Fig. 3

Hyalinoecia robusta, a tube of the holotype BMNH 1975.194; b holotype BMNH 1975.194; c the same, enlarged anterior fragment; d ZMBN 156645, dorsal view; e the same, posterior segments, arrowheads indicate spermaducal papillae; f ZMBN 29500, anterior region, ventral view, arrowheads indicate elongated ventral parapodial cirri; g ZMBN 156643, anterior fragment, dorsal view, arrowhead indicates spermaducal papillae; h ZMBN 153529, anterior region, dorsal view, arrowhead indicates frontal lips; i ZMBN 156646, anterior region, latero-ventral view; j the same, posterior region, arrowhead indicates oocytes in the body cavity; k ZMBN 29500, median region, arrowheads indicate spermaducal papillae; l ZMBN 29500, tubes with worms inside. Scale bars—2 mm