FIGURE 2. Dentary and lower dentition of Masiakasaurus knopfleri.
From the following article:
A bizarre predatory dinosaur from the Late Cretaceous of Madagascar
Scott D. Sampson, Matthew T. Carrano and Catherine A. Forster
Nature 409, 504-506(25 January 2001)
doi:10.1038/35054046

a, Holotype dentary (UA 8680) in right lateral view. The tooth in position four has been displaced caudally post mortem. b–d, Scanning electron microscope photographs of isolated dentary teeth (FMNH uncatalogued). b, Anterior tooth, position 2–4 in lingual view. c, Anterior tooth, position 1–3, in lingual view. d, Anterior tooth, position 1–3, in lateral view. e, Reconstructed dentary with full complement of teeth in right lateral view. f, Reconstructed dentary in dorsal view, showing relative sizes and orientations of alveoli. c, carina; emf, external mandibular fenestra; lg, longitudinal groove; s, serration. Tooth positions are numbered sequentially from cranial to caudal positions. Scale bars, 10 mm (a, e–f); 5 mm (b–d).
