FIGURE 4 in Unravelling the diversity of Scalibregma Rathke, 1843 (Annelida: 'Polychaeta': Scalibregmatidae) from southeast Brazilian coast

FIGURE 4. Scalibregma lanai sp. nov. under SEM. A. dorsolateral view of anterior region. B. Acicular spines from chaetiger 1. C. First and second chaetigers in detail, both in anterior view. D. Lyrate chaetae with equal tynes, ornamented internally with fine bristles. E. Pygidium. Abbreviations: Hor = Horns; Per = Peristomium; Pg = Pygidium; PreL = Prechaetal lamellae; Pro = Prostomium; Sc = Spinous chaetae; 1stR = First row of capillaries; 2ndR = second row of capillaries. Scale bars: A = 100 µm; B = 5 µm; C = 50 µm; D = 5 µm; E = 50 µm.