Fig. 59 in Phylogenetic relationships of the South American Doradoidea (Ostariophysi: Siluriformes)

Fig. 59. Dorsal-fin base in dorsolateral view of (a) Ageneiosus atronasus, MZUSP 52620, 80.1 mm SL; (b) Trachelyopterus striatulus, MZUSP 90742, 154 mm SL. Arrows indicate inclinatores dorsales muscles. Scale bars equal 5 mm.