Figure 33. Character 67 in Morphology-based phylogenetic analysis and classification of the family Rhinocryptidae (Aves: Passeriformes)

Figure 33. Character 67 and its postulated states. Processus vocalis, cranial portion, orientation: A, same as the main axis – 67.0; B, ventrally oriented – 67.1; C, ventrad and then craniad – 67.2. Stippled areas are cartilaginous tissue, non-stippled areas are calcified structures. A1/B1 elements are indicated. Syringes of (A) Acropternis orthonyx (QCAZ 3723), (B) Pteroptochos castaneus (AMNH 11694), and (C) Eleoscytalopus indigoticus (MCP 2332) in lateral view. Scale bars = 2 mm.