Fig. 42 in Phylogenetic relationships of the South American Doradoidea (Ostariophysi: Siluriformes)

Fig. 42. Head and anterior portion of body in lateral view of mature males of (a) Ageneiosus ucayalensis, MZUSP104791, 171 mm SL (snout in detail, showing maxilla with spines); (b) Auchenipterus osteomystax, MZUSP 103352, 133 mm SL. Both collected at rio Jari, Monte Dourado, Pará, photographed live.