FIGURE 7. Chone infundibuliformis. Dorsal lip, transversal section. A in Redescription of Chone infundibuliformis Krøyer, 1856 (Polychaeta: Sabellidae) and histology of the branchial crown appendages, collar and glandular ridge

FIGURE 7. Chone infundibuliformis. Dorsal lip, transversal section. A) Panoramic view, B) anterior tip showing the hyaline cartilage and glandular types, C) central, internal margin, D) glands from central, internal margin, E) hyaline cartilage, F) dorsal pinnular appendages. A–F) SMNH 73076. Scale bars: A) 250 m, B) 100 m, C) 75 m, D) 25 m, E) 50 m, F) 62.5 m. "a": gland type a, "b": gland type b, "c": gland type c, bv: blood vessel, c: chondrocyte, ci: cilia, cm: cartilage matrix, ct: conjunctive tissue, dpa: dorsal pinnular appendages, gce: glandular, columnar epithelium, gcue: glandular, cubic epithelium, hc: hyaline cartilage, mf: muscular fibers, ps: pinnular skeleton.