FIGURE 5 in Records of Naididae and Lumbriculidae (Clitellata) from Tibet, China, with description of a new species of Nais

FIGURE 5. SEM (A–E) and optical microscope (F) micrographs of Nais longidentata n. sp. A–B. Ventral chaetae in IX (A) and XIII (B). C. Hair in VII. D–E. Needles in X (D) and a posterior segment (E). F. Lateral view of anterior body. Scale bars: A,B, D 20µm, C 5µm, E 10 µm.