FIGURE 9 in Revision of the South American genus Tetragonopterus Cuvier, 1816 (Teleostei: Characidae) with description of four new species

FIGURE 9. Lateral view of the maxilla and premaxilla: a) Tetragonopterus akamai, UNT 2788, paratype, 54.4 mm SL, Rio Tocantins; b) T. anostomus, MZUSP 52120, non-type, 44.2 mm SL, Rio Tocantins; c) T. anostomus, LBP 7687, paratype, 32.5 mm SL, Rio Araguaia. Scale bar = 10 mm.