Fig. 50 in Phylogenetic relationships of the South American Doradoidea (Ostariophysi: Siluriformes)

Fig. 50. First branchial arch in lateral view of (a) Ageneiosus inermis, MZUSP 101653, 202 mm SL; (b) Tocantinsia piresi, MZUSP 100031, 430 mm SL; (c) Trachycorystes trachycorystes, MZUSP 7381, 136.8 mm SL; (d) Auchenipterus nuchalis, MZUSP 101618, 152.9 mm SL. GF gill filaments, RA gill-rakers.