FIGURE 4 in Description of a new species of Tatia from rio Tocantins drainage, central Brazil, with notes on Tatia simplex Mees, 1974 (Siluriformes, Auchenipteridae)

FIGURE 4 | Right hyoid arch of Tatia akroa, MZUSP 44071, 26.0 mm SL. Ventral view. Abbreviations: ach, anterior ceratohyal; bra, branchiostegal rays; dhy, dorsal hypohyal; ihy, interhyal; pch, posterior ceratohyal; vhy, ventral hypohyal; uhy, urohyal. Scale bar = 1 mm.