Liaoxisaurus is a genus of simodeosaurid choristodere, a type of crocodile-like aquatic reptile. It is known from a partial specimen found in Aptian-age Lower Cretaceous rocks of the Jiufotang Formation, Chaoyang, Liaoning, China. Liaoxisaurus was named in 2005 by Gao Chunling and colleagues. The type species is L. chaoyangensis.
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