FIGURE 21 in Sabellid worms from the Patagonian Shelf and Humboldt Current System (Annelida, Sabellidae): Phyllis Knight-Jones' and José María Orensanz's collections

FIGURE 21. Perkinsiana assimilis (McIntosh, 1885). A) Thoracic noto- and neurochaetae, B) thoracic uncini, C) thoracic paleate notochaetae, D) abdominal neurochaetae, E) companion chaetae, F) abdominal uncini. Scale bars: A, D 100 µm, B, F 30 µm, C 20 µm, E 10 µm. Specimen: A–F UANL 8078.