Among these, it belonged to the Hesperornithidae, along with " Hesperornis ", the well-known namesake genus.
2.
Its precise relationships are not all too clear; the quadrate bone is unique in some respects but apparently shares more apomorphies with the family Hesperornithidae-the " typical " Hesperornithes-in cladistic analysis.
3.
Its exact relationships are not completely resolved, but it probably belongs into the Hesperornithidae just like " Hesperornis ", well-known from the Western Interior Seaway that covered most of the US Midwest in the Mesozoic.
मोबाइल