Figure 7 in Ontogeny of the jaw and maxillary barbel musculature in the armoured catfish families Loricariidae and Callichthyidae (Loricarioidea, Siluriformes), with a discussion on muscle homologies

Figure 7. Cross-sections of larval Corydoras aeneus. Only the right half of each section is shown. A, anterior to lower jaw; B, at lower jaw (A, B: 4.9-mm SL); C, at lower jaw; D, posterior to lower jaw (C, D: 9.3-mm SL) (black indicates bone, dark grey indicates cartilage, light grey indicates muscle, stippled areas indicate nerves). Scale bar = 0.2 mm.