Chaetozone cf. zetlandica A ZMBN125808, SEM of dorsal tentacle and first branchiae B ZMBN125808, SEM of anterior end in lateral view C ZMBN125808, SEM of neuropodial posterior spines D ZMBN125808, SEM of anterior parapodia and capillary chaetae E ZMBN125820 in lateral view, stained with Shirlastain A F ZMBN95386, cross section of posterior parapodia G NTNU-VM76410, pygidium in lateral view, stained with Shirlastain A. Abbreviations: br, branchiae; Ch, chaetiger; dT, dorsal tentacles; nuO, nuchal organ; per, peristomium; pr, prostomium; Seg, segment.