Fig. 2

Light micrographs of holotypic male of R. manuelae sp. nov. a Habitus of whole specimen. Note the feather-like clavoscalids. b Anterior end of adult. Note the unfused scalid forming the double organ. c Brain and mouth cone. The first (proximal) section of the mouth cone (stalk) is retracted and surrounded by the brain. d Anal field with P-flosculi. e Loricate abdomen. Note the large testes full of sperm. ac Anal cone, ap anal plate, br brain, cs clavoscalid, do double organ, fl flosculum, in introvert, la loricate abdomen, mc mouth cone, rf ruff, ss spinoscalid (followed by the corresponding row number), te testes, th thorax, tr trichoscalid