Eocathayornis is a genus of enantiornithine birds that was probably more primitive than related genera Sinornis and Cathayornis. These birds lived during the Early Cretaceous in today's People's Republic of China.
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0