The Late Cretaceous Avisaurus was almost as large as Enantiornis. It had a wingspan around , a length of , hip height of , and weight of . Even larger could be the Soroavisaurus. One tibiotarsus (PVL-4033) indicates an animal with a length of , hip height of , and weight of . Mirarce was comparable in size to a turkey, much larger than most of other enantiornitheans.
