Fig. 42 in Morphology, Phylogenetic Taxonomy, And Systematics Of Ichthyornis And Apatornis (Avialae: Ornithurae)

Fig. 42. The sacrum and pelvic bones of Ichthyornis dispar (YPM 1732) in dorsal view (A) as included in the ''Ichthyornis victor'' panel mount and (B) removed from the mount; in ventral view (C) as depicted in Marsh (1880) and (D) after their removal from the mount and further preparation. In ''A'' the thoracic and caudal vertebrae as well as the femur also belong to specimen YPM 1732.