FIGURE 17 in Sabellid worms from the Patagonian Shelf and Humboldt Current System (Annelida, Sabellidae): Phyllis Knight-Jones' and José María Orensanz's collections

FIGURE 17. Perkinsiana antarctica (Kinberg, 1867). A) Body, ventral view, B) anterior end, dorsal view, C, same, lateral view, D, E) same, ventral views, F) dorsal and ventral lips (left branchial lobe removed), G, H) radioles. Arrows in E indicate ventral sacs. Scale bars: A, B, D, E 2.5 mm, C 2 mm, F, G 1 mm, H 0.5 mm. Abbreviations: apr anterior peristomial ring, dl dorsal lip, vl ventral lip, vsc ventral shield of chaetiger 1. Stain: A–G methyl green, H unstained radiole. Specimen: A–H UANL 8075.