| Figure 1. Carlotretus setosus Carl, 1922; ♂ holotype from Sumatra, Indonesia; A midbody segments, dorsal view B, C right gonopod and its apical part, mesal and lateral views, respectively. Depicted not to scale. After Carl (1922) [1]. |
| Figure 2. Corypholophus minutus Attems, 1938, ♂ from left bank of Ma River, Von Mai, Mai Tiao Distr., Hoa Binh Prov., northern Vietnam; A head, lateral view B left gonopod, caudal view. – Scale bars: A 0.3 mm; B 0.1 mm. After Golovatch (1987) [2]. |
| Figure 3. Corypholophus ryukyuensis Murakami, 1975, ♂ paratype from Ryukyu Islands, Japan; A–E both gonopods in situ, ventral, caudal, subcaudal and caudal views, respectively F gonopod tip, dorsal view. Depicted not to scale. After Murakami (1975) [3]. |
| Figure 6. Solaenaulus butteli (Carl, 1922), ♂ from Lae, Papua New Guinea A both gonopods in situ, ventral view B gonopod aperture, ventral view C–F individual gonopods, subventral, subfrontal, lateral and mesal views, respectively. – Scale bars: A, B 0.05 mm; C–F 0.01 mm. After Golovatch et al. (2010) [4]. |
| Figure 7. Solaenaulus butteli (Carl, 1922), ♂ from Lae, Papua New Guinea; A, B left gonopod, lateral and submesal views, respectively. – Scale bars: A, 0.4 mm; B, 0.1 mm. After Golovatch et al. (2010) [4]. |
| Figure 8. Opisotretus kraepelini Attems, 1907, ♂ holotype from Java, Indonesia A, B anterior and posterior body parts, respectively C cross-section of segment 7, frontal view D left gonopod, sublateral view. Depicted not to scale. After Attems (1907) [5]. |
| Figure 9. Martensodesmus himalayensis Golovatch, 1987, ♂ paratype from Nepal; A, B right gonopod, subcaudal and subfrontal views, respectively C left gonopod, frontal view. – Scale bar: 0.1 mm. After Golovatch (1987) [2]. |
| Figure 10. Martensodesmus bicuspidatus Golovatch, 1988, ♂ paratype from Bhutan; A, B head and collum, frontal and lateral views, respectively C, D right gonopod, caudal and frontal views, respectively. – Scale bars: A, B 0.5 mm; C, D 0.1 mm. After Golovatch (1988) [6]. |
| Figure 11. Opisthoporodesmus obtectus Silvestri, 1899, ♂ ?holotype from Papua New Guinea; A segments 8 and 9, dorsal view B posterior body part, dorsal view C right gonopod, subcaudal view. Depicted not to scale. After Silvestri (1899) [7]. |
| Figure 13. Retrodesmus dammermani Chamberlin, 1945, ♂ holotype from Java, Indonesia A left paratergite 10, dorsal view B both gonopods in situ, ventral view. – Scale bars: 0.2 mm. |
| Figure 15. Retrodesmus cavernicola sp. n., ♂ paratype from Cave Bem Tem; A antenna, lateral view B midbody leg C left gonopod, submesal view D right gonopod, subfrontal view. – Scale bars: A, B 1.0 mm; C, D 0.2 mm. |
| Figure 16. Retrodesmus cavernicola sp. n., ♂ holotype; A leg 9 B, C left gonopod, subdorsal and subventral views, respectively. – Scale bars: A 0.5 mm; B, C 0.2 mm. |
| Figure 18. Opisotretus beroni sp. n., ♂ paratype from Mount Fugilil (summit); A head, ventral view B both gonopods in situ, ventral view C, D left gonopod, sublateral and submesal views, respectively. – Scale bars: 0.01 mm. |
| Figure 20. Opisotretus beroni sp. n., ♂ paratype from Mount Fugilil (summit); A antenna, lateral view B midbody leg C, D left gonopod, sublateral and submesal views, respectively. – Scale bar: 0.2 mm. |
| Figure 21. Opisotretus beroni sp. n., ♂ paratype from Selminum doline; A, B left gonopod, submesal and sublateral views, respectively. – Scale bar: 0.2 mm. After Golovatch et al. (2010) [4]. |
| Figure 23. Opisotretus hagen sp. n., ♂ holotype; A head, frontal view B midbody leg C, D right gonopod, mesal and lateral views, respectively. – Scale bars: A 1.0; B 0.5 mm; C, D 0.2 mm. |
| Figure 25. Opisotretus deharvengi sp. n., ♂ holotype; A, B left gonopod, subventral and subdorsal views, respectively. – Scale bar: 0.1 mm. |
| Figure 26. Opisotretus spinosus sp. n., ♂ holotype; A head, frontolateral view B, C right paratergites 15 and 18, respectively, dorsal view D hypoproct, ventral view E midbody leg F, G right gonopod, subventral and subdorsal views, respectively. – Scale bar: A–C 0.2 mm; D, E 0.1 mm; F, G 0.05 mm. |
| Figure 28. Martensodesmus cattienensis sp. n., ♀ ( A–F) & ♂ ( G–L) paratypes; A tegument texture, dorsal view B tergal seta, sublateral view C gnathochilarium, ventral view D midbody leg E right gonopod in situ, ventral view F tip of gonopod telopodite, ventral view G–I dissected left gonopod, subdorsal, frontal and submesal views, respectively. – Scale bars: C, D 0.1 mm; E, G–I 0.05 mm; A, F 0.02 mm; B 0.01 mm. |
| Figure 29. Martensodesmus cattienensis sp. n., ♂ paratype; A, B right gonopod, subventral and subfrontal views, respectively. – Scale bar: 0.1 mm. |
| Figure 31. Martensodesmus bedosae sp. n., ♂ paratype; A, B tegument texture, tergal setae and ozopore, dorsal view C head, frontoventral view D midbody leg, subventral view; E, both gonopods in situ, ventral view; F, right gonopod, ventral view G, H dissected left gonopod, subdorsal and frontal views, respectively. – Scale bars: C, E 0.1 mm; D, F–H 0.05 mm; A, B 0.02 mm. |
| Figure 32. Martensodesmus bedosae sp. n., ♂ paratype; A, B left gonopod, ventral and dorsal views, respectively. – Scale bar: 0.1 mm. |
| Figure 35. Martensodesmus spiniger sp. n., ♂ paratype; A right gonopod, ventral view B, C left gonopod, frontodorsal and subdorsal views, respectively. – Scale bar: 0.1 mm. |
| Figure 36. Martensodesmus spiniger sp. n., ♂ holotype ( A, B), and Carlotretus triramus sp. n., ♂ paratype ( C, D) A, C left paratergite 13, dorsal view B, D left paratergites 17 and 18, dorsal view. – Scale bar: 0.1 mm. |
| Figure 38. Carlotretus triramus sp. n., ♂ paratype (CHIgx10-07); A head, ventral view B–D gonopods in situ E dissected left gonopod, subdorsal view. – Scale bars: B, C 0.1 mm; A, D, E 0.05 mm. |
| Figure 40. Carlotretus triramus sp. n., ♂ paratype (CHIgx05-068); A long tactile distodorsal seta on a midbody tibia B caudolateral corner of a midbody ozoporiferous paratergite C tegument texture, limbus and setae, dorsal view D left gonopod in situ, ventral view E–H dissected left gonopod, frontomesal, frontal, subventral and ventral views, respectively. – Scale bars: G 0.1 mm; D–F, H 0.05 mm; A–C 0.02 mm. |
| Figure 41. Carlotretus triramus sp. n., ♂ paratype (CHIgx10-07), right gonopod, mesal view. – Scale bar: 0.1 mm. |
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