Left gonocoxa (except where noted), ventral view, for Tropopterus spp. Specimen information is parallel to that in Figure 7A–F. For abbreviations used to label structures see Table 1. A. T. montagnei. B. T. giraudyi. C. T. robustus. D. T. canaliculus. E. T. duponchelii. F. T. minimucro (right gonocoxa).