Longest gill rakers on lower part of gill arch equal to or longer than corresponding gill
filaments; second supramaxilla paddle-shaped . . . . . . . . . . . .Anodontostoma thailandiae
11b. Longest gill rakers on lower part of gill arch shorter than corresponding gill filaments;
second supramaxilla a mere splint (Fig. 25). . . . . . . . . . . . . . . . . . . . . . . . . . . 12
12a. Posterior margins of scales denticulated; teeth more or less as wide as gaps between
them; lower gill rakers 54 to 96 (Fig. 26a) . . . . . . . . . . . . . . . .Anodontostoma chacunda
12b. Posterior margins of scales denticulated; teeth much wider than gaps between them;
lower gill rakers numerous (100 to 166) (Fig. 26b)