Websterinereis pettiboneae sp. n. A Anterior end, dorsal view B–D Parapodia of chaetigers 10, 26 and 42, anterior view E Supra-acicular neuropodial heterogomph falciger, chaetiger 10 F Infra-acicular neuropodial heterogomph falciger, chaetiger 10 G Supra-acicular neuropodial heterogomph falciger, chaetiger 26 H Infra-acicular neuropodial heterogomph falciger, chaetiger 26 I Supra-acicular neuropodial heterogomph falciger, chaetiger 42. Scale bars: A = 0.5 mm; B–D = 100 µm; E–I = 10 µm.