FIGURE 6 in Lanlabeo duanensis, a new genus and species of labeonin fish (Teleostei: Cyprinidae) from southern China

FIGURE 6. Ventral view of oromandibular structures in: (A) Rectoris posehensis, SWU20180508073, 133.07 mm SL, collected from Hongshuihe River, Pearl River drainage basin in Du'an County, Guangxi Province, China; (B) Ptychidio jordani, SWU20180508071, 93.97 mm SL, collected from Hongshuihe River, Pearl River drainage basin in Du'an County, Guangxi Province; (C) Hongshuia megalophthalmus, SWU20161110012, 48.14 mm SL, collected from Hongshuihe River, Pearl River drainage basin in Tian'e County, Guangxi Province. rc = rostral cap; rb = rostral barbel; mb = maxillary barbel; uj = upper jaw; ll = low lip; lll = lateral lobe of lower lip; fp = fleshy pad of median lobe of lower lip.