Figure 9 in On a new species of Spirobranchus Blainville, 1818 (Annelida: Serpulidae) and considerations on the genus along the Brazilian coast

Figure 9. Tonguelets among members of Spirobranchus spp. (A, B) S. lirianeae sp. nov.: (A) Paratype (MNRJP-002775) peduncle and dorso-lateral collar lobes dissected, (B) Paratype (MNRJP-002777) detail of the bilobed tonguelet; (C, D) S. giganteus (MNRJP-002779): (C) dorsal view, (D) dorsal view with dorsal outer lobe folded backwards, exposing inner lobe; (E, F) S. minutus (MNRJP-002783): (E) lateral view, (F) detail of tonguelet, dorsal view, stained with Shirlastain, with dorso-lateral collar lobe dissected; (G, H) S. tetraceros (MNRJP-002789): (G) lateral view, (H) detail of lateral view stained with methylene blue, outer lobe over inner lobe. Scale bars = 300 µm (G), 200 µm (A, C, D, H), 150 µm (B), 100 µm (E), 50 µm (F). dol = dorsal outer tonguelet lobe; dl = dorsolateral colar lobe; il = inner tonguelet lobe; ol = outer tonguelet lobe; p = peduncle; vol = ventral outer tonguelet lobe.