FIGURE 11 in Redescription of Chone infundibuliformis Krøyer, 1856 (Polychaeta: Sabellidae) and histology of the branchial crown appendages, collar and glandular ridge

FIGURE 11. Chone infundibuliformis. Glandular ridge on chaetiger 2, transversal section. A) Panoramic view of first three thoracic segments, B) detail of 1 in A, intersegmental groove, C) detail of 2 in A, nerves, D–E) glandular epithelium, F–G) detail of 3 in A, glandular ridge. A–G) CMN 3867. Scale bars: A) 0.6 mm, B) 12.5 m, C) 40 m, D–F) 37.5 m, G) 25 m. "a": gland type a, "b": gland type b, "c": gland type c, ag: acidophil glands, bv: blood vessels, cm: cartilage matrix, ct: conjunctive tissue, cu: cuticle, m: muscle, n: nerves.