Figure 6. X in Untangling the threads: phylogenetic relationships of threadfins (Percomorphacea: Perciformes: Polynemidae)

Figure 6. X-Ray microcomputed tomography images of head in lateral view. A, Polydactylus octonemus, Polynemidae. B, Eleutheronema tetradactylum, Polynemidae. Abbreviations: Ana, angulo-articular; Asph, autosphenotic; Bp, basipterygium; Bsph, basisphenoid; Cl, cleithrum; Dt, dentary; Epoc, epioccipital; F, pectoral filament; Fr, frontal; Hy, hyomandibular; Iop, interopercle; LEth, lateral ethmoid; Mx, maxilla; Na, nasal; Op, opercle; Pa, parietal; Pcl, postcleithrum; Pop, preopercle; Pmx, premaxilla; Psư, posưemporal; Pto, pterotic; Ptsph, pterosphenoid; ºd, quadrate; R, pectoral-fin rays; Ra, retroarticular; Scl, supracleithrum; Sn, supraneural; Socc, supraoccipital; Sop, subopercle. Scale bars: 4 mm.