Hesperornithinae
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Familia: †Hesperornithidae
Subfamilia : Hesperornithinae
Genera: Canadaga – Coniornis – Hesperornis – Parahesperornis
Name edit
Hesperornithinae Marsh, 1872
Familia: †Hesperornithidae
Subfamilia : Hesperornithinae
Genera: Canadaga – Coniornis – Hesperornis – Parahesperornis
Hesperornithinae Marsh, 1872