FIGURE 3 in A new long-snouted Corydoras (Siluriformes: Callichthyidae) from the rio Xingu and rio Tapajós basins, Brazilian Amazon

FIGURE 3 | Head osteological pattern in a c&s paratype of Corydoras caramater (LIA 1073, 41.6 mm SL), showing general morphology in lateral view. Abbreviations: f: frontal, fdbp: first dorsolateral body plate, io1–2: infraorbital 1 and 2, iop: interopercle, n: nasal, op: opercle, pes: pteroticextrascapular, pop: preopercle, prh: posterodorsal ridge of hyomandibula, pso: parieto-supraoccipital, sph: sphenotic. Additional pore of the temporal sensory canal at sphenotic outlined in yellow. Scale bar = 1 mm.