FIGURE 5 in Spirobranchus bakau sp. nov. from Singapore: yet another species of S. kraussii-complex (Polychaeta: Serpulidae)

FIGURE 5. SEM photographs of Spirobranchus bakau sp. nov. chaetae. A—Collar chaetae; B—Thoracic chaetae; C—Closeup of abdominal chaetae; inset figure showing top view of abdominal chaetae with central groove in view; D—Thoracic uncini of paratype (ZRC.ANN.0484) showing rasp-shaped teeth above peg; E—Anterior abdominal uncini; F—Posterior abdominal uncini. Scale bars—A: 10 µm, B: 50 µm, C–F: 5 µm, C inset figure: 10 µm.