Terebellides gracilis Malm, 1874 (species 3; non-type specimens, GNM15110 and ZMBN116313), SEM micrographs A branchiae, dorsal view B branchial lamellae, detail C ciliary tufts, detail D anterior end, right lateral view E branchiae, lateral view. Abbreviations: abl – anterior branchial lobe; bdl – branchial dorsal lobe; bdltp – branchial dorsal lobe terminal papilla; bf – filament; bvl – branchial ventral lobe; cr – ciliary row; ct – ciliary tuft; tll – thoracic lateral lobes; tm – tentacular membrane.