Species: sinousaorum CZERKAS & JI, 2002
Etymology: In reference to China and the United States of America and Latin,
-oroum; for representing a multiple number of people, to signify the cooperation
between the people of both nations.
Holotype: CAGS-2-IG-gausa-3/DM 609
Locality: Shangheshou, Chaoyang City, Chaoyang County, Liaoning Province, China.
Horizon: Horizon IV, Upper Jiufotang Formation, Upper Jehol Group.
Biostratigraphy: Pistacosaurus fauna, Cathayornis-Chaoyanga Avifauna.
Age: Barremian Stage, Lower Gallic Subepoch, Lower Early Cretaceous Epoch, Early Cretaceous.
Material: Skull and fragmentary skeleton.
Note: Cryptovolans on the same slab.