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2 Specimen Results
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Genus:
Hesperornis
Individual/Organization:
Bonner, M.C.
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Phylum
Chordata (2)
Order
Hesperornithiformes (2)
Class
Aves (2)
Family
Hesperornithidae (2)
Individual/Organization
Walker, M.V. (2)
Period
Cretaceous (2)
Epoch
Upper (2)
Age
Santonian (2)
Formation
Niobrara (2)
Member
Smoky Hill (2)