Changmaornis is an extinct genus of basal ornithuromorph dinosaur known from the Early Cretaceous Xiagou Formation of Changma Basin, Gansu Province of northwestern China. Changmaornis was first named by Ya-Ming Wang, Jingmai K. O'Connor, Da-Qing Li and Hai-Lu You in 2013 and the type species is Changmaornis houi.[1]

Temporal range: Early Cretaceous
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Clade: Saurischia
Clade: Theropoda
Clade: Ornithuromorpha
Genus: Changmaornis
Wang et al., 2013
Type species
Changmaornis houi
Wang et al., 2013


  1. ^ Wang, Y. M.; O'Connor, J. K.; Li, D. Q.; You, H. L. (2013). Farke, Andrew A (ed.). "Previously Unrecognized Ornithuromorph Bird Diversity in the Early Cretaceous Changma Basin, Gansu Province, Northwestern China". PLoS ONE. 8 (10): e77693. doi:10.1371/journal.pone.0077693. PMC 3795672. PMID 24147058.