Amphorina farrani (Alder & Hancock, 1844) (a–c), A. linensis (Garcia-Gomez, Cervera & Garcia, 1990) (d, e) and A. pallida (Alder & Hancock, 1842) (f, g). a A. farrani, neotype GNM9268, UK, a1, head; a2, tail; a3, cerata; a4, posterior part of radula (SEM, scale bar 20 μm); a5, posterior part of radula (10 μm); a6, anterior part of radula (10 μm); a7, jaw (light microscopy); a8, jaw (SEM, 100 μm); a9, jaw details (20 μm); a10, details of stylet (3 μm); a11, penis with stylet (30 μm) b A. farrani, image from description of Eolis farrani in Alder and Hancock 1845 (not in copyright), b1, head; b2, tail with orange-yellow colouration; b3, cerata c A. farrani, France, Mediterranean, (external data – ZMMU Op-702), с1, head; с2, tail; с3, cerata; (internal data – GNM9278), с4, posterior part of radula (50 μm); с5, anterior part of radula (20 μm); с6, anterior part of radula (20 μm); с7, jaw (100 μm) d A. linensis GNM9392, Sweden, d1, head; d2, tail and cerata e A. linensis ZMMU Op-707, Mediterranean, Croatia, e1, head; e2, tail and cerata; e3, posterior part of radula (20 μm); e4, anterior part of radula (20 μm); e5, anterior part of radula (20 μm); e6, jaw (light microscopy); e7, jaw (SEM, 200 μm); e8, jaw details (50 μm); e9, stylet details (10 μm); e10, penis with stylet (100 μm) f A. pallida ZMMU Op-710, Norway, f1, head; f2, tail and cerata; f3, radula (100 μm); f4, penis with stylet (100 μm) g A. pallida ZMMU Op-712, Norway, g1, head; g2, tail and cerata; g3, posterior part of radula (100 μm); g4, anterior part of radula (30 μm); g5, jaw (light microscopy); g6, jaw (SEM, 100 μm); g7, jaw details (20 μm).