(2022) to analyze the relationships of saurolophines and hadrosaurids. They proposed the name Austrokritosauria for the clade of entirely South American saurolophines closely related to kritosaurins.
In (2022), researchers examined the relationships between saurolophines and hadrosaurids. They proposed the term Austrokritosauria to describe a clade of exclusively South American saurolophines that are closely linked to kritosaurins.