Sphaerephesia sibuetae (Paratypes, MNHN TYPE1284), scanning electron micrographs. A Complete specimen, dorsal view B head, dorsal view C head, ventral view D anterior end with everted proboscis, ventral view E mid-body chaetigers, dorsal view F dorsal macrotubercles, detail G parapodia, chaetigers 1–3, anterior view H mid-body parapodia, anterior view I mid-body parapodia, dorsal view J chaetal fascicle, mid-body chaetiger K chaetae, posterior chaetiger L posterior chaetigers, dorsal view M posterior chaetigers, ventral view.