FIGURE 3 in Chinchaysuyoa, a new genus of the fish family Ariidae (Siluriformes), with a redescription of Chinchaysuyoa labiata from Ecuador and a new species description from Peru

FIGURE 3. Derived conditions in Chinchaysuyoa. (A) posterior process of exoccipital; (B) Anterior portion of interopercle; (C) Uncinate process of third epibranchial; (D) Posterior process of cleithrum; (E) Swimbladder. Abbreviations: ac, anterior chamber; ap, anterior portion; Bs, Basioccipital; Ex, Exoccipital; Mr, Müllerian ramus; pc, posterior chamber; pp, posterior process; up, uncinate process.