Kungliga Vetenskaps-och Vitterhets-samhället Handlingar. 8: 151-259 + index + plates 3-5., available online athttps://books.google.com/books?id=4fyovoG7AmcC&source=gbs_navlinks_s page(s): 223; note: on gill cover of a Labrus maculatus [details]
original description(ofPlatybdella quadrioculata Malm, 1863)Malm, A. W. (1863). Svenska Iglar, Disciferae, afbildade efter lefvande examplar och beskrifna [Swedish Leeches, Disciferae, illustrated after living specimens and described]. Göteborgs Kungliga Vetenskaps-och Vitterhets-samhället Handlingar. 8: 151-259 + index + plates 3-5., available online athttps://books.google.com/books?id=4fyovoG7AmcC&source=gbs_navlinks_s page(s): 223; note: on gill cover of a Labrus maculatus [details]
basis of recordKarlsbakk, E. (2005). Occurrence of leeches (Hirudinea, Piscicolidae) on some marine fishes in Norway. Marine Biology Research. 1(2): 140-148., available online athttps://doi.org/10.1080/17451000510019105[details]