Longicrusavis (meaning "long shin bird" in Latin) is an extinct genus of basal ornithuromorph bird within the family Hongshanornithidae. Remains have been found from the Lower Cretaceous Yixian Formation in Liaoning Province, 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