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Hesperornis sp.

genus Hesperornis Marsh, 1872

• Extinct species: Santonian - Maastrichtian, Late Cretaceous (84.9 - 66.0 Ma)

• Classification
• kingdom Animalia, phylum Chordata, subphylum Vertebrata, class Aves, subclass Ornithurae, order Hesperornithiformes, family Hesperornithidae

• Distribution
• Cretaceous: Hokkaido