Fig. 49 in The Early Evolution Of Archosaurs: Relationships And The Origin Of Major Clades

Fig. 49. Pedal unguals of archosauriforms: A, Effigia okeeffeae (AMNH FR 30587) in dorsal (left) and lateral (right) views; B, Pseudopalatus (UCMP 34239) in dorsolateral (left) and dorsal (right) views; C, Allosaurus fragilis (AMNH FR 324) in dorsal (left) and lateral (right) views. Arrow indicates anterior direction. Numbers refer to character states. See appendix for anatomical abbreviations. Scale bars 5 1 cm.