FIGURE 18 in Sabellid worms from the Patagonian Shelf and Humboldt Current System (Annelida, Sabellidae): Phyllis Knight-Jones' and José María Orensanz's collections

FIGURE 18. Perkinsiana antarctica (Kinberg, 1867). A) Thoracic notochaetae, B) inferior paleate notochaetae, C) superior thoracic notochaetae, D) abdominal neurochaetae, E) thoracic uncinus and companion chaeta, F) abdominal uncini. Scale bars: A 100 µm, B, D 20 µm, C 10 µm, E, F 30 µm. Specimen: A–F UANL 8075.