Marphysa kertehensis sp. nov. Holotype UMTAnn 2181 (A–I). Light microscopy images and digital drawing A anterior end, lateral view B anterior end, dorsal view C maxillae, dorsal view D mandibles, dorsal view E parapodium, chaetiger 10 F parapodium, chaetiger 295 G parapodium, chaetiger 462 H median region, dorsal view. Arrows indicate black dot at the base of dorsal cirri I posterior segments and pygidium, ventral view. Abbreviations; MI–MV: maxillae I–V, Ac: aciculae, Dc: dorsal cirrus, Vc: ventral cirrus, PCl: prechaetal lobe, Cl: chaetal lobe, PtCl: postchaetal lobe, Bf: branchial filament. Scale bars: 2 mm (A, H, I); 1 mm (B–D); 0.1 mm (E–G).