Figure 29 in Osteology of the South Asian Genus Psilorhynchus McClelland, 1839 (Teleostei: Ostariophysi: Psilorhynchidae), with investigation of its phylogenetic relationships within the order Cypriniformes

Figure 29. Hyopalatine arch and opercular series of selected cobitoid fishes, right side in lateral (i) and medial (ii) view in A–C, and dorsal (i) and ventral (ii) in D. Anterior to left. A, Barbatula barbatula, AMNH 37608, 77.9-mm standard length (SL). B, Lefua costata, UAIC 14183.18, 44.2-mm SL. C, Annamia normani, BMNH uncat., 63.5-mm SL. D, Gastromyzon cranbrooki, UAIC 14288.01, 34.6-mm SL. Cartilage highlighted in grey. Abbreviations: Ana, anguloarticular; Apa, autopalatine; Cm, coronomeckelian; De, dentary; Ecpt, ectopterygoid; Enpt, endopterygoid; Hy, hyomandibular; Iop, interopercle; MC, Meckel's cartilage; Mpt, metapterygoid; Mx, maxilla; Op, opercle; PA, preautopalatine; PE2, second preethmoid; Pmx, premaxilla; Pop, preopercle; Q, quadrate; Ra, retroarticular; SCO, sensory canal ossification; Sop, subopercle; Spop, suprapreopercle; Sy, symplectic.