Browsing by Subject "Upper cretaceous"
Now showing items 1-2 of 2
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(Elsevier, 2019)Aristonectines show a highly derived morphology among elasmosaurid plesiosaurs, including some species with large body size. A new postcranial skeleton is described from the uppermost Maastrichtian levels of the L opez ...
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(Academic Press, 2014)A postcranial specimen from the lower Maastrichtian levels of the Conway Formation, Middle Waipara River, North Canterbury, New Zealand shows clear elasmosaurid affinities, based on the articular faces, with a ventral ...