Huadanosaurus is an extinct genus of compsognathid-like theropod dinosaurs from the Early Cretaceous Yixian Formation of China. The genus contains a single species, H. sinensis, known from a nearly complete skeleton preserving feather-like structures.
Huadanosaurus is an extinct genus of compsognathid-like theropod dinosaurs from the Early Cretaceous Yixian Formation of China. The genus contains a single species, H. sinensis, known from a nearly complete skeleton preserving feather-like structures.
== Discovery and naming == The Huadanosaurus holotype specimen, IVPP V14202, was discovered in outcrops of the Yixian Formation (Dawangzhangzi bed) in Lingyuan of Liaoning Province, China. The specimen consists of a nearly complete skeleton preserved on a slab, missing the feet and the end of the tail. Filamentous integument is preserved around the tail. Prior to its description, the specimen was attributed to the related genus Sinosauropteryx.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).