Figure 1 from: Wang H, Cui Y (2012) Three new species of Potamothrix (Oligochaeta, Naididae, Tubificinae) from Fuxian Lake, the deepest lake of Yunnan Province, Southwest China. ZooKeys 175: 1-17. https://doi.org/10.3897/zookeys.175.2413

Figure 1 - Potamothrix praeprostatus sp. n., A hair B distal end of dorsal bifid from V C distal end of dorsal bifid from III D distal end of ventral chaeta from V E ventral chaeta from III F spermathecal chaeta G lateral view of male ducts in segments X–XI H lateral view of spermatheca in segments X–XII. Scale bars: A–F 40 µm; G–H 200 µm.