Figure 9; Prosphaerosyllis modinouae sp. nov. (holotype, NHM.2018.25100) a specimen in partial ventral view b, c examples of ventral cirri (Vc) and elongated lateral body papillae (Lp) d example of parapodium e detail of aciculae. Scale bars: 250 µm (a); 50 µm (c, d); 20 µm (e).
Figure 7; Prosphaerosyllis modinouae sp. nov. (SEM micrograph) a specimen (paratype, NHM.2018.24386) in dorsal view b anterior end in dorsal view c paratype (NHM.2018.24236) in dorso-lateral view d detail of prostomium of paratype (NHM.2018.24236) with palps (P), median antenna (Ma), lateral antennae (La), tentacular cirrus (Tc) and dorsal cirrus (Dc) e detail of dorsal cirri with those on chaetigers 2–4 (paratype, NHM.2018.24386) f pattern of dorsal body papillae (marked by white circles) (paratype, NHM.2018.24386). Scale bars: 500 µm (a); 100 µm (b, e); 200 µm (c); 50 µm (d).
Figure 6; Prosphaerosyllis modinouae sp. nov. (holotype, NHM.2018.25100; specimen Shirla-stained) a complete specimen in dorsal view b pattern of dorsal body papillae (= darkly stained dots) in anterior end c pattern of dorsal body papillae (= darkly stained dots) in mid-body segments d pattern of ventral papillae (= darkly stained dots). Scale bars: 500 µm (a); 200 µm (b, d).
Figure 10; Prosphaerosyllis modinouae sp. nov. (paratype NHM.2018.24386) a simple dorsal chaeta from anterior chaetiger b simple dorsal chaeta from posterior chaetiger c simple ventral chaeta from posterior chaetgier d dorsalmost falciger from anterior chaetiger e ventralmost falciger from anterior chaetiger f dorsalmost chaeta from mid body chaetiger g falcigers from posterior chaetiger. Scale bar: 50 µm.
Figure 5; Prosphaerosyllis modinouae sp. nov. (paratype, NHM.2018.24386) a complete specimen in dorsal view b detail of anterior end in dorsal view c detail of prostomium and palps in dorsal view d detail of eyes e anterior dorsal cirrus f posterior dorsal cirrus g posterior parapodium (arrow marking acicula) h detail of acicula. Scale bars: 1000 µm (a); 100 µm (b, c); 25 µm (e, f); 50 µm (g).
