FIGURE 4. Branchinotogluma bipapillata n in Branchinotogluma bipapillata n. sp., a new branchiate scale worm (Annelida: Polynoidae) from two hydrothermal fields on the Southwest Indian Ridge

FIGURE 4. Branchinotogluma bipapillata n. sp., details of chaetae. A, Vertical view of left parapodium on segment 4 of holotype; B–H, Details of chaetae on left 3rd parapodium of paratype RSIO35402 in posterior view; I–N, Details of chaetae on left 11th parapodium of paratype RSIO35277 in anterior view. B, Tip of notochaetae; C, Tip of supraacicular neurochaetae; D, Basal parts of the spinous region of supraacicular neurochaetae; E, Tip of upper subacicular neurochaetae; F, Spines on subdistal part of upper subacicular neurochaetae; G, Lower subacicular neurochaetae; H, Detail of serration region of lower subacicular neurochaetae; I, Notochaetae; J, Details of supraacicular neurochaetae; K, Tip of upper subacicular neurochaetae; L, Spines on subdistal part of upper subacicular neurochaetae; M, Lower subacicular neurochaetae; N, Details of serration region of lower subacicular neurochaetae. Scale bar: A, 0.5 mm; B, G and I, 0.1 mm; C–F, H and J–N, 10 µm.