Terebellides williamsae Jirkov, 1989 (species 2; non-type specimens, ZMBN116249 and ZMBN116251), SEM micrographs A anterior end, left lateral view B branchial lamellae, detail C ciliary tufts, detail D TC and thoracic dorsal papilla E thoracic dorsal papilla, detail. Abbreviations: abl – anterior branchial lobe; bdl – branchial dorsal lobe; bvl – branchial ventral lobe; ct – ciliary tuft; dpn – dorsal projection of notopodium; TC – thoracic chaetiger; tdp – thoracic dorsal papilla; 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