Ophelina meyerae sp. nov. holotype (specimen NHM_1241). A Live images, whole specimen with detail of anterior (p = palpode) B Lab image, whole specimen, lateral view (faded stain) C Lab image, anterior and branchiae (faded stain) (br = branchiae) D Lab image, mid-body branchiae (faded stain, br = branchiae) E Lab image, anterior parapodia (faded stain, pp = parapodia) F Lab image, detail of capillary chaetae (br = branchiae) G Lab image, detail of capillary chaetae (br = branchiae). Morphological features in plates C–F have been outlined with a fine white line to improve clarity of those features. Scale bars: 1 mm (B–E); 100 μm (F, G).