Wiktionary
enantiornithine
a. Characteristic of these creatures n. (context biology English) Any of an extinct group of protobirds of the subclass Enantiornithes
Usage examples of "enantiornithine".
Cretaceous, birds like the curlew might have been able to go on eating shoreline animals while the dominant enantiornithine birds died along with the dinosaurs.