Fig. 18From: Free-living nematode species (Nematoda) dwelling in hydrothermal sites of the North Mid-Atlantic Ridge Desmodora marci and Prochromadora helenae sp. n., details. a D. marci, head, lateral view; b D. marci, apical view; c P. helenae, gut content; d D. marci, head, median view; e P. helenae, subapical view, f D. marci, gut content; g, h P. helenae, precloacal seta and cloacal opening. Scale bars a–d 10 μm; e, g, h 3 μm, f 20 µmBack to article page