Fig. 52 in Phylogenetic relationships of the South American Doradoidea (Ostariophysi: Siluriformes)

Fig. 52. Branchial arches of cleared and stained specimens in ventral view of (a) Doras phlyzakion, MZUSP 50836, 67.5 mm SL; (b) Trachydoras microstomus, MZUSP 57703, 76.6 mm SL. Arrows indicate posterior process of fourth basibranchial.