Classification of the species Ichthyornis dispar

Ichthyornis dispar Marsh 1872
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Invalid names: Colonosaurus mudgei Marsh 1872 [objective synonym], Ichthyornis agilis Marsh 1873 [synonym], Ichthyornis anceps Marsh 1872 [synonym], Ichthyornis antecessor Wetmore 1962 [synonym], Ichthyornis validus Marsh 1880 [synonym], Ichthyornis victor Marsh 1876 [synonym]