Leitoscoloplos olei sp. nov., paratype (NHM.2018.21716) Shirla-stained a specimen in lateral view b detail of prostomium c detail of abdominal chaetiger showing subpodal flange d detail of abdominal chaetiger showing branchia (br), notopodial (ntl) and bilobed neuropodial lobes (nrl) e detail of transition between thoracic and abdominal segments in lateral view (the last thoracic and first abdominal segment highlighted with arrows) f detail of transition to branchiate region in dorsal view (first occurrence of branchiae highlighted with arrow) g detail of posterior abdominal segments. Scale bars: 500 µm (a); 200 µm (b, c); 80 µm (d); 250 µm (e); 300 µm (f); 150 µm (g).