Figure 41 in Comparative osteology and phylogenetic systematics of fossil and living bony-tongue fishes (Actinopterygii, Teleostei, Osteoglossomorpha)

Figure 41. Semi-schematic illustrations of right opercles in medial view (except C, which is left opercle in lateral view). A, Elops (UMA F10255; 425 mm SL). B, Hiodon (UMA F10177; 267 mm SL). C, †Lycoptera (Modified from Jin et al., 1995: fig. 6). D, Arapaima (UMA F11263; est. 1270 mm SL). E, Pantodon (UMA F11264; 70 mm SL). F, Xenomystus (FMNH 69494; approx. 90 mm SL). G, Scleropages (UMA F11266, approx. 320 mm SL). H, Osteoglossum (UMA F10160, 365 mm SL). I, Gnathonemus (UMA F11267, approx. 140 mm SL). Anterior facing left.