ROGNEDINAE Evdonin, 1977

Faubel, A. & Warwick, R. M., 2005, The marine flora and fauna of the Isles of Scilly: Free-living Plathelminthes (‘ Turbellaria’), Journal of Natural History 39 (1), pp. 1-45 : 31

Subfamily ROGNEDINAE Evdonin, 1977

Rogneda hibernica ( Southern 1936) Karling, 1953 Polycystis hibernica Southern, 1936: 59–61 , Figures 2–5 .

Material examined

Site 11: two specimens, specimen in squash preparation, WM, voucher specimen.

Geographical distribution. NE Atlantic: Ireland (Co. Kerry: Valentia Harbour); Celtic Sea: Ireland (Co. Cork: Kinsale Harbour); Irish Sea: Isle of Man (Port Erin), North Channel (Firth of Clyde: Great Cumbrae Island, Millport); English Channel: England (Plymouth Sound: Cawsand Bay); North Sea: The Netherlands (lake Grevelingen), Scheldt Estuary ( Karling 1953; Martens and Schockaert 1981).

Subfamily POLYCYSTIDINAE Schockaert and Karling, 1970

Figures

Figure 2. Archimacrostomum sublitorale sp. nov. (A) Dorsal view in squash preparation (dorsal gut in area of gonads omitted); (B) male sclerotized stylet; (C) male copulatory apparatus. Scale bars: 500 Mm (A); 50 Mm (B, C).

Figure 3. Bradynectes scilliensis sp. nov. (A) Dorsal view in squash preparation; (B) male copulatory apparatus; (C) male sclerotized stylet. Scale bars: 500 Mm (A); 50 Mm (B); 20 Mm (C).

Figure 4. Paromalostomum scilliensis sp. nov. (A) Dorsal view in squash preparation; (B) genital complex in squash preparation; (C) male sclerotized stylet and glandular stylet (latter not drawn in full length); (D) sclerotized bursal organs. Scale bars: 500 Mm (A); 100 Mm (B); 50 Mm (C, D).

Figure 5. Prostheceraeus υittatus. Diagrammatic sagittal reconstruction of the male copulatory apparatus. Scale bar: 300 Mm.