Figure 11 in Electric fishes of the genus Sternarchorhynchus (Teleostei, Ostariophysi, Gymnotiformes); phylogenetic and revisionary studies

Figure 11. Anterior portion of quadrate and associated structures of A, Sternarchorhynchus mormyrus, USNM 306843 (note: small bony process at base of pterygocranial ligament is part of endopterygoid), and B, Sternarchorhynchus retzeri, FMNH 11515; showing differing contributions of bones to attachment areas for pterygocranial ligament; process of endopterygoid shown in (A) is hidden by process of quadrate in (B); right side, medial view, anterior to left.