FIGURE 10. Chone infundibuliformis. Collar, longitudinal section. A in Redescription of Chone infundibuliformis Krøyer, 1856 (Polychaeta: Sabellidae) and histology of the branchial crown appendages, collar and glandular ridge

FIGURE 10. Chone infundibuliformis. Collar, longitudinal section. A) Panoramic view, B) external epithelium, C) internal epithelium, D–E) central axis of hyaline cartilage. A–E) CMN 3867. Scale bars: A) 0.6 mm, B) 12.5 m, C–D) 50 m, E) 30 m. "b": gland type b, "c": gland type c, cm: cartilage matrix, cu: cuticle, hc: hyaline cartilage, vsc: ventral shield of collar.