FIGURE 4 in Revision of the Alitta virens species complex (Annelida: Nereididae) from the North Pacific Ocean

FIGURE 4. Alitta dyamusi (Izuka, 1902) n. comb., atoke specimen. Syntype (NSMT 6115-6119), Sakhalin Island, Russia. A. Anterior region, dorsal view. B. Left jaw, dorsal (left) and ventral (right) views (arrow pointing clustered canals). C. Pharynx, ventral view (roman numerals refer to pharyngeal areas; a, left; b, right). D. Posterior parapodia, dorsolateral view. E. Posterior region, dorsal view. F. Root of aciculae (set. 62). G. Articulation of a same homogomph spiniger, ventral (left) and anterior (right) views (set. 25). H. Heterogomph spiniger (set. 25; inset: basal teeth). I. Heterogomph falciger (set. 25). Scale bars: A, 5 mm; B–D, 1 mm; E, 2 mm; F, 0.5 mm; G–I, 20 µm.