FIGURE 1. Tubifex laxus n in Four species of Tubifex Lamarck (Annelida: Oligochaeta: Naididae) from Tibet, China

Abstract

FIGURE 1. Tubifex laxus n. sp., SEM micrographs. A. Lateral view of anterior body. B. Hairs in IV. C. Hair chaeta and palmate chaeta in XII. D. Dorsal palmate chaetae in XII. E. Ventral chaetae in IV. F. Ventral chaetae in XIII. Scale bars: A. 500 µm; B, C. 10 µm; D – F. 20 µm