Ontogeny of the hyopalatine arch, jaws, and opercular series of Candidia barbata (MTD-F 40159, cleared and double stained). A 8.0 mm SL. B 12.3 mm SL. C 24.7 mm SL. D 79.3 mm SL. Abbreviations: An, angulo-articular; Apa, autopalatine; CM, coronomeckelian; De, dentary; Ecpt, ectopterygoid; Enpt, endopterygoid; Hy, hyomandibular; Hy-SyC, hyo-symplectic cartilage; K, kinethmoid; Iop, interopercle; MC, Meckel’s cartilage; Met, metapterygoid; Mx, maxilla; Op, opercle; PAp, pars autopalatina; PMet, pars metapterygoidea; Pmx, premaxilla; Pop, preopercle; PQ, pars quadrata; Q, quadrate; Ra, retroarticular; Sop, subopercle; Sy, symplectic.