FIGURE 3. A–C, E–J in Chiridota heheva, new species, from Western Atlantic deep­sea cold seeps and anthropogenic habitats (Echinodermata: Holothuroidea: Apodida)

FIGURE 3. A–C, E–J, Chiridota heheva new species; D, Chiridota laevis (Fabricius). A, Left ventral radial piece from calcareous ring. Note absence of perforation for radial nerve. Length of piece 1.9 mm. B, Right ventral interradial piece from calcareous ring; length of piece 1.6 mm. C, Bipartite right dorsal radial piece from calcareous ring. Note absence of perforation for radial nerve. Length of piece 2.7 mm. D, Chiridota laevis (Fabricius), bipartite right dorsal radial piece from calcareous ring. Note perforation for radial nerve. Length of piece mm.1.6 mm. E, Rods from tentacles. Length of longest rod 177µm. F, Inner surface of wheel from wheel papilla. Diameter of wheel 186µm. G, Outer surface of wheel from wheel papilla. Diameter of wheel 154µm. H, Three wheels from wheel papillae, two showing inner surface, one showing outer surface. Largest wheel abnormal in having teeth on margin of inner rim. Diameter of largest wheel 184µm. I, Wheel in lateral view. Diameter of wheel 132µm. J, Wheel in slightly oblique view. Diameter of wheel 190µm.