Similiyanornis

{{Short description|Extinct genus of dinosaurs}}

{{one source|date=August 2021}}

{{Speciesbox

| fossil_range = Early Cretaceous, Aptian

| image =

| image_caption =

| parent_authority = Wang et al., 2020

| display_parents = 3

| genus = Similiyanornis

| species = brevipectus

| authority = Wang et al., 2020

}}

Similiyanornis (meaning "similar to Yanornis") is an extinct genus of ornithuromorph dinosaurs from the Early Cretaceous Jiufotang Formation of China. The genus contains a single species, Similiyanornis brevipectus, known from a complete skeleton with feathers.{{cite journal |author1=Min Wang |author2=Zhiheng Li |author3=Qingguo Liu |author4=Zhonghe Zhou |year=2020 |title=Two new Early Cretaceous ornithuromorph birds provide insights into the taxonomy and divergence of Yanornithidae (Aves: Ornithothoraces) |journal=Journal of Systematic Palaeontology |volume=18 |issue=21 |pages=1805–1827 |doi=10.1080/14772019.2020.1836050 }}