The interrelationship of these clades within the larger clade Azhdarchoidea remained disputed, and the clade containing Thalassodromeus and Tupuxuara had received different names from different researchers (Thalassodrominae and Tupuxuaridae).
The interconnection between these clades within the broader clade Azhdarchoidea was uncertain, and the grouping of Thalassodromeus and Tupuxuara had been referred to with different names by various researchers (Thalassodrominae and Tupuxuaridae).