Figure 4 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 4. Three-dimensional reconstruction of the head of an 8.0-mm SL Ancistrus cf. triradiatus free-living embryo. Only the skeleton and the jaw and maxillary barbel musculature are shown, as well as the principal nerve branches in the jaw region (the buccal branches have been omitted). A, dorsal view (left half of neurocranium removed); B, ventral view (left suspensorium, hyoid and mandibular arch removed); C, lateral view. Scale bar = 0.5 mm.