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. 2020 Feb 5;236(5):772–797. doi: 10.1111/joa.13153

Figure 10.

Figure 10

Comparisons between pedal phalanges II‐2 of unenlagiines, Bambiraptor, and the eudromaeosaur Deinonychus, in dorsal view. The red dotted line indicates the posterior limit of the collateral ligament pit and the yellow dotted line indicates the posterior limit of the distal articular facet. (a) Buitreraptor gonzalezorum (MPCA 238). (b) Neuquenraptor argentinus (MCF PVPH 77). (c) Unenlagia paynemili (MUCPv 1066). (d) Articulated phalanges II‐1, II‐2 and II‐3 of Buitreraptor gonzalezorum (MPCA 478) (the ungual phalanx is totally extended, so that the proximal extent of the articular surface is shown). (e) Bambiraptor feinbergorum (AMNH FR 30556). (f) Deinonychus antirrhopus (YPM 5205). Scale bars = 1 cm. (f) is courtesy of the Division of Vertebrate Paleontology; YPM VP.005205, Peabody Museum of Natural History, Yale University, New Haven, Connecticut, USA; https://peabody.yale.edu; photography by Federico A. Gianechini