FIGURE 12. Premaxilla-nasal joint in specimen DGPC1. 1. anterior tip of the left nasal in anteromedial view. 2. dorsal, 3. ventral, 4. posterodorsal, 5. posterior view, 6. the left premaxilla and nasal in articulation in posteroventral view from DGPC1, 7. The anterior tip of the left nasal in posteroventral view without the premaxilla (DGPC1). Scale bar equals 5 mm.