Gretcheniao is an extinct genus of enantiornithean that lived during the Early Cretaceous epoch.
Gretcheniao is an extinct genus of enantiornithean that lived during the Early Cretaceous epoch.
== Distribution == Gretcheniao sinensis is known from the Yixian Formation of Liaoning.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).