FIGURE 2 in A new species of Mastiglanis Bockmann 1994 (Siluriformes: Heptapteridae) from the Amazon River basin, Peru

FIGURE 2. Dorsal view of cranium of Mastiglanis yaguas, paratype, MUSM 61686, 42.7 mm SL. Abbreviations: af = anterior fontanel; ap = autopalatine; ep = epioccipital; ex = exoccipital; fr = frontal; le = lateral ethmoid; mx = maxilla; na = nasal; pf = posterior fontanel; pm = premaxilla; pt = pterotic; soc = supraoccipital; sp = sphenotic; tp4a = anterior branch of transverse process of vertebra 4; tp4b = posterior branch of transverse process of vertebra 4; tp5 = transverse process of vertebra 5. Arrow = symphysial region of premaxilla.