Figure 46 from: Panha S, Likhitrakarn N, Golovatch S (2011) Revision of the Southeast Asian millipede genus Orthomorpha Bollman, 1893, with the proposal of a new genus (Diplopoda, Polydesmida, Paradoxosomatidae). ZooKeys 131: 1-161. https://doi.org/10.3897/zookeys.131.1921

Figure 46 - Orthomorpha rotundicollis Attems, 1937, ♂ syntype of Pratinus tuberculatus Attems 1937. A, B right gonopod, lateral and mesal views, respectively