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.

 
 
  Part of: Barroso M, Moreira J, Capa M, Nygren A, Parapar J (2022) A further step towards the characterisation of Terebellides (Annelida, Trichobranchidae) diversity in the Northeast Atlantic, with the description of a new species. ZooKeys 1132: 85-126. https://doi.org/10.3897/zookeys.1132.91244