Genus: Otogopterus JI & ZHANG, 2020
Etymology: In reference to Otog Banner, Ordos Region, Inner Mongolia and Greek, pterus, "wing."

Species: haoae JI & ZHANG, 2020
Etymology: In honor of Prof. Hao Yichun, who made outstanding contributions on the Mesozoic Paleontology and Stratigraphy in China.

Holotype: IG V14-001

Locality: Otog Banner, Ordos Region, Inner Mongolia

Horizon: Psittacosaurus fauna.

Biostratigraphy:

Age: Early Cretaceous.

Material: Partial mandibular symphysis.