Fig. 39 in The Early Evolution Of Archosaurs: Relationships And The Origin Of Major Clades

Fig. 39. Avian-line archosaur femora: A, left femur of Dromomeron romeri (GR 218) in proximal (top), posteromedial (middle left), anterolateral (middle right), and distal (bottom) views; B, left femur of the Tawa hallae (GR 244) in proximal (top), medial (middle left), lateral (middle right), and distal (bottom) views; C, left femur of Silesaurus opolensis (ZPAL Ab III 460/1) in proximal (top), posteromedial (middle), and distal (bottom) views; D, proximal portion of the right femur of Dimorphodon macronyx (YPM 9182) in medial view. Arrow indicates anterior direction. Numbers refer to character states. See appendix for anatomical abbreviations. Scale bars 5 1 cm.