Psittacosaurus houi, a longer snouted psittacosaurid from the Lower Cretaceous Lujiatun Unit of Yixian Formation, China, with the synonymy of the unresolved genus Hongshanosaurus revisited

Citation

Ishikawa, A.; Zheng, W.; Imai, T.; Hattori, S.; Shibata, M.; Kawabe, S.; Jin, X. (2025). Psittacosaurus houi, a longer snouted psittacosaurid from the Lower Cretaceous Lujiatun Unit of Yixian Formation, China, with the synonymy of the unresolved genus Hongshanosaurus revisited. PeerJ 13: e19547. PeerJ. doi:10.7717/peerj.19547

Cited by genera

• Psittacosaurus

  Treats P. houi as a valid species of Psittacosaurus on a new skull, ZMNH M12414, and keeps P. major apart from P. lujiatunensis in its tree.