Fig. 53 in Morphology, Phylogenetic Taxonomy, And Systematics Of Ichthyornis And Apatornis (Avialae: Ornithurae)

Fig. 53. The right radius of Ichthyornis dispar. (A, B, D) the radius incorporated into the ''Ichthyornis victor'' panel mount (YPM 1741; A, D: posteroventral view, B: posterior view); (C) the Ichthyornis dispar holotype (YPM 1450) in posteroventral view. In B, evenly spaced (folicular?) impressions along the posterior edge of the element are indicated with arrows.