Genus: Sinopterus WANG & ZHOU, 2003
Etymology: Latin, Sinae, " China" and Greek, pterus, "wing."
Species: dongi WANG & ZHOU, 2003
Etymology: In honor of Dong Zhi-Ming.
Holotype: IVPP V13363
Locality: Lamagou, Dongdadao, Chaoyang, Liaoning Province, China.
Horizon: Horizon IV, Jiufotang Formation, Upper Jehol Group.
Biostratigraphy: Psittacosaurus fauna, Cathayornis-Chaoyanga Avifauna.
Age: Barremian Stage, Lower Gallic Subepoch, Lower Early Cretaceous Epoch, Early Cretaceous.
Material: Skull and nearly complete skeleton.
Referred material:
= Sinopterus gui LI, LU, & ZHANG, 2003
Etymology: In honor of vertebrate paleontologist of Lanzhou University, Professor Gu Zugang.Holotype: BPV-077
Locality: Chaoyang City, Liaoning Province, China.
Horizon: Horizon IV, Jiufotang Formation, Upper Jehol Group.
Biostratigraphy: Psittacosaurus fauna, Cathayornis-Chaoyanga Avifauna.
Age: Barremian Stage, Lower Gallic Subepoch, Lower Early Cretaceous Epoch, Early Cretaceous.
Material: Skull and nearly complete skeleton.
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Species:
lingyuanensis LÜ, TENG, SUN, SHEN, LI, GAO, & LIU, 2016
Age: Aptian Stage, Middle Gallic Subepoch, Upper Early Cretaceous Epoch, Early
Cretaceous.