Fig. 3 in Revision of Tympanopleura Eigenmann (Siluriformes: Auchenipteridae) with description of two new species

Fig. 3. Neurocranium of Tympanopleura atronasus in dorsal view, UF 185769 (91.0 mm SL). Abbreviations: epo, epioccipital; epo-p, posterior process of epioccipital. fro, frontal; io, infraorbital; let, lateral ethmoid; mes, mesethmoid; mnp, median nuchal plate; nas, nasal; pal, autopalatine; pma, premaxilla; pnp, posterior nuchal plate; pto, pterotic; scl, posttemporal-supracleithrum; soc, supraoccipital; sph, sphenotic. Scale bar = 5 mm.