Chaetae and uncini of Pectinaria santii sp. n. (paratype 11 ICML-EMU 13290). A, B Opercular paleae; C entire row of hooded scaphal hooks, white rectangle shows the innermost hooks; D innermost scaphal hooks; E uncini, front-lateral view; F uncinus, lateral view; G notochaetae: 1 chaeta from anterior row, 2 chaeta from posterior row; H chaeta from anterior row with a mid-incision, bifid antero-lateral tip and smooth margins; I uncini, different views. A–B) 40x, C, G) 100x, D–F, H) 400x, I) 1000x magnification.