FIGURE 2. Chone infundibuliformis. A in Redescription of Chone infundibuliformis Krøyer, 1856 (Polychaeta: Sabellidae) and histology of the branchial crown appendages, collar and glandular ridge

FIGURE 2. Chone infundibuliformis. A) Radioles, median region, B) radiolar tip, C) second thoracic chaetiger. A–C) USNM 372, paralectotype. Scale bars: A) 0.8 mm, B) 0.2 mm, C) 1 mm. fl: flange, gr: glandular ridge, neu: neurochaetae, not: notochaetae, pi: pinnule, pm: palmate membrane, r: radiole.