Figure 6 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 6. Cross-sections of subadult Ancistrus cf. triradiatus. Only the right half of each section is shown. A, at lower jaw; B, at hyoid bar (33.5-mm SL) (black indicates bone, dark grey indicates cartilage, light grey indicates muscle, stippled areas indicate nerves). Scale bar = 1 mm.