Figure 9 in Ontogeny and homology of the neural complex of otophysan Ostariophysi

Figure 9. Developmental stages of the anterior five neural arches and associated structures in different Siluriformes. A, Diplomystes chilensis, 60 mm. B–G, Silurus glanis. B, 11.6 mm. C, 12.4 mm. D, 13.4 mm. E, 15.4 mm. F, same as in part E, in dorsal view, arrow points to incisure resulting from incomplete median fusion of supradorsals 4. G, 16.6 mm. H–J, Ancistrus sp. H, 6.3 mm. I, 6.5 mm. J, 7.5 mm.